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Add initial support for STM32F4

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This commit is contained in:
Stephen Caudle 2011-10-31 00:24:47 -04:00
parent 05bc9d10f1
commit 5a89d44591
23 changed files with 3217 additions and 1 deletions
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2
Makefile
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@ -25,7 +25,7 @@ LIBDIR = $(DESTDIR)/$(PREFIX)/lib
SHAREDIR = $(DESTDIR)/$(PREFIX)/share/libopencm3/scripts SHAREDIR = $(DESTDIR)/$(PREFIX)/share/libopencm3/scripts
INSTALL = install INSTALL = install
TARGETS = stm32/f1 stm32/f2 lpc13xx lm3s TARGETS = stm32/f1 stm32/f2 stm32/f4 lpc13xx lm3s
# Be silent per default, but 'make V=1' will show all compiler calls. # Be silent per default, but 'make V=1' will show all compiler calls.
ifneq ($(V),1) ifneq ($(V),1)

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include/libopencm3/stm32/f4/flash.h Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
* Copyright (C) 2010 Mark Butler <mbutler@physics.otago.ac.nz>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* For details see:
* PM0042 Programming manual: STM32F10xxx Flash programming
* October 2009, Doc ID 13259 Rev 7
* http://www.st.com/stonline/products/literature/pm/13259.pdf
*/
#ifndef LIBOPENCM3_FLASH_H
#define LIBOPENCM3_FLASH_H
#include <libopencm3/stm32/memorymap.h>
#include <libopencm3/cm3/common.h>
/* --- FLASH registers ----------------------------------------------------- */
#define FLASH_ACR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x00)
#define FLASH_KEYR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x04)
#define FLASH_OPTKEYR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x08)
#define FLASH_SR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x0C)
#define FLASH_CR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x10)
#define FLASH_OPTCR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x14)
/* --- FLASH_ACR values ---------------------------------------------------- */
#define FLASH_DCRST (1 << 12)
#define FLASH_ICRST (1 << 11)
#define FLASH_DCE (1 << 10)
#define FLASH_ICE (1 << 9)
#define FLASH_PRFTEN (1 << 8)
#define FLASH_LATENCY_0WS 0x00
#define FLASH_LATENCY_1WS 0x01
#define FLASH_LATENCY_2WS 0x02
#define FLASH_LATENCY_3WS 0x03
#define FLASH_LATENCY_4WS 0x04
#define FLASH_LATENCY_5WS 0x05
#define FLASH_LATENCY_6WS 0x06
#define FLASH_LATENCY_7WS 0x07
/* --- FLASH_SR values ----------------------------------------------------- */
#define FLASH_BSY (1 << 16)
#define FLASH_PGSERR (1 << 7)
#define FLASH_PGPERR (1 << 6)
#define FLASH_PGAERR (1 << 5)
#define FLASH_WRPERR (1 << 4)
#define FLASH_OPERR (1 << 1)
#define FLASH_EOP (1 << 0)
/* --- FLASH_CR values ----------------------------------------------------- */
#define FLASH_LOCK (1 << 31)
#define FLASH_ERRIE (1 << 25)
#define FLASH_EOPIE (1 << 24)
#define FLASH_STRT (1 << 16)
#define FLASH_MER (1 << 2)
#define FLASH_SER (1 << 1)
#define FLASH_PG (1 << 0)
#define FLASH_SECTOR_0 (0x00 << 3)
#define FLASH_SECTOR_1 (0x01 << 3)
#define FLASH_SECTOR_2 (0x02 << 3)
#define FLASH_SECTOR_3 (0x03 << 3)
#define FLASH_SECTOR_4 (0x04 << 3)
#define FLASH_SECTOR_5 (0x05 << 3)
#define FLASH_SECTOR_6 (0x06 << 3)
#define FLASH_SECTOR_7 (0x07 << 3)
#define FLASH_SECTOR_8 (0x08 << 3)
#define FLASH_SECTOR_9 (0x09 << 3)
#define FLASH_SECTOR_10 (0x0a << 3)
#define FLASH_SECTOR_11 (0x0b << 3)
#define FLASH_PROGRAM_X8 (0x00 << 8)
#define FLASH_PROGRAM_X16 (0x01 << 8)
#define FLASH_PROGRAM_X32 (0x02 << 8)
#define FLASH_PROGRAM_X64 (0x03 << 8)
/* --- FLASH_OPTCR values -------------------------------------------------- */
/* FLASH_OPTCR[27:16]: nWRP */
/* FLASH_OBR[15:8]: RDP */
#define FLASH_NRST_STDBY (1 << 7)
#define FLASH_NRST_STOP (1 << 6)
#define FLASH_WDG_SW (1 << 5)
#define FLASH_OPTSTRT (1 << 1)
#define FLASH_OPTLOCK (1 << 0)
#define FLASH_BOR_LEVEL_3 (0x00 << 2)
#define FLASH_BOR_LEVEL_2 (0x01 << 2)
#define FLASH_BOR_LEVEL_1 (0x02 << 2)
#define FLASH_BOR_OFF (0x03 << 2)
/* --- FLASH Keys -----------------------------------------------------------*/
#define FLASH_KEY1 ((u32)0x45670123)
#define FLASH_KEY2 ((u32)0xcdef89ab)
#define FLASH_OPTKEY1 ((u32)0x08192a3b)
#define FLASH_OPTKEY2 ((u32)0x4c5d6e7f)
/* --- Function prototypes ------------------------------------------------- */
void flash_dcache_enable(void);
void flash_dcache_disable(void);
void flash_icache_enable(void);
void flash_icache_disable(void);
void flash_prefetch_enable(void);
void flash_prefetch_disable(void);
void flash_dcache_reset(void);
void flash_icache_reset(void);
void flash_set_ws(u32 ws);
void flash_unlock(void);
void flash_lock(void);
void flash_clear_pgserr_flag(void);
void flash_clear_pgperr_flag(void);
void flash_clear_pgaerr_flag(void);
void flash_clear_eop_flag(void);
void flash_clear_wrperr_flag(void);
void flash_clear_bsy_flag(void);
void flash_clear_status_flags(void);
void flash_unlock_option_bytes(void);
void flash_lock_option_bytes(void);
void flash_erase_all_sectors(u32 program_size);
void flash_erase_sector(u32 sector, u32 program_size);
void flash_program_double_word(u32 address, u64 data, u32 program_size);
void flash_program_word(u32 address, u32 data, u32 program_size);
void flash_program_half_word(u32 address, u16 data, u32 program_size);
void flash_program_byte(u32 address, u8 data, u32 program_size);
void flash_wait_for_last_operation(void);
void flash_program_option_bytes(u32 data);
#if 0
// TODO: Implement support for option bytes
void flash_erase_option_bytes(void);
void flash_program_option_bytes(u32 address, u16 data);
#endif
#endif

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include/libopencm3/stm32/f4/gpio.h Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_GPIO_H
#define LIBOPENCM3_GPIO_H
#include <libopencm3/stm32/memorymap.h>
#include <libopencm3/cm3/common.h>
/* --- Convenience macros -------------------------------------------------- */
/* GPIO port base addresses (for convenience) */
#define GPIOA GPIO_PORT_A_BASE
#define GPIOB GPIO_PORT_B_BASE
#define GPIOC GPIO_PORT_C_BASE
#define GPIOD GPIO_PORT_D_BASE
#define GPIOE GPIO_PORT_E_BASE
#define GPIOF GPIO_PORT_F_BASE
#define GPIOG GPIO_PORT_G_BASE
#define GPIOH GPIO_PORT_H_BASE
#define GPIOI GPIO_PORT_I_BASE
/* GPIO number definitions (for convenience) */
#define GPIO0 (1 << 0)
#define GPIO1 (1 << 1)
#define GPIO2 (1 << 2)
#define GPIO3 (1 << 3)
#define GPIO4 (1 << 4)
#define GPIO5 (1 << 5)
#define GPIO6 (1 << 6)
#define GPIO7 (1 << 7)
#define GPIO8 (1 << 8)
#define GPIO9 (1 << 9)
#define GPIO10 (1 << 10)
#define GPIO11 (1 << 11)
#define GPIO12 (1 << 12)
#define GPIO13 (1 << 13)
#define GPIO14 (1 << 14)
#define GPIO15 (1 << 15)
#define GPIO_ALL 0xffff
/* --- GPIO registers ------------------------------------------------------ */
/* Port mode register (GPIOx_MODER) */
#define GPIO_MODER(port) MMIO32(port + 0x00)
#define GPIOA_MODER GPIO_MODER(GPIOA)
#define GPIOB_MODER GPIO_MODER(GPIOB)
#define GPIOC_MODER GPIO_MODER(GPIOC)
#define GPIOD_MODER GPIO_MODER(GPIOD)
#define GPIOE_MODER GPIO_MODER(GPIOE)
#define GPIOF_MODER GPIO_MODER(GPIOF)
#define GPIOG_MODER GPIO_MODER(GPIOG)
#define GPIOH_MODER GPIO_MODER(GPIOH)
#define GPIOI_MODER GPIO_MODER(GPIOI)
/* Port output type register (GPIOx_OTYPER) */
#define GPIO_OTYPER(port) MMIO32(port + 0x04)
#define GPIOA_OTYPER GPIO_OTYPER(GPIOA)
#define GPIOB_OTYPER GPIO_OTYPER(GPIOB)
#define GPIOC_OTYPER GPIO_OTYPER(GPIOC)
#define GPIOD_OTYPER GPIO_OTYPER(GPIOD)
#define GPIOE_OTYPER GPIO_OTYPER(GPIOE)
#define GPIOF_OTYPER GPIO_OTYPER(GPIOF)
#define GPIOG_OTYPER GPIO_OTYPER(GPIOG)
#define GPIOH_OTYPER GPIO_OTYPER(GPIOH)
#define GPIOI_OTYPER GPIO_OTYPER(GPIOI)
/* Port output speed register (GPIOx_OSPEEDR) */
#define GPIO_OSPEEDR(port) MMIO32(port + 0x08)
#define GPIOA_OSPEEDR GPIO_OSPEEDR(GPIOA)
#define GPIOB_OSPEEDR GPIO_OSPEEDR(GPIOB)
#define GPIOC_OSPEEDR GPIO_OSPEEDR(GPIOC)
#define GPIOD_OSPEEDR GPIO_OSPEEDR(GPIOD)
#define GPIOE_OSPEEDR GPIO_OSPEEDR(GPIOE)
#define GPIOF_OSPEEDR GPIO_OSPEEDR(GPIOF)
#define GPIOG_OSPEEDR GPIO_OSPEEDR(GPIOG)
#define GPIOH_OSPEEDR GPIO_OSPEEDR(GPIOH)
#define GPIOI_OSPEEDR GPIO_OSPEEDR(GPIOI)
/* Port pull-up/pull-down register (GPIOx_PUPDR) */
#define GPIO_PUPDR(port) MMIO32(port + 0x0c)
#define GPIOA_PUPDR GPIO_PUPDR(GPIOA)
#define GPIOB_PUPDR GPIO_PUPDR(GPIOB)
#define GPIOC_PUPDR GPIO_PUPDR(GPIOC)
#define GPIOD_PUPDR GPIO_PUPDR(GPIOD)
#define GPIOE_PUPDR GPIO_PUPDR(GPIOE)
#define GPIOF_PUPDR GPIO_PUPDR(GPIOF)
#define GPIOG_PUPDR GPIO_PUPDR(GPIOG)
#define GPIOH_PUPDR GPIO_PUPDR(GPIOH)
#define GPIOI_PUPDR GPIO_PUPDR(GPIOI)
/* Port input data register (GPIOx_IDR) */
#define GPIO_IDR(port) MMIO32(port + 0x10)
#define GPIOA_IDR GPIO_IDR(GPIOA)
#define GPIOB_IDR GPIO_IDR(GPIOB)
#define GPIOC_IDR GPIO_IDR(GPIOC)
#define GPIOD_IDR GPIO_IDR(GPIOD)
#define GPIOE_IDR GPIO_IDR(GPIOE)
#define GPIOF_IDR GPIO_IDR(GPIOF)
#define GPIOG_IDR GPIO_IDR(GPIOG)
#define GPIOH_IDR GPIO_IDR(GPIOH)
#define GPIOI_IDR GPIO_IDR(GPIOI)
/* Port output data register (GPIOx_ODR) */
#define GPIO_ODR(port) MMIO32(port + 0x14)
#define GPIOA_ODR GPIO_ODR(GPIOA)
#define GPIOB_ODR GPIO_ODR(GPIOB)
#define GPIOC_ODR GPIO_ODR(GPIOC)
#define GPIOD_ODR GPIO_ODR(GPIOD)
#define GPIOE_ODR GPIO_ODR(GPIOE)
#define GPIOF_ODR GPIO_ODR(GPIOF)
#define GPIOG_ODR GPIO_ODR(GPIOG)
#define GPIOH_ODR GPIO_ODR(GPIOH)
#define GPIOI_ODR GPIO_ODR(GPIOI)
/* Port bit set/reset register (GPIOx_BSRR) */
#define GPIO_BSRR(port) MMIO32(port + 0x18)
#define GPIOA_BSRR GPIO_BSRR(GPIOA)
#define GPIOB_BSRR GPIO_BSRR(GPIOB)
#define GPIOC_BSRR GPIO_BSRR(GPIOC)
#define GPIOD_BSRR GPIO_BSRR(GPIOD)
#define GPIOE_BSRR GPIO_BSRR(GPIOE)
#define GPIOF_BSRR GPIO_BSRR(GPIOF)
#define GPIOG_BSRR GPIO_BSRR(GPIOG)
#define GPIOH_BSRR GPIO_BSRR(GPIOH)
#define GPIOI_BSRR GPIO_BSRR(GPIOI)
/* Port configuration lock register (GPIOx_LCKR) */
#define GPIO_LCKR(port) MMIO32(port + 0x1c)
#define GPIOA_LCKR GPIO_LCKR(GPIOA)
#define GPIOB_LCKR GPIO_LCKR(GPIOB)
#define GPIOC_LCKR GPIO_LCKR(GPIOC)
#define GPIOD_LCKR GPIO_LCKR(GPIOD)
#define GPIOE_LCKR GPIO_LCKR(GPIOE)
#define GPIOF_LCKR GPIO_LCKR(GPIOF)
#define GPIOG_LCKR GPIO_LCKR(GPIOG)
#define GPIOH_LCKR GPIO_LCKR(GPIOH)
#define GPIOI_LCKR GPIO_LCKR(GPIOI)
/* Alternate function low register (GPIOx_AFRL) */
#define GPIO_AFRL(port) MMIO32(port + 0x20)
#define GPIOA_AFRL GPIO_AFRL(GPIOA)
#define GPIOB_AFRL GPIO_AFRL(GPIOB)
#define GPIOC_AFRL GPIO_AFRL(GPIOC)
#define GPIOD_AFRL GPIO_AFRL(GPIOD)
#define GPIOE_AFRL GPIO_AFRL(GPIOE)
#define GPIOF_AFRL GPIO_AFRL(GPIOF)
#define GPIOG_AFRL GPIO_AFRL(GPIOG)
#define GPIOH_AFRL GPIO_AFRL(GPIOH)
#define GPIOI_AFRL GPIO_AFRL(GPIOI)
/* Alternate function high register (GPIOx_AFRH) */
#define GPIO_AFRH(port) MMIO32(port + 0x24)
#define GPIOA_AFRH GPIO_AFRH(GPIOA)
#define GPIOB_AFRH GPIO_AFRH(GPIOB)
#define GPIOC_AFRH GPIO_AFRH(GPIOC)
#define GPIOD_AFRH GPIO_AFRH(GPIOD)
#define GPIOE_AFRH GPIO_AFRH(GPIOE)
#define GPIOF_AFRH GPIO_AFRH(GPIOF)
#define GPIOG_AFRH GPIO_AFRH(GPIOG)
#define GPIOH_AFRH GPIO_AFRH(GPIOH)
#define GPIOI_AFRH GPIO_AFRH(GPIOI)
/* --- GPIOx_MODER values -------------------------------------------------- */
#define GPIO_MODE(n, mode) (mode << (2*(n)))
#define GPIO_MODE_MASK(n) (0x3 << (2*(n)))
#define GPIO_MODE_INPUT 0x0
#define GPIO_MODE_OUTPUT 0x1
#define GPIO_MODE_AF 0x2
#define GPIO_MODE_ANALOG 0x3
/* --- GPIOx_OTYPER values ------------------------------------------------- */
#define GPIO_OTYPE_PP 0x0
#define GPIO_OTYPE_OD 0x1
/* --- GPIOx_OSPEEDR values ------------------------------------------------ */
#define GPIO_OSPEED(n, speed) (speed << (2*(n)))
#define GPIO_OSPEED_MASK(n) (0x3 << (2*(n)))
#define GPIO_OSPEED_2MHZ 0x0
#define GPIO_OSPEED_25MHZ 0x1
#define GPIO_OSPEED_50MHZ 0x2
#define GPIO_OSPEED_100MHZ 0x3
/* --- GPIOx_PUPDR values -------------------------------------------------- */
#define GPIO_PUPD(n, pupd) (pupd << (2*(n)))
#define GPIO_PUPD_MASK(n) (0x3 << (2*(n)))
#define GPIO_PUPD_NONE 0x0
#define GPIO_PUPD_PULLUP 0x1
#define GPIO_PUPD_PULLDOWN 0x2
/* --- GPIOx_IDR values ---------------------------------------------------- */
/* GPIOx_IDR[15:0]: IDRy[15:0]: Port input data (y = 0..15) */
/* --- GPIOx_ODR values ---------------------------------------------------- */
/* GPIOx_ODR[15:0]: ODRy[15:0]: Port output data (y = 0..15) */
/* --- GPIOx_BSRR values --------------------------------------------------- */
/* GPIOx_BSRR[31:16]: BRy: Port x reset bit y (y = 0..15) */
/* GPIOx_BSRR[15:0]: BSy: Port x set bit y (y = 0..15) */
/* --- GPIOx_LCKR values --------------------------------------------------- */
#define GPIO_LCKK (1 << 16)
/* GPIOx_LCKR[15:0]: LCKy: Port x lock bit y (y = 0..15) */
/* --- GPIOx_AFRL/H values ------------------------------------------------- */
/* Note: AFRL is used for bits 0..7, AFRH is used for 8..15 */
/* See Datasheet Table 6 (pg. 48) for alternate function mappings. */
#define GPIO_AFR(n, af) (af << ((n)*4))
#define GPIO_AFR_MASK(n) (0xf << ((n)*4))
#define GPIO_AF0 0x0
#define GPIO_AF1 0x1
#define GPIO_AF2 0x2
#define GPIO_AF3 0x3
#define GPIO_AF4 0x4
#define GPIO_AF5 0x5
#define GPIO_AF6 0x6
#define GPIO_AF7 0x7
#define GPIO_AF8 0x8
#define GPIO_AF9 0x9
#define GPIO_AF10 0xa
#define GPIO_AF11 0xb
#define GPIO_AF12 0xc
#define GPIO_AF13 0xd
#define GPIO_AF14 0xe
#define GPIO_AF15 0xf
/* Note: EXTI source selection is now in the SYSCFG peripheral. */
/* --- Function prototypes ------------------------------------------------- */
/*
* Note: The F2 series has a completely new GPIO peripheral with different
* configuration options. Here we implement a different API partly to more
* closely match the peripheral capabilities and also to deliberately break
* compatibility with old F1 code so there is no confusion with similar
* sounding functions that have very different functionality.
*/
void gpio_mode_setup(u32 gpioport, u8 mode, u8 pull_up_down, u16 gpios);
void gpio_set_output_options(u32 gpioport, u8 otype, u8 speed, u16 gpios);
void gpio_set_af(u32 gpioport, u8 alt_func_num, u16 gpios);
/* This part of the API is compatible with the F1 series ------------------- */
void gpio_set(u32 gpioport, u16 gpios);
void gpio_clear(u32 gpioport, u16 gpios);
u16 gpio_get(u32 gpioport, u16 gpios);
void gpio_toggle(u32 gpioport, u16 gpios);
u16 gpio_port_read(u32 gpioport);
void gpio_port_write(u32 gpioport, u16 data);
void gpio_port_config_lock(u32 gpioport, u16 gpios);
#endif

