/* Send data using the nRF radio */
void radioTask(void *pvParameters)
{
(void) pvParameters;
uint8_t rfData[NRF24_PAYLOAD_LEN];
uint8_t rcvData[NRF24_PAYLOAD_LEN];
uint8_t pktCounter = 0;
uint8_t blinkCounter = 0;
const portTickType blinkDelay = 250 / portTICK_RATE_MS;
const portTickType sendDelay = 5000 / portTICK_RATE_MS;
rfData[0] = 0xB1;
rfData[1] = 0x3A;
rfData[2] = 0x23;
while(1)
{
if(nrf24_dataReady())
{
nrf24_getData(rcvData);
// Format message for debugging
char debugRcvString[3*6] = {0};
for (uint8_t i=0; i < NRF24_PAYLOAD_LEN; i++)
{
sprintf(debugRcvString+(3*i), "%02X ", rcvData[i]);
}
printf("Received: %s\n", debugRcvString);
}
rfData[3] = pktCounter++;
nrf24_send(rfData);
while(nrf24_isSending());
char debugSendString[3*6] = {0};
for (uint8_t i = 0; i < NRF24_PAYLOAD_LEN; i++)
{
sprintf(debugSendString+(3*i), "%02X ", rfData[i]);
}
printf("Sent: %s\n", debugSendString);
if(nrf24_lastMessageStatus())
{
//there was a send problem
}else{
//transmission was ok
}
for(blinkCounter = 1 + nrf24_retransmissionCount(); blinkCounter > 0; --blinkCounter)
{
PORTC |= _BV(PORTC3);
vTaskDelay(blinkDelay);
PORTC &= ~_BV(PORTC3);
vTaskDelay(blinkDelay);
}
nrf24_powerUpRx();
vTaskDelay(sendDelay);
}
}
/* ------------------------------------------------------------------------- */
int main()
{
/* init the software uart */
uart_init();
/* init the xprintf library */
xdev_out(uart_put_char);
/* simple greeting message */
xprintf("\r\n> TX device ready\r\n");
/* init hardware pins */
nrf24_init();
/* Channel #2 , payload length: 4 */
nrf24_config(2,4);
/* Set the device addresses */
nrf24_tx_address(tx_address);
nrf24_rx_address(rx_address);
while(1)
{
/* Fill the data buffer */
data_array[0] = 0x00;
data_array[1] = 0xAA;
data_array[2] = 0x55;
data_array[3] = q++;
/* Automatically goes to TX mode */
nrf24_send(data_array);
/* Wait for transmission to end */
while(nrf24_isSending());
/* Make analysis on last tranmission attempt */
temp = nrf24_lastMessageStatus();
if(temp == NRF24_TRANSMISSON_OK)
{
xprintf("> Tranmission went OK\r\n");
}
else if(temp == NRF24_MESSAGE_LOST)
{
xprintf("> Message is lost ...\r\n");
}
/* Retranmission count indicates the tranmission quality */
temp = nrf24_retransmissionCount();
xprintf("> Retranmission count: %d\r\n",temp);
/* Optionally, go back to RX mode ... */
nrf24_powerUpRx();
/* Or you might want to power down after TX */
// nrf24_powerDown();
/* Wait a little ... */
_delay_ms(10);
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
void main(void)
{
static u8 status;
bool flag_display_retrans_cnt;
disableInterrupts();
Config();
Errors_Init();
enableInterrupts();
Goto_HALT();
while (1)
{
if((btn_pressed != BUTTON1) && (btn_pressed != BUTTON2))
{
DELAY_STOP;
goto sleep;
}
PWR_PVDCmd(ENABLE); /* Power voltage detector and brownout Reset unit supply current 2,6uA */
PWR_PVDLevelConfig(PWR_PVDLevel_2V26); /* Set Programmable voltage detector threshold to 2,26V */
if(DELAY_EXPIRED)
flag_display_retrans_cnt = TRUE;
else
flag_display_retrans_cnt = FALSE;
while(!DELAY_EXPIRED); /* wait for power-up delay to expire (199.68ms) - needed for nRF24L01+ power up */
DELAY_STOP;
CLK_PeripheralClockConfig(CLK_Peripheral_SPI1, ENABLE);
nrf24_init(); /* init hardware pins */
nrf24_config(0, 6); /* Channel #0 , payload length: 6 */
nrf24_tx_address(tx_address); /* Set the device addresses */
nrf24_rx_address(rx_address);
/* Check NRF24 Init error */
if(Errors_CheckError(ERROR_NRF24_INIT))
{
LED_Red_Blink(2);
goto sleep;
}
TXmsg.M.status = 0; /* Reset status byte */
/* Check Programmable voltage detector (PVD) output flag, if battery low send this information */
/* Internal reference voltage should be stable at this point */
if(PWR->CSR1 & PWR_FLAG_PVDOF)
{
/* VDD/VDDA is below the VPVD threshold (2,26V) */
TXmsg.M.status |= STATUS_LOWBATT;
}
PWR_PVDCmd(DISABLE);
if(btn_pressed == BUTTON1)
{
TXmsg.M.ownID = (u32)ownID_btn1;
TXmsg.M.txcnt = tx_cnt++;
nrf24_send((u8*)&TXmsg.B.b[0]);
}
else if(btn_pressed = BUTTON2)
{
TXmsg.M.ownID = (u32)ownID_btn2;
TXmsg.M.txcnt = tx_cnt++;
nrf24_send((u8*)&TXmsg.B.b[0]);
}
btn_pressed = 0;
do
{
status = nrf24_getStatus();
}
while(!(status & ((1 << TX_DS) | (1 << MAX_RT))));
if(status & (1 << TX_DS)) /* send successful */
{
if(flag_display_retrans_cnt)
{
u8 i;
u8 retrans_cnt = nrf24_retransmissionCount();
LED_Green_Blink(retrans_cnt);
}
else
{
LED_Green_Blink(1);
}
}
else if(status & (1 << MAX_RT)) /* send failed, max retries exceeded */
{
LED_Red_Blink(1);
}
sleep:
Goto_HALT();
}
}
