// Configures RF parameters before Enhanced Shockburst can be used.
void configureRF()
{
packet_received = false;
send_success = false;
// Enable the radio clock
RFCKEN = 1;
// Set payload width to 32 bytes
hal_nrf_set_rx_payload_width((int)HAL_NRF_PIPE0, PAYLOAD_SIZE);
// Set auto-retries to 5 with 500 us intervals
hal_nrf_set_auto_retr(5, 500);
// Set pipe address
hal_nrf_set_address(HAL_NRF_PIPE0, default_pipe_address);
hal_nrf_set_address(HAL_NRF_TX, default_pipe_address);
// Set initial channel
hal_nrf_set_rf_channel(default_channels[1]);
// Configure radio as primary receiver (PTX)
hal_nrf_set_operation_mode(HAL_NRF_PRX);
// Wait for the xtal to power up
while (hal_clk_get_16m_source() != HAL_CLK_XOSC16M) ;
// Power up radio
hal_nrf_set_power_mode(HAL_NRF_PWR_UP);
// Enable receiver
CE_HIGH();
return;
}
void main()
{
#ifdef MCU_NRF24LE1
while(hal_clk_get_16m_source() != HAL_CLK_XOSC16M)
{
// Wait until 16 MHz crystal oscillator is running
}
#endif
#ifdef MCU_NRF24LU1P
// Enable radio SPI
RFCTL = 0x10;
#endif
// Set P0 as output
P0DIR = 0;
// Enable the radio clock
RFCKEN = 1;
// Enable RF interrupt
RF = 1;
// Enable global interrupt
EA = 1;
// Configure radio as primary receiver (PTX)
hal_nrf_set_operation_mode(HAL_NRF_PRX);
// Set payload width to 3 bytes
hal_nrf_set_rx_payload_width((int)HAL_NRF_PIPE0, 3);
// Power up radio
hal_nrf_set_power_mode(HAL_NRF_PWR_UP);
// Enable receiver
CE_HIGH();
for(;;){}
}
// Resets RF parameters to default values.
// Must be called before jumping to new firmware.
void resetRF()
{
// Reset values set by the RF setup.
CE_LOW();
// PWR_UP = 0
hal_nrf_set_power_mode(HAL_NRF_PWR_DOWN);
// PRIM_RX = 0
hal_nrf_set_operation_mode(HAL_NRF_PTX);
// RF_CH = 0x02;
hal_nrf_set_rf_channel(reset_channel);
// AW = 11 (Default = 5 bytes)
// RX_ADDR_P0 = TX_ADDR = 0xE7E7E7E7E7
hal_nrf_set_address(HAL_NRF_TX, reset_pipe_address);
hal_nrf_set_address(HAL_NRF_PIPE0, reset_pipe_address);
// ARD = 0000, ARC = 0011
hal_nrf_set_auto_retr(3, 250);
// RX_PW_P0 = 0x00
hal_nrf_set_rx_payload_width((int)HAL_NRF_PIPE0, 0);
// Disable radio clock
RFCKEN = 0;
return;
}
/* To be compatible with nRF24L01, please disable the auto ack function. */
void epl_rf_en_rcv_pipe_config(hal_nrf_address_t in_pipe_num, char *in_pipe_rcv_addr, unsigned char in_pipe_pload_length, epl_rf_en_auto_ack_t in_auto_ack)
{
hal_nrf_open_pipe(in_pipe_num, in_auto_ack); // Open pipe and configure the auto ack function.
hal_nrf_set_address(in_pipe_num, in_pipe_rcv_addr); // Address for PRX pipe
hal_nrf_set_rx_payload_width(in_pipe_num, in_pipe_pload_length);
}
