boiler-monster/stm32/app/pic.c


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#include "project.h"

#define PIC_RESET        GPIO1
#define PIC_RESET_PORT   GPIOB


static void pic_reset (void)
{
  SET (PIC_RESET);
  delay_ms (1);
  CLEAR (PIC_RESET);
}


void pic_passthru (void)
{
  uint8_t c;

  printf ("\r\nPIC MODE\r\n");
  usart1_drain();
  block_stdio = 1;

  while (!ring_read_byte (&rx3_ring, &c));

  pic_reset();


  for (;;) {
    if (!ring_read_byte (&rx1_ring, &c))
      usart3_queue (c);

    if (!ring_read_byte (&rx3_ring, &c))
      usart1_queue (c);

  }
}


void pic_init (void)
{
  MAP_OUTPUT_PP (PIC_RESET);

  pic_reset();

}