/* 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);
}
}
void copy_paste()
{
int temp;
nrf24_config(2, 4);
nrf24_tx_address(tx_address11);
nrf24_rx_address(rx_address11);
while (1) {
//LED0 = LED_ON;
//LED1 = LED_ON;
//LED2 = LED_ON;
//LED3 = LED_ON;
//delay_loop1();
//LED0 = LED_OFF;
//LED1 = LED_OFF;
//LED2 = LED_OFF;
//LED3 = LED_OFF;
//delay_loop1();
//nrf24_tx_address((uint8_t*) (uartBuffer + 1));
data_array[0] = 0x00;
data_array[1] = 0xAA;
data_array[2] = 0x55;
data_array[3] = 0x22;
/* Automatically goes to TX mode */
nrf24_send(data_array,4);
/* Wait for transmission to end */
while (nrf24_isSending());
/* Make analysis on last tranmission attempt */
temp = nrf24_lastMessageStatus();
if (temp == NRF24_TRANSMISSON_OK)
{
//Do something
}
else if (temp == NRF24_MESSAGE_LOST)
{
//Do something else
}
/* Retranmission count indicates the tranmission quality */
/* 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);
}
}
int main() {
DDRB |= 1<<PORTB3;
PORTB |= 1<<PORTB3;
ledPort |= _BV(ledPin);
/* 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);
pwm_init(); // initialize timer in PWM mode
interupt_init(); //initalize Interrupt 0
/* Fill the data buffer */
data_array[0] = deviceID;
data_array[1] = 0xAA;
while(1) {
data_array[3] = events;
data_array[2] = events >> 8;
nrf24_send(data_array);
/* Wait for transmission to end */
while(nrf24_isSending()) {
}
ledPort ^= _BV(ledPin);
_delay_ms(80000);
}
}
/* ------------------------------------------------------------------------- */
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);
}
}
int main() {
uint8_t i, change;
uint8_t hand;
uint32_t timeout = 0;
uart_init();
xdev_out(uart_putchar);
// Determine which hand this is from PE2
// Left is hand 0, right is hand 1
PORTE = (1 << 2);
DDRE = 0;
hand = (PINE & 0x04) ? 0 : 1;
xprintf("\r\nHand %d\r\n", hand);
// Initialise NRF24
// Set the last byte of the address to the hand ID
rx_address[4] = hand;
nrf24_init();
nrf24_config(CHANNEL, sizeof msg);
nrf24_tx_address(tx_address);
nrf24_rx_address(rx_address);
matrix_init();
msg[0] = hand & 0x01;
msg[1] = 0;
msg[2] = 0;
// Set up LED and flash it briefly
DDRE |= 1<<6;
PORTE = 1<<6;
_delay_ms(500);
PORTE = 0;
get_voltage();
check_voltage();
// Scan the matrix and detect any changes.
// Modified rows are sent to the receiver.
while (1) {
timeout++;
matrix_scan();
for (i=0; i<ROWS; i++) {
change = matrix_prev[i] ^ matrix[i];
// If this row has changed, send the row number and its current state
if (change) {
if (DEBUG) xprintf("%d %08b -> %08b %ld\r\n", i, matrix_prev[i], matrix[i], timeout);
msg[1] = i;
msg[2] = matrix[i];
nrf24_send(msg);
while (nrf24_isSending());
timeout = 0;
}
matrix_prev[i] = matrix[i];
}
// Sleep if there has been no activity for a while
if (timeout > SLEEP_TIMEOUT) {
timeout = 0;
enter_sleep_mode();
}
}
}
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();
}
int main(void)
{
/* Initialise the GPIO block */
gpioInit();
/* Initialise the UART0 block for printf output */
//uart0Init(115200);
uart0Init(9600);
/* Configure the multi-rate timer for 1ms ticks */
mrtInit(__SYSTEM_CLOCK/1000);
/* Configure the switch matrix (setup pins for UART0 and GPIO) */
//configurePins();
spiInit(LPC_SPI0, 6, 0);
SwitchMatrix_Init(); //uart & spi
LPC_GPIO_PORT->DIR0 |= (1 << CSN);
LPC_GPIO_PORT->DIR0 |= (1 << CE);
uint8_t temp = 0;
nrf24_init();
/* Set the LED pin to output (1 = output, 0 = input) */
#if !defined(USE_SWD)
LPC_GPIO_PORT->DIR0 |= (1 << LED_LOCATION);
#endif
//printf("write");
mrtDelay(500);
nrf24_config(2,16);
#if TX_NODE
nrf24_tx_address(tx_address);
nrf24_rx_address(rx_address);
#else
nrf24_tx_address(rx_address); //backwards looking but is fine
nrf24_rx_address(tx_address);
#endif
uint8_t i = 0;
while(1)
{
/* Turn LED On by setting the GPIO pin high */
LPC_GPIO_PORT->SET0 = 1 << LED_LOCATION;
mrtDelay(500);
/* Turn LED Off by setting the GPIO pin low */
LPC_GPIO_PORT->CLR0 = 1 << LED_LOCATION;
mrtDelay(500);
/*
printf("Send\r\n");
for(i=0; i<16; i++){
printf("%d: %d\n\r", i, tx_data_array[i]);
}
*/
nrf24_send(tx_data_array);
while(nrf24_isSending());
nrf24_powerUpRx();
//done transmitting, set back to rx mode
for(i=0; i<16; i++){
tx_data_array[i]++;
}
/*
if(nrf24_dataReady()){
printf("\n\rGot data\n\r");
nrf24_getData(rx_data_array);
for(i=0; i<16; i++){
printf("%d: %d\n\r", i, rx_data_array[i]);
}
}
*/
}
}
