/* * This file is part of the Black Magic Debug project. * * Copyright (C) 2011 Black Sphere Technologies Ltd. * Written by Gareth McMullin * * 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 . */ /* This file implements the platform specific functions for the STM32 * implementation. */ #ifndef __PLATFORM_H #define __PLATFORM_H #include "gpio.h" #include "timing.h" #include "timing_stm32.h" #define PLATFORM_HAS_TRACESWO #define PLATFORM_HAS_POWER_SWITCH #ifdef ENABLE_DEBUG #define PLATFORM_HAS_DEBUG #define USBUART_DEBUG #endif #define BOARD_IDENT "Black Magic Probe" #define BOARD_IDENT_DFU "Black Magic Probe (Upgrade)" #define BOARD_IDENT_UPD "Black Magic Probe (DFU Upgrade)" #define DFU_IDENT "Black Magic Firmware Upgrade" #define UPD_IFACE_STRING "@Internal Flash /0x08000000/8*001Kg" #define SCB_RESET() scb_reset_core(); /* Important pin mappings for STM32 implementation: * * LED0 = PB2 (Yellow LED : Running) * LED1 = PB10 (Yellow LED : Idle) * LED2 = PB11 (Red LED : Error) * * TPWR = RB0 (input) -- analogue on mini design ADC1, ch8 * nTRST = PB1 (output) [blackmagic] * PWR_BR = PB1 (output) [blackmagic_mini] -- supply power to the target, active low * TMS_DIR = PA1 (output) [blackmagic_mini v2.1] -- choose direction of the TCK pin, input low, output high * SRST_OUT = PA2 (output) * TDI = PA3 (output) * TMS = PA4 (input/output for SWDIO) * TCK = PA5 (output SWCLK) * TDO = PA6 (input) * nSRST = PA7 (input) * * USB cable pull-up: PA8 * USB VBUS detect: PB13 -- New on mini design. * Enable pull up for compatibility. * Force DFU mode button: PB12 */ /* Hardware definitions... */ #define JTAG_PORT GPIOA #define TDI_PORT JTAG_PORT #define TMS_DIR_PORT JTAG_PORT #define TMS_PORT JTAG_PORT #define TCK_PORT JTAG_PORT #define TDO_PORT JTAG_PORT #define TDI_PIN GPIO3 #define TMS_DIR_PIN GPIO1 #define TMS_PIN GPIO4 #define TCK_PIN GPIO5 #define TDO_PIN GPIO6 #define SWDIO_DIR_PORT JTAG_PORT #define SWDIO_PORT JTAG_PORT #define SWCLK_PORT JTAG_PORT #define SWDIO_DIR_PIN TMS_DIR_PIN #define SWDIO_PIN TMS_PIN #define SWCLK_PIN TCK_PIN #define TRST_PORT GPIOB #define TRST_PIN GPIO1 #define PWR_BR_PORT GPIOB #define PWR_BR_PIN GPIO1 #define SRST_PORT GPIOA #define SRST_PIN GPIO2 #define SRST_SENSE_PORT GPIOA #define SRST_SENSE_PIN GPIO7 #define USB_PU_PORT GPIOA #define USB_PU_PIN GPIO8 #define USB_VBUS_PORT GPIOB #define USB_VBUS_PIN GPIO13 #define USB_VBUS_IRQ NVIC_EXTI15_10_IRQ #define LED_PORT GPIOB #define LED_PORT_UART GPIOB #define LED_0 GPIO2 #define LED_1 GPIO10 #define LED_2 GPIO11 #define LED_UART LED_0 #define LED_IDLE_RUN LED_1 #define LED_ERROR LED_2 #define TMS_SET_MODE() do { \ gpio_set(TMS_DIR_PORT, TMS_DIR_PIN); \ gpio_set_mode(TMS_PORT, GPIO_MODE_OUTPUT_50_MHZ, \ GPIO_CNF_OUTPUT_PUSHPULL, TMS_PIN); \ } while(0) #define SWDIO_MODE_FLOAT() do { \ gpio_set_mode(SWDIO_PORT, GPIO_MODE_INPUT, \ GPIO_CNF_INPUT_FLOAT, SWDIO_PIN); \ gpio_clear(SWDIO_DIR_PORT, SWDIO_DIR_PIN); \ } while(0) #define SWDIO_MODE_DRIVE() do { \ gpio_set(SWDIO_DIR_PORT, SWDIO_DIR_PIN); \ gpio_set_mode(SWDIO_PORT, GPIO_MODE_OUTPUT_50_MHZ, \ GPIO_CNF_OUTPUT_PUSHPULL, SWDIO_PIN); \ } while(0) #define UART_PIN_SETUP() do { \ gpio_set_mode(USBUSART_PORT, GPIO_MODE_OUTPUT_2_MHZ, \ GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, USBUSART_TX_PIN); \ } while(0) #define USB_DRIVER st_usbfs_v1_usb_driver #define USB_IRQ NVIC_USB_LP_CAN_RX0_IRQ #define USB_ISR usb_lp_can_rx0_isr /* Interrupt priorities. Low numbers are high priority. * For now USART1 preempts USB which may spin while buffer is drained. * TIM3 is used for traceswo capture and must be highest priority. */ #define IRQ_PRI_USB (2 << 4) #define IRQ_PRI_USBUSART (1 << 4) #define IRQ_PRI_USBUSART_TIM (3 << 4) #define IRQ_PRI_USB_VBUS (14 << 4) #define IRQ_PRI_TRACE (0 << 4) #define USBUSART USART1 #define USBUSART_CR1 USART1_CR1 #define USBUSART_IRQ NVIC_USART1_IRQ #define USBUSART_CLK RCC_USART1 #define USBUSART_PORT GPIOA #define USBUSART_TX_PIN GPIO9 #define USBUSART_ISR usart1_isr #define USBUSART_TIM TIM4 #define USBUSART_TIM_CLK_EN() rcc_periph_clock_enable(RCC_TIM4) #define USBUSART_TIM_IRQ NVIC_TIM4_IRQ #define USBUSART_TIM_ISR tim4_isr #define TRACE_TIM TIM3 #define TRACE_TIM_CLK_EN() rcc_periph_clock_enable(RCC_TIM3) #define TRACE_IRQ NVIC_TIM3_IRQ #define TRACE_ISR tim3_isr #ifdef ENABLE_DEBUG extern bool debug_bmp; int usbuart_debug_write(const char *buf, size_t len); #define DEBUG printf #else #define DEBUG(...) #endif #define SET_RUN_STATE(state) {running_status = (state);} #define SET_IDLE_STATE(state) {gpio_set_val(LED_PORT, LED_IDLE_RUN, state);} #define SET_ERROR_STATE(state) {gpio_set_val(LED_PORT, LED_ERROR, state);} /* Use newlib provided integer only stdio functions */ #define sscanf siscanf #define sprintf siprintf #define snprintf sniprintf #define vasprintf vasiprintf #endif