Add dfu bootloader update application and use absolute delay for stlink
Hello, appended 3 patches - adds a dfu-bootloader appliaction - uses absolute delays when waiting for pull-up delays on the STLINK (hopefully fixes issue #30) Updating the dfu-bootloader by additional application is helpfull for the STLINK, as for flashing the bootloader by SWDb otherwise jumpers need to be soldered or external SWD is not possible. Use like: - dfu-util -s 0x08002000:leave -D dfu_upgrade.bin - dfu-util -s 0x08000000:leave -D blackmagic_dfu.bin - Push reset buttom and reconnect to enter new dfu bootloader - dfu-util -s 0x08002000:leave -D blackmagic.bin -- Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.de Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt --------- Tel. 06151 162516 -------- Fax. 06151 164321 ---------- >From fae5022c304a8866f056ea66660ac7ce3809dcf8 Mon Sep 17 00:00:00 2001 From: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de> Date: Sun, 20 Oct 2013 15:00:36 +0200 Subject: F1: Prepare to update dfu bootloader via DFU with additional application.
This commit is contained in:
bon@elektron.ikp.physik.tu-darmstadt.de
Gareth McMullin
parent
ac0fc8216a
commit
0c9d5d8166
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@ -1,8 +1,8 @@
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blackmagic
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blackmagic.bin
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*.bin
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*.hex
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blackmagic_dfu
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blackmagic_dfu.bin
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blackmagic_dfu.hex
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dfu_upgrade
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mapfile
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*.o
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*.d
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@ -37,8 +37,10 @@
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#define PLATFORM_HAS_TRACESWO
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#define BOARD_IDENT "Black Magic Probe"
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#define BOARD_IDENT_DFU "Black Magic Probe (Upgrade)"
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#define BOARD_IDENT_UPD "Black Magic Probe (DFU Upgrade)"
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#define DFU_IDENT "Black Magic Firmware Upgrade"
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#define DFU_IFACE_STRING "@Internal Flash /0x08000000/8*001Ka,120*001Kg"
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#define UPD_IFACE_STRING "@Internal Flash /0x08000000/8*001Kg"
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extern usbd_device *usbdev;
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#define CDCACM_GDB_ENDPOINT 1
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@ -25,6 +25,8 @@
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#include "usbdfu.h"
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uint32_t app_address = 0x08002000;
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void dfu_detach(void)
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{
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/* USB device must detach, we just reset... */
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@ -38,7 +40,7 @@ int main(void)
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if(gpio_get(GPIOB, GPIO12))
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dfu_jump_app_if_valid();
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dfu_protect_enable();
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dfu_protect(DFU_MODE);
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rcc_clock_setup_in_hse_8mhz_out_72mhz();
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systick_set_clocksource(STK_CSR_CLKSOURCE_AHB_DIV8);
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@ -56,7 +58,7 @@ int main(void)
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gpio_set_mode(GPIOB, GPIO_MODE_INPUT,
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GPIO_CNF_INPUT_FLOAT, GPIO2 | GPIO10);
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dfu_init(&stm32f103_usb_driver);
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dfu_init(&stm32f103_usb_driver, DFU_MODE);
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gpio_set(GPIOA, GPIO8);
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gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
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@ -18,7 +18,7 @@ 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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all: blackmagic.bin blackmagic_dfu.bin blackmagic_dfu.hex dfu_upgrade.bin dfu_upgrade.hex
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blackmagic.bin: blackmagic
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$(OBJCOPY) -O binary $^ $@
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@ -32,6 +32,15 @@ blackmagic_dfu.bin: blackmagic_dfu
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blackmagic_dfu.hex: blackmagic_dfu
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$(OBJCOPY) -O ihex $^ $@
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host_clean:
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-rm blackmagic.bin blackmagic_dfu blackmagic_dfu.bin blackmagic_dfu.hex
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dfu_upgrade: dfu_upgrade.o dfucore.o dfu_f1.o
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$(CC) $^ -o $@ $(LDFLAGS)
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dfu_upgrade.bin: dfu_upgrade
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$(OBJCOPY) -O binary $^ $@
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dfu_upgrade.hex: dfu_upgrade
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$(OBJCOPY) -O ihex $^ $@
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host_clean:
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-rm blackmagic.bin blackmagic_dfu blackmagic_dfu.bin blackmagic_dfu.hex dfu_upgrade dfu_upgrade.bin dfu_upgrade.hex
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@ -0,0 +1,127 @@
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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) 2013 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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#include <string.h>
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#include <libopencm3/cm3/systick.h>
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#include <libopencm3/stm32/rcc.h>
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#include <libopencm3/stm32/gpio.h>
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#include <libopencm3/cm3/scb.h>
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#include "usbdfu.h"
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uint32_t app_address = 0x08000000;
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static uint8_t rev;
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static uint16_t led_idle_run;
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static uint32_t led2_state = 0;
