stm32_can: Changes to get blackmagic to work
This commit is contained in:
Uwe Bonnes
parent
313a24b316
commit
72ca77af53
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@ -0,0 +1,28 @@
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/*
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* This file is part of the libopenstm32 project.
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*
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* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
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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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/* Define memory regions. */
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MEMORY
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{
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rom (rx) : ORIGIN = 0x08000000, LENGTH = 256K
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ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
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}
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/* Include the common ld script from libopenstm32. */
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INCLUDE libopencm3_stm32f1.ld
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@ -130,14 +130,26 @@ static char serial_no[9];
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static const char *usb_strings[] = {
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"Black Sphere Technologies",
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#if defined(DISCOVERY_STLINK)
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"Black Magic (Upgrade) for STLink/Discovery",
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#else
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#if defined(BLACKMAGIC)
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"Black Magic Probe (Upgrade)",
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#elif defined(DISCOVERY_STLINK)
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"Black Magic (Upgrade) for STLink/Discovery",
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#elif defined(STM32_CAN)
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"Black Magic (Upgrade) for STM32_CAN",
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#else
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#warning "Unhandled board"
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#endif
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serial_no,
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/* This string is used by ST Microelectronics' DfuSe utility */
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#if defined(BLACKMAGIC)
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"@Internal Flash /0x08000000/8*001Ka,120*001Kg"
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#elif defined(DISCOVERY_STLINK)
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"@Internal Flash /0x08000000/8*001Ka,56*001Kg"
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#elif defined(STM32_CAN)
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"@Internal Flash /0x08000000/4*002Ka,124*002Kg"
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#else
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#warning "Unhandled board"
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#endif
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};
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static u8 usbdfu_getstatus(u32 *bwPollTimeout)
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@ -190,6 +202,7 @@ usbdfu_getstatus_complete(usbd_device *dev, struct usb_setup_data *req)
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flash_erase_page(page_start);
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last_erased_pages = page_start;
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}
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}
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case CMD_SETADDR:
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prog.addr = *(u32*)(prog.buf+1);
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@ -295,6 +308,9 @@ int main(void)
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#if defined (DISCOVERY_STLINK)
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
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if(!gpio_get(GPIOC, GPIO13)) {
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#elif defined (STM32_CAN)
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
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if(!gpio_get(GPIOA, GPIO0)) {
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#else
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
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if(gpio_get(GPIOB, GPIO12)) {
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@ -316,6 +332,8 @@ int main(void)
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FLASH_CR = 0;
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flash_erase_option_bytes();
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flash_program_option_bytes(FLASH_OBP_RDP, FLASH_OBP_RDP_KEY);
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/* CL Device: Protect 2 bits with (2 * 2k pages each)*/
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/* MD Device: Protect 2 bits with (4 * 1k pages each)*/
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flash_program_option_bytes(FLASH_OBP_WRP10, 0x03FC);
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}
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@ -332,13 +350,18 @@ int main(void)
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#endif
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rcc_clock_setup_in_hse_8mhz_out_72mhz();
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rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USBEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
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#if defined(DISCOVERY_STLINK)
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gpio_set_mode(GPIOA, GPIO_MODE_INPUT,
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GPIO_CNF_INPUT_ANALOG, GPIO0);
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#elif defined (STM32_CAN)
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rcc_peripheral_enable_clock(&RCC_AHBENR, RCC_AHBENR_OTGFSEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
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gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL, GPIO0);
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#else
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rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USBEN);
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gpio_set_mode(GPIOA, GPIO_MODE_INPUT, 0, GPIO8);
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gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
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@ -353,8 +376,13 @@ int main(void)
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get_dev_unique_id(serial_no);
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#if defined(STM32_CAN)
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usbdev = usbd_init(&stm32f107_usb_driver,
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&dev, &config, usb_strings, 4);
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#else
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usbdev = usbd_init(&stm32f103_usb_driver,
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&dev, &config, usb_strings, 4);
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#endif
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usbd_set_control_buffer_size(usbdev, sizeof(usbd_control_buffer));
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usbd_register_control_callback(usbdev,
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USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
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@ -401,6 +429,8 @@ void sys_tick_handler()
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gpio_set_mode(GPIOA, GPIO_MODE_INPUT,
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GPIO_CNF_INPUT_ANALOG, GPIO9);