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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_MEMORYMAP_H
#define LIBOPENCM3_MEMORYMAP_H
#include <libopencm3/cm3/memorymap.h>
/* --- STM32F20x specific peripheral definitions ------------------------------- */
/* Memory map for all busses */
#define PERIPH_BASE 0x40000000
#define PERIPH_BASE_APB1 (PERIPH_BASE + 0x00000)
#define PERIPH_BASE_APB2 (PERIPH_BASE + 0x10000)
#define PERIPH_BASE_AHB1 (PERIPH_BASE + 0x20000)
#define PERIPH_BASE_AHB2 0x50000000
#define PERIPH_BASE_AHB3 0x60000000
/* Register boundary addresses */
/* APB1 */
#define TIM2_BASE (PERIPH_BASE_APB1 + 0x0000)
#define TIM3_BASE (PERIPH_BASE_APB1 + 0x0400)
#define TIM4_BASE (PERIPH_BASE_APB1 + 0x0800)
#define TIM5_BASE (PERIPH_BASE_APB1 + 0x0c00)
#define TIM6_BASE (PERIPH_BASE_APB1 + 0x1000)
#define TIM7_BASE (PERIPH_BASE_APB1 + 0x1400)
#define TIM12_BASE (PERIPH_BASE_APB1 + 0x1800)
#define TIM13_BASE (PERIPH_BASE_APB1 + 0x1c00)
#define TIM14_BASE (PERIPH_BASE_APB1 + 0x2000)
/* PERIPH_BASE_APB1 + 0x2400 (0x4000 2400 - 0x4000 27FF): Reserved */
#define RTC_BASE (PERIPH_BASE_APB1 + 0x2800)
#define WWDG_BASE (PERIPH_BASE_APB1 + 0x2c00)
#define IWDG_BASE (PERIPH_BASE_APB1 + 0x3000)
/* PERIPH_BASE_APB1 + 0x3400 (0x4000 3400 - 0x4000 37FF): Reserved */
#define SPI2_I2S_BASE (PERIPH_BASE_APB1 + 0x3800)
#define SPI3_I2S_BASE (PERIPH_BASE_APB1 + 0x3c00)
/* PERIPH_BASE_APB1 + 0x4000 (0x4000 4000 - 0x4000 3FFF): Reserved */
#define USART2_BASE (PERIPH_BASE_APB1 + 0x4400)
#define USART3_BASE (PERIPH_BASE_APB1 + 0x4800)
#define UART4_BASE (PERIPH_BASE_APB1 + 0x4c00)
#define UART5_BASE (PERIPH_BASE_APB1 + 0x5000)
#define I2C1_BASE (PERIPH_BASE_APB1 + 0x5400)
#define I2C2_BASE (PERIPH_BASE_APB1 + 0x5800)
#define I2C3_BASE (PERIPH_BASE_APB1 + 0x5C00)
/* PERIPH_BASE_APB1 + 0x6000 (0x4000 6000 - 0x4000 63FF): Reserved */
#define BX_CAN1_BASE (PERIPH_BASE_APB1 + 0x6400)
#define BX_CAN2_BASE (PERIPH_BASE_APB1 + 0x6800)
/* PERIPH_BASE_APB1 + 0x6C00 (0x4000 6C00 - 0x4000 6FFF): Reserved */
#define POWER_CONTROL_BASE (PERIPH_BASE_APB1 + 0x7000)
#define DAC_BASE (PERIPH_BASE_APB1 + 0x7400)
/* PERIPH_BASE_APB1 + 0x7800 (0x4000 7800 - 0x4000 FFFF): Reserved */
/* APB2 */
#define TIM1_BASE (PERIPH_BASE_APB2 + 0x0000)
#define TIM8_BASE (PERIPH_BASE_APB2 + 0x0400)
/* PERIPH_BASE_APB2 + 0x0800 (0x4001 0800 - 0x4001 0FFF): Reserved */
#define USART1_BASE (PERIPH_BASE_APB2 + 0x1000)
#define USART6_BASE (PERIPH_BASE_APB2 + 0x1400)
/* PERIPH_BASE_APB2 + 0x1800 (0x4001 1800 - 0x4001 1FFF): Reserved */
#define ADC1_BASE (PERIPH_BASE_APB2 + 0x2000)
#define ADC2_BASE (PERIPH_BASE_APB2 + 0x2000)
#define ADC3_BASE (PERIPH_BASE_APB2 + 0x2000)
/* PERIPH_BASE_APB2 + 0x2400 (0x4001 2400 - 0x4001 27FF): Reserved */
#define SDIO_BASE (PERIPH_BASE_APB2 + 0x2800)
/* PERIPH_BASE_APB2 + 0x2C00 (0x4001 2C00 - 0x4001 2FFF): Reserved */
#define SPI1_BASE (PERIPH_BASE_APB2 + 0x3000)
/* PERIPH_BASE_APB2 + 0x3400 (0x4001 3400 - 0x4001 37FF): Reserved */
#define SYSCFG_BASE (PERIPH_BASE_APB2 + 0x3800)
#define EXTI_BASE (PERIPH_BASE_APB2 + 0x3C00)
#define TIM9_BASE (PERIPH_BASE_APB2 + 0x4000)
#define TIM10_BASE (PERIPH_BASE_APB2 + 0x4400)
#define TIM11_BASE (PERIPH_BASE_APB2 + 0x4800)
/* PERIPH_BASE_APB2 + 0x4C00 (0x4001 4C00 - 0x4001 FFFF): Reserved */
/* AHB1 */
#define GPIO_PORT_A_BASE (PERIPH_BASE_AHB1 + 0x0000)
#define GPIO_PORT_B_BASE (PERIPH_BASE_AHB1 + 0x0400)
#define GPIO_PORT_C_BASE (PERIPH_BASE_AHB1 + 0x0800)
#define GPIO_PORT_D_BASE (PERIPH_BASE_AHB1 + 0x0C00)
#define GPIO_PORT_E_BASE (PERIPH_BASE_AHB1 + 0x1000)
#define GPIO_PORT_F_BASE (PERIPH_BASE_AHB1 + 0x1400)
#define GPIO_PORT_G_BASE (PERIPH_BASE_AHB1 + 0x1800)
#define GPIO_PORT_H_BASE (PERIPH_BASE_AHB1 + 0x1C00)
#define GPIO_PORT_I_BASE (PERIPH_BASE_AHB1 + 0x2000)
/* PERIPH_BASE_AHB1 + 0x2400 (0x4002 2400 - 0x4002 2FFF): Reserved */
#define CRC_BASE (PERIPH_BASE_AHB1 + 0x3000)
/* PERIPH_BASE_AHB1 + 0x3400 (0x4002 3400 - 0x4002 37FF): Reserved */
#define RCC_BASE (PERIPH_BASE_AHB1 + 0x3800)
#define FLASH_MEM_INTERFACE_BASE (PERIPH_BASE_AHB1 + 0x3C00)
#define BKPSRAM_BASE (PERIPH_BASE_AHB1 + 0x4000)
/* PERIPH_BASE_AHB1 + 0x5000 (0x4002 5000 - 0x4002 5FFF): Reserved */
#define DMA1_BASE (PERIPH_BASE_AHB1 + 0x6000)
#define DMA2_BASE (PERIPH_BASE_AHB1 + 0x6400)
/* PERIPH_BASE_AHB1 + 0x6800 (0x4002 6800 - 0x4002 7FFF): Reserved */
#define ETHERNET_BASE (PERIPH_BASE_AHB1 + 0x8000)
/* PERIPH_BASE_AHB1 + 0x9400 (0x4002 9400 - 0x4003 FFFF): Reserved */
#define USB_OTG_HS_BASE (PERIPH_BASE_AHB1 + 0x20000)
/* PERIPH_BASE_AHB1 + 0x60000 (0x4008 0000 - 0x4FFF FFFF): Reserved */
/* AHB2 */
#define USB_OTG_FS_BASE (PERIPH_BASE_AHB2 + 0x0000)
/* PERIPH_BASE_AHB2 + 0x40000 (0x5004 0000 - 0x5004 FFFF): Reserved */
#define DCMI_BASE (PERIPH_BASE_AHB2 + 0x50000)
/* PERIPH_BASE_AHB2 + 0x50400 (0x5005 0400 - 0x5006 07FF): Reserved */
#define RNG_BASE (PERIPH_BASE_AHB2 + 0x60800)
/* PERIPH_BASE_AHB2 + 0x61000 (0x5006 1000 - 0x5FFF FFFF): Reserved */
/* AHB3 */
#define FSMC_BASE (PERIPH_BASE_AHB3 + 0x40000000)
/* PPIB */
#define DBGMCU_BASE (PPBI_BASE + 0x00042000)
#endif

