/* * This file is part of the Black Magic Debug project. * * Copyright (C) 2013 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 . */ #include #include #include #include #include #include "usbdfu.h" void dfu_detach(void) { /* USB device must detach, we just reset... */ scb_reset_system(); } int main(void) { /* Check the force bootloader pin*/ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN); if(gpio_get(GPIOB, GPIO12)) dfu_jump_app_if_valid(); dfu_protect_enable(); rcc_clock_setup_in_hse_8mhz_out_72mhz(); systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8); systick_set_reload(900000); rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN); rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USBEN); gpio_set_mode(GPIOA, GPIO_MODE_INPUT, 0, GPIO8); systick_interrupt_enable(); systick_counter_enable(); gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO11); gpio_set_mode(GPIOB, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO2 | GPIO10); dfu_init(&stm32f103_usb_driver); gpio_set(GPIOA, GPIO8); gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO8); dfu_main(); } void sys_tick_handler(void) { gpio_toggle(GPIOB, GPIO11); /* LED2 on/off */ }