void ant_io_rx_event_handler(ant_evt_t * p_ant_evt)
{
ANT_MESSAGE * p_message = (ANT_MESSAGE*) p_ant_evt->msg.evt_buffer;
switch(p_ant_evt->event)
{
case EVENT_RX:
if(p_message->ANT_MESSAGE_aucPayload[0] == DIGITALIO_DATA_PID)
{
//Set LEDs according to Received Digital IO Data Page
m_rx_input_pin_state = p_message->ANT_MESSAGE_aucPayload[7];
set_led_state();
}
// Transmit the current state of the digital pins on the reverse direction
handle_transmit();
break;
case EVENT_TX:
// Transmit data on the reverse direction every channel period
handle_transmit();
break;
default:
break;
}
}
/*
* UART Interrupt handler.
*/
static irqreturn_t tilegx_interrupt(int irq, void *dev_id)
{
unsigned long flags;
UART_INTERRUPT_STATUS_t intr_stat;
struct tile_uart_port *tile_uart;
gxio_uart_context_t *context;
struct uart_port *port = dev_id;
irqreturn_t ret = IRQ_NONE;
spin_lock_irqsave(&port->lock, flags);
tile_uart = container_of(port, struct tile_uart_port, uart);
context = &tile_uart->context;
intr_stat.word = gxio_uart_read(context, UART_INTERRUPT_STATUS);
if (intr_stat.rfifo_we) {
handle_receive(tile_uart);
ret = IRQ_HANDLED;
}
if (intr_stat.wfifo_re) {
handle_transmit(tile_uart);
ret = IRQ_HANDLED;
}
spin_unlock_irqrestore(&port->lock, flags);
return ret;
}