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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_NVIC_F4_H
#define LIBOPENCM3_NVIC_F4_H
/* --- IRQ channel numbers-------------------------------------------------- */
/* Note: These F2 specific user interrupt definitions supplement the
* general NVIC definitions in ../nvic.h
*/
/* User Interrupts */
#define NVIC_NVIC_WWDG_IRQ 0
#define NVIC_PVD_IRQ 1
#define NVIC_TAMP_STAMP_IRQ 2
#define NVIC_RTC_WKUP_IRQ 3
#define NVIC_FLASH_IRQ 4
#define NVIC_RCC_IRQ 5
#define NVIC_EXTI0_IRQ 6
#define NVIC_EXTI1_IRQ 7
#define NVIC_EXTI2_IRQ 8
#define NVIC_EXTI3_IRQ 9
#define NVIC_EXTI4_IRQ 10
#define NVIC_DMA1_STREAM0_IRQ 11
#define NVIC_DMA1_STREAM1_IRQ 12
#define NVIC_DMA1_STREAM2_IRQ 13
#define NVIC_DMA1_STREAM3_IRQ 14
#define NVIC_DMA1_STREAM4_IRQ 15
#define NVIC_DMA1_STREAM5_IRQ 16
#define NVIC_DMA1_STREAM6_IRQ 17
#define NVIC_ADC_IRQ 18
#define NVIC_CAN1_TX_IRQ 19
#define NVIC_CAN1_RX0_IRQ 20
#define NVIC_CAN1_RX1_IRQ 21
#define NVIC_CAN1_SCE_IRQ 22
#define NVIC_EXTI9_5_IRQ 23
#define NVIC_TIM1_BRK_TIM9_IRQ 24
#define NVIC_TIM1_UP_TIM10_IRQ 25
#define NVIC_TIM1_TRG_COM_TIM11_IRQ 26
#define NVIC_TIM1_CC_IRQ 27
#define NVIC_TIM2_IRQ 28
#define NVIC_TIM3_IRQ 29
#define NVIC_TIM4_IRQ 30
#define NVIC_I2C1_EV_IRQ 31
#define NVIC_I2C1_ER_IRQ 32
#define NVIC_I2C2_EV_IRQ 33
#define NVIC_I2C2_ER_IRQ 34
#define NVIC_SPI1_IRQ 35
#define NVIC_SPI2_IRQ 36
#define NVIC_USART1_IRQ 37
#define NVIC_USART2_IRQ 38
#define NVIC_USART3_IRQ 39
#define NVIC_EXTI15_10_IRQ 40
#define NVIC_RTC_ALARM_IRQ 41
#define NVIC_USB_FS_WKUP_IRQ 42
#define NVIC_TIM8_BRK_TIM12_IRQ 43
#define NVIC_TIM8_UP_TIM13_IRQ 44
#define NVIC_TIM8_TRG_COM_TIM14_IRQ 45
#define NVIC_TIM8_CC_IRQ 46
#define NVIC_DMA1_STREAM7_IRQ 47
#define NVIC_FSMC_IRQ 48
#define NVIC_SDIO_IRQ 49
#define NVIC_TIM5_IRQ 50
#define NVIC_SPI3_IRQ 51
#define NVIC_USART4_IRQ 52
#define NVIC_USART5_IRQ 53
#define NVIC_TIM6_DAC_IRQ 54
#define NVIC_TIM7_IRQ 55
#define NVIC_DMA2_STREAM0_IRQ 56
#define NVIC_DMA2_STREAM1_IRQ 57
#define NVIC_DMA2_STREAM2_IRQ 58
#define NVIC_DMA2_STREAM3_IRQ 59
#define NVIC_DMA2_STREAM4_IRQ 60
#define NVIC_ETH_IRQ 61
#define NVIC_ETH_WKUP_IRQ 62
#define NVIC_CAN2_TX_IRQ 63
#define NVIC_CAN2_RX0_IRQ 64
#define NVIC_CAN2_RX1_IRQ 65
#define NVIC_CAN2_SCE_IRQ 66
#define NVIC_OTG_FS_IRQ 67
#define NVIC_DMA2_STREAM5_IRQ 68
#define NVIC_DMA2_STREAM6_IRQ 69
#define NVIC_DMA2_STREAM7_IRQ 70
#define NVIC_USART6_IRQ 71
#define NVIC_I2C3_EV_IRQ 72
#define NVIC_I2C3_ER_IRQ 73
#define NVIC_OTG_HS_EP1_OUT_IRQ 74
#define NVIC_OTG_HS_EP1_IN_IRQ 75
#define NVIC_OTG_HS_WKUP_IRQ 76
#define NVIC_OTG_HS_IRQ 77
#define NVIC_DCMI_IRQ 78
#define NVIC_CRYP_IRQ 79
#define NVIC_HASH_RNG_IRQ 80
#endif

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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Stephen Caudle <scaudle@doceme.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_PWR_F4_H
#define LIBOPENCM3_PWR_F4_H
#include <libopencm3/stm32/pwr.h>
/*
* This file extends the version in stm_common with definitions only
* applicable to the STM32F4 series of devices.
*/
/* --- PWR_CR values ------------------------------------------------------- */
/* VOS: Regulator voltage scaling output selection */
#define PWR_CR_VOS (1 << 14)
/* FPDS: Flash power down in stop mode, only available in F2 family devices. */
#define PWR_CR_FPDS (1 << 9)
/* --- PWR_CSR values ------------------------------------------------------ */
/* VOSRDY: Regulator voltage scaling output selection ready */
#define PWR_CSR_VOSRDY (1 << 14)
/* BRE: Backup regulator enable */
#define PWR_CSR_BRE (1 << 9)
/* BRR: Backup regulator ready */
#define PWR_CSR_BRR (1 << 3)
/* --- Function prototypes ------------------------------------------------- */
typedef enum {
SCALE1, SCALE2
} vos_scale_t;
void pwr_set_vos_scale(vos_scale_t scale);
#endif