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led2_state++;
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#elif defined(STM32_CAN)
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gpio_toggle(GPIOB, GPIO0); /* LED2 on/off */
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#else
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gpio_toggle(GPIOB, GPIO11); /* LED2 on/off */
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#endif
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@ -0,0 +1,35 @@
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CROSS_COMPILE ?= arm-none-eabi-
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CC = $(CROSS_COMPILE)gcc
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OBJCOPY = $(CROSS_COMPILE)objcopy
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CFLAGS += -Istm32/include -mcpu=cortex-m3 -mthumb \
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-DSTM32F1 -DSTM32_CAN -I../libopencm3/include
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LDFLAGS_BOOT = -lopencm3_stm32f1 -Wl,--defsym,_stack=0x20010000 \
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-Wl,-T,platforms/stm32/stm32_can.ld -nostartfiles -lc -lnosys \
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-Wl,-Map=mapfile -mthumb -mcpu=cortex-m3 -Wl,-gc-sections \
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-L../libopencm3/lib
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LDFLAGS = $(LDFLAGS_BOOT) -Wl,-Ttext=0x8002000
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VPATH += platforms/stm32
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SRC += cdcacm.c \
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platform.c \
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usbuart.c \
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all: blackmagic.bin blackmagic_dfu.bin blackmagic_dfu.hex
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blackmagic.bin: blackmagic
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$(OBJCOPY) -O binary $^ $@
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blackmagic_dfu: usbdfu.o
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$(CC) $^ -o $@ $(LDFLAGS_BOOT)
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blackmagic_dfu.bin: blackmagic_dfu
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$(OBJCOPY) -O binary $^ $@
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blackmagic_dfu.hex: blackmagic_dfu
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$(OBJCOPY) -O ihex $^ $@
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host_clean:
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-rm blackmagic.bin blackmagic_dfu blackmagic_dfu.bin blackmagic_dfu.hex
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@ -0,0 +1,197 @@
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/*
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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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#include <libopencm3/stm32/f1/rcc.h>
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#include <libopencm3/cm3/systick.h>
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#include <libopencm3/cm3/scb.h>
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#include <libopencm3/cm3/nvic.h>
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#include <libopencm3/stm32/exti.h>
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#include <libopencm3/stm32/usart.h>
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#include <libopencm3/usb/usbd.h>
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#include <libopencm3/stm32/f1/adc.h>
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#include "platform.h"
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#include "jtag_scan.h"
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#include <usbuart.h>
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#include <ctype.h>
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uint8_t running_status;
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volatile uint32_t timeout_counter;
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jmp_buf fatal_error_jmpbuf;
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static void morse_update(void);
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int platform_init(void)
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{
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/* Enable peripherals */
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rcc_peripheral_enable_clock(&RCC_AHBENR, RCC_AHBENR_OTGFSEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN);
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rcc_clock_setup_in_hse_8mhz_out_72mhz();
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/* Setup GPIO ports */
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gpio_set_mode(TMS_PORT, GPIO_MODE_OUTPUT_50_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL,
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TMS_PIN);
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gpio_set_mode(TCK_PORT, GPIO_MODE_OUTPUT_50_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL,
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TCK_PIN | TDI_PIN);
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gpio_set_mode(TCK_PORT, GPIO_MODE_INPUT,
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GPIO_CNF_INPUT_FLOAT,
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TDO_PIN);
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gpio_set_mode(LED_PORT, GPIO_MODE_OUTPUT_2_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL,
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LED_UART | LED_IDLE_RUN | LED_ERROR);
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/* Setup heartbeat timer */
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systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8);
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systick_set_reload(900000); /* Interrupt us at 10 Hz */
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SCB_SHPR(11) &= ~((15 << 4) & 0xff);
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SCB_SHPR(11) |= ((14 << 4) & 0xff);
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systick_interrupt_enable();
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systick_counter_enable();
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usbuart_init();
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SCB_VTOR = 0x2000; // Relocate interrupt vector table here
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cdcacm_init();
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jtag_scan(NULL);
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return 0;
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}
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void platform_delay(uint32_t delay)
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{
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timeout_counter = delay;
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while(timeout_counter);
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}
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void sys_tick_handler(void)
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{
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if(running_status)
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gpio_toggle(LED_PORT, LED_IDLE_RUN);
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if(timeout_counter)
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timeout_counter--;
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morse_update();
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}
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/* Morse code patterns and lengths */
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static const struct {
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uint16_t code;
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uint8_t bits;
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} morse_letter[] = {
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{ 0b00011101, 8}, // 'A' .-
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{ 0b000101010111, 12}, // 'B' -...
