main.cpp

00001 #include "mbed.h"
00002 #include <RF24Network.h>
00003 #include <RF24.h>
00004  
00005 Serial pc(USBTX, USBRX);
00006 InterruptIn button(D4);
00007  
00008 PwmOut mypwm(D5);
00009  
00010 RF24 radio(SPI_MOSI, SPI_MISO, SPI_SCK, D9, SPI_CS );
00011 
00012 DigitalIn A(D8);
00013 DigitalIn B(D7);
00014 DigitalIn C(D6);
00015 
00016 
00017 // Network uses that radio
00018 RF24Network network(radio);
00019  
00020  
00021 // Address of our node
00022 uint16_t this_node;
00023 
00024 // Address of the other node
00025 const uint16_t other_node = 00;
00026  
00027 // When did we last send?
00028 unsigned long last_sent;
00029  
00030 // How many have we sent already
00031 unsigned long packets_sent;
00032  
00033 // Structure of our payload
00034 struct payload_t 
00035 {
00036     unsigned long ms;
00037     unsigned long counter;
00038 };
00039  
00040 //interruption du NRF24
00041 void pressed()
00042 {
00043     mypwm.write(0.5);
00044 }
00045  
00046 int main()
00047 {
00048     button.enable_irq();
00049     button.rise(&pressed);
00050     mypwm.period_us(40);
00051     mypwm.pulsewidth_us(20);
00052     mypwm.write(0.0);
00053     
00054 if((!A.read()) && (!B.read()) && (C.read()) ) this_node = 01;
00055 else if(!(A.read()) && (B.read()) && !(C.read()) ) this_node = 02;
00056 else this_node = 03;
00057 
00058     pc.baud(115200);
00059     wait_ms(500);
00060  
00061     pc.printf("mBed RF24Network node\r\n");
00062     radio.begin();
00063     network.begin(/*channel*/ 90, /*node address*/ this_node);
00064     wait_ms(1000);
00065  
00066     while(1) 
00067     {
00068         // Pump the network regularly
00069         network.update();
00070         
00071         // Is there anything ready for us?
00072         while ( network.available() ) 
00073         {
00074             // If so, grab it and print it out
00075             RF24NetworkHeader header_rx;
00076             payload_t payload_rx;
00077             network.read(header_rx,&payload_rx,sizeof(payload_rx));
00078             pc.printf("Received packet # %d at %d ms\r\n",payload_rx.counter,payload_rx.ms);
00079             
00080             wait_us(1750);
00081             mypwm.write(0.0);
00082         }
00083  
00084     }
00085  
00086 }   
00087