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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2009 Federico Ruiz-Ugalde <memeruiz at gmail dot com>
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
* Copyright (C) 2011 Stephen Caudle <scaudle@doceme.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_RCC_H
#define LIBOPENCM3_RCC_H
#include <libopencm3/stm32/memorymap.h>
#include <libopencm3/cm3/common.h>
/* --- RCC registers ------------------------------------------------------- */
#define RCC_CR MMIO32(RCC_BASE + 0x00)
#define RCC_PLLCFGR MMIO32(RCC_BASE + 0x04)
#define RCC_CFGR MMIO32(RCC_BASE + 0x08)
#define RCC_CIR MMIO32(RCC_BASE + 0x0c)
#define RCC_AHB1RSTR MMIO32(RCC_BASE + 0x10)
#define RCC_AHB2RSTR MMIO32(RCC_BASE + 0x14)
#define RCC_AHB3RSTR MMIO32(RCC_BASE + 0x18)
/* RCC_BASE + 0x1c Reserved */
#define RCC_APB1RSTR MMIO32(RCC_BASE + 0x20)
#define RCC_APB2RSTR MMIO32(RCC_BASE + 0x24)
/* RCC_BASE + 0x28 Reserved */
/* RCC_BASE + 0x2c Reserved */
#define RCC_AHB1ENR MMIO32(RCC_BASE + 0x30)
#define RCC_AHB2ENR MMIO32(RCC_BASE + 0x34)
#define RCC_AHB3ENR MMIO32(RCC_BASE + 0x38)
/* RCC_BASE + 0x3c Reserved */
#define RCC_APB1ENR MMIO32(RCC_BASE + 0x40)
#define RCC_APB2ENR MMIO32(RCC_BASE + 0x44)
/* RCC_BASE + 0x48 Reserved */
/* RCC_BASE + 0x4c Reserved */
#define RCC_AHB1LPENR MMIO32(RCC_BASE + 0x50)
#define RCC_AHB2LPENR MMIO32(RCC_BASE + 0x54)
#define RCC_AHB3LPENR MMIO32(RCC_BASE + 0x58)
/* RCC_BASE + 0x5c Reserved */
#define RCC_APB1LPENR MMIO32(RCC_BASE + 0x60)
#define RCC_APB2LPENR MMIO32(RCC_BASE + 0x64)
/* RCC_BASE + 0x68 Reserved */
/* RCC_BASE + 0x6c Reserved */
#define RCC_BDCR MMIO32(RCC_BASE + 0x70)
#define RCC_CSR MMIO32(RCC_BASE + 0x74)
/* RCC_BASE + 0x78 Reserved */
/* RCC_BASE + 0x7c Reserved */
#define RCC_SSCGR MMIO32(RCC_BASE + 0x80)
#define RCC_PLLI2SCFGR MMIO32(RCC_BASE + 0x84)
/* --- RCC_CR values ------------------------------------------------------- */
#define RCC_CR_PLLI2SRDY (1 << 27)
#define RCC_CR_PLLI2SON (1 << 26)
#define RCC_CR_PLLRDY (1 << 25)
#define RCC_CR_PLLON (1 << 24)
#define RCC_CR_CSSON (1 << 19)
#define RCC_CR_HSEBYP (1 << 18)
#define RCC_CR_HSERDY (1 << 17)
#define RCC_CR_HSEON (1 << 16)
/* HSICAL: [15:8] */
/* HSITRIM: [7:3] */
#define RCC_CR_HSIRDY (1 << 1)
#define RCC_CR_HSION (1 << 0)
/* --- RCC_PLLCFGR values ------------------------------------------------------- */
/* PLLQ: [27:24] */
#define RCC_PLLCFGR_PLLQ_SHIFT 24
#define RCC_PLLCFGR_PLLSRC (1 << 22)
/* PLLP: [17:16] */
#define RCC_PLLCFGR_PLLP_SHIFT 16
/* PLLN: [14:6] */
#define RCC_PLLCFGR_PLLN_SHIFT 6
/* PLLM: [5:0] */
#define RCC_PLLCFGR_PLLM_SHIFT 0
/* --- RCC_CFGR values ----------------------------------------------------- */
/* MCO2: Microcontroller clock output 2 */
#define RCC_CFGR_MCO2_SHIFT 30
#define RCC_CFGR_MCO2_SYSCLK 0x0
#define RCC_CFGR_MCO2_PLLI2S 0x1
#define RCC_CFGR_MCO2_HSE 0x2
#define RCC_CFGR_MCO2_PLL 0x3
/* MCO1/2PRE: MCO Prescalers */
#define RCC_CFGR_MCO2PRE_SHIFT 27
#define RCC_CFGR_MCO1PRE_SHIFT 24
#define RCC_CFGR_MCOPRE_DIV_NONE 0x0
#define RCC_CFGR_MCOPRE_DIV_2 0x4
#define RCC_CFGR_MCOPRE_DIV_3 0x5
#define RCC_CFGR_MCOPRE_DIV_4 0x6
#define RCC_CFGR_MCOPRE_DIV_5 0x7
/* I2SSRC: I2S clock selection */
#define RCC_CFGR_I2SSRC (1 << 23)
/* MCO1: Microcontroller clock output 1 */
#define RCC_CFGR_MCO1_SHIFT 21
#define RCC_CFGR_MCO1_HSI 0x0
#define RCC_CFGR_MCO1_LSE 0x1
#define RCC_CFGR_MCO1_HSE 0x2
#define RCC_CFGR_MCO1_PLL 0x3
/* RTCPRE: HSE division factor for RTC clock */
#define RCC_CFGR_RTCPRE_SHIFT 21
/* PPRE1/2: APB high-speed prescalers */
#define RCC_CFGR_PPRE2_SHIFT 13
#define RCC_CFGR_PPRE1_SHIFT 10
#define RCC_CFGR_PPRE_DIV_NONE 0x0
#define RCC_CFGR_PPRE_DIV_2 0x4
#define RCC_CFGR_PPRE_DIV_4 0x5
#define RCC_CFGR_PPRE_DIV_8 0x6
#define RCC_CFGR_PPRE_DIV_16 0x7
/* HPRE: AHB high-speed prescaler */
#define RCC_CFGR_HPRE_SHIFT 4
#define RCC_CFGR_HPRE_DIV_NONE 0x0
#define RCC_CFGR_HPRE_DIV_2 (0x8+0)
#define RCC_CFGR_HPRE_DIV_4 (0x8+1)
#define RCC_CFGR_HPRE_DIV_8 (0x8+2)
#define RCC_CFGR_HPRE_DIV_16 (0x8+3)
#define RCC_CFGR_HPRE_DIV_64 (0x8+4)
#define RCC_CFGR_HPRE_DIV_128 (0x8+5)
#define RCC_CFGR_HPRE_DIV_256 (0x8+6)
#define RCC_CFGR_HPRE_DIV_512 (0x8+7)
/* SWS: System clock switch status */
#define RCC_CFGR_SWS_SHIFT 2
#define RCC_CFGR_SWS_HSI 0x0
#define RCC_CFGR_SWS_HSE 0x1
#define RCC_CFGR_SWS_PLL 0x2
/* SW: System clock switch */
#define RCC_CFGR_SW_SHIFT 0
#define RCC_CFGR_SW_HSI 0x0
#define RCC_CFGR_SW_HSE 0x1
#define RCC_CFGR_SW_PLL 0x2
/* --- RCC_CIR values ------------------------------------------------------ */
/* Clock security system interrupt clear bit */
#define RCC_CIR_CSSC (1 << 23)
/* OSC ready interrupt clear bits */
#define RCC_CIR_PLLI2SRDYC (1 << 21)
#define RCC_CIR_PLLRDYC (1 << 20)
#define RCC_CIR_HSERDYC (1 << 19)
#define RCC_CIR_HSIRDYC (1 << 18)
#define RCC_CIR_LSERDYC (1 << 17)
#define RCC_CIR_LSIRDYC (1 << 16)
/* OSC ready interrupt enable bits */
#define RCC_CIR_PLLI2SRDYIE (1 << 13)
#define RCC_CIR_PLLRDYIE (1 << 12)
#define RCC_CIR_HSERDYIE (1 << 11)
#define RCC_CIR_HSIRDYIE (1 << 10)
#define RCC_CIR_LSERDYIE (1 << 9)
#define RCC_CIR_LSIRDYIE (1 << 8)
/* Clock security system interrupt flag bit */
#define RCC_CIR_CSSF (1 << 7)
/* OSC ready interrupt flag bits */
#define RCC_CIR_PLLI2SRDYF (1 << 5)
#define RCC_CIR_PLLRDYF (1 << 4)
#define RCC_CIR_HSERDYF (1 << 3)
#define RCC_CIR_HSIRDYF (1 << 2)
#define RCC_CIR_LSERDYF (1 << 1)
#define RCC_CIR_LSIRDYF (1 << 0)
/* --- RCC_AHB1RSTR values ------------------------------------------------- */
#define RCC_AHB1RSTR_OTGHSRST (1 << 29)
#define RCC_AHB1RSTR_ETHMACRST (1 << 25)
#define RCC_AHB1RSTR_DMA2RST (1 << 22)
#define RCC_AHB1RSTR_DMA1RST (1 << 21)
#define RCC_AHB1RSTR_CRCRST (1 << 12)
#define RCC_AHB1RSTR_IOPIRST (1 << 8)
#define RCC_AHB1RSTR_IOPHRST (1 << 7)
#define RCC_AHB1RSTR_IOPGRST (1 << 6)
#define RCC_AHB1RSTR_IOPFRST (1 << 5)
#define RCC_AHB1RSTR_IOPERST (1 << 4)
#define RCC_AHB1RSTR_IOPDRST (1 << 3)
#define RCC_AHB1RSTR_IOPCRST (1 << 2)
#define RCC_AHB1RSTR_IOPBRST (1 << 1)
#define RCC_AHB1RSTR_IOPARST (1 << 0)
/* --- RCC_AHB2RSTR values ------------------------------------------------- */
#define RCC_AHB2RSTR_OTGFSRST (1 << 7)
#define RCC_AHB2RSTR_RNGRST (1 << 6)
#define RCC_AHB2RSTR_HASHRST (1 << 5)
#define RCC_AHB2RSTR_CRYPRST (1 << 4)
#define RCC_AHB2RSTR_DCMIRST (1 << 0)
/* --- RCC_AHB3RSTR values ------------------------------------------------- */
#define RCC_AHB3RSTR_FSMCRST (1 << 0)
/* --- RCC_APB1RSTR values ------------------------------------------------- */
#define RCC_APB1RSTR_DACRST (1 << 29)
#define RCC_APB1RSTR_PWRRST (1 << 28)
#define RCC_APB1RSTR_CAN2RST (1 << 26)
#define RCC_APB1RSTR_CAN1RST (1 << 25)
#define RCC_APB1RSTR_I2C3RST (1 << 23)
#define RCC_APB1RSTR_I2C2RST (1 << 22)
#define RCC_APB1RSTR_I2C1RST (1 << 21)
#define RCC_APB1RSTR_USART5RST (1 << 20)
#define RCC_APB1RSTR_USART4RST (1 << 19)
#define RCC_APB1RSTR_USART3RST (1 << 18)
#define RCC_APB1RSTR_USART2RST (1 << 17)
#define RCC_APB1RSTR_SPI3RST (1 << 15)
#define RCC_APB1RSTR_SPI2RST (1 << 14)
#define RCC_APB1RSTR_WWDGRST (1 << 11)
#define RCC_APB1RSTR_TIM14RST (1 << 8)
#define RCC_APB1RSTR_TIM13RST (1 << 7)
#define RCC_APB1RSTR_TIM12RST (1 << 6)
#define RCC_APB1RSTR_TIM7RST (1 << 5)
#define RCC_APB1RSTR_TIM6RST (1 << 4)
#define RCC_APB1RSTR_TIM5RST (1 << 3)
#define RCC_APB1RSTR_TIM4RST (1 << 2)
#define RCC_APB1RSTR_TIM3RST (1 << 1)
#define RCC_APB1RSTR_TIM2RST (1 << 0)
/* --- RCC_APB2RSTR values ------------------------------------------------- */
#define RCC_APB2RSTR_TIM11RST (1 << 18)
#define RCC_APB2RSTR_TIM10RST (1 << 17)
#define RCC_APB2RSTR_TIM9RST (1 << 16)
#define RCC_APB2RSTR_SYSCFGRST (1 << 14)
#define RCC_APB2RSTR_SPI1RST (1 << 12)
#define RCC_APB2RSTR_SDIORST (1 << 11)
#define RCC_APB2RSTR_ADCRST (1 << 8)
#define RCC_APB2RSTR_USART6RST (1 << 5)
#define RCC_APB2RSTR_USART1RST (1 << 4)
#define RCC_APB2RSTR_TIM8RST (1 << 1)
#define RCC_APB2RSTR_TIM1RST (1 << 0)
/* --- RCC_AHB1ENR values ------------------------------------------------- */
#define RCC_AHB1ENR_OTGHSULPIEN (1 << 30)
#define RCC_AHB1ENR_OTGHSEN (1 << 29)
#define RCC_AHB1ENR_ETHMACPTPEN (1 << 28)
#define RCC_AHB1ENR_ETHMACRXEN (1 << 27)
#define RCC_AHB1ENR_ETHMACTXEN (1 << 26)
#define RCC_AHB1ENR_ETHMACEN (1 << 25)
#define RCC_AHB1ENR_DMA2EN (1 << 22)
#define RCC_AHB1ENR_DMA1EN (1 << 21)
#define RCC_AHB1ENR_BKPSRAMEN (1 << 18)
#define RCC_AHB1ENR_CRCEN (1 << 12)
#define RCC_AHB1ENR_IOPIEN (1 << 8)
#define RCC_AHB1ENR_IOPHEN (1 << 7)
#define RCC_AHB1ENR_IOPGEN (1 << 6)
#define RCC_AHB1ENR_IOPFEN (1 << 5)
#define RCC_AHB1ENR_IOPEEN (1 << 4)
#define RCC_AHB1ENR_IOPDEN (1 << 3)
#define RCC_AHB1ENR_IOPCEN (1 << 2)
#define RCC_AHB1ENR_IOPBEN (1 << 1)
#define RCC_AHB1ENR_IOPAEN (1 << 0)
/* --- RCC_AHB2ENR values ------------------------------------------------- */
#define RCC_AHB2ENR_OTGFSEN (1 << 7)
#define RCC_AHB2ENR_RNGEN (1 << 6)
#define RCC_AHB2ENR_HASHEN (1 << 5)
#define RCC_AHB2ENR_CRYPEN (1 << 4)
#define RCC_AHB2ENR_DCMIEN (1 << 0)
/* --- RCC_AHB3ENR values ------------------------------------------------- */
#define RCC_AHB3ENR_FSMCEN (1 << 0)
/* --- RCC_APB1ENR values ------------------------------------------------- */
#define RCC_APB1ENR_DACEN (1 << 29)
#define RCC_APB1ENR_PWREN (1 << 28)
#define RCC_APB1ENR_CAN2EN (1 << 26)
#define RCC_APB1ENR_CAN1EN (1 << 25)
#define RCC_APB1ENR_I2C3EN (1 << 23)
#define RCC_APB1ENR_I2C2EN (1 << 22)
#define RCC_APB1ENR_I2C1EN (1 << 21)
#define RCC_APB1ENR_USART5EN (1 << 20)
#define RCC_APB1ENR_USART4EN (1 << 19)
#define RCC_APB1ENR_USART3EN (1 << 18)
#define RCC_APB1ENR_USART2EN (1 << 17)
#define RCC_APB1ENR_SPI3EN (1 << 15)
#define RCC_APB1ENR_SPI2EN (1 << 14)
#define RCC_APB1ENR_WWDGEN (1 << 11)
#define RCC_APB1ENR_TIM14EN (1 << 8)
#define RCC_APB1ENR_TIM13EN (1 << 7)
#define RCC_APB1ENR_TIM12EN (1 << 6)
#define RCC_APB1ENR_TIM7EN (1 << 5)
#define RCC_APB1ENR_TIM6EN (1 << 4)
#define RCC_APB1ENR_TIM5EN (1 << 3)
#define RCC_APB1ENR_TIM4EN (1 << 2)
#define RCC_APB1ENR_TIM3EN (1 << 1)
#define RCC_APB1ENR_TIM2EN (1 << 0)
/* --- RCC_APB2ENR values ------------------------------------------------- */
#define RCC_APB2ENR_TIM11EN (1 << 18)
#define RCC_APB2ENR_TIM10EN (1 << 17)
#define RCC_APB2ENR_TIM9EN (1 << 16)
#define RCC_APB2ENR_SYSCFGEN (1 << 14)
#define RCC_APB2ENR_SPI1EN (1 << 12)
#define RCC_APB2ENR_SDIOEN (1 << 11)
#define RCC_APB2ENR_ADC3EN (1 << 10)
#define RCC_APB2ENR_ADC2EN (1 << 9)
#define RCC_APB2ENR_ADC1EN (1 << 8)
#define RCC_APB2ENR_USART6EN (1 << 5)
#define RCC_APB2ENR_USART1EN (1 << 4)
#define RCC_APB2ENR_TIM8EN (1 << 1)
#define RCC_APB2ENR_TIM1EN (1 << 0)
/* --- RCC_AHB1LPENR values ------------------------------------------------- */
#define RCC_AHB1LPENR_OTGHSULPILPEN (1 << 30)
#define RCC_AHB1LPENR_OTGHSLPEN (1 << 29)
#define RCC_AHB1LPENR_ETHMACPTPLPEN (1 << 28)
#define RCC_AHB1LPENR_ETHMACRXLPEN (1 << 27)
#define RCC_AHB1LPENR_ETHMACTXLPEN (1 << 26)
#define RCC_AHB1LPENR_ETHMACLPEN (1 << 25)
#define RCC_AHB1LPENR_DMA2LPEN (1 << 22)
#define RCC_AHB1LPENR_DMA1LPEN (1 << 21)
#define RCC_AHB1LPENR_BKPSRAMLPEN (1 << 18)
#define RCC_AHB1LPENR_SRAM2LPEN (1 << 17)
#define RCC_AHB1LPENR_SRAM1LPEN (1 << 16)
#define RCC_AHB1LPENR_FLITFLPEN (1 << 15)
#define RCC_AHB1LPENR_CRCLPEN (1 << 12)
#define RCC_AHB1LPENR_IOPILPEN (1 << 8)
#define RCC_AHB1LPENR_IOPHLPEN (1 << 7)
#define RCC_AHB1LPENR_IOPGLPEN (1 << 6)
#define RCC_AHB1LPENR_IOPFLPEN (1 << 5)
#define RCC_AHB1LPENR_IOPELPEN (1 << 4)
#define RCC_AHB1LPENR_IOPDLPEN (1 << 3)
#define RCC_AHB1LPENR_IOPCLPEN (1 << 2)
#define RCC_AHB1LPENR_IOPBLPEN (1 << 1)
#define RCC_AHB1LPENR_IOPALPEN (1 << 0)
/* --- RCC_AHB2LPENR values ------------------------------------------------- */
#define RCC_AHB2LPENR_OTGFSLPEN (1 << 7)
#define RCC_AHB2LPENR_RNGLPEN (1 << 6)
#define RCC_AHB2LPENR_HASHLPEN (1 << 5)
#define RCC_AHB2LPENR_CRYPLPEN (1 << 4)
#define RCC_AHB2LPENR_DCMILPEN (1 << 0)
/* --- RCC_AHB3LPENR values ------------------------------------------------- */
#define RCC_AHB3LPENR_FSMCLPEN (1 << 0)
/* --- RCC_APB1LPENR values ------------------------------------------------- */
#define RCC_APB1LPENR_DACLPEN (1 << 29)
#define RCC_APB1LPENR_PWRLPEN (1 << 28)
#define RCC_APB1LPENR_CAN2LPEN (1 << 26)
#define RCC_APB1LPENR_CAN1LPEN (1 << 25)
#define RCC_APB1LPENR_I2C3LPEN (1 << 23)
#define RCC_APB1LPENR_I2C2LPEN (1 << 22)
#define RCC_APB1LPENR_I2C1LPEN (1 << 21)
#define RCC_APB1LPENR_USART5LPEN (1 << 20)
#define RCC_APB1LPENR_USART4LPEN (1 << 19)
#define RCC_APB1LPENR_USART3LPEN (1 << 18)
#define RCC_APB1LPENR_USART2LPEN (1 << 17)
#define RCC_APB1LPENR_SPI3LPEN (1 << 15)
#define RCC_APB1LPENR_SPI2LPEN (1 << 14)
#define RCC_APB1LPENR_WWDGLPEN (1 << 11)
#define RCC_APB1LPENR_TIM14LPEN (1 << 8)
#define RCC_APB1LPENR_TIM13LPEN (1 << 7)
#define RCC_APB1LPENR_TIM12LPEN (1 << 6)
#define RCC_APB1LPENR_TIM7LPEN (1 << 5)
#define RCC_APB1LPENR_TIM6LPEN (1 << 4)
#define RCC_APB1LPENR_TIM5LPEN (1 << 3)
#define RCC_APB1LPENR_TIM4LPEN (1 << 2)
#define RCC_APB1LPENR_TIM3LPEN (1 << 1)
#define RCC_APB1LPENR_TIM2LPEN (1 << 0)
/* --- RCC_APB2LPENR values ------------------------------------------------- */
#define RCC_APB2LPENR_TIM11LPEN (1 << 18)
#define RCC_APB2LPENR_TIM10LPEN (1 << 17)
#define RCC_APB2LPENR_TIM9LPEN (1 << 16)
#define RCC_APB2LPENR_SYSCFGLPEN (1 << 14)
#define RCC_APB2LPENR_SPI1LPEN (1 << 12)
#define RCC_APB2LPENR_SDIOLPEN (1 << 11)
#define RCC_APB2LPENR_ADC3LPEN (1 << 10)
#define RCC_APB2LPENR_ADC2LPEN (1 << 9)
#define RCC_APB2LPENR_ADC1LPEN (1 << 8)
#define RCC_APB2LPENR_USART6LPEN (1 << 5)
#define RCC_APB2LPENR_USART1LPEN (1 << 4)
#define RCC_APB2LPENR_TIM8LPEN (1 << 1)
#define RCC_APB2LPENR_TIM1LPEN (1 << 0)
/* --- RCC_BDCR values ----------------------------------------------------- */
#define RCC_BDCR_BDRST (1 << 16)
#define RCC_BDCR_RTCEN (1 << 15)
/* RCC_BDCR[9:8]: RTCSEL */
#define RCC_BDCR_LSEBYP (1 << 2)
#define RCC_BDCR_LSERDY (1 << 1)
#define RCC_BDCR_LSEON (1 << 0)
/* --- RCC_CSR values ------------------------------------------------------ */
#define RCC_CSR_LPWRRSTF (1 << 31)
#define RCC_CSR_WWDGRSTF (1 << 30)
#define RCC_CSR_IWDGRSTF (1 << 29)
#define RCC_CSR_SFTRSTF (1 << 28)
#define RCC_CSR_PORRSTF (1 << 27)
#define RCC_CSR_PINRSTF (1 << 26)
#define RCC_CSR_BORRSTF (1 << 26)
#define RCC_CSR_RMVF (1 << 24)
#define RCC_CSR_LSIRDY (1 << 1)
#define RCC_CSR_LSION (1 << 0)
/* --- RCC_SSCGR values ---------------------------------------------------- */
/* PLL spread spectrum clock generation documented in Datasheet. */
#define RCC_SSCGR_SSCGEN (1 << 31)
#define RCC_SSCGR_SPREADSEL (1 << 30)
/* RCC_SSCGR[27:16]: INCSTEP */
#define RCC_SSCGR_INCSTEP_SHIFT 16
/* RCC_SSCGR[15:0]: MODPER */
#define RCC_SSCGR_MODPER_SHIFT 15
/* --- RCC_PLLI2SCFGR values ----------------------------------------------- */
/* RCC_PLLI2SCFGR[30:28]: PLLI2SR */
#define RCC_PLLI2SCFGR_PLLI2SR_SHIFT 28
/* RCC_PLLI2SCFGR[14:6]: PLLI2SN */
#define RCC_PLLI2SCFGR_PLLI2SN_SHIFT 6
/* --- Variable definitions ------------------------------------------------ */
extern u32 rcc_ppre1_frequency;
extern u32 rcc_ppre2_frequency;
/* --- Function prototypes ------------------------------------------------- */
typedef enum {
CLOCK_3V3_120MHZ,
CLOCK_3V3_168MHZ,
CLOCK_3V3_END
} clock_3v3_t;
typedef struct {
uint8_t pllm;
uint16_t plln;
uint8_t pllp;
uint8_t pllq;
uint32_t flash_config;
uint8_t hpre;
uint8_t ppre1;
uint8_t ppre2;
uint8_t power_save;
uint32_t apb1_frequency;
uint32_t apb2_frequency;
} clock_scale_t;
extern const clock_scale_t hse_8mhz_3v3[CLOCK_3V3_END];
typedef enum {
PLL, HSE, HSI, LSE, LSI
} osc_t;
void rcc_osc_ready_int_clear(osc_t osc);
void rcc_osc_ready_int_enable(osc_t osc);
void rcc_osc_ready_int_disable(osc_t osc);
int rcc_osc_ready_int_flag(osc_t osc);
void rcc_css_int_clear(void);
int rcc_css_int_flag(void);
void rcc_wait_for_osc_ready(osc_t osc);
void rcc_wait_for_sysclk_status(osc_t osc);
void rcc_osc_on(osc_t osc);
void rcc_osc_off(osc_t osc);
void rcc_css_enable(void);
void rcc_css_disable(void);
void rcc_osc_bypass_enable(osc_t osc);
void rcc_osc_bypass_disable(osc_t osc);
void rcc_peripheral_enable_clock(volatile u32 *reg, u32 en);
void rcc_peripheral_disable_clock(volatile u32 *reg, u32 en);
void rcc_peripheral_reset(volatile u32 *reg, u32 reset);
void rcc_peripheral_clear_reset(volatile u32 *reg, u32 clear_reset);
void rcc_set_sysclk_source(u32 clk);
void rcc_set_pll_source(u32 pllsrc);
void rcc_set_ppre2(u32 ppre2);
void rcc_set_ppre1(u32 ppre1);
void rcc_set_hpre(u32 hpre);
void rcc_set_rtcpre(u32 rtcpre);
void rcc_set_main_pll_hsi(u32 pllm, u32 plln, u32 pllp, u32 pllq);
void rcc_set_main_pll_hse(u32 pllm, u32 plln, u32 pllp, u32 pllq);
u32 rcc_get_system_clock_source(int i);
void rcc_clock_setup_hse_3v3(const clock_scale_t *clock);
void rcc_backupdomain_reset(void);
#endif

