/* Radio "interrupt" routine.
* (but it is only manually called) */
void nrf_irq()
{
uint8_t irq_flags;
// Read and clear IRQ flags from radio.
irq_flags = hal_nrf_get_clear_irq_flags();
switch (irq_flags) {
// Transmission success
case (1 << (uint8_t)HAL_NRF_TX_DS):
send_success = true;
// Data has been sent
break;
// Transmission failed (maximum re-transmits)
case (1 << (uint8_t)HAL_NRF_MAX_RT):
hal_nrf_flush_tx();
send_success = false;
break;
// Data received
case (1 << (uint8_t)HAL_NRF_RX_DR):
// Read payload
while (!hal_nrf_rx_fifo_empty()) {
hal_nrf_read_rx_payload(rcvd_buf);
}
packet_received = true;
break;
default:
;
}
}
// Radio interrupt
NRF_ISR()
{
uint8_t irq_flags;
// Read and clear IRQ flags from radio
irq_flags = hal_nrf_get_clear_irq_flags();
// If data received
if((irq_flags & (1<<(uint8_t)HAL_NRF_RX_DR)) > 0)
{
// Read payload
while(!hal_nrf_rx_fifo_empty())
{
hal_nrf_read_rx_payload(payload);
}
// Write received payload[0] to port 0
P0 = payload[0];
}
}
/** Wait until the RX payload is valid, and read the RX payload.
* Use this function to read the RX payload, the function will
* stay in a while loop unless a RX payload is valid.
*
* @param *out_rx_pload The space to copy the RX payload.
*/
void epl_rf_en_wait_rcv_msg(unsigned char *out_rx_pload)
{
epl_rf_en_enter_rx_mode();
while (epl_rf_en_rx_pload_is_empty());
hal_nrf_read_rx_payload(out_rx_pload);
}
/** Read the RX payload.
* Use this function to read the RX payload.
*
* @param *out_rx_pload The space to copy the RX payload.
*/
void epl_rf_en_read_rx_pload(unsigned char *out_rx_pload)
{
hal_nrf_read_rx_payload(out_rx_pload);
//or hal_nrf_read_multibyte_reg(UINT8(HAL_NRF_RX_PLOAD), out_rx_pload);
}
