/**@brief Function for receiving callbacks from the micro-esb library.
*/
static void uesb_event_handler(void)
{
// NOTE: This will be executed at the RADIO_IRQHandler priority so execution time
// should be kept as short as possible.
uint32_t rf_interrupts;
uesb_get_clear_interrupts(&rf_interrupts);
if(rf_interrupts & UESB_INT_TX_SUCCESS_MSK)
{
if (UESB_SUCCESS != uesb_disable())
{
app_error_handler(PROPRIETARY_RF_DEBUG,
__LINE__,
(const uint8_t*)__FILE__);
}
timeslot_finished();
}
if(rf_interrupts & UESB_INT_TX_FAILED_MSK)
{
uesb_flush_tx();
}
if(rf_interrupts & UESB_INT_RX_DR_MSK)
{
// The Syma X4 does not transmit.
}
}
/**@brief Function for receiving callbacks from the micro-esb library.
*/
static void uesb_event_handler(void)
{
uint32_t rf_interrupts;
uesb_get_clear_interrupts(&rf_interrupts);
if(rf_interrupts & UESB_INT_TX_FAILED_MSK)
{
// Transmit failed: flush buffer
uesb_flush_tx();
m_tx_attempts += 1;
m_ut_state = UT_STATE_RX;
}
if (rf_interrupts & UESB_INT_TX_SUCCESS_MSK)
{
uesb_payload_t payload;
uint32_t payload_len;
// Successful transmission. Can now remove packet from our FIFO
payload_len = sizeof(payload);
fifo_get_pkt(&m_transmit_fifo, (uint8_t *) &payload, &payload_len);
APP_ERROR_CHECK_BOOL(payload_len == sizeof(payload));
m_tx_attempts = 0;
m_ut_state = UT_STATE_RX;
}
if(rf_interrupts & UESB_INT_RX_DR_MSK)
{
// Data reception is handled in a lower priority interrupt
NVIC_SetPendingIRQ(UESB_RX_HANDLE_IRQn);
}
}
static uesb_event_handler_t uesb_event_handler()
{
static uint32_t rf_interrupts;
static uint32_t tx_attempts;
uesb_get_clear_interrupts(&rf_interrupts);
if (rf_interrupts & UESB_INT_TX_SUCCESS_MSK) {}
if (rf_interrupts & UESB_INT_TX_FAILED_MSK) {
uesb_flush_tx();
}
if (rf_interrupts & UESB_INT_RX_DR_MSK) {
uesb_read_rx_payload(&rx_payload);
NRF_GPIO->OUTCLR = 0xFUL << 8;
NRF_GPIO->OUTSET = (uint32_t)((rx_payload.data[2] & 0x0F) << 8);
}
uesb_get_tx_attempts(&tx_attempts);
NRF_GPIO->OUTCLR = 0xFUL << 12;
NRF_GPIO->OUTSET = (tx_attempts & 0x0F) << 12;
}