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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_SCB_H
#define LIBOPENCM3_SCB_H
#include <libopencm3/stm32/memorymap.h>
#include <libopencm3/cm3/common.h>
/* --- SCB: Registers ------------------------------------------------------ */
/* CPUID: CPUID base register */
#define SCB_CPUID MMIO32(SCB_BASE + 0x00)
/* ICSR: Interrupt Control State Register */
#define SCB_ICSR MMIO32(SCB_BASE + 0x04)
/* VTOR: Vector Table Offset Register */
#define SCB_VTOR MMIO32(SCB_BASE + 0x08)
/* AIRCR: Application Interrupt and Reset Control Register */
#define SCB_AIRCR MMIO32(SCB_BASE + 0x0C)
/* SCR: System Control Register */
#define SCB_SCR MMIO32(SCB_BASE + 0x10)
/* CCR: Configuration Control Register */
#define SCB_CCR MMIO32(SCB_BASE + 0x14)
/* SHP: System Handler Priority Registers */
/* Note: 12 8bit registers */
#define SCB_SHPR(shpr_id) MMIO8(SCB_BASE + 0x18 + shpr_id)
#define SCB_SHPR1 MMIO8(SCB_BASE + 0x18 + 1)
#define SCB_SHPR2 MMIO8(SCB_BASE + 0x18 + 2)
#define SCB_SHPR3 MMIO8(SCB_BASE + 0x18 + 3)
/* SHCSR: System Handler Control and State Register */
#define SCB_SHCSR MMIO32(SCB_BASE + 0x24)
/* CFSR: Configurable Fault Status Registers */
#define SCB_CFSR MMIO32(SCB_BASE + 0x28)
/* HFSR: Hard Fault Status Register */
#define SCB_HFSR MMIO32(SCB_BASE + 0x2C)
/* DFSR: Debug Fault Status Register */
#define SCB_DFSR MMIO32(SCB_BASE + 0x30)
/* MMFAR: Memory Manage Fault Address Register */
#define SCB_MMFAR MMIO32(SCB_BASE + 0x34)
/* BFAR: Bus Fault Address Register */
#define SCB_BFAR MMIO32(SCB_BASE + 0x38)
/* AFSR: Auxiliary Fault Status Register */
#define SCB_AFSR MMIO32(SCB_BASE + 0x3C)
/* --- SCB values ---------------------------------------------------------- */
/* --- SCB_CPUID values ---------------------------------------------------- */
/* Implementer[31:24]: Implementer code */
#define SCP_CPUID_IMPLEMENTER_LSB 24
/* Variant[23:20]: Variant number */
#define SCP_CPUID_VARIANT_LSB 20
/* Constant[19:16]: Reads as 0xF */
#define SCP_CPUID_CONSTANT_LSB 16
/* PartNo[15:4]: Part number of the processor */
#define SCP_CPUID_PARTNO_LSB 4
/* Revision[3:0]: Revision number */
#define SCP_CPUID_REVISION_LSB 0
/* --- SCB_ICSR values ----------------------------------------------------- */
/* NMIPENDSET: NMI set-pending bit */
#define SCB_ICSR_NMIPENDSET (1 << 31)
/* Bits [30:29]: reserved - must be kept cleared */
/* PENDSVSET: PendSV set-pending bit */
#define SCB_ICSR_PENDSVSET (1 << 28)
/* PENDSVCLR: PendSV clear-pending bit */
#define SCB_ICSR_PENDSVCLR (1 << 27)
/* PENDSTSET: SysTick exception set-pending bit */
#define SCB_ICSR_PENDSTSET (1 << 26)
/* PENDSTCLR: SysTick exception clear-pending bit */
#define SCB_ICSR_PENDSTCLR (1 << 25)
/* Bit 24: reserved - must be kept cleared */
/* Bit 23: reserved for debug - reads as 0 when not in debug mode */
/* ISRPENDING: Interrupt pending flag, excluding NMI and Faults */
#define SCB_ICSR_ISRPENDING (1 << 22)
/* VECTPENDING[21:12] Pending vector */
#define SCB_ICSR_VECTPENDING_LSB 12
/* RETOBASE: Return to base level */
#define SCB_ICSR_RETOBASE (1 << 11)
/* Bits [10:9]: reserved - must be kept cleared */
/* VECTACTIVE[8:0] Active vector */
#define SCB_ICSR_VECTACTIVE_LSB 0
/* --- SCB_VTOR values ----------------------------------------------------- */
/* Bits [31:30]: reserved - must be kept cleared */
/* TBLOFF[29:9]: Vector table base offset field */
#define SCB_VTOR_TBLOFF_LSB 9 /* inconsistent datasheet - LSB could be 11 */
/* --- SCB_AIRCR values ---------------------------------------------------- */
/* VECTKEYSTAT[31:16]/ VECTKEY[31:16] Register key */
#define SCB_AIRCR_VECTKEYSTAT_LSB 16
#define SCB_AIRCR_VECTKEY 0x05FA0000
/* ENDIANESS Data endianness bit */
#define SCB_AIRCR_ENDIANESS (1 << 15)
/* Bits [14:11]: reserved - must be kept cleared */
/* PRIGROUP[10:8]: Interrupt priority grouping field */
#define SCB_AIRCR_PRIGROUP_LSB 8
#define SCB_AIRCR_PRIGROUP_GROUP16_NOSUB 0x3
#define SCB_AIRCR_PRIGROUP_GROUP8_SUB2 0x4
#define SCB_AIRCR_PRIGROUP_GROUP4_SUB4 0x5
#define SCB_AIRCR_PRIGROUP_GROUP2_SUB8 0x6
#define SCB_AIRCR_PRIGROUP_NOGROUP_SUB16 0x7
/* Bits [7:3]: reserved - must be kept cleared */
/* SYSRESETREQ System reset request */
#define SCB_AIRCR_SYSRESETREQ (1 << 2)
/* VECTCLRACTIVE */
#define SCB_AIRCR_VECTCLRACTIVE (1 << 1)
/* VECTRESET */
#define SCB_AIRCR_VECTRESET (1 << 0)
/* --- SCB_SCR values ------------------------------------------------------ */
/* Bits [31:5]: reserved - must be kept cleared */
/* SEVEONPEND Send Event on Pending bit */
#define SCB_SCR_SEVEONPEND (1 << 4)
/* Bit 3: reserved - must be kept cleared */
/* SLEEPDEEP */
#define SCB_SCR_SLEEPDEEP (1 << 2)
/* SLEEPONEXIT */
#define SCB_SCR_SLEEPONEXIT (1 << 1)
/* Bit 0: reserved - must be kept cleared */
/* --- SCB_CCR values ------------------------------------------------------ */
/* Bits [31:10]: reserved - must be kept cleared */
/* STKALIGN */
#define SCB_CCR_STKALIGN (1 << 9)
/* BFHFNMIGN */
#define SCB_CCR_BFHFNMIGN (1 << 8)
/* Bits [7:5]: reserved - must be kept cleared */
/* DIV_0_TRP */
#define SCB_CCR_DIV_0_TRP (1 << 4)
/* UNALIGN_TRP */
#define SCB_CCR_UNALIGN_TRP (1 << 3)
/* Bit 2: reserved - must be kept cleared */
/* USERSETMPEND */
#define SCB_CCR_USERSETMPEND (1 << 1)
/* NONBASETHRDENA */
#define SCB_CCR_NONBASETHRDENA (1 << 0)
/* --- SCB_SHPR1 values ---------------------------------------------------- */
/* Bits [31:24]: reserved - must be kept cleared */
/* PRI_6[23:16]: Priority of system handler 6, usage fault */
#define SCB_SHPR1_PRI_6_LSB 16
/* PRI_5[15:8]: Priority of system handler 5, bus fault */
#define SCB_SHPR1_PRI_5_LSB 8
/* PRI_4[7:0]: Priority of system handler 4, memory management fault */
#define SCB_SHPR1_PRI_4_LSB 0
/* --- SCB_SHPR2 values ---------------------------------------------------- */
/* PRI_11[31:24]: Priority of system handler 11, SVCall */
#define SCB_SHPR2_PRI_11_LSB 24
/* Bits [23:0]: reserved - must be kept cleared */
/* --- SCB_SHPR3 values ---------------------------------------------------- */
/* PRI_15[31:24]: Priority of system handler 15, SysTick exception */
#define SCB_SHPR3_PRI_15_LSB 24
/* PRI_14[23:16]: Priority of system handler 14, PendSV */
#define SCB_SHPR3_PRI_14_LSB 16
/* Bits [15:0]: reserved - must be kept cleared */
/* --- SCB_SHCSR values ---------------------------------------------------- */
/* Bits [31:19]: reserved - must be kept cleared */
/* USGFAULTENA: Usage fault enable */
#define SCB_SHCSR_USGFAULTENA (1 << 18)
/* BUSFAULTENA: Bus fault enable */
#define SCB_SHCSR_BUSFAULTENA (1 << 17)
/* MEMFAULTENA: Memory management fault enable */
#define SCB_SHCSR_MEMFAULTENA (1 << 16)
/* SVCALLPENDED: SVC call pending */
#define SCB_SHCSR_SVCALLPENDED (1 << 15)
/* BUSFAULTPENDED: Bus fault exception pending */
#define SCB_SHCSR_BUSFAULTPENDED (1 << 14)
/* MEMFAULTPENDED: Memory management fault exception pending */
#define SCB_SHCSR_MEMFAULTPENDED (1 << 13)
/* USGFAULTPENDED: Usage fault exception pending */
#define SCB_SHCSR_USGFAULTPENDED (1 << 12)
/* SYSTICKACT: SysTick exception active */
#define SCB_SHCSR_SYSTICKACT (1 << 11)
/* PENDSVACT: PendSV exception active */
#define SCB_SHCSR_PENDSVACT (1 << 10)
/* Bit 9: reserved - must be kept cleared */
/* MONITORACT: Debug monitor active */
#define SCB_SHCSR_MONITORACT (1 << 8)
/* SVCALLACT: SVC call active */
#define SCB_SHCSR_SVCALLACT (1 << 7)
/* Bits [6:4]: reserved - must be kept cleared */
/* USGFAULTACT: Usage fault exception active */
#define SCB_SHCSR_USGFAULTACT (1 << 3)
/* Bit 2: reserved - must be kept cleared */
/* BUSFAULTACT: Bus fault exception active */
#define SCB_SHCSR_BUSFAULTACT (1 << 1)
/* MEMFAULTACT: Memory management fault exception active */
#define SCB_SHCSR_MEMFAULTACT (1 << 0)
/* --- SCB_CFSR values ----------------------------------------------------- */
/* Bits [31:26]: reserved - must be kept cleared */
/* DIVBYZERO: Divide by zero usage fault */
#define SCB_CFSR_DIVBYZERO (1 << 25)
/* UNALIGNED: Unaligned access usage fault */
#define SCB_CFSR_UNALIGNED (1 << 24)
/* Bits [23:20]: reserved - must be kept cleared */
/* NOCP: No coprocessor usage fault */
#define SCB_CFSR_NOCP (1 << 19)
/* INVPC: Invalid PC load usage fault */
#define SCB_CFSR_INVPC (1 << 18)
/* INVSTATE: Invalid state usage fault */
#define SCB_CFSR_INVSTATE (1 << 17)
/* UNDEFINSTR: Undefined instruction usage fault */
#define SCB_CFSR_UNDEFINSTR (1 << 16)
/* BFARVALID: Bus Fault Address Register (BFAR) valid flag */
#define SCB_CFSR_BFARVALID (1 << 15)
/* Bits [14:13]: reserved - must be kept cleared */
/* STKERR: Bus fault on stacking for exception entry */
#define SCB_CFSR_STKERR (1 << 12)
/* UNSTKERR: Bus fault on unstacking for a return from exception */
#define SCB_CFSR_UNSTKERR (1 << 11)
/* IMPRECISERR: Imprecise data bus error */
#define SCB_CFSR_IMPRECISERR (1 << 10)
/* PRECISERR: Precise data bus error */
#define SCB_CFSR_PRECISERR (1 << 9)
/* IBUSERR: Instruction bus error */
#define SCB_CFSR_IBUSERR (1 << 8)
/* MMARVALID: Memory Management Fault Address Register (MMAR) valid flag */
#define SCB_CFSR_MMARVALID (1 << 7)
/* Bits [6:5]: reserved - must be kept cleared */
/* MSTKERR: Memory manager fault on stacking for exception entry */
#define SCB_CFSR_MSTKERR (1 << 4)
/* MUNSTKERR: Memory manager fault on unstacking for a return from exception */
#define SCB_CFSR_MUNSTKERR (1 << 3)
/* Bit 2: reserved - must be kept cleared */
/* DACCVIOL: Data access violation flag */
#define SCB_CFSR_DACCVIOL (1 << 1)
/* IACCVIOL: Instruction access violation flag */
#define SCB_CFSR_IACCVIOL (1 << 0)
/* --- SCB_HFSR values ----------------------------------------------------- */
/* DEBUG_VT: reserved for debug use */
#define SCB_HFSR_DEBUG_VT (1 << 31)
/* FORCED: Forced hard fault */
#define SCB_HFSR_FORCED (1 << 30)
/* Bits [29:2]: reserved - must be kept cleared */
/* VECTTBL: Vector table hard fault */
#define SCB_HFSR_VECTTBL (1 << 1)
/* Bit 0: reserved - must be kept cleared */
/* --- SCB_MMFAR values ---------------------------------------------------- */
/* MMFAR [31:0]: Memory management fault address */
/* --- SCB_BFAR values ----------------------------------------------------- */
/* BFAR [31:0]: Bus fault address */
/* --- SCB functions ------------------------------------------------------- */
void scb_reset_core(void);
void scb_reset_system(void);
/* TODO: */
#endif