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void dfu_detach(void)
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{
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/* Disconnect USB cable by resetting USB Device
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and pulling USB_DP low*/
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rcc_peripheral_reset(&RCC_APB1RSTR, RCC_APB1ENR_USBEN);
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rcc_peripheral_clear_reset(&RCC_APB1RSTR, RCC_APB1ENR_USBEN);
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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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gpio_clear(GPIOA, GPIO12);
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gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
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GPIO_CNF_OUTPUT_OPENDRAIN, GPIO12);
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/* Pull PB0 (T_NRST) low
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*/
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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_OPENDRAIN, GPIO0);
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gpio_clear(GPIOB, GPIO0);
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SCB_VTOR = 0;
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scb_reset_core();
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}
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void stlink_set_rev(void)
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{
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int i;
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/* First, get Board revision by pulling PC13/14 up. Read
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* 11 for ST-Link V1, e.g. on VL Discovery, tag as rev 0
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* 10 for ST-Link V2, e.g. on F4 Discovery, tag as rev 1
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*/
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
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gpio_set_mode(GPIOC, GPIO_MODE_INPUT,
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GPIO_CNF_INPUT_PULL_UPDOWN, GPIO14 | GPIO13);
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gpio_set(GPIOC, GPIO14 | GPIO13);
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for (i = 0; i < 100; i++)
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rev = (~(gpio_get(GPIOC, GPIO14 | GPIO13)) >> 13) & 3;
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switch (rev) {
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case 0:
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led_idle_run = GPIO8;
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break;
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default:
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led_idle_run = GPIO9;
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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, led_idle_run);
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}
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int main(void)
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{
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rcc_clock_setup_in_hse_8mhz_out_72mhz();
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stlink_set_rev();
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systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8);
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systick_set_reload(900000);
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dfu_protect(UPD_MODE);
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/* Handle USB disconnect/connect */
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/* Just in case: Disconnect USB cable by resetting USB Device
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* and pulling USB_DP low
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* Device will reconnect automatically as Pull-Up is hard wired*/
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rcc_peripheral_reset(&RCC_APB1RSTR, RCC_APB1ENR_USBEN);
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rcc_peripheral_clear_reset(&RCC_APB1RSTR, RCC_APB1ENR_USBEN);
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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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gpio_clear(GPIOA, GPIO12);
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gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
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GPIO_CNF_OUTPUT_OPENDRAIN, GPIO12);
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systick_interrupt_enable();
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systick_counter_enable();
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dfu_init(&stm32f103_usb_driver, UPD_MODE);
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dfu_main();
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}
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void sys_tick_handler(void)
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{
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if (rev == 0) {
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gpio_toggle(GPIOA, led_idle_run);
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} else {
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if (led2_state & 1) {
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gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL, led_idle_run);
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gpio_set(GPIOA, led_idle_run);
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} else {
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gpio_set_mode(GPIOA, GPIO_MODE_INPUT,
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GPIO_CNF_INPUT_ANALOG, led_idle_run);
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}
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led2_state++;
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}
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}
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@ -36,8 +36,10 @@
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#define CDCACM_PACKET_SIZE 64
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#define BOARD_IDENT "Black Magic Probe (STLINK), (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")"
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#define BOARD_IDENT_DFU "Black Magic (Upgrade) for STLink/Discovery, (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")"
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#define BOARD_IDENT_UPD "Black Magic (DFU Upgrade) for STLink/Discovery, (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")"
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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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extern usbd_device *usbdev;
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#define CDCACM_GDB_ENDPOINT 1
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@ -29,24 +29,31 @@ static uint8_t rev;
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static uint16_t led_idle_run;
