// Sends a data package to the default address. Be sure to send the correct
// amount of bytes as configured as payload on the receiver.
void nrf24_send(uint8_t* value)
{
/* Go to Standby-I first */
nrf24_ce_digitalWrite(LOW);
/* Set to transmitter mode , Power up if needed */
nrf24_powerUpTx();
/* Do we really need to flush TX fifo each time ? */
#if 1
/* Pull down chip select */
nrf24_csn_digitalWrite(LOW);
/* Write cmd to flush transmit FIFO */
spi_transfer(FLUSH_TX, 1);
/* Pull up chip select */
nrf24_csn_digitalWrite(HIGH);
#endif
/* Pull down chip select */
nrf24_csn_digitalWrite(LOW);
/* Write cmd to write payload */
spi_transfer(W_TX_PAYLOAD, 0);
/* Write payload */
nrf24_transmitSync(value,payload_len);
/* Pull up chip select */
nrf24_csn_digitalWrite(HIGH);
/* Start the transmission */
nrf24_ce_digitalWrite(HIGH);
}
/* Write to a single register of nrf24 */
void nrf24_writeRegister(uint8_t reg, uint8_t* value, uint8_t len)
{
nrf24_csn_digitalWrite(LOW);
spi_transfer(W_REGISTER | (REGISTER_MASK & reg));
nrf24_transmitSync(value,len);
nrf24_csn_digitalWrite(HIGH);
}
void nrf24_test_sender()
{
int temp;
data_array[0] = 0x00;
data_array[1] = 0xAA;
data_array[2] = 0x55;
data_array[3] = 0x00;
nrf24_ce_digitalWrite(LOW);
/* Set to transmitter mode , Power up if needed */
nrf24_powerUpTx();
/* Do we really need to flush TX fifo each time ? */
#if 1
/* Pull down chip select */
nrf24_csn_digitalWrite(LOW);
/* Write cmd to flush transmit FIFO */
spi_transfer(FLUSH_TX);
/* Pull up chip select */
nrf24_csn_digitalWrite(HIGH);
#endif
/* Pull down chip select */
nrf24_csn_digitalWrite(LOW);
/* Write cmd to write payload */
spi_transfer(W_TX_PAYLOAD);
/* Write payload */
nrf24_transmitSync(data_array, 30);
/* Pull up chip select */
nrf24_csn_digitalWrite(HIGH);
/* Start the transmission */
nrf24_ce_digitalWrite(HIGH);
/* Wait for transmission to end */
}
void nrf24_send(const void *value, unsigned short payload_len)
{
//This is supposed to be modularisd and call prepare and transmit but for now we just do
//everythung here
/* Go to Standby-I first */
int i=0;
length_arr=payload_len;
//payload_len=23;
//nrf24_test_sender();
//return;
for(i=0;i<127;i++)
{
data[i]=0;
}
for(i=0;i<payload_len;i++)
{
data[i]=((uint8_t *)value)[i];
}
nrf24_ce_digitalWrite(LOW);
/* Set to transmitter mode , Power up if needed */
nrf24_powerUpTx();
/* Do we really need to flush TX fifo each time ? */
#if 1
/* Pull down chip select */
nrf24_csn_digitalWrite(LOW);
/* Write cmd to flush transmit FIFO */
spi_transfer(FLUSH_TX);
/* Pull up chip select */
nrf24_csn_digitalWrite(HIGH);
#endif
/* Pull down chip select */
nrf24_csn_digitalWrite(LOW);
/* Write cmd to write payload */
spi_transfer(W_TX_PAYLOAD);
/* Write payload */
nrf24_transmitSync(value,payload_len);
/* Pull up chip select */
nrf24_csn_digitalWrite(HIGH);
/* Start the transmission */
nrf24_ce_digitalWrite(HIGH);
//while(true);
//while(1);
//while(1);
while(nrf24_isSending());
//nrf24_powerUpRx();
}