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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_SPI_F4_H
#define LIBOPENCM3_SPI_F4_H
#include <libopencm3/stm32/spi.h>
/*
* This file extends the version in stm_common with definitions only
* applicable to the STM32F2 series of devices.
*/
/* --- SPI_CR2 values ------------------------------------------------------ */
/* FRF: Frame format. */
#define SPI_CR2_FRF (1 << 4)
#define SPI_CR2_FRF_TI (1 << 4)
#define SPI_CR2_FRF_MOTOROLA (1 << 4)
/* --- SPI_SR values ------------------------------------------------------- */
/* TIFRFE: TI frame format error. */
#define SPI_SR_RXNE (1 << 0)
#endif

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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_SYSCFG_H
#define LIBOPENCM3_SYSCFG_H
#include <libopencm3/stm32/memorymap.h>
/* --- SYSCFG registers ------------------------------------------------------ */
#define SYSCFG_MEMRM MMIO32(SYSCFG_BASE + 0x00)
#define SYSCFG_PMC MMIO32(SYSCFG_BASE + 0x04)
/* External interrupt configuration register 1 (SYSCFG_EXTICR1) */
#define SYSCFG_EXTICR1 MMIO32(SYSCFG_BASE + 0x08)
/* External interrupt configuration register 2 (SYSCFG_EXTICR2) */
#define SYSCFG_EXTICR2 MMIO32(SYSCFG_BASE + 0x0c)
/* External interrupt configuration register 3 (SYSCFG_EXTICR3) */
#define SYSCFG_EXTICR3 MMIO32(SYSCFG_BASE + 0x10)
/* External interrupt configuration register 4 (SYSCFG_EXTICR4) */
#define SYSCFG_EXTICR4 MMIO32(SYSCFG_BASE + 0x14)
#define SYSCFG_CMPCR MMIO32(SYSCFG_BASE + 0x20)
#endif

54
include/libopencm3/stm32/f4/timer.h Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_TIMER_F4_H
#define LIBOPENCM3_TIMER_F4_H
#include <libopencm3/stm32/timer.h>
/*
* TIM2 and TIM5 are now 32bit and the following registers are now 32-bit wide:
* CNT, ARR, CCR1, CCR2, CCR3, CCR4
*/
/* Timer 2/5 option register (TIMx_OR) */
#define TIM_OR(tim_base) MMIO32(tim_base + 0x50)
#define TIM2_OR TIM_OR(TIM2)
#define TIM5_OR TIM_OR(TIM5)
/* --- TIM2_OR values ---------------------------------------------------- */
/* MOE: Main output enable */
#define TIM2_OR_ITR1_RMP_TIM8_TRGOUT (0x0 << 10)
#define TIM2_OR_ITR1_RMP_PTP (0x1 << 10)
#define TIM2_OR_ITR1_RMP_OTG_FS_SOF (0x2 << 10)
#define TIM2_OR_ITR1_RMP_OTG_HS_SOF (0x3 << 10)
#define TIM2_OR_ITR1_RMP_MASK (0x3 << 10)
/* --- TIM5_OR values ---------------------------------------------------- */
/* MOE: Main output enable */
#define TIM5_OR_TI4_RMP_GPIO (0x0 << 6)
#define TIM5_OR_TI4_RMP_LSI (0x1 << 6)
#define TIM5_OR_TI4_RMP_LSE (0x2 << 6)
#define TIM5_OR_TI4_RMP_RTC (0x3 << 6)
#define TIM5_OR_TI4_RMP_MASK (0x3 << 6)
#endif

35
include/libopencm3/stm32/f4/usart.h Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_USART_F4_H
#define LIBOPENCM3_USART_F4_H
#include <libopencm3/stm32/usart.h>
/* --- USART_CR1 values ---------------------------------------------------- */
/* OVER8: Oversampling mode */
#define USART_CR1_OVER8 (1 << 15)
/* --- USART_CR3 values ---------------------------------------------------- */
/* ONEBIT: One sample bit method enable */
#define USART_CR3_ONEBIT (1 << 11)
#endif

4
include/libopencm3/stm32/memorymap.h
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@ -26,8 +26,12 @@
#ifdef STM32F2 #ifdef STM32F2
#include <libopencm3/stm32/f2/memorymap.h> #include <libopencm3/stm32/f2/memorymap.h>
#else #else
#ifdef STM32F4
#include <libopencm3/stm32/f4/memorymap.h>
#else
#error "stm32 family not defined." #error "stm32 family not defined."
#endif #endif
#endif #endif
#endif
#endif #endif

4
include/libopencm3/stm32/nvic.h
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@ -88,9 +88,13 @@
#ifdef STM32F2 #ifdef STM32F2
#include <libopencm3/stm32/f2/nvic_f2.h> #include <libopencm3/stm32/f2/nvic_f2.h>
#else #else
#ifdef STM32F4
#include <libopencm3/stm32/f4/nvic_f4.h>
#else
#error "stm32 family not defined." #error "stm32 family not defined."
#endif #endif
#endif #endif
#endif
/* --- NVIC functions ------------------------------------------------------ */ /* --- NVIC functions ------------------------------------------------------ */

59
lib/stm32/f4/Makefile Normal file
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##
## This file is part of the libopencm3 project.
##
## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
##
## This program is free software: you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program. If not, see <http://www.gnu.org/licenses/>.
##
LIBNAME = libopencm3_stm32f4
PREFIX ?= arm-none-eabi
# PREFIX ?= arm-elf
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os -g -Wall -Wextra -I../../../include -fno-common \
-mcpu=cortex-m3 -mthumb -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSTM32F4
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = vector.o rcc.o gpio.o usart.o spi.o flash.o nvic.o \
i2c.o systick.o exti.o scb.o \
VPATH += ../../usb:../
# Be silent per default, but 'make V=1' will show all compiler calls.
ifneq ($(V),1)
Q := @
endif
all: $(LIBNAME).a
$(LIBNAME).a: $(OBJS)
@printf " AR $(subst $(shell pwd)/,,$(@))\n"
$(Q)$(AR) $(ARFLAGS) $@ $^
%.o: %.c
@printf " CC $(subst $(shell pwd)/,,$(@))\n"
$(Q)$(CC) $(CFLAGS) -o $@ -c $<
clean:
@printf " CLEAN lib/stm32/f4\n"
$(Q)rm -f *.o *.d
$(Q)rm -f $(LIBNAME).a
.PHONY: clean
-include $(OBJS:.o=.d)

146
lib/stm32/f4/exti.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Mark Butler <mbutler@physics.otago.ac.nz>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/stm32/exti.h>
#include <libopencm3/stm32/f4/syscfg.h>
#include <libopencm3/stm32/f4/gpio.h>
void exti_set_trigger(u32 extis, exti_trigger_type trig)
{
switch (trig) {
case EXTI_TRIGGER_RISING:
EXTI_RTSR |= extis;
EXTI_FTSR &= ~extis;
break;
case EXTI_TRIGGER_FALLING:
EXTI_RTSR &= ~extis;
EXTI_FTSR |= extis;
break;
case EXTI_TRIGGER_BOTH:
EXTI_RTSR |= extis;
EXTI_FTSR |= extis;
break;
}
}
void exti_enable_request(u32 extis)
{
/* Enable interrupts. */
EXTI_IMR |= extis;
/* Enable events. */
EXTI_EMR |= extis;
}
void exti_disable_request(u32 extis)
{
/* Disable interrupts. */
EXTI_IMR &= ~extis;
/* Disable events. */
EXTI_EMR &= ~extis;
}
/*
* Reset the interrupt request by writing a 1 to the corresponding
* pending bit register.
*/
void exti_reset_request(u32 extis)
{
EXTI_PR = extis;
}
/*
* Remap an external interrupt line to the corresponding pin on the
* specified GPIO port.
*
* TODO: This could be rewritten in fewer lines of code.
*/
void exti_select_source(u32 exti, u32 gpioport)
{
u8 shift, bits;
shift = bits = 0;
switch (exti) {
case EXTI0:
case EXTI4:
case EXTI8:
case EXTI12:
shift = 0;
break;
case EXTI1:
case EXTI5:
case EXTI9:
case EXTI13:
shift = 4;
break;
case EXTI2:
case EXTI6:
case EXTI10:
case EXTI14:
shift = 8;
break;
case EXTI3:
case EXTI7:
case EXTI11:
case EXTI15:
shift = 12;
break;
}
switch (gpioport) {
case GPIOA:
bits = 0xf;
break;
case GPIOB:
bits = 0xe;
break;
case GPIOC:
bits = 0xd;
break;
case GPIOD:
bits = 0xc;
break;
case GPIOE:
bits = 0xb;
break;
case GPIOF:
bits = 0xa;
break;
case GPIOG:
bits = 0x9;
break;
}
/* Ensure that only valid EXTI lines are used. */
if (exti < EXTI4) {
SYSCFG_EXTICR1 &= ~(0x000F << shift);
SYSCFG_EXTICR1 |= (~bits << shift);
} else if (exti < EXTI8) {
SYSCFG_EXTICR2 &= ~(0x000F << shift);
SYSCFG_EXTICR2 |= (~bits << shift);
} else if (exti < EXTI12) {
SYSCFG_EXTICR3 &= ~(0x000F << shift);
SYSCFG_EXTICR3 |= (~bits << shift);
} else if (exti < EXTI16) {
SYSCFG_EXTICR4 &= ~(0x000F << shift);
SYSCFG_EXTICR4 |= (~bits << shift);
}
}

250
lib/stm32/f4/flash.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
* Copyright (C) 2010 Mark Butler <mbutler@physics.otago.ac.nz>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/stm32/f4/flash.h>
static inline void flash_set_program_size(u32 psize)
{
FLASH_CR &= ~(((1 << 0) | (1 << 1)) << 8);
FLASH_CR |= psize;
}
void flash_data_cache_enable(void)
{
FLASH_ACR |= FLASH_DCE;
}
void flash_dcache_disable(void)
{
FLASH_ACR &= ~FLASH_DCE;
}
void flash_icache_enable(void)
{
FLASH_ACR |= FLASH_ICE;
}
void flash_icache_disable(void)
{
FLASH_ACR &= ~FLASH_ICE;
}
void flash_prefetch_enable(void)
{
FLASH_ACR |= FLASH_PRFTEN;
}
void flash_prefetch_disable(void)
{
FLASH_ACR &= ~FLASH_PRFTEN;
}
void flash_dcache_reset(void)
{
FLASH_ACR |= FLASH_DCRST;
}
void flash_icache_reset(void)
{
FLASH_ACR |= FLASH_ICRST;
}
void flash_set_ws(u32 ws)
{
u32 reg32;
reg32 = FLASH_ACR;
reg32 &= ~((1 << 0) | (1 << 1) | (1 << 2));
reg32 |= ws;
FLASH_ACR = reg32;
}
void flash_unlock(void)
{
/* Authorize the FPEC access. */
FLASH_KEYR = FLASH_KEY1;
FLASH_KEYR = FLASH_KEY2;
}
void flash_lock(void)
{
FLASH_CR |= FLASH_LOCK;
}
void flash_clear_pgserr_flag(void)
{
FLASH_SR |= FLASH_PGSERR;
}
void flash_clear_pgperr_flag(void)
{
FLASH_SR |= FLASH_PGPERR;
}
void flash_clear_pgaerr_flag(void)
{
FLASH_SR |= FLASH_PGAERR;
}
void flash_clear_eop_flag(void)
{
FLASH_SR |= FLASH_EOP;
}
void flash_clear_wrperr_flag(void)
{
FLASH_SR |= FLASH_WRPERR;
}
void flash_clear_bsy_flag(void)
{
FLASH_SR &= ~FLASH_BSY;
}
void flash_clear_status_flags(void)
{
flash_clear_pgserr_flag();
flash_clear_pgperr_flag();
flash_clear_pgaerr_flag();
flash_clear_eop_flag();
flash_clear_wrperr_flag();
flash_clear_bsy_flag();
}
void flash_unlock_option_bytes(void)
{
FLASH_OPTKEYR = FLASH_OPTKEY1;
FLASH_OPTKEYR = FLASH_OPTKEY2;
}
void flash_lock_option_bytes(void)
{
FLASH_OPTCR |= FLASH_OPTLOCK;
}
void flash_wait_for_last_operation(void)
{
while ((FLASH_SR & FLASH_BSY) == FLASH_BSY)
;
}
void flash_program_double_word(u32 address, u64 data, u32 program_size)
{
/* Ensure that all flash operations are complete. */
flash_wait_for_last_operation();
flash_set_program_size(program_size);
/* Enable writes to flash. */
FLASH_CR |= FLASH_PG;
/* Program the first half of the word. */
MMIO64(address) = data;
/* Wait for the write to complete. */
flash_wait_for_last_operation();
/* Disable writes to flash. */
FLASH_CR &= ~FLASH_PG;
}
void flash_program_word(u32 address, u32 data, u32 program_size)
{
/* Ensure that all flash operations are complete. */
flash_wait_for_last_operation();
flash_set_program_size(program_size);
/* Enable writes to flash. */
FLASH_CR |= FLASH_PG;
/* Program the first half of the word. */
MMIO32(address) = data;
/* Wait for the write to complete. */
flash_wait_for_last_operation();
/* Disable writes to flash. */
FLASH_CR &= ~FLASH_PG;
}
void flash_program_half_word(u32 address, u16 data, u32 program_size)
{
flash_wait_for_last_operation();
flash_set_program_size(program_size);
FLASH_CR |= FLASH_PG;
MMIO16(address) = data;
flash_wait_for_last_operation();
FLASH_CR &= ~FLASH_PG; /* Disable the PG bit. */
}
void flash_program_byte(u32 address, u8 data, u32 program_size)
{
flash_wait_for_last_operation();
flash_set_program_size(program_size);
FLASH_CR |= FLASH_PG;
MMIO8(address) = data;
flash_wait_for_last_operation();
FLASH_CR &= ~FLASH_PG; /* Disable the PG bit. */
}
void flash_erase_sector(u32 sector, u32 program_size)
{
flash_wait_for_last_operation();
flash_set_program_size(program_size);
FLASH_CR &= ~(((1 << 0) | (1 << 1) | (1 << 2) | (1 << 3)) << 3);
FLASH_CR |= sector;
FLASH_CR |= FLASH_STRT;
flash_wait_for_last_operation();
FLASH_CR &= ~FLASH_SER;
FLASH_CR &= ~(((1 << 0) | (1 << 1) | (1 << 2) | (1 << 3)) << 3);
}
void flash_erase_all_sectors(u32 program_size)
{
flash_wait_for_last_operation();
flash_set_program_size(program_size);
FLASH_CR |= FLASH_MER; /* Enable mass erase. */
FLASH_CR |= FLASH_STRT; /* Trigger the erase. */
flash_wait_for_last_operation();
FLASH_CR &= ~FLASH_MER; /* Disable mass erase. */
}
void flash_program_option_bytes(u32 data)
{
flash_wait_for_last_operation();
if (FLASH_OPTCR & FLASH_OPTLOCK)
flash_unlock_option_bytes();
FLASH_OPTCR = data & ~0x3;
FLASH_OPTCR |= FLASH_OPTSTRT; /* Enable option byte programming. */
flash_wait_for_last_operation();
}