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static uint32_t led2_state = 0;
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uint32_t app_address = 0x08002000;
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static int stlink_test_nrst(void)
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{
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/* Test if JRST/NRST is pulled down*/
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int i;
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uint16_t nrst;
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uint16_t pin;
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uint32_t systick_value;
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systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8);
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systick_set_reload(0xffffff); /* no underflow for about 16.7 seconds*/
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systick_counter_enable();
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/* systick ist now running with 1 MHz, systick counts down */
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/* First, get Board revision by pulling PC13/14 up. Read
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* 11 for ST-Link V1, e.g. on VL Discovery, tag as rev 0
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* 10 for ST-Link V2, e.g. on F4 Discovery, tag as rev 1
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*/
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for (i = 0; i < 0x200; i++) {
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
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gpio_set_mode(GPIOC, GPIO_MODE_INPUT,
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GPIO_CNF_INPUT_PULL_UPDOWN, GPIO14 | GPIO13);
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gpio_set(GPIOC, GPIO14 | GPIO13);
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rev = (~(gpio_get(GPIOC, GPIO14 | GPIO13)) >> 13) & 3;
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}
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
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gpio_set_mode(GPIOC, GPIO_MODE_INPUT,
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GPIO_CNF_INPUT_PULL_UPDOWN, GPIO14 | GPIO13);
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gpio_set(GPIOC, GPIO14 | GPIO13);
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systick_value = systick_get_value();
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while (systick_get_value() > (systick_value - 1000)); /* Wait 1 msec*/
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rev = (~(gpio_get(GPIOC, GPIO14 | GPIO13)) >> 13) & 3;
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switch (rev) {
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case 0:
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pin = GPIO1;
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@ -62,8 +69,10 @@ static int stlink_test_nrst(void)
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gpio_set_mode(GPIOB, GPIO_MODE_INPUT,
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GPIO_CNF_INPUT_PULL_UPDOWN, pin);
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gpio_set(GPIOB, pin);
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for (i = 0; i < 100; i++)
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nrst = gpio_get(GPIOB, pin);
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systick_value = systick_get_value();
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while (systick_get_value() > (systick_value - 20000)); /* Wait 20 msec*/
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nrst = gpio_get(GPIOB, pin);
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systick_counter_disable();
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return (nrst) ? 1 : 0;
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}
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@ -92,7 +101,7 @@ int main(void)
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if(((GPIOA_CRL & 0x40) == 0x40) && stlink_test_nrst())
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dfu_jump_app_if_valid();
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dfu_protect_enable();
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dfu_protect(DFU_MODE);
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rcc_clock_setup_in_hse_8mhz_out_72mhz();
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systick_set_clocksource(STK_CSR_CLKSOURCE_AHB_DIV8);
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@ -113,7 +122,7 @@ int main(void)
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systick_interrupt_enable();
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systick_counter_enable();
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dfu_init(&stm32f103_usb_driver);
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dfu_init(&stm32f103_usb_driver, DFU_MODE);
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dfu_main();
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}
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@ -59,8 +59,9 @@ uint32_t dfu_poll_timeout(uint8_t cmd, uint32_t addr, uint16_t blocknum)
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return 100;
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}
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void dfu_protect_enable(void)
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void dfu_protect(dfu_mode_t mode)
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{
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if (mode == DFU_MODE) {
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#ifdef DFU_SELF_PROTECT
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if ((FLASH_WRPR & 0x03) != 0x00) {
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flash_unlock();
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@ -72,19 +73,25 @@ void dfu_protect_enable(void)
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flash_program_option_bytes(FLASH_OBP_WRP10, 0x03FC);
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}
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#endif
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}
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else if (mode == UPD_MODE) {
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flash_unlock();
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FLASH_CR = 0;
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flash_erase_option_bytes();
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}
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}
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void dfu_jump_app_if_valid(void)
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{
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/* Boot the application if it's valid */
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if((*(volatile uint32_t*)APP_ADDRESS & 0x2FFE0000) == 0x20000000) {
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if((*(volatile uint32_t*)app_address & 0x2FFE0000) == 0x20000000) {
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/* Set vector table base address */
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SCB_VTOR = APP_ADDRESS & 0x1FFFFF; /* Max 2 MByte Flash*/
