int main(void)
{
// Debug helper variables
uint32_t length;
// Data and acknowledgement payloads
uint8_t payload[NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH]; ///< Payload to send to Host.
// Setup user interface (buttons and LEDs)
ui_init();
// Initialize Gazell Link Layer
(void)nrf_gzll_init(NRF_GZLL_MODE_HOST);
(void)nrf_gzll_set_timeslot_period(NRF_GZLLDE_RXPERIOD_DIV_2); // Half RX period on nRF24Lxx device
// Initialize Gazell Pairing Library
gzp_init();
(void)nrf_gzll_set_rx_pipes_enabled(nrf_gzll_get_rx_pipes_enabled() | (1 << UNENCRYPTED_DATA_PIPE));
gzp_pairing_enable(true);
(void)nrf_gzll_enable();
for(;;)
{
gzp_host_execute();
// If Host ID request received
if(gzp_id_req_received())
{
// Always grant request
gzp_id_req_grant();
}
length = NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH;
if( nrf_gzll_get_rx_fifo_packet_count(UNENCRYPTED_DATA_PIPE) )
{
if(nrf_gzll_fetch_packet_from_rx_fifo(UNENCRYPTED_DATA_PIPE, payload, &length))
{
output_present(payload[0]);
}
}
else if (gzp_crypt_user_data_received())
{
if(gzp_crypt_user_data_read(payload, (uint8_t*)&length))
{
output_present(payload[0]);
}
}
}
}
void main(void)
{
uint8_t payload[GZLL_MAX_PAYLOAD_LENGTH];
mcu_init();
gzll_init();
gzp_init();
gzp_pairing_enable(true);
// Open pipe 2. (Pipe 0 and 1 are reserved by pairing library).
gzll_set_param(GZLL_PARAM_RX_PIPES, gzll_get_param(GZLL_PARAM_RX_PIPES) | (1 << 2));
// Set P0 as output
P0DIR = 0;
EA = 1;
// Enter host mode (start monitoring for data)
gzll_rx_start();
for(;;)
{
// If gzpair_host_execute() returns true, a pairing request has been received
gzp_host_execute();
// If Host ID request received
if(gzp_id_req_received())
{
// Always grant request
gzp_id_req_grant();
}
// If any data received (plaintext on pipe 2 or encrypted through Gazell pairing library)
if((gzll_get_rx_data_ready_pipe_number() == 2) || (gzp_crypt_user_data_received()))
{
// Plaintext data received?
if(gzll_rx_fifo_read(payload, NULL, NULL))
{
// Write received payload[0] to port 0
P0 = payload[0];
}
else
{
// Read data from Gazell pairing library
gzp_crypt_user_data_read(payload, NULL);
// Write received payload[0] to port 0
P0 = payload[0];
}
}
}
}