#include "project.h"


static void cmd_dispatch (char *cmd)
{

  printf ("Q received cmd %s\r\n", cmd);

  if (!strncmp (cmd, "CH=", 3)) {
    ot_override_ch = atoi (cmd + 3);
    printf ("Q    CH override set to %d\r\n", ot_override_ch);
  }


  if (!strncmp (cmd, "DHW=", 4)) {
    ot_override_dhw = atoi (cmd + 4);
    printf ("Q    DHW override set to %d\r\n", ot_override_dhw);
  }

  if (!strcmp (cmd, "PIC")) {
    ot_override_dhw = atoi (cmd + 4);
    printf ("Q    Entering PIC mode, reset to leave\r\n");
    pic_passthru();
  }

}


void cmd_usart_dispatch (void)
{
  static char cmd[16];
  static unsigned cmd_ptr;

  uint8_t c;

  if (ring_read_byte (&rx1_ring, &c))
    return;


  if ((c == '\n') || (c == '\r')) {
    if (cmd_ptr)
      cmd_dispatch (cmd);

    cmd_ptr = 0;
    return;
  }


  if (cmd_ptr < (sizeof (cmd) - 1)) {
    cmd[cmd_ptr++] = c;
    cmd[cmd_ptr] = 0;
  }
}