Sender.cpp

00001 #include "mbed.h"
00002  
00003 // Code from TNode/TGateway @ Anarduino.com
00004 // NOTE: code sample was inspired from ideas gained from: https://github.com/aanon4/RFM69
00005 //
00006 // Sender - periodically send time(millis), radio temperature, RSSI to listener...
00007 // 2014 - anarduino.com
00008 //
00009 #include <RFM69.h>
00010 
00011 #define GATEWAY_ID    1
00012 #define NODE_ID       9    // node ID
00013 #define NETWORKID     101    //the same on all nodes that talk to each other
00014 #define MSG_INTERVAL  100
00015 
00016 // Uncomment only one of the following three to match radio frequency
00017 //#define FREQUENCY     RF69_433MHZ    
00018 //#define FREQUENCY     RF69_868MHZ
00019 #define FREQUENCY     RF69_915MHZ
00020 
00021 #define IS_RFM69HW   //NOTE: uncomment this ONLY for RFM69HW or RFM69HCW
00022 #define ENCRYPT_KEY    "EncryptKey123456"  // use same 16byte encryption key for all devices on net
00023 #define ACK_TIME       50                  // max msec for ACK wait
00024 #define LED            9                   // Anardino miniWireless has LEDs on D9
00025 #define SERIAL_BAUD    115200
00026 #define VERSION  "1.0"
00027 
00028 #define MSGBUFSIZE 64   // message buffersize, but for this demo we only use: 
00029                         // 1-byte NODEID + 4-bytes for time + 1-byte for temp in C + 2-bytes for vcc(mV)
00030 char msgBuf[MSGBUFSIZE];
00031 
00032 #ifdef TARGET_NUCLEO_F401RE
00033 Serial pc(USBTX, USBRX);
00034 DigitalOut myled(D9);             //"Moteino Half Shield" has LED on D9
00035 //RFM69::RFM69(PinName  PinName mosi, PinName miso, PinName sclk,slaveSelectPin, PinName int)
00036 RFM69 radio(D11,D12,D13,D10,D8);
00037 #elif defined(TARGET_NUCLEO_L152RE)
00038 Serial pc(USBTX, USBRX);
00039 DigitalOut myled(D9);             //"Moteino Half Shield" has LED on D9
00040 //RFM69::RFM69(PinName  PinName mosi, PinName miso, PinName sclk,slaveSelectPin, PinName int)
00041 RFM69 radio(D11,D12,D13,D10,D8);
00042 #elif  defined(TARGET_LPC1114)
00043 Serial pc(USBTX, USBRX);
00044 DigitalOut myled(LED1);
00045 //RFM69::RFM69(PinName  PinName mosi, PinName miso, PinName sclk,slaveSelectPin, PinName int)
00046 RFM69 radio(dp2,dp1,dp6,dp4,dp9);
00047 #elif  defined(TARGET_LPC1768)
00048 Serial pc(USBTX, USBRX);
00049 DigitalOut myled(D9);             //"Moteino Half Shield" has LED on D9
00050 //RFM69::RFM69(PinName  PinName mosi, PinName miso, PinName sclk,slaveSelectPin, PinName int)
00051 RFM69 radio(D11,D12,D13,D10,D8);    // Seeedstudio Arch Pro
00052 //RFM69 radio(p5, p6, p7, p10, p9,p8)  // Mbed 1768 ?
00053 #endif
00054 
00055 bool promiscuousMode = false; // set 'true' to sniff all packets on the same network
00056 bool requestACK=false;
00057 Timer tmr;
00058 
00059 main() {
00060   memset(msgBuf,0,sizeof(msgBuf));
00061   int i=1;
00062   long l;
00063   tmr.start();
00064 
00065   pc.baud(SERIAL_BAUD);
00066   pc.printf("Sender %s startup at %d Mhz...\r\n",VERSION,(FREQUENCY==RF69_433MHZ ? 433 : FREQUENCY==RF69_868MHZ ? 868 : 915));
00067   wait(2);
00068   radio.initialize(FREQUENCY, NODE_ID, NETWORKID);
00069   radio.encrypt(0);
00070   radio.setPowerLevel(20);
00071   radio.promiscuous(promiscuousMode);
00072 #ifdef IS_RFM69HW
00073   radio.setHighPower(); //uncomment #define ONLY if radio is of type: RFM69HW or RFM69HCW 
00074 #endif
00075   msgBuf[0] = (uint8_t)NODE_ID;  // load NODEID
00076 
00077 while(1) {
00078   uint8_t tempC =  radio.readTemperature(-1); // -1 = user cal factor, adjust for correct ambient
00079   uint8_t tempF = 1.8 * tempC + 32; // 9/5=1.8
00080  
00081   l = tmr.read_ms();  // load time
00082 
00083   sprintf((char*)msgBuf,"#%d, t=%Lu, temp=%dF, RSSI=%d ",i,l,tempF,radio.RSSI); 
00084    if(radio.sendWithRetry((uint8_t)GATEWAY_ID, msgBuf,strlen(msgBuf),true))
00085             pc.printf("Packet %d sent, Ack ok!\r\n",i++);
00086        else pc.printf("Packet %d sent, no Ack!\r\n",i++);
00087   wait_ms(MSG_INTERVAL);
00088   myled = !myled;
00089   }
00090 }