157 lines
4.4 KiB
C
157 lines
4.4 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) 2017 Uwe Bonnes bon@elektron,ikp,physik.tu-darmstadt.de
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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 <setjmp.h>
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#define PLATFORM_HAS_TRACESWO
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#define PLATFORM_IDENT "(F3-IF) "
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/* Important pin mappings for STM32 implementation:
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*
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* LED0 = PB5 (Green LED : Running)
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* LED1 = PB6 (Orange LED : Idle)
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* LED2 = PB7 (Red LED : Error)
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*
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* TDI = PA0
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* TMS = PA1 (input for SWDP)
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* TCK = PA7/SWCLK
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* TDO = PA6 (input for TRACESWO
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* nRST = PA5
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*
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* Force DFU mode button: BOOT0
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*/
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/* Hardware definitions... */
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#define JTAG_PORT GPIOA
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#define TDI_PORT JTAG_PORT
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#define TMS_PORT JTAG_PORT
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#define TCK_PORT JTAG_PORT
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#define TDO_PORT JTAG_PORT
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#define TDI_PIN GPIO0
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#define TMS_PIN GPIO1
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#define TCK_PIN GPIO7
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#define TDO_PIN GPIO6
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#define SWDIO_PORT JTAG_PORT
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#define SWCLK_PORT JTAG_PORT
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#define SWDIO_PIN TMS_PIN
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#define SWCLK_PIN TCK_PIN
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#define NRST_PORT GPIOA
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#define NRST_PIN GPIO5
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#define LED_PORT GPIOB
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#define LED_PORT_UART GPIOB
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#define LED_UART GPIO6
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#define LED_IDLE_RUN GPIO5
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#define LED_ERROR GPIO7
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/* PORTB does not stay active in system bootloader!*/
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#define LED_BOOTLOADER GPIO6
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#define BOOTMAGIC0 0xb007da7a
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#define BOOTMAGIC1 0xbaadfeed
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#define TMS_SET_MODE() \
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gpio_mode_setup(TMS_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, TMS_PIN);
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#define SWDIO_MODE_FLOAT() \
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gpio_mode_setup(SWDIO_PORT, GPIO_MODE_INPUT, GPIO_PUPD_NONE, SWDIO_PIN);
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#define SWDIO_MODE_DRIVE() \
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gpio_mode_setup(SWDIO_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, SWDIO_PIN);
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#define USB_DRIVER st_usbfs_v1_usb_driver
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#define USB_IRQ NVIC_USB_LP_CAN1_RX0_IRQ
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#define USB_ISR(x) usb_lp_can1_rx0_isr(x)
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/* Interrupt priorities. Low numbers are high priority.
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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 (1 << 4)
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#define IRQ_PRI_USBUSART (2 << 4)
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#define IRQ_PRI_USBUSART_DMA (2 << 4)
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#define IRQ_PRI_TRACE (0 << 4)
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#define USBUSART USART2
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#define USBUSART_CR1 USART2_CR1
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#define USBUSART_TDR USART2_TDR
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#define USBUSART_RDR USART2_RDR
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#define USBUSART_IRQ NVIC_USART2_EXTI26_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 GPIO3
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#define USBUSART_RX_PIN GPIO2
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#define USBUSART_ISR(x) usart2_exti26_isr(x)
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#define USBUSART_DMA_BUS DMA1
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#define USBUSART_DMA_CLK RCC_DMA1
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#define USBUSART_DMA_TX_CHAN DMA_CHANNEL7
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#define USBUSART_DMA_TX_IRQ NVIC_DMA1_CHANNEL7_IRQ
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#define USBUSART_DMA_TX_ISR(x) dma1_channel7_isr(x)
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#define USBUSART_DMA_RX_CHAN DMA_CHANNEL6
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#define USBUSART_DMA_RX_IRQ NVIC_DMA1_CHANNEL6_IRQ
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#define USBUSART_DMA_RX_ISR(x) dma1_channel6_isr(x)
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/* TX/RX on the REV 0/1 boards are swapped against ftdijtag.*/
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#define UART_PIN_SETUP() do { \
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gpio_mode_setup(USBUSART_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, \
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USBUSART_TX_PIN | USBUSART_RX_PIN); \
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gpio_set_af(USBUSART_PORT, GPIO_AF7, \
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USBUSART_TX_PIN | USBUSART_RX_PIN); \
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USART2_CR2 |= USART_CR2_SWAP; \
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} while(0)
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#define TRACE_TIM TIM3
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#define TRACE_TIM_CLK_EN() rcc_periph_clock_enable(RCC_TIM3)
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#define TRACE_IRQ NVIC_TIM3_IRQ
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#define TRACE_ISR tim3_isr
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#ifdef ENABLE_DEBUG
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extern bool debug_bmp;
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# define DEBUG printf
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#else
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# define DEBUG(...)
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#endif
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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(state) {gpio_set_val(LED_PORT, LED_ERROR, state);}
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static inline int platform_hwversion(void)
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{
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return 0;
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}
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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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