51ac0fe319
I was stuck trying to debug the issue why my probe would not find any attached targets. This is because I was doing the pin mapping as per the comments, and not the actual code. There is a mismatch! This PR updates the comment to reflect the values set in code. :)
143 lines
4.5 KiB
C
143 lines
4.5 KiB
C
/*
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* This file is part of the Black Magic Debug project.
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*
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* Copyright (C) 2011 Black Sphere Technologies Ltd.
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* Written by Gareth McMullin <gareth@blacksphere.co.nz>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* This file implements the platform specific functions for the STM32
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* implementation.
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*/
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#ifndef __PLATFORM_H
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#define __PLATFORM_H
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#include "gpio.h"
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#include "timing.h"
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#include "timing_stm32.h"
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#include "version.h"
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#include <libopencm3/cm3/common.h>
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#include <libopencm3/stm32/f1/memorymap.h>
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#include <libopencm3/usb/usbd.h>
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#define BOARD_IDENT "Black Magic Probe (STLINK), (Firmware " FIRMWARE_VERSION ")"
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#define BOARD_IDENT_DFU "Black Magic (Upgrade) for STLink/Discovery, (Firmware " FIRMWARE_VERSION ")"
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#define BOARD_IDENT_UPD "Black Magic (DFU Upgrade) for STLink/Discovery, (Firmware " FIRMWARE_VERSION ")"
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#define DFU_IDENT "Black Magic Firmware Upgrade (STLINK)"
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#define DFU_IFACE_STRING "@Internal Flash /0x08000000/8*001Ka,56*001Kg"
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#define UPD_IFACE_STRING "@Internal Flash /0x08000000/8*001Kg"
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/* Important pin mappings for STM32 implementation:
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*
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* LED0 = PB2 (Yellow LED : Running)
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* LED1 = PB10 (Yellow LED : Idle)
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* LED2 = PB11 (Red LED : Error)
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*
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* TPWR = RB0 (input) -- analogue on mini design ADC1, ch8
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* nTRST = PB1
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* SRST_OUT = PA2
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* TDI = PA7
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* TMS = PB14 (input for SWDP)
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* TCK = PA5
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* TDO = PA6 (input)
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* nSRST = PB0 (input)
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*
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* USB cable pull-up: PA8
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* USB VBUS detect: PB13 -- New on mini design.
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* Enable pull up for compatibility.
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* Force DFU mode button: PB12
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*/
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/* Hardware definitions... */
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#define TDI_PORT GPIOA
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#define TMS_PORT GPIOB
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#define TCK_PORT GPIOA
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#define TDO_PORT GPIOA
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#define TDI_PIN GPIO7
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#define TMS_PIN GPIO14
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#define TCK_PIN GPIO5
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#define TDO_PIN GPIO6
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#define SWDIO_PORT TMS_PORT
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#define SWCLK_PORT TCK_PORT
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#define SWDIO_PIN TMS_PIN
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#define SWCLK_PIN TCK_PIN
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#define SRST_PORT GPIOB
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#define SRST_PIN_V1 GPIO1
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#define SRST_PIN_V2 GPIO0
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#define LED_PORT GPIOA
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/* Use PC14 for a "dummy" uart led. So we can observere at least with scope*/
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#define LED_PORT_UART GPIOC
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#define LED_UART GPIO14
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#define TMS_SET_MODE() \
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gpio_set_mode(TMS_PORT, GPIO_MODE_OUTPUT_50_MHZ, \
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GPIO_CNF_OUTPUT_PUSHPULL, TMS_PIN);
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#define SWDIO_MODE_FLOAT() \
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gpio_set_mode(SWDIO_PORT, GPIO_MODE_INPUT, \
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GPIO_CNF_INPUT_FLOAT, SWDIO_PIN);
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#define SWDIO_MODE_DRIVE() \
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gpio_set_mode(SWDIO_PORT, GPIO_MODE_OUTPUT_50_MHZ, \
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GPIO_CNF_OUTPUT_PUSHPULL, SWDIO_PIN);
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#define UART_PIN_SETUP() \
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gpio_set_mode(USBUSART_PORT, GPIO_MODE_OUTPUT_2_MHZ, \
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GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, USBUSART_TX_PIN);
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#define USB_DRIVER stm32f103_usb_driver
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#define USB_IRQ NVIC_USB_LP_CAN_RX0_IRQ
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#define USB_ISR usb_lp_can_rx0_isr
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/* Interrupt priorities. Low numbers are high priority.
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* For now USART2 preempts USB which may spin while buffer is drained.
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* TIM3 is used for traceswo capture and must be highest priority.
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*/
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#define IRQ_PRI_USB (2 << 4)
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#define IRQ_PRI_USBUSART (1 << 4)
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#define IRQ_PRI_USBUSART_TIM (3 << 4)
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#define IRQ_PRI_USB_VBUS (14 << 4)
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#define IRQ_PRI_TIM3 (0 << 4)
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#define USBUSART USART2
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#define USBUSART_CR1 USART2_CR1
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#define USBUSART_IRQ NVIC_USART2_IRQ
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#define USBUSART_CLK RCC_USART2
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#define USBUSART_PORT GPIOA
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#define USBUSART_TX_PIN GPIO2
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#define USBUSART_ISR usart2_isr
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#define USBUSART_TIM TIM4
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#define USBUSART_TIM_CLK_EN() rcc_periph_clock_enable(RCC_TIM4)
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#define USBUSART_TIM_IRQ NVIC_TIM4_IRQ
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#define USBUSART_TIM_ISR tim4_isr
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#define DEBUG(...)
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extern uint16_t led_idle_run;
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#define LED_IDLE_RUN led_idle_run
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#define SET_RUN_STATE(state) {running_status = (state);}
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#define SET_IDLE_STATE(state) {gpio_set_val(LED_PORT, led_idle_run, state);}
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#define SET_ERROR_STATE(x)
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/* Use newlib provided integer only stdio functions */
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#define sscanf siscanf
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#define sprintf siprintf
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#define vasprintf vasiprintf
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#define snprintf sniprintf
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#endif
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