app/main.c


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#include "project.h"
extern uint32_t dfu_flag;

void
sys_tick_handler (void)
{
#if 0
  printf ("fish\r\n");
  keyboard_test ();
  mouse_test ();
  tablet_test ();
#endif
}

int
main (void)
{
  int i;


  rcc_clock_setup_in_hsi_out_48mhz ();
  rcc_periph_clock_enable (RCC_GPIOC);
  rcc_periph_clock_enable (RCC_GPIOA);
  rcc_periph_clock_enable (RCC_AFIO);
  rcc_periph_clock_enable (RCC_USART1);


  usart_init ();

  usb_init ();

  systick_set_clocksource (STK_CSR_CLKSOURCE_AHB_DIV8);
  /* 48MHz / 8 = > 6Mhz */
  systick_set_reload (3000000);
  /* 6MHz / 3000000 => 2Hz */

  systick_interrupt_enable ();
  systick_counter_enable ();

  gpio_set (GPIOC, GPIO11);
  gpio_set_mode (GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
                 GPIO_CNF_OUTPUT_PUSHPULL, GPIO11);


  for (i = 0; i < 0x80000; i++)
    __asm__ ("nop");

  gpio_clear (GPIOC, GPIO11);

  printf ("Hello world main=%p\r\n", main);
  printf ("dfu_flag=%08lx\r\n", dfu_flag);

  usb_run ();

  return 0;
}