Tom Sullivan / Mbed 2 deprecated IOT_Project_AnalogDisplay

Display analog voltages from mbed board in a browser. Uses smoothie.js called from html page. mbed sends AnalogIn, AnalogOut, and temperature signals.

Dependencies:   C12832_lcd EthernetInterface LM75B MMA7660 WebSocketClient mbed-rtos mbed

main.cpp@0:5f2b64d6ed81, 2014-06-09 (annotated)

Committer:
thomas_sullivan
Date:
Mon Jun 09 22:54:42 2014 +0000
Revision:
0:5f2b64d6ed81
Displays analog input data in a browser using smoothie.js.  Use similar to an oscilloscope for debugging or data output.  Corresponding html and javascript code available.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
thomas_sullivan 0:5f2b64d6ed81 1 //IOT Class Project. June 9, 2014. Tom Sullivan
thomas_sullivan 0:5f2b64d6ed81 2
thomas_sullivan 0:5f2b64d6ed81 3 #include "mbed.h"
thomas_sullivan 0:5f2b64d6ed81 4 #include "LM75B.h"
thomas_sullivan 0:5f2b64d6ed81 5 #include "C12832_lcd.h"
thomas_sullivan 0:5f2b64d6ed81 6 #include "EthernetInterface.h"
thomas_sullivan 0:5f2b64d6ed81 7 #include "NTPClient.h"
thomas_sullivan 0:5f2b64d6ed81 8 #include "MMA7660.h"
thomas_sullivan 0:5f2b64d6ed81 9 #include "Websocket.h"
thomas_sullivan 0:5f2b64d6ed81 10
thomas_sullivan 0:5f2b64d6ed81 11 C12832_LCD lcd;
thomas_sullivan 0:5f2b64d6ed81 12 DigitalOut led1(LED1);
thomas_sullivan 0:5f2b64d6ed81 13 MMA7660 MMA(p28, p27);
thomas_sullivan 0:5f2b64d6ed81 14 AnalogIn pot20(p20);
thomas_sullivan 0:5f2b64d6ed81 15 AnalogIn pot19(p19);
thomas_sullivan 0:5f2b64d6ed81 16 AnalogIn ain17(p17);
thomas_sullivan 0:5f2b64d6ed81 17 AnalogOut aout18(p18);
thomas_sullivan 0:5f2b64d6ed81 18 BusIn joy(p15,p12,p13,p16); //DigitalIn joyUp(p15), joyDown(p12), joyLeft(p13), joyRight(p16);
thomas_sullivan 0:5f2b64d6ed81 19
thomas_sullivan 0:5f2b64d6ed81 20 Ticker myTicker1;
thomas_sullivan 0:5f2b64d6ed81 21 EthernetInterface eth;
thomas_sullivan 0:5f2b64d6ed81 22 NTPClient ntp;
thomas_sullivan 0:5f2b64d6ed81 23 time_t currentTime;
thomas_sullivan 0:5f2b64d6ed81 24 char dataOut[128];
thomas_sullivan 0:5f2b64d6ed81 25
thomas_sullivan 0:5f2b64d6ed81 26 //Temperature variables
thomas_sullivan 0:5f2b64d6ed81 27 LM75B tmp(p28,p27);
thomas_sullivan 0:5f2b64d6ed81 28 float tempNow, tempHI=80,tempLO=60;
thomas_sullivan 0:5f2b64d6ed81 29 float coolHyst = 1, heatHyst = 1;
thomas_sullivan 0:5f2b64d6ed81 30 int Pressing = 0;
thomas_sullivan 0:5f2b64d6ed81 31 int heatOn = 0, coolOn = 0; //disabled = -1, enabled/Off = 0, enabled/On = 1
thomas_sullivan 0:5f2b64d6ed81 32
thomas_sullivan 0:5f2b64d6ed81 33 //set flag that indicates it is time to output data to the web socket
thomas_sullivan 0:5f2b64d6ed81 34 void sendData() {
thomas_sullivan 0:5f2b64d6ed81 35 led1 = 1; //!led1;
thomas_sullivan 0:5f2b64d6ed81 36 }
thomas_sullivan 0:5f2b64d6ed81 37
thomas_sullivan 0:5f2b64d6ed81 38 int main()
thomas_sullivan 0:5f2b64d6ed81 39 {
thomas_sullivan 0:5f2b64d6ed81 40 printf("\n\r-----Starting Project-----\n\r");
thomas_sullivan 0:5f2b64d6ed81 41 //Connect to ethernet. Use DHCP. **********************
thomas_sullivan 0:5f2b64d6ed81 42 eth.init();
thomas_sullivan 0:5f2b64d6ed81 43 eth.connect();
thomas_sullivan 0:5f2b64d6ed81 44 printf("IP Address is %s\n\r", eth.getIPAddress());
thomas_sullivan 0:5f2b64d6ed81 45
thomas_sullivan 0:5f2b64d6ed81 46
thomas_sullivan 0:5f2b64d6ed81 47 //Connect to mbed websocket server
thomas_sullivan 0:5f2b64d6ed81 48 printf("Connecting to mbed websocket server channel 445\n\r");
thomas_sullivan 0:5f2b64d6ed81 49 Websocket ws("ws://sockets.mbed.org/ws/445/rw");
thomas_sullivan 0:5f2b64d6ed81 50 //Websocket ws("17.244.173.207");//ws://sockets.mbed.org/ws/445/rw");
thomas_sullivan 0:5f2b64d6ed81 51 ws.connect();
thomas_sullivan 0:5f2b64d6ed81 52 printf("Done connecting\n\r");
thomas_sullivan 0:5f2b64d6ed81 53
thomas_sullivan 0:5f2b64d6ed81 54 //Attach ticker with X second timing
thomas_sullivan 0:5f2b64d6ed81 55 printf("Setting ticker\n\