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SCB_VTOR = app_address & 0x1FFFFF; /* Max 2 MByte Flash*/
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/* Initialise master stack pointer */
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asm volatile ("msr msp, %0"::"g"
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(*(volatile uint32_t*)APP_ADDRESS));
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(*(volatile uint32_t*)app_address));
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/* Jump to application */
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(*(void(**)())(APP_ADDRESS + 4))();
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(*(void(**)())(app_address + 4))();
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}
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}
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@ -121,6 +121,14 @@ static const char *usb_strings[] = {
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DFU_IFACE_STRING,
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};
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static const char *usb_strings_upd[] = {
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"Black Sphere Technologies",
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BOARD_IDENT_UPD,
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serial_no,
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/* This string is used by ST Microelectronics' DfuSe utility */
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UPD_IFACE_STRING,
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};
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static uint32_t get_le32(const void *vp)
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{
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const uint8_t *p = vp;
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@ -158,8 +166,8 @@ usbdfu_getstatus_complete(usbd_device *dev, struct usb_setup_data *req)
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flash_unlock();
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if(prog.blocknum == 0) {
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uint32_t addr = get_le32(prog.buf + 1);
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if (addr < APP_ADDRESS ||
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(addr >= max_address)) {
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if (addr < app_address ||
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(addr >= max_address)) {
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flash_lock();
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usbd_ep_stall_set(dev, 0, 1);
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return;
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@ -251,11 +259,12 @@ static int usbdfu_control_request(usbd_device *dev,
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return 0;
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}
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void dfu_init(const usbd_driver *driver)
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void dfu_init(const usbd_driver *driver, dfu_mode_t mode)
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{
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get_dev_unique_id(serial_no);
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usbdev = usbd_init(driver, &dev, &config, usb_strings, 4,
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usbdev = usbd_init(driver, &dev, &config,
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(mode == DFU_MODE)?usb_strings:usb_strings_upd, 4,
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usbd_control_buffer, sizeof(usbd_control_buffer));
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usbd_register_control_callback(usbdev,
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@ -19,25 +19,25 @@
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#include <libopencm3/usb/usbd.h>
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#ifdef STM32F4
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# define APP_ADDRESS 0x08010000
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#else
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# define APP_ADDRESS 0x08002000
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#endif
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/* Commands sent with wBlockNum == 0 as per ST implementation. */
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#define CMD_SETADDR 0x21
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#define CMD_ERASE 0x41
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extern uint32_t app_address;
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typedef enum {
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DFU_MODE = 0,
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UPD_MODE = 1
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} dfu_mode_t;
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/* dfucore.c - DFU core, common to libopencm3 platforms. */
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void dfu_init(const usbd_driver *driver);
|
||||
void dfu_init(const usbd_driver *driver, dfu_mode_t mode);
|
||||
void dfu_main(void);
|
||||
|
||||
/* Device specific functions */
|
||||
void dfu_check_and_do_sector_erase(uint32_t sector);
|
||||
void dfu_flash_program_buffer(uint32_t baseaddr, void *buf, int len);
|
||||
uint32_t dfu_poll_timeout(uint8_t cmd, uint32_t addr, uint16_t blocknum);
|
||||
void dfu_protect_enable(void);
|
||||
void dfu_protect(dfu_mode_t mode);
|
||||
void dfu_jump_app_if_valid(void);
|
||||
|
||||
/* Platform specific function */
|
||||
|
|
|
|||
|
|
@ -36,8 +36,10 @@
|
|||
#define CDCACM_PACKET_SIZE 64
|
||||
#define BOARD_IDENT "Black Magic Probe (SWLINK), (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")"
|
||||
#define BOARD_IDENT_DFU "Black Magic (Upgrade), STM8S Discovery, (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")"
|
||||
#define BOARD_IDENT_UPD "Black Magic (DFU Upgrade), STM8S Discovery, (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")"
|
||||
#define DFU_IDENT "Black Magic Firmware Upgrade (SWLINK)"
|
||||
#define DFU_IFACE_STRING "@Internal Flash /0x08000000/8*001Ka,56*001Kg"
|
||||
#define UPD_IFACE_STRING "@Internal Flash /0x08000000/8*001Kg"
|
||||
|
||||
extern usbd_device *usbdev;
|
||||
#define CDCACM_GDB_ENDPOINT 1
|
||||
|
|
|
|||
|
|
@ -25,6 +25,8 @@
|
|||
|
||||
#include "usbdfu.h"
|
||||
|
||||
uint32_t app_address = 0x08002000;
|
||||
|
||||
void dfu_detach(void)
|
||||
{
|
||||
/* Disconnect USB cable by resetting USB Device
|
||||
|
|
@ -58,7 +60,7 @@ int main(void)
|
|||
if(((GPIOA_CRL & 0x40) == 0x40) && pin_b)
|
||||
dfu_jump_app_if_valid();
|
||||
|
||||
dfu_protect_enable();
|
||||
dfu_protect(DFU_MODE);
|
||||
|
||||
rcc_clock_setup_in_hse_8mhz_out_72mhz();
|
||||
systick_set_clocksource(STK_CSR_CLKSOURCE_AHB_DIV8);
|
||||
|
|
@ -83,7 +85,7 @@ int main(void)
|
|||
systick_interrupt_enable();
|
||||
systick_counter_enable();
|
||||
|
||||
dfu_init(&stm32f103_usb_driver);
|
||||
dfu_init(&stm32f103_usb_driver, DFU_MODE);
|
||||
|
||||
dfu_main();
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue