static void nap_exti_thread(void *arg)
{
  (void)arg;
  chRegSetThreadName("NAP ISR");

  while (TRUE) {
    /* Waiting for the IRQ to happen.*/
    chBSemWaitTimeout(&nap_exti_sem, MS2ST(PROCESS_PERIOD_ms));

    handle_nap_exti();
    tracking_channels_process();
  }
}
Exemple #2
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static void nap_exti_thread(void *arg)
{
  (void)arg;
  chRegSetThreadName("NAP ISR");

  while (TRUE) {
    /* Waiting for the IRQ to happen.*/
    chBSemWaitTimeout(&nap_exti_sem, MS2ST(PROCESS_PERIOD_ms));

    /* We need a level (not edge) sensitive interrupt -
     * if there is another interrupt pending on the Swift
     * NAP then the IRQ line will stay high. Therefore if
     * the line is still high, don't suspend the thread.
     */

    spi_lock(SPI_SLAVE_FPGA);
    while (palReadLine(LINE_NAP_IRQ)) {
      handle_nap_exti();
    }
    tracking_channels_process();
    spi_unlock(SPI_SLAVE_FPGA);

  }
}