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{ 0b00010111010111, 14}, // 'C' -.-.
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{ 0b0001010111, 10}, // 'D' -..
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{ 0b0001, 4}, // 'E' .
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{ 0b000101110101, 12}, // 'F' ..-.
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{ 0b000101110111, 12}, // 'G' --.
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{ 0b0001010101, 10}, // 'H' ....
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{ 0b000101, 6}, // 'I' ..
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{0b0001110111011101, 16}, // 'J' .---
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{ 0b000111010111, 12}, // 'K' -.-
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{ 0b000101011101, 12}, // 'L' .-..
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{ 0b0001110111, 10}, // 'M' --
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{ 0b00010111, 8}, // 'N' -.
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{ 0b00011101110111, 14}, // 'O' ---
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{ 0b00010111011101, 14}, // 'P' .--.
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{0b0001110101110111, 16}, // 'Q' --.-
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{ 0b0001011101, 10}, // 'R' .-.
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{ 0b00010101, 8}, // 'S' ...
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{ 0b000111, 6}, // 'T' -
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{ 0b0001110101, 10}, // 'U' ..-
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{ 0b000111010101, 12}, // 'V' ...-
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{ 0b000111011101, 12}, // 'W' .--
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{ 0b00011101010111, 14}, // 'X' -..-
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{0b0001110111010111, 16}, // 'Y' -.--
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{ 0b00010101110111, 14}, // 'Z' --..
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};
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const char *morse_msg;
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static const char * volatile morse_ptr;
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static char morse_repeat;
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void morse(const char *msg, char repeat)
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{
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morse_msg = morse_ptr = msg;
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morse_repeat = repeat;
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SET_ERROR_STATE(0);
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}
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static void morse_update(void)
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{
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static uint16_t code;
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static uint8_t bits;
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if(!morse_ptr) return;
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if(!bits) {
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char c = *morse_ptr++;
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if(!c) {
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if(morse_repeat) {
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morse_ptr = morse_msg;
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c = *morse_ptr++;
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} else {
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morse_ptr = 0;
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return;
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}
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}
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if((c >= 'A') && (c <= 'Z')) {
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c -= 'A';
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code = morse_letter[c].code;
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bits = morse_letter[c].bits;
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} else {
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code = 0; bits = 4;
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}
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}
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SET_ERROR_STATE(code & 1);
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code >>= 1; bits--;
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}
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const char *platform_target_voltage(void)
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{
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return "ABSENT!";
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}
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void assert_boot_pin(void)
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{
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gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL, GPIO0);
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gpio_set(GPIOA, GPIO0);
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}
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@ -0,0 +1,180 @@
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/*
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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>
|
||||
*
|
||||
* 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/>.
