#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);

  atkbd_init();

  usb_init ();

  usart_init ();
  ticker_init ();

  usb_run ();
  return 0;
}