/**@brief Start Gazell functionality.
*/
void gzll_app_start(void)
{
bool gzll_call_ok;
gzll_call_ok = nrf_gzll_init(NRF_GZLL_MODE_DEVICE);
if (!gzll_call_ok)
{
GET_GAZELL_ERROR();
}
gzll_call_ok = nrf_gzll_set_max_tx_attempts(MAX_TX_ATTEMPTS);
if (!gzll_call_ok)
{
GET_GAZELL_ERROR();
}
gzll_call_ok = nrf_gzll_enable();
if (!gzll_call_ok)
{
GET_GAZELL_ERROR();
}
// Add a packet to the TX FIFO to start the data transfer.
// From here on more data will be added through the Gazell callbacks
gzll_packet[0] = DUMMY_PACKET;
gzll_call_ok = nrf_gzll_add_packet_to_tx_fifo(0, gzll_packet, PAYLOAD_SIZE);
if (!gzll_call_ok)
{
GET_GAZELL_ERROR();
}
}
/**@brief Callback on Gazell Transmit failed. Resends the current packet.
*/
void nrf_gzll_device_tx_failed(uint32_t pipe, nrf_gzll_device_tx_info_t tx_info)
{
bool push_ok;
uint8_t dummy[NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH];
uint32_t dummy_length = NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH;
// If the transmission failed, send a new packet.
nrf_gpio_pin_set(GZLL_TX_FAIL_LED_PIN_NO);
nrf_gpio_pin_clear(GZLL_TX_SUCCESS_LED_PIN_NO);
if (tx_info.payload_received_in_ack)
{
// if data received attached to the ack, pop them.
push_ok = nrf_gzll_fetch_packet_from_rx_fifo(pipe, dummy, &dummy_length);
if (!push_ok)
{
GET_GAZELL_ERROR();
}
}
push_ok = nrf_gzll_add_packet_to_tx_fifo(0, gzll_packet, PAYLOAD_SIZE);
if (!push_ok)
{
GET_GAZELL_ERROR();
}
}
/**@brief Callback function for Gazell Transmit fail. Resends the current packet.
*/
void nrf_gzll_device_tx_failed(uint32_t pipe, nrf_gzll_device_tx_info_t tx_info)
{
bool push_ok;
uint8_t dummy[NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH];
uint32_t dummy_length = NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH;
uint32_t err_code;
// If the transmission failed, send a new packet.
err_code = bsp_indication_set(BSP_INDICATE_SEND_ERROR);
APP_ERROR_CHECK(err_code);
if (tx_info.payload_received_in_ack)
{
// if data received attached to the ack, pop them.
push_ok = nrf_gzll_fetch_packet_from_rx_fifo(pipe, dummy, &dummy_length);
if (!push_ok)
{
GET_GAZELL_ERROR();
}
}
push_ok = nrf_gzll_add_packet_to_tx_fifo(0, m_gzll_packet, PAYLOAD_SIZE);
if (!push_ok)
{
GET_GAZELL_ERROR();
}
}
/**@brief Callback function for Gazell Transmit Success. Transmits next packet.
*/
void nrf_gzll_device_tx_success(uint32_t pipe, nrf_gzll_device_tx_info_t tx_info)
{
bool push_ok;
static int cpt = 0;
uint8_t dummy[NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH];
uint32_t dummy_length = NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH;
uint32_t err_code;
// If an ACK was received, we send another packet.
err_code = bsp_indication_set(BSP_INDICATE_SENT_OK);
APP_ERROR_CHECK(err_code);
if (tx_info.payload_received_in_ack)
{
// if data received attached to the ack, pop them.
push_ok = nrf_gzll_fetch_packet_from_rx_fifo(pipe, dummy, &dummy_length);
if (!push_ok)
{
GET_GAZELL_ERROR();
}
}
cpt++;
if (cpt > NB_TX_WITH_SAME_PAYLOAD)
{
cpt = 0;
m_gzll_packet[0] = ~(m_gzll_packet[0]);
if (m_gzll_packet[0] == DUMMY_PACKET)
{
m_gzll_packet[0] = 0x00;
}
m_gzll_packet[0] <<= 1;
if (m_gzll_packet[0] == 0)
{
m_gzll_packet[0]++;
}
m_gzll_packet[0] = ~(m_gzll_packet[0]);
}
push_ok = nrf_gzll_add_packet_to_tx_fifo(0, m_gzll_packet, PAYLOAD_SIZE);
if (!push_ok)
{
GET_GAZELL_ERROR();
}
}
/**@brief Callback on Gazell Receive Data Ready. Flushes the receive's FIFO.
*/
void nrf_gzll_host_rx_data_ready(uint32_t pipe, nrf_gzll_host_rx_info_t rx_info)
{
// We dont expect to receive any data in return, but if it happens we flush the RX fifo
bool gzll_call_ok = nrf_gzll_flush_rx_fifo(pipe);
if (!gzll_call_ok)
{
GET_GAZELL_ERROR();
}
}
/**@brief Callback on Gazell Transmit Success. Transmits next packet.
*/
void nrf_gzll_device_tx_success(uint32_t pipe, nrf_gzll_device_tx_info_t tx_info)
{
bool push_ok;
static int cpt = 0;
uint8_t dummy[NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH];
uint32_t dummy_length = NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH;
// If an ACK was received, we send another packet.
nrf_gpio_pin_set(GZLL_TX_SUCCESS_LED_PIN_NO);
nrf_gpio_pin_clear(GZLL_TX_FAIL_LED_PIN_NO);
if (tx_info.payload_received_in_ack)
{
// if data received attached to the ack, pop them.
push_ok = nrf_gzll_fetch_packet_from_rx_fifo(pipe, dummy, &dummy_length);
if (!push_ok)
{
GET_GAZELL_ERROR();
}
}
cpt++;
if (cpt > NB_TX_WITH_SAME_PAYLOAD)
{
cpt = 0;
gzll_packet[0] = ~(gzll_packet[0]);
if (gzll_packet[0] == DUMMY_PACKET)
{
gzll_packet[0] = 0x00;
}
gzll_packet[0] <<= 1;
if (gzll_packet[0] == 0)
{
gzll_packet[0]++;
}
gzll_packet[0] = ~(gzll_packet[0]);
}
push_ok = nrf_gzll_add_packet_to_tx_fifo(0, gzll_packet, PAYLOAD_SIZE);
if (!push_ok)
{
GET_GAZELL_ERROR();
}
}