/* * 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_AHB1ENR, RCC_AHB1ENR_IOPAEN); if(!gpio_get(GPIOA, GPIO0)) dfu_jump_app_if_valid(); dfu_protect_enable(); /* Set up clock*/ rcc_clock_setup_hse_3v3(&hse_8mhz_3v3[CLOCK_3V3_168MHZ]); systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8); systick_set_reload(2100000); systick_interrupt_enable(); systick_counter_enable(); /* Handle LEDs */ rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPDEN); gpio_clear(GPIOD, GPIO12 | GPIO13 | GPIO14 |GPIO15); gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO12 | GPIO13 | GPIO14 |GPIO15); /* Set up USB*/ rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPAEN); rcc_peripheral_enable_clock(&RCC_AHB2ENR, RCC_AHB2ENR_OTGFSEN); /* Set up USB Pins and alternate function*/ gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO9 | GPIO10 | GPIO11 | GPIO12); gpio_set_af(GPIOA, GPIO_AF10, GPIO9 | GPIO10| GPIO11 | GPIO12); dfu_init(&stm32f107_usb_driver); dfu_main(); } void sys_tick_handler(void) { gpio_toggle(GPIOD, GPIO12); /* Green LED on/off */ }