#include "project.h" extern uint32_t dfu_flag; int main (void) { // rcc_clock_setup_in_hsi_out_48mhz (); //nvic_set_priority_grouping(NVIC_PriorityGroup_4); /*set up pll*/ rcc_clock_setup_in_hse_8mhz_out_72mhz(); /*turn on clocks to periferals*/ rcc_periph_clock_enable (RCC_GPIOA); rcc_periph_clock_enable (RCC_GPIOB); rcc_periph_clock_enable (RCC_GPIOC); rcc_periph_clock_enable (RCC_AFIO); rcc_periph_clock_enable (RCC_USART1); rcc_periph_clock_enable (RCC_USART1); dwt_enable_cycle_counter(); /*Change interrupt priorities so that USART trumps Timer trumps ATKBD */ nvic_set_priority(NVIC_USART1_IRQ, 0x40); nvic_set_priority(NVIC_SYSTICK_IRQ, 0x80); nvic_set_priority(NVIC_EXTI0_IRQ, 0xc0); usart_init(); ticker_init(); printf("Hello world!\r\n"); atkbd_init(); usb_init (); usb_run (); return 0; }