#include "project.h"





int main (void)
{
  /*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_USART1);
  rcc_periph_clock_enable (RCC_AFIO);
  rcc_periph_clock_enable (RCC_I2C1);
#if 0
  nvic_set_priority (NVIC_I2C1_EV_IRQ, 0x38);
  nvic_set_priority (NVIC_I2C1_ER_IRQ, 0x39);
  nvic_set_priority (NVIC_USART1_IRQ, 0x44);
  nvic_set_priority (NVIC_SYSTICK_IRQ, 0xff);
#else
  nvic_set_priority (NVIC_I2C1_EV_IRQ, 0xff);
  nvic_set_priority (NVIC_I2C1_ER_IRQ, 0xff);
  nvic_set_priority (NVIC_SYSTICK_IRQ, 0x80);
  nvic_set_priority (NVIC_USART1_IRQ, 0x40);
#endif
  gpio_set_mode (LED1_BANK, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, LED1_GPIO);
  gpio_set_mode (LED2_BANK, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, LED2_GPIO);
  usart_init();
  ticker_init();
  printf ("Morning chaps!\r\n");
#ifdef USB
  usb_init();
#endif
#ifdef I2C_BIT_BANG
  i2c_bb_init();
#else
  i2c_hw_init();
#endif

  for (;;)  {
#ifdef USB
    usbd_poll (usbd_dev);
#endif
#ifdef I2C_BIT_BANG
    i2c_bb_poll();
#endif
  }

  return 0;
}