uint8_t NRF24L01_ReadBit(uint8_t reg, uint8_t bit) {
uint8_t tmp;
tmp = NRF24L01_ReadRegister(reg);
if (!NRF24L01_CHECK_BIT(tmp, bit)) {
return 0;
}
return 1;
}
/**
* @brief Enable a pipe
* @param Device: The device to use
* @param Pipe: The pipe to enable, can be 0 to 5
* @retval None
*/
void NRF24L01_EnablePipe(NRF24L01_Device* Device, uint8_t Pipe)
{
if (Pipe < 6)
{
uint8_t value = 0;
NRF24L01_ReadRegister(Device, EN_RXADDR, &value, 1); /* Get the old value */
value |= (1 << Pipe); /* Enable the new pipe */
NRF24L01_WriteRegister(Device, EN_RXADDR, &value, 1); /* Set the new value */
}
}
void NRF24L01_WriteBit(uint8_t reg, uint8_t bit, uint8_t value) {
uint8_t tmp;
/* Read register */
tmp = NRF24L01_ReadRegister(reg);
/* Make operation */
if (value) {
tmp |= 1 << bit;
} else {
tmp &= ~(1 << bit);
}
/* Write back */
NRF24L01_WriteRegister(reg, tmp);
}
uint8_t NRF24L01_GetRetransmissionsCount(void) {
/* Low 4 bits */
return NRF24L01_ReadRegister(NRF24L01_REG_OBSERVE_TX) & 0x0F;
}
uint8_t NRF24L01_RxFifoEmpty(void) {
uint8_t reg = NRF24L01_ReadRegister(NRF24L01_REG_FIFO_STATUS);
return NRF24L01_CHECK_BIT(reg, NRF24L01_RX_EMPTY);
}
/**
* @brief Write some debug info to the UART
* @param Device: The device to use
* @param None
* @retval None
*/
void NRF24L01_PrintDebugInfo(NRF24L01_Device* Device)
{
printf("------- nRF24L01 Debug Info -------\n");
printf("Name: %s\n", Device->NRF24L01_DeviceName);
/* ============================ */
uint8_t config;
NRF24L01_ReadRegister(Device, CONFIG, &config, 1);
printf("CONFIG: 0x%02x\n", config);
/* ============================ */
uint8_t en_aa;
NRF24L01_ReadRegister(Device, EN_AA, &en_aa, 1);
printf("EN_AA: 0x%02x\n", en_aa);
/* ============================ */
uint8_t en_rxaddr;
NRF24L01_ReadRegister(Device, EN_RXADDR, &en_rxaddr, 1);
printf("EN_RXADDR: 0x%02x\n", en_rxaddr);
/* ============================ */
uint8_t setupAw;
NRF24L01_ReadRegister(Device, SETUP_AW, &setupAw, 1);
printf("SETUP_AW: 0x%02x\n", setupAw);
/* ============================ */
uint8_t setupRetr;
NRF24L01_ReadRegister(Device, SETUP_RETR, &setupRetr, 1);
printf("SETUP_RETR: 0x%02x\n", setupRetr);
/* ============================ */
uint8_t rfChannel;
NRF24L01_ReadRegister(Device, RF_CH, &rfChannel, 1);
printf("RF_CH: 0x%02x\n", rfChannel);
/* ============================ */
uint8_t rfSetup;
NRF24L01_ReadRegister(Device, RF_SETUP, &rfSetup, 1);
printf("RF_SETUP: 0x%02x\n", rfSetup);
/* ============================ */
uint8_t status = NRF24L01_GetStatus(Device);
printf("STATUS: 0x%02x\n", status);
/* ============================ */
// uint8_t pipe = NRF24L01_GetPipeNumber(Device);
// if (0x07 == pipe)
// printf("Pipe: RF FIFO Empty\n");
// else if (0x06 == pipe)
// printf("Pipe: ERROR - Should not happen!\n");
// else
// printf("Pipe: %d\n", pipe);
/* ============================ */
uint8_t observeTx;
NRF24L01_ReadRegister(Device, OBSERVE_TX, &observeTx, 1);
printf("OBSERVE_TX: 0x%02x\n", observeTx);
/* ============================ */
uint8_t rpd;
NRF24L01_ReadRegister(Device, RPD, &rpd, 1);
printf("RPD: 0x%02x\n", rpd);
/* ============================ */
uint8_t addr0[5];
NRF24L01_ReadRegister(Device, RX_ADDR_P0, addr0, 5);
printf("RX_ADDR_P0: 0x%02x%02x%02x%02x%02x\n", addr0[4], addr0[3], addr0[2], addr0[1], addr0[0]);
uint8_t addr1[5];
NRF24L01_ReadRegister(Device, RX_ADDR_P1, addr1, 5);
printf("RX_ADDR_P1: 0x%02x%02x%02x%02x%02x\n", addr1[4], addr1[3], addr1[2], addr1[1], addr1[0]);
uint8_t addr2;
NRF24L01_ReadRegister(Device, RX_ADDR_P2, &addr2, 1);
printf("RX_ADDR_P2: 0x%02x\n", addr2);
uint8_t addr3;
NRF24L01_ReadRegister(Device, RX_ADDR_P3, &addr3, 1);
printf("RX_ADDR_P3: 0x%02x\n", addr3);
