void NRF_ReadSingleRegister(uint8_t reg, uint8_t* data){
SPI_ClearRxBuffer();
Control_Write(0);
SPI_WriteTxData(NRF_R_REGISTER | reg);
SPI_WriteTxData(NRF_NOP);
while(!(SPI_ReadTxStatus() & SPI_STS_SPI_IDLE));
Control_Write(1);
(void)SPI_ReadRxData(); /* Dummy read, this is the STATUS Register */
*data = SPI_ReadRxData();
return;
}
// Read short register
uint8 zigbee_short_read(uint8 adr)
{
adr = adr << 1; // Setup address for read
SPI_WriteTxData(adr); // Send SPI address
SPI_WriteTxData(0x00); // Send dummy byte for read
while( !(SPI_ReadTxStatus() & 0x01)); // while not: SPI-done, wait
return SPI_ReadRxData(); // Read SPI data
}
void NRF_ReadMultipleRegister(uint8_t reg, uint8_t* bufIn , uint8_t bufSize){
uint8_t i = 0, j = 0;
SPI_ClearRxBuffer();
Control_Write(0);
SPI_WriteTxData(NRF_R_REGISTER | reg);
for(; i < bufSize; i++){
SPI_WriteTxData(NRF_NOP);
}
(void)SPI_ReadRxData(); /* Dummy read, this is the STATUS Register */
for(; j < bufSize; j++){
*(bufIn + j) = SPI_ReadRxData();
}
while(!(SPI_ReadTxStatus() & SPI_STS_SPI_IDLE));
Control_Write(1);
return;
}
/**
* @brief Funcion para obtener el registro STATUS.
* @return Valor del registro STATUS.
*/
uint8_t NRF_GetStatus(void){
SPI_ClearRxBuffer();
Control_Write(0);
SPI_WriteByte(NRF_NOP);
while(!(SPI_ReadTxStatus() & SPI_STS_SPI_IDLE));
Control_Write(1);
return (uint8_t)SPI_ReadRxData();
}
// Read long register
uint8 zigbee_long_read(uint16 adr)
{
uint8 adrMSB, adrLSB;
adr = (adr << 5) | (1 << 15); // Setup address for read
adrMSB = adr >> 8; // Setup address MSB
adrLSB = adr; // Setup address LSB
SPI_WriteTxData(adrMSB); // Send SPI address MSB
SPI_WriteTxData(adrLSB); // Send SPI address LSB
SPI_WriteTxData(0x00); // Send dummy byte for read
while( !(SPI_ReadTxStatus() & 0x01)); // while not: SPI-done, wait
return SPI_ReadRxData(); // Read SPI data
}
