/* Send function.
* Write to send_buf[1] - send_buf[31] before calling this function.
* command will be placed in send_buf[0].*/
void send(command_t command)
{
uint8_t i;
// Set operation mode to transmit.
CE_LOW();
hal_nrf_set_operation_mode(HAL_NRF_PTX);
// Copy command to send buffer.
send_buf[0] = command;
hal_nrf_write_tx_payload(send_buf, PAYLOAD_SIZE);
// Activate sender
CE_PULSE();
send_success = false;
// Wait for radio to transmit
while (RFF != 1) ;
RFF = 0;
nrf_irq();
// Clear send buffer.
for (i = 0; i < PAYLOAD_SIZE; i++) {
send_buf[i] = 0x00;
}
// Reset operation mode to receive.
hal_nrf_set_operation_mode(HAL_NRF_PRX);
CE_HIGH();
}
/** Send the RF packet to designated destination.
* Use this function to send RF packet.
*
* @param *in_dst_addr The destination address.
* @param *in_tx_pload The pointer point to the packet to be sent.
* @param in_length The packet length.
*/
void epl_rf_en_send_dst(unsigned char *in_dst_addr, unsigned char *in_tx_pload, unsigned char in_pload_length)
{
hal_nrf_set_address(HAL_NRF_TX, in_dst_addr); // Address for PTX (The address of destination.)
epl_rf_en_enter_tx_mode();
hal_nrf_write_tx_payload(in_tx_pload, in_pload_length);
CE_PULSE();
}
void radio_send_packet(uint8_t *packet, uint8_t length)
{
hal_nrf_write_tx_pload(packet, length); // load message into radio
CE_PULSE(); // send packet
radio_set_status (RF_BUSY); // trans. in progress; RF_BUSY
}
//Send a packed in no-ack mode
void NRF24L01_TxPacketNoAck(char *payload, char len)
{
int i;
//Send the packet in the TX buffer
RADIO_EN_CS();
SPI_SendByte(CMD_W_PAYLOAD_NO_ACK);
for(i=0;i<len;i++)
SPI_SendByte(payload[i]);
RADIO_DIS_CS();
//Pulse CE
CE_PULSE();
return;
}
//Send a packed in no-ack mode
void radioTxPacketNoAck(__xdata char *payload, char len)
{
int i;
//Send the packet in the TX buffer
RADIO_EN_CS();
spiRadioSend(CMD_W_TX_PAYLOAD_NO_ACK);
for(i=0;i<len;i++)
spiRadioSend(payload[i]);
RADIO_DIS_CS();
//Pulse CE
CE_PULSE();
return;
}
void main()
{
P0DIR = ~((1<<4)|(1<<0));
// hal_spi_slave_init( HAL_SPI_MODE_0, HAL_SPI_LSB_MSB);
SPISCON0 = 0x40;
I3FR = 1; // rising edge SPI ready detect
P0_0 = 0;
INTEXP = 0x01; //Slave SPI Interrupt
// ET0 = 1; // enable timer interrupt
// EX0 = 1;
SPISDAT = 0xAA;
SPISDAT = 0xAA;
SPI = 1; // Enable SPI Interrupt
SPISCON0 |= 0x01;
// Enable the radio clock
// RFCKEN = 1;
// Enable RF interrupt
// RF = 1;
// Enable global interrupt
EA = 1;
// Power up radio
hal_nrf_set_power_mode(HAL_NRF_PWR_UP);
while(1)
{
while(radio_busy);
hal_nrf_write_tx_payload('a', 1);
// Toggle radio CE signal to start transmission
CE_PULSE();
radio_busy = true;
}
}
void main()
{
uint8_t is = 0;;
acq_block = 0;
P0DIR = ~( 1<<6);
//P1DIR = ~((1<<6) | (1<<5) | (1<<3));
// P0CON = 0x66;
#ifdef MCU_NRF24LU1P
USBSLP = 0x01; // disable usb
// P0DIR = (1<<3)|(1<<1)|(1<<0);
// P0ALT = 0x0F;
// P0EXP = 0x02; // Slave SPI for P0
// SSCONF = 0x01; //Enable slave SPI
// Enable radio SPI
RFCTL = 0x10;
// I3FR = 1; // rising edge SPI ready detect
P0_0 = 0;
// INTEXP = 0x01; //Slave SPI Interrupt
#else
// P0DIR = ~((1<<4)|(1<<0));
// SPISCON0 = 0x40;
// I3FR = 1; // rising edge SPI ready detect
// P1_4 = 1;
// INTEXP = 0x01; //Slave SPI Interrupt
#endif
// SPI = 1; // Enable SPI Interrupt
// ET0 = 1; // enable timer interrupt
// EX0 = 1;
// hal_digi_init();
// hal_digi_write(0);
prog_led(14);
prog_led(0);
init_radio();
init_adc();
initTimer();
cnt = MAXLENGTH;
dataNeedsTx = 0;
hal_adc_start();
procPayload = false;
for(;;)
{
if(!isStimulating)
{
// PWRDWN = 0x07;
}
if(dataNeedsTx)
{
P1_4 = 1;
++pktCount;
payload[((acq_block^(0x01))&(0x01))][MAXLENGTH] = (isStimulating) + (pktCount&(0x7F));
// hal_nrf_set_power_mode(HAL_NRF_PWR_UP);
hal_nrf_write_tx_payload(payload[((acq_block^(0x01))&(0x01))],MAXLENGTH+1);
P1_4 = 0;
radio_busy = true;
// Toggle radio CE signal to start transmission
CE_PULSE();
// Wait for radio operation to finish
while(radio_busy);
// hal_nrf_set_power_mode(HAL_NRF_PWR_DOWN);
if(procPayload)
{
procPayload = false;
pAll = (progAll *)progPayload;
if(pAll->pType == PROGSTIM)
{
pStim = pAll->pStim;
// g_Amplitude = pStim.Amplitude;
if(0 == pStim.Freq || 0 == pStim.Amplitude)
{
ET2 = 0; // disable timer2 interrupt
isStimulating = 0;
prog_led(pStim.Amplitude);
}
else
{
ET2 = 1;
progTimer(&pStim);
}
}
if(pAll->pType == PROGALGO)
{
pAlgo = pAll->pAlgo;
low_thresh = pAlgo.low;
high_thresh = pAlgo.high;
progSD(&pAlgo);
}
}
dataNeedsTx = 0;
}
}
}
/** Send the RF packet with the unchanged destination address.
* Use this function to send RF packet with the last destination
* address.
*
* @param *in_tx_pload The pointer point to the packet to be sent.
* @param in_length The packet length.
*/
void epl_rf_en_send(unsigned char *in_tx_pload, unsigned char in_pload_length)
{
epl_rf_en_enter_tx_mode();
hal_nrf_write_tx_payload(in_tx_pload, in_pload_length);
CE_PULSE();
}