uint8_t addr4;
NRF24L01_ReadRegister(Device, RX_ADDR_P4, &addr4, 1);
printf("RX_ADDR_P4: 0x%02x\n", addr4);
uint8_t addr5;
NRF24L01_ReadRegister(Device, RX_ADDR_P5, &addr5, 1);
printf("RX_ADDR_P5: 0x%02x\n", addr5);
/* ============================ */
uint8_t addrTx[5];
NRF24L01_ReadRegister(Device, TX_ADDR, addrTx, 5);
printf("TX_ADDR: 0x%02x%02x%02x%02x%02x\n", addrTx[4], addrTx[3], addrTx[2], addrTx[1], addrTx[0]);
/* ============================ */
uint8_t payloads[6];
NRF24L01_ReadRegister(Device, RX_PW_P0, payloads, 6);
printf("RX_PW_P0-5: 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x\n", payloads[0], payloads[1], payloads[2], payloads[3], payloads[4], payloads[5]);
/* ============================ */
uint8_t fifoStatus;
NRF24L01_ReadRegister(Device, FIFO_STATUS, &fifoStatus, 1);
printf("FIFO_STATUS: 0x%02x\n", fifoStatus);
/* ============================ */
uint8_t dynpd;
NRF24L01_ReadRegister(Device, DYNPD, &dynpd, 1);
printf("DYNPD: 0x%02x\n", dynpd);
printf("-----------------------------------\n");
}
/**
* @brief Get the RF channel to transmit on
* @param Device: The device to use
* @retval None
*/
uint8_t NRF24L01_GetRFChannel(NRF24L01_Device* Device)
{
uint8_t data = 0;
NRF24L01_ReadRegister(Device, R_REGISTER | RF_CH, &data, 1);
return data;
}
void transmitter(void)
{
/* My address */
uint8_t MyAddress[] = {
0xE7,
0xE7,
0xE7,
0xE7,
0xE7
};
/* Receiver address */
uint8_t TxAddress[] = {
0x7E,
0x7E,
0x7E,
0x7E,
0x7E
};
uint8_t dataOut[32], dataIn[32], i;
uint32_t tr_count;
NRF24L01_Transmit_Status_t transmissionStatus;
/* Initialize NRF24L01+ on channel 15 and 32bytes of payload */
/* By default 2Mbps data rate and 0dBm output power */
/* NRF24L01 goes to RX mode by default */
NRF24L01_Init(15, 32);
/* Set RF settings, Data rate to 2Mbps, Output power to -18dBm */
NRF24L01_SetRF(NRF24L01_DataRate_2M, NRF24L01_OutputPower_M18dBm);
/* Set my address, 5 bytes */
//NRF24L01_SetMyAddress(MyAddress);
/* Set TX address, 5 bytes */
//NRF24L01_SetTxAddress(TxAddress);
uint8_t reg;
delay_(720000);
reg = NRF24L01_ReadRegister(NRF24L01_REG_CONFIG);
printf("NRF24L01_REG_CONFIG: 0x%X\r\n", reg);
reg = NRF24L01_ReadRegister(NRF24L01_REG_EN_RXADDR);
printf("NRF24L01_REG_EN_RXADDR: 0x%X\r\n", reg);
reg = NRF24L01_ReadRegister(NRF24L01_REG_RF_CH);
printf("NRF24L01_REG_RF_CH: 0x%X\r\n", reg);
reg = NRF24L01_ReadRegister(NRF24L01_REG_CONFIG);
printf("NRF24L01_REG_CONFIG: 0x%X\r\n", reg);
reg = NRF24L01_ReadRegister(NRF24L01_REG_RF_CH);
printf("NRF24L01_REG_RF_CH: 0x%X\r\n", reg);
reg = NRF24L01_ReadRegister(NRF24L01_REG_CONFIG);
printf("NRF24L01_REG_CONFIG: 0x%X\r\n", reg);
delay_(720000);
for (i = 0; i < 32; i++)
{
dataOut[i] = i + 30;
dataIn[i] = 0;
}
while (1) {
/* Transmit data, goes automatically to TX mode */
NRF24L01_Transmit(dataOut);
/* Turn on led to indicate sending */
LED2_ON;
/* Wait for data to be sent */
do {
transmissionStatus = NRF24L01_GetTransmissionStatus();
printf("transmissionStatus: %d\r\n", transmissionStatus);
delay_(72000);
} while (transmissionStatus == NRF24L01_Transmit_Status_Sending);
/* Turn off led */
LED2_OFF;
/* Go back to RX mode */
NRF24L01_PowerUpRx();
i = 0;
uint8_t status = NRF24L01_GetStatus();
printf("status: %d\r\n", status);
/* Wait received data, wait max 100ms, if time is larger, then data were probably lost */
while (!NRF24L01_DataReady())
{
delay_(720000);
i++;
printf("TM_NRF24L01_DataReady\r\n");
if( i > 100) break;
}
/* Get data from NRF2L01+ */
NRF24L01_GetData(dataIn);
printf("dataIn: %s\r\n", dataIn);
/* Check transmit status */
if (transmissionStatus == NRF24L01_Transmit_Status_Ok)
{
tr_count++;
printf("tr_count: %s\r\n", tr_count);
}
delay_(7200000);
}
}