139
lib/stm32/f4/gpio.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/stm32/f4/gpio.h>
void gpio_mode_setup(u32 gpioport, u8 mode, u8 pull_up_down, u16 gpios)
{
u16 i;
u32 moder, pupd;
/*
* We want to set the config only for the pins mentioned in gpios,
* but keeping the others, so read out the actual config first.
*/
moder = GPIO_MODER(gpioport);
pupd = GPIO_PUPDR(gpioport);
for (i = 0; i < 16; i++) {
if (!((1 << i) & gpios))
continue;
moder &= ~GPIO_MODE_MASK(i);
moder |= GPIO_MODE(i, mode);
pupd &= ~GPIO_PUPD_MASK(i);
pupd |= GPIO_PUPD(i, pull_up_down);
}
/* Set mode and pull up/down control registers. */
GPIO_MODER(gpioport) = moder;
GPIO_PUPDR(gpioport) = pupd;
}
void gpio_set_output_options(u32 gpioport, u8 otype, u8 speed, u16 gpios)
{
u16 i;
u32 ospeedr;
if (otype == 0x1)
GPIO_OTYPER(gpioport) |= gpios;
else
GPIO_OTYPER(gpioport) &= ~gpios;
ospeedr = GPIO_OSPEEDR(gpioport);
for (i = 0; i < 16; i++) {
if (!((1 << i) & gpios))
continue;
ospeedr &= ~GPIO_OSPEED_MASK(i);
ospeedr |= GPIO_OSPEED(i, speed);
}
GPIO_OSPEEDR(gpioport) = ospeedr;
}
void gpio_set_af(u32 gpioport, u8 alt_func_num, u16 gpios)
{
u16 i;
u32 afrl, afrh;
afrl = GPIO_AFRL(gpioport);
afrh = GPIO_AFRH(gpioport);
for (i = 0; i < 8; i++) {
if (!((1 << i) & gpios))
continue;
afrl &= GPIO_AFR_MASK(i);
afrl |= GPIO_AFR(i, alt_func_num);
}
for (i = 8; i < 16; i++) {
if (!((1 << i) & gpios))
continue;
afrl &= GPIO_AFR_MASK(i-8);
afrh |= GPIO_AFR(i-8, alt_func_num);
}
GPIO_AFRL(gpioport) = afrl;
GPIO_AFRH(gpioport) = afrh;
}
void gpio_set(u32 gpioport, u16 gpios)
{
GPIO_BSRR(gpioport) = gpios;
}
void gpio_clear(u32 gpioport, u16 gpios)
{
GPIO_BSRR(gpioport) = gpios << 16;
}
u16 gpio_get(u32 gpioport, u16 gpios)
{
return gpio_port_read(gpioport) & gpios;
}
void gpio_toggle(u32 gpioport, u16 gpios)
{
GPIO_ODR(gpioport) = GPIO_IDR(gpioport) ^ gpios;
}
u16 gpio_port_read(u32 gpioport)
{
return (u16)GPIO_IDR(gpioport);
}
void gpio_port_write(u32 gpioport, u16 data)
{
GPIO_ODR(gpioport) = data;
}
void gpio_port_config_lock(u32 gpioport, u16 gpios)
{
u32 reg32;
/* Special "Lock Key Writing Sequence", see datasheet. */
GPIO_LCKR(gpioport) = GPIO_LCKK | gpios; /* Set LCKK. */
GPIO_LCKR(gpioport) = ~GPIO_LCKK & gpios; /* Clear LCKK. */
GPIO_LCKR(gpioport) = GPIO_LCKK | gpios; /* Set LCKK. */
reg32 = GPIO_LCKR(gpioport); /* Read LCKK. */
reg32 = GPIO_LCKR(gpioport); /* Read LCKK again. */
/* If (reg32 & GPIO_LCKK) is true, the lock is now active. */
}

63
lib/stm32/f4/libopencm3_stm32f4.ld Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* Generic linker script for STM32 targets using libopencm3. */
/* Memory regions must be defined in the ld script which includes this one. */
/* Enforce emmition of the vector table. */
EXTERN (vector_table)
/* Define sections. */
SECTIONS
{
. = ORIGIN(rom);
.text : {
*(.vectors) /* Vector table */
*(.text*) /* Program code */
*(.rodata*) /* Read-only data */
_etext = .;
} >rom
. = ORIGIN(ram);
.data : {
_data = .;
*(.data*) /* Read-write initialized data */
_edata = .;
} >ram AT >rom
.bss : {
*(.bss*) /* Read-write zero initialized data */
*(COMMON)
_ebss = .;
} >ram AT >rom
/*
* The .eh_frame section appears to be used for C++ exception handling.
* You may need to fix this if you're using C++.
*/
/DISCARD/ : { *(.eh_frame) }
end = .;
}
PROVIDE(_stack = 0x20000800);

28
lib/stm32/f4/pwr.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Stephen Caudle <scaudle@doceme.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/stm32/f4/pwr.h>
void pwr_set_vos_scale(vos_scale_t scale)
{
if (scale == SCALE1)
PWR_CR |= PWR_CR_VOS;
else if (scale == SCALE2)
PWR_CR &= PWR_CR_VOS;
}

434
lib/stm32/f4/rcc.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2009 Federico Ruiz-Ugalde <memeruiz at gmail dot com>
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/stm32/f4/rcc.h>
#include <libopencm3/stm32/f4/pwr.h>
#include <libopencm3/stm32/f4/flash.h>
/* Set the default ppre1 and ppre2 peripheral clock frequencies after reset */
u32 rcc_ppre1_frequency = 16000000;
u32 rcc_ppre2_frequency = 16000000;
const clock_scale_t hse_8mhz_3v3[CLOCK_3V3_END] =
{
{ /* 120MHz */
.pllm = 8,
.plln = 240,
.pllp = 2,
.pllq = 5,
.hpre = RCC_CFGR_HPRE_DIV_NONE,
.ppre1 = RCC_CFGR_HPRE_DIV_4,
.ppre2 = RCC_CFGR_HPRE_DIV_2,
.flash_config = FLASH_ICE | FLASH_DCE | FLASH_LATENCY_3WS,
.apb1_frequency = 30000000,
.apb2_frequency = 60000000,
},
{ /* 168MHz */
.pllm = 8,
.plln = 336,
.pllp = 2,
.pllq = 7,
.hpre = RCC_CFGR_HPRE_DIV_NONE,
.ppre1 = RCC_CFGR_HPRE_DIV_4,
.ppre2 = RCC_CFGR_HPRE_DIV_2,
.flash_config = FLASH_ICE | FLASH_DCE | FLASH_LATENCY_5WS,
.apb1_frequency = 30000000,
.apb2_frequency = 60000000,
},
};
void rcc_osc_ready_int_clear(osc_t osc)
{
switch (osc) {
case PLL:
RCC_CIR |= RCC_CIR_PLLRDYC;
break;
case HSE:
RCC_CIR |= RCC_CIR_HSERDYC;
break;
case HSI:
RCC_CIR |= RCC_CIR_HSIRDYC;
break;
case LSE:
RCC_CIR |= RCC_CIR_LSERDYC;
break;
case LSI:
RCC_CIR |= RCC_CIR_LSIRDYC;
break;
}
}
void rcc_osc_ready_int_enable(osc_t osc)
{
switch (osc) {
case PLL:
RCC_CIR |= RCC_CIR_PLLRDYIE;
break;
case HSE:
RCC_CIR |= RCC_CIR_HSERDYIE;
break;
case HSI:
RCC_CIR |= RCC_CIR_HSIRDYIE;
break;
case LSE:
RCC_CIR |= RCC_CIR_LSERDYIE;
break;
case LSI:
RCC_CIR |= RCC_CIR_LSIRDYIE;
break;
}
}
void rcc_osc_ready_int_disable(osc_t osc)
{
switch (osc) {
case PLL:
RCC_CIR &= ~RCC_CIR_PLLRDYIE;
break;
case HSE:
RCC_CIR &= ~RCC_CIR_HSERDYIE;
break;
case HSI:
RCC_CIR &= ~RCC_CIR_HSIRDYIE;
break;
case LSE:
RCC_CIR &= ~RCC_CIR_LSERDYIE;
break;
case LSI:
RCC_CIR &= ~RCC_CIR_LSIRDYIE;
break;
}
}
int rcc_osc_ready_int_flag(osc_t osc)
{
switch (osc) {
case PLL:
return ((RCC_CIR & RCC_CIR_PLLRDYF) != 0);
break;
case HSE:
return ((RCC_CIR & RCC_CIR_HSERDYF) != 0);
break;
case HSI:
return ((RCC_CIR & RCC_CIR_HSIRDYF) != 0);
break;
case LSE:
return ((RCC_CIR & RCC_CIR_LSERDYF) != 0);
break;
case LSI:
return ((RCC_CIR & RCC_CIR_LSIRDYF) != 0);
break;
}
/* Shouldn't be reached. */
return -1;
}
void rcc_css_int_clear(void)
{
RCC_CIR |= RCC_CIR_CSSC;
}
int rcc_css_int_flag(void)
{
return ((RCC_CIR & RCC_CIR_CSSF) != 0);
}
void rcc_wait_for_osc_ready(osc_t osc)
{
switch (osc) {
case PLL:
while ((RCC_CR & RCC_CR_PLLRDY) == 0);
break;
case HSE:
while ((RCC_CR & RCC_CR_HSERDY) == 0);
break;
case HSI:
while ((RCC_CR & RCC_CR_HSIRDY) == 0);
break;
case LSE:
while ((RCC_BDCR & RCC_BDCR_LSERDY) == 0);
break;
case LSI:
while ((RCC_CSR & RCC_CSR_LSIRDY) == 0);
break;
}
}
void rcc_wait_for_sysclk_status(osc_t osc)
{
switch (osc) {
case PLL:
while ((RCC_CFGR & ((1 << 1) | (1 << 0))) != RCC_CFGR_SWS_PLL);
break;
case HSE:
while ((RCC_CFGR & ((1 << 1) | (1 << 0))) != RCC_CFGR_SWS_HSE);
break;
case HSI:
while ((RCC_CFGR & ((1 << 1) | (1 << 0))) != RCC_CFGR_SWS_HSI);
break;
default:
/* Shouldn't be reached. */
break;
}
}
void rcc_osc_on(osc_t osc)
{
switch (osc) {
case PLL:
RCC_CR |= RCC_CR_PLLON;
break;
case HSE:
RCC_CR |= RCC_CR_HSEON;
break;
case HSI:
RCC_CR |= RCC_CR_HSION;
break;
case LSE:
RCC_BDCR |= RCC_BDCR_LSEON;
break;
case LSI:
RCC_CSR |= RCC_CSR_LSION;
break;
}
}
void rcc_osc_off(osc_t osc)
{
switch (osc) {
case PLL:
RCC_CR &= ~RCC_CR_PLLON;
break;
case HSE:
RCC_CR &= ~RCC_CR_HSEON;
break;
case HSI:
RCC_CR &= ~RCC_CR_HSION;
break;
case LSE:
RCC_BDCR &= ~RCC_BDCR_LSEON;
break;
case LSI:
RCC_CSR &= ~RCC_CSR_LSION;
break;
}
}
void rcc_css_enable(void)
{
RCC_CR |= RCC_CR_CSSON;
}
void rcc_css_disable(void)
{
RCC_CR &= ~RCC_CR_CSSON;
}
void rcc_osc_bypass_enable(osc_t osc)
{
switch (osc) {
case HSE:
RCC_CR |= RCC_CR_HSEBYP;
break;
case LSE:
RCC_BDCR |= RCC_BDCR_LSEBYP;
break;
case PLL:
case HSI:
case LSI:
/* Do nothing, only HSE/LSE allowed here. */
break;
}
}
void rcc_osc_bypass_disable(osc_t osc)
{
switch (osc) {
case HSE:
RCC_CR &= ~RCC_CR_HSEBYP;
break;
case LSE:
RCC_BDCR &= ~RCC_BDCR_LSEBYP;
break;
case PLL:
case HSI:
case LSI:
/* Do nothing, only HSE/LSE allowed here. */
break;
}
}
void rcc_peripheral_enable_clock(volatile u32 *reg, u32 en)
{
*reg |= en;
}
void rcc_peripheral_disable_clock(volatile u32 *reg, u32 en)
{
*reg &= ~en;
}
void rcc_peripheral_reset(volatile u32 *reg, u32 reset)
{
*reg |= reset;
}
void rcc_peripheral_clear_reset(volatile u32 *reg, u32 clear_reset)
{
*reg &= ~clear_reset;
}
void rcc_set_sysclk_source(u32 clk)
{
u32 reg32;
reg32 = RCC_CFGR;
reg32 &= ~((1 << 1) | (1 << 0));
RCC_CFGR = (reg32 | clk);
}
void rcc_set_pll_source(u32 pllsrc)
{
u32 reg32;
reg32 = RCC_PLLCFGR;
reg32 &= ~(1 << 22);
RCC_PLLCFGR = (reg32 | (pllsrc << 22));
}
void rcc_set_ppre2(u32 ppre2)
{
u32 reg32;
reg32 = RCC_CFGR;
reg32 &= ~((1 << 11) | (1 << 12) | (1 << 13));
RCC_CFGR = (reg32 | (ppre2 << 11));
}
void rcc_set_ppre1(u32 ppre1)
{
u32 reg32;
reg32 = RCC_CFGR;
reg32 &= ~((1 << 8) | (1 << 9) | (1 << 10));
RCC_CFGR = (reg32 | (ppre1 << 8));
}
void rcc_set_hpre(u32 hpre)
{
u32 reg32;
reg32 = RCC_CFGR;
reg32 &= ~((1 << 4) | (1 << 5) | (1 << 6) | (1 << 7));
RCC_CFGR = (reg32 | (hpre << 4));
}
void rcc_set_rtcpre(u32 rtcpre)
{
u32 reg32;
reg32 = RCC_CFGR;
reg32 &= ~((1 << 16) | (1 << 17) | (1 << 18) | (1 << 19) | (1 << 20));
RCC_CFGR = (reg32 | (rtcpre << 16));
}
void rcc_set_main_pll_hsi(u32 pllm, u32 plln, u32 pllp, u32 pllq)
{
RCC_PLLCFGR = (pllm << RCC_PLLCFGR_PLLM_SHIFT) |
(plln << RCC_PLLCFGR_PLLN_SHIFT) |
(((pllp >> 1) - 1) << RCC_PLLCFGR_PLLP_SHIFT) |
(pllq << RCC_PLLCFGR_PLLQ_SHIFT);
}
void rcc_set_main_pll_hse(u32 pllm, u32 plln, u32 pllp, u32 pllq)
{
RCC_PLLCFGR = (pllm << RCC_PLLCFGR_PLLM_SHIFT) |
(plln << RCC_PLLCFGR_PLLN_SHIFT) |
(((pllp >> 1) - 1) << RCC_PLLCFGR_PLLP_SHIFT) |
RCC_PLLCFGR_PLLSRC |
(pllq << RCC_PLLCFGR_PLLQ_SHIFT);
}
u32 rcc_system_clock_source(void)
{
/* Return the clock source which is used as system clock. */
return ((RCC_CFGR & 0x000c) >> 2);
}
void rcc_clock_setup_hse_3v3(const clock_scale_t *clock)
{
/* Enable internal high-speed oscillator. */
rcc_osc_on(HSI);
rcc_wait_for_osc_ready(HSI);
/* Select HSI as SYSCLK source. */
rcc_set_sysclk_source(RCC_CFGR_SW_HSI);
/* Enable external high-speed oscillator 8MHz. */
rcc_osc_on(HSE);
rcc_wait_for_osc_ready(HSE);
/* Enable/disable high performance mode */
if (!clock->power_save)
pwr_set_vos_scale(SCALE1);
else
pwr_set_vos_scale(SCALE2);
/*
* Set prescalers for AHB, ADC, ABP1, ABP2.
* Do this before touching the PLL (TODO: why?).
*/
rcc_set_hpre(clock->hpre);
rcc_set_ppre1(clock->ppre1);
rcc_set_ppre2(clock->ppre2);
rcc_set_main_pll_hse(clock->pllm,
clock->plln,
clock->pllp,
clock->pllq);
/* Enable PLL oscillator and wait for it to stabilize. */
rcc_osc_on(PLL);
rcc_wait_for_osc_ready(PLL);
/* Configure flash settings */
flash_set_ws(clock->flash_config);
/* Select PLL as SYSCLK source. */
rcc_set_sysclk_source(RCC_CFGR_SW_PLL);
/* Wait for PLL clock to be selected. */
rcc_wait_for_sysclk_status(PLL);
/* Set the peripheral clock frequencies used */
rcc_ppre1_frequency = clock->apb1_frequency;
rcc_ppre2_frequency = clock->apb2_frequency;
}
void rcc_backupdomain_reset(void)
{
/* Set the backup domain software reset. */
RCC_BDCR |= RCC_BDCR_BDRST;
/* Clear the backup domain software reset. */
RCC_BDCR &= ~RCC_BDCR_BDRST;
}