|
||||
*/
|
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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 <libopencm3/stm32/f1/gpio.h>
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#include <libopencm3/usb/usbd.h>
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#include <setjmp.h>
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#include <alloca.h>
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#include "gdb_packet.h"
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#define INLINE_GPIO
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#define CDCACM_PACKET_SIZE 64
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/*#define PLATFORM_HAS_TRACESWO*/
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extern usbd_device *usbdev;
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#define CDCACM_GDB_ENDPOINT 1
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#define CDCACM_UART_ENDPOINT 3
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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 = PC9
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* SRST_OUT = NA
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* TDI = PC12
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* TMS = PB14(input for SWDP)
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* TCK = PC10
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* TDO = PC11(input)
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* nSRST = PA7 (input)
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*
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* Force DFU mode button: PA0 Read High for Bootloader Req
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*/
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/* Hardware definitions... */
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#define TDI_PORT GPIOC
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#define TMS_PORT GPIOB
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#define TCK_PORT GPIOC
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#define TDO_PORT GPIOC
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#define TDI_PIN GPIO12
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#define TMS_PIN GPIO14
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#define TCK_PIN GPIO10
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#define TDO_PIN GPIO11
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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 TRST_PORT GPIOC
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//#define TRST_PIN GPIO9
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|
||||
#define LED_PORT GPIOB
|
||||
#define LED_PORT_UART GPIOB
|
||||
#define LED_UART GPIO0
|
||||
|
||||
#define LED_IDLE_RUN GPIO1
|
||||
#define LED_ERROR GPIO12
|
||||
|
||||
#define USB_DRIVER stm32f107_usb_driver
|
||||
#define USB_IRQ NVIC_OTG_FS_IRQ
|
||||
#define USB_ISR otg_fs_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_TIM3 (0 << 4)
|
||||
|
||||
#define USBUSART USART2
|
||||
#define USBUSART_CR1 USART2_CR1
|
||||
#define USBUSART_IRQ NVIC_USART2_IRQ
|
||||
#define USBUSART_APB_ENR RCC_APB1ENR
|
||||
#define USBUSART_CLK_ENABLE RCC_APB1ENR_USART2EN
|
||||
#define USBUSART_PORT GPIOA
|
||||
#define USBUSART_TX_PIN GPIO2
|
||||
#define USBUSART_ISR usart2_isr
|
||||
|
||||
#define DEBUG(...)
|
||||
|
||||
extern uint8_t running_status;
|
||||
extern volatile uint32_t timeout_counter;
|
||||
|
||||
extern jmp_buf fatal_error_jmpbuf;
|
||||
|
||||
extern const char *morse_msg;
|
||||
|
||||
#define gpio_set_val(port, pin, val) do { \
|
||||
if(val) \
|
||||
gpio_set((port), (pin)); \
|
||||
else \
|
||||
gpio_clear((port), (pin)); \
|
||||
} while(0)
|
||||
|
||||
#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);}
|
||||
|
||||
#define PLATFORM_SET_FATAL_ERROR_RECOVERY() {setjmp(fatal_error_jmpbuf);}
|
||||
#define PLATFORM_FATAL_ERROR(error) { \
|
||||
if(running_status) gdb_putpacketz("X1D"); \
|
||||
else gdb_putpacketz("EFF"); \
|
||||
running_status = 0; \
|
||||
target_list_free(); \
|
||||
morse("TARGET LOST.", 1); \
|
||||
longjmp(fatal_error_jmpbuf, (error)); \
|
||||
}
|
||||
|
||||
int platform_init(void);
|
||||
void morse(const char *msg, char repeat);
|
||||
const char *platform_target_voltage(void);
|
||||
int platform_hwversion(void);
|
||||
void platform_delay(uint32_t delay);
|
||||
|
||||
/* <cdcacm.c> */
|
||||
void cdcacm_init(void);
|
||||
/* Returns current usb configuration, or 0 if not configured. */
|
||||
int cdcacm_get_config(void);
|
||||
int cdcacm_get_dtr(void);
|
||||
|
||||
/* <platform.h> */
|
||||
void uart_usb_buf_drain(uint8_t ep);
|
||||
|
||||
/* Use newlib provided integer only stdio functions */
|
||||
#define sscanf siscanf
|
||||
#define sprintf siprintf
|
||||
#define vasprintf vasiprintf
|
||||
|
||||
#ifdef INLINE_GPIO
|
||||
static inline void _gpio_set(u32 gpioport, u16 gpios)
|
||||
{
|
||||
GPIO_BSRR(gpioport) = gpios;
|
||||
}
|
||||
#define gpio_set _gpio_set
|
||||
|
||||
static inline void _gpio_clear(u32 gpioport, u16 gpios)
|
||||
{
|
||||
GPIO_BRR(gpioport) = gpios;
|
||||
}
|
||||
#define gpio_clear _gpio_clear
|
||||
|
||||
static inline u16 _gpio_get(u32 gpioport, u16 gpios)
|
||||
{
|
||||
return (u16)GPIO_IDR(gpioport) & gpios;
|
||||
}
|
||||
#define gpio_get _gpio_get
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
#define disconnect_usb() usbd_disconnect(usbdev,1)
|
||||
void assert_boot_pin(void);
|
||||
#define setup_vbus_irq()
|
||||
Loading…
Reference in New Issue