MRF24J40 Class Reference

 #include "mbed.h"
 #include "MRF24J40.h"
 
 // RF tranceiver to link with handheld.
 MRF24J40 mrf(p11, p12, p13, p14, p21);
 
 // LEDs
 DigitalOut led1(LED1);
 DigitalOut led2(LED2);
 DigitalOut led3(LED3);
 DigitalOut led4(LED4);
 
 // Timer.
 Timer timer;
 
 // Serial port for showing RX data.
 Serial pc(USBTX, USBRX); 
 
 // Send / receive buffers.
 // IMPORTANT: The MRF24J40 is intended as zigbee tranceiver; it tends
 // to reject data that doesn't have the right header. So the first 
 // 8 bytes in txBuffer look like a valid header. The remaining 120
 // bytes can be used for anything you like.
 uint8_t txBuffer[128]= {1, 8, 0, 0xA1, 0xB2, 0xC3, 0xD4, 0x00};
 
 uint8_t rxBuffer[128];
 uint8_t rxLen;
 
 int main (void)
 {
     uint8_t count = 0;
     pc.baud(115200);
     timer.start();
     while(1)
     {
         // Check if any data was received. 
         rxLen = mrf.Receive(rxBuffer, 128);
         if(rxLen) 
         {
             // Toggle LED 1 upon each reception of data.
             led1 = led1^1;
             // Send to serial.
             // IMPORTANT: The last two bytes of the received data
             // are the checksum used in the transmission. 
             for(uint8_t i=0; i<rxLen; i++)
             {
                 pc.printf("0x%02X ", rxBuffer[i]);
             }
             pc.printf("\r\n");
         }
         
         // Each second, send some data.
         if(timer.read_ms() >= 1000) 
         {
             timer.reset();
             // Toggle LED 2.
             led2 = led2^1;
             
             // UART.
             pc.printf("TXD\r\n");
             
             // Send counter value.
             count++;
             txBuffer[8] = count;
             mrf.Send(txBuffer, 9);
         }
     }
 }