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lib/stm32/f4/scb.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/stm32/f4/scb.h>
void scb_reset_core(void)
{
SCB_AIRCR = SCB_AIRCR_VECTKEY | SCB_AIRCR_VECTRESET;
}
void scb_reset_system(void)
{
SCB_AIRCR = SCB_AIRCR_VECTKEY | SCB_AIRCR_SYSRESETREQ;
}

336
lib/stm32/f4/vector.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define WEAK __attribute__ ((weak))
/* Symbols exported by linker script */
extern unsigned _etext, _data, _edata, _ebss, _stack;
void main(void);
void reset_handler(void);
void blocking_handler(void);
void null_handler(void);
void WEAK reset_handler(void);
void WEAK nmi_handler(void);
void WEAK hard_fault_handler(void);
void WEAK mem_manage_handler(void);
void WEAK bus_fault_handler(void);
void WEAK usage_fault_handler(void);
void WEAK sv_call_handler(void);
void WEAK debug_monitor_handler(void);
void WEAK pend_sv_handler(void);
void WEAK sys_tick_handler(void);
void WEAK wwdg_isr(void);
void WEAK pvd_isr(void);
void WEAK tamp_stamp_isr(void);
void WEAK rtc_wkup_isr(void);
void WEAK flash_isr(void);
void WEAK rcc_isr(void);
void WEAK exti0_isr(void);
void WEAK exti1_isr(void);
void WEAK exti2_isr(void);
void WEAK exti3_isr(void);
void WEAK exti4_isr(void);
void WEAK dma1_stream0_isr(void);
void WEAK dma1_stream1_isr(void);
void WEAK dma1_stream2_isr(void);
void WEAK dma1_stream3_isr(void);
void WEAK dma1_stream4_isr(void);
void WEAK dma1_stream5_isr(void);
void WEAK dma1_stream6_isr(void);
void WEAK adc_isr(void);
void WEAK can1_tx_isr(void);
void WEAK can1_rx0_isr(void);
void WEAK can1_rx1_isr(void);
void WEAK can1_sce_isr(void);
void WEAK exti9_5_isr(void);
void WEAK tim1_brk_tim9_isr(void);
void WEAK tim1_up_tim10_isr(void);
void WEAK tim1_trg_com_tim11_isr(void);
void WEAK tim1_cc_isr(void);
void WEAK tim2_isr(void);
void WEAK tim3_isr(void);
void WEAK tim4_isr(void);
void WEAK i2c1_ev_isr(void);
void WEAK i2c1_er_isr(void);
void WEAK i2c2_ev_isr(void);
void WEAK i2c2_er_isr(void);
void WEAK spi1_isr(void);
void WEAK spi2_isr(void);
void WEAK usart1_isr(void);
void WEAK usart2_isr(void);
void WEAK usart3_isr(void);
void WEAK exti15_10_isr(void);
void WEAK rtc_alarm_isr(void);
void WEAK usb_fs_wkup_isr(void);
void WEAK tim8_brk_tim12_isr(void);
void WEAK tim8_up_tim13_isr(void);
void WEAK tim8_trg_com_tim14_isr(void);
void WEAK tim8_cc_isr(void);
void WEAK dma1_stream7_isr(void);
void WEAK fsmc_isr(void);
void WEAK sdio_isr(void);
void WEAK tim5_isr(void);
void WEAK spi3_isr(void);
void WEAK usart4_isr(void);
void WEAK usart5_isr(void);
void WEAK tim6_dac_isr(void);
void WEAK tim7_isr(void);
void WEAK dma2_stream0_isr(void);
void WEAK dma2_stream1_isr(void);
void WEAK dma2_stream2_isr(void);
void WEAK dma2_stream3_isr(void);
void WEAK dma2_stream4_isr(void);
void WEAK eth_isr(void);
void WEAK eth_wkup_isr(void);
void WEAK can2_tx_isr(void);
void WEAK can2_rx0_isr(void);
void WEAK can2_rx1_isr(void);
void WEAK can2_sce_isr(void);
void WEAK otg_fs_isr(void);
void WEAK dma2_stream5_isr(void);
void WEAK dma2_stream6_isr(void);
void WEAK dma2_stream7_isr(void);
void WEAK usart6_isr(void);
void WEAK i2c3_ev_isr(void);
void WEAK i2c3_er_isr(void);
void WEAK otg_hs_ep1_out_isr(void);
void WEAK otg_hs_ep1_in_isr(void);
void WEAK otg_hs_wkup_isr(void);
void WEAK otg_hs_isr(void);
void WEAK dcmi_isr(void);
void WEAK cryp_isr(void);
void WEAK hash_rng_isr(void);
__attribute__ ((section(".vectors")))
void (*const vector_table[]) (void) = {
(void*)&_stack,
reset_handler,
nmi_handler,
hard_fault_handler,
mem_manage_handler,
bus_fault_handler,
usage_fault_handler,
0, 0, 0, 0, /* Reserved */
sv_call_handler,
debug_monitor_handler,
0, /* Reserved */
pend_sv_handler,
sys_tick_handler,
wwdg_isr,
pvd_isr,
tamp_stamp_isr,
rtc_wkup_isr,
flash_isr,
rcc_isr,
exti0_isr,
exti1_isr,
exti2_isr,
exti3_isr,
exti4_isr,
dma1_stream0_isr,
dma1_stream1_isr,
dma1_stream2_isr,
dma1_stream3_isr,
dma1_stream4_isr,
dma1_stream5_isr,
dma1_stream6_isr,
adc_isr,
can1_tx_isr,
can1_rx0_isr,
can1_rx1_isr,
can1_sce_isr,
exti9_5_isr,
tim1_brk_tim9_isr,
tim1_up_tim10_isr,
tim1_trg_com_tim11_isr,
tim1_cc_isr,
tim2_isr,
tim3_isr,
tim4_isr,
i2c1_ev_isr,
i2c1_er_isr,
i2c2_ev_isr,
i2c2_er_isr,
spi1_isr,
spi2_isr,
usart1_isr,
usart2_isr,
usart3_isr,
exti15_10_isr,
rtc_alarm_isr,
usb_fs_wkup_isr,
tim8_brk_tim12_isr,
tim8_up_tim13_isr,
tim8_trg_com_tim14_isr,
tim8_cc_isr,
dma1_stream7_isr,
fsmc_isr,
sdio_isr,
tim5_isr,
spi3_isr,
usart4_isr,
usart5_isr,
tim6_dac_isr,
tim7_isr,
dma2_stream0_isr,
dma2_stream1_isr,
dma2_stream2_isr,
dma2_stream3_isr,
dma2_stream4_isr,
eth_isr,
eth_wkup_isr,
can2_tx_isr,
can2_rx0_isr,
can2_rx1_isr,
can2_sce_isr,
otg_fs_isr,
dma2_stream5_isr,
dma2_stream6_isr,
dma2_stream7_isr,
usart6_isr,
i2c3_ev_isr,
i2c3_er_isr,
otg_hs_ep1_out_isr,
otg_hs_ep1_in_isr,
otg_hs_wkup_isr,
otg_hs_isr,
dcmi_isr,
cryp_isr,
hash_rng_isr,
};
void reset_handler(void)
{
volatile unsigned *src, *dest;
asm("MSR msp, %0" : : "r"(&_stack));
for (src = &_etext, dest = &_data; dest < &_edata; src++, dest++)
*dest = *src;
while (dest < &_ebss)
*dest++ = 0;
/* Call the application's entry point. */
main();
}
void blocking_handler(void)
{
while (1) ;
}
void null_handler(void)
{
/* Do nothing. */
}
#pragma weak nmi_handler = null_handler
#pragma weak hard_fault_handler = blocking_handler
#pragma weak mem_manage_handler = blocking_handler
#pragma weak bus_fault_handler = blocking_handler
#pragma weak usage_fault_handler = blocking_handler
#pragma weak sv_call_handler = null_handler
#pragma weak debug_monitor_handler = null_handler
#pragma weak pend_sv_handler = null_handler
#pragma weak sys_tick_handler = null_handler
#pragma weak wwdg_isr = null_handler
#pragma weak pvd_isr = null_handler
#pragma weak tamp_stamp_isr = null_handler
#pragma weak rtc_wkup_isr = null_handler
#pragma weak flash_isr = null_handler
#pragma weak rcc_isr = null_handler
#pragma weak exti0_isr = null_handler
#pragma weak exti1_isr = null_handler
#pragma weak exti2_isr = null_handler
#pragma weak exti3_isr = null_handler
#pragma weak exti4_isr = null_handler
#pragma weak dma1_stream0_isr = null_handler
#pragma weak dma1_stream1_isr = null_handler
#pragma weak dma1_stream2_isr = null_handler
#pragma weak dma1_stream3_isr = null_handler
#pragma weak dma1_stream4_isr = null_handler
#pragma weak dma1_stream5_isr = null_handler
#pragma weak dma1_stream6_isr = null_handler
#pragma weak adc_isr = null_handler
#pragma weak can1_tx_isr = null_handler
#pragma weak can1_rx0_isr = null_handler
#pragma weak can1_rx1_isr = null_handler
#pragma weak can1_sce_isr = null_handler
#pragma weak exti9_5_isr = null_handler
#pragma weak tim1_brk_tim9_isr = null_handler
#pragma weak tim1_up_tim10_isr = null_handler
#pragma weak tim1_trg_com_tim11_isr = null_handler
#pragma weak tim1_cc_isr = null_handler
#pragma weak tim2_isr = null_handler
#pragma weak tim3_isr = null_handler
#pragma weak tim4_isr = null_handler
#pragma weak i2c1_ev_isr = null_handler
#pragma weak i2c1_er_isr = null_handler
#pragma weak i2c2_ev_isr = null_handler
#pragma weak i2c2_er_isr = null_handler
#pragma weak spi1_isr = null_handler
#pragma weak spi2_isr = null_handler
#pragma weak usart1_isr = null_handler
#pragma weak usart2_isr = null_handler
#pragma weak usart3_isr = null_handler
#pragma weak exti15_10_isr = null_handler
#pragma weak rtc_alarm_isr = null_handler
#pragma weak usb_fs_wkup_isr = null_handler
#pragma weak tim8_brk_tim12_isr = null_handler
#pragma weak tim8_up_tim13_isr = null_handler
#pragma weak tim8_trg_com_tim14_isr = null_handler
#pragma weak tim8_cc_isr = null_handler
#pragma weak dma1_stream7_isr = null_handler
#pragma weak fsmc_isr = null_handler
#pragma weak sdio_isr = null_handler
#pragma weak tim5_isr = null_handler
#pragma weak spi3_isr = null_handler
#pragma weak usart4_isr = null_handler
#pragma weak usart5_isr = null_handler
#pragma weak tim6_dac_isr = null_handler
#pragma weak tim7_isr = null_handler
#pragma weak dma2_stream0_isr = null_handler
#pragma weak dma2_stream1_isr = null_handler
#pragma weak dma2_stream2_isr = null_handler
#pragma weak dma2_stream3_isr = null_handler
#pragma weak dma2_stream4_isr = null_handler
#pragma weak eth_isr = null_handler
#pragma weak eth_wkup_isr = null_handler
#pragma weak can2_tx_isr = null_handler
#pragma weak can2_rx0_isr = null_handler
#pragma weak can2_rx1_isr = null_handler
#pragma weak can2_sce_isr = null_handler
#pragma weak otg_fs_isr = null_handler
#pragma weak dma2_stream5_isr = null_handler
#pragma weak dma2_stream6_isr = null_handler
#pragma weak dma2_stream7_isr = null_handler
#pragma weak usart6_isr = null_handler
#pragma weak i2c3_ev_isr = null_handler
#pragma weak i2c3_er_isr = null_handler
#pragma weak otg_hs_ep1_out_isr = null_handler
#pragma weak otg_hs_ep1_in_isr = null_handler
#pragma weak otg_hs_wkup_isr = null_handler
#pragma weak otg_hs_isr = null_handler
#pragma weak dcmi_isr = null_handler
#pragma weak cryp_isr = null_handler
#pragma weak hash_rng_isr = null_handler