uint8_t spiWrite(uint8_t reg, uint8_t val){
spiTransmit(LPC_SPI0, (reg | RFM69_SPI_WRITE_MASK), 1); // Send the address with the write mask on
spiReceive(LPC_SPI0);
spiTransmit(LPC_SPI0, val, 0);
spiReceive(LPC_SPI0);
}
uint8_t spiRead(uint8_t reg){
uint16_t data;
spiTransmit(LPC_SPI0, reg & ~RFM69_SPI_WRITE_MASK, 1);
spiReceive(LPC_SPI0);
spiTransmit(LPC_SPI0, 0x00, 0);
data = spiReceive(LPC_SPI0);
return data;
}
void spiBurstRead(uint8_t reg, uint8_t* dest, uint8_t len)
{
spiTransmit(LPC_SPI0, (reg & ~RFM69_SPI_WRITE_MASK), len);
spiReceive(LPC_SPI0);
len--;
while (len--){
spiTransmit(LPC_SPI0, 0x00, len);
*dest++ = spiReceive(LPC_SPI0);
}
}
void spi(){
uint8_t data;
spiInit();
uint8_t status = spiTransmit(data);
status = spiReceive();
}
void RFM69_spiFifoWrite(const uint8_t* src, int len)
{
spiTransmit(LPC_SPI0, (RFM69_REG_00_FIFO | RFM69_SPI_WRITE_MASK), 9);
spiReceive(LPC_SPI0);
spiTransmit(LPC_SPI0, len, 9);
spiReceive(LPC_SPI0);
len--;
uint8_t i = 0;
while (len >= 0){
spiTransmit(LPC_SPI0, src[i], len);
spiReceive(LPC_SPI0);
len--;
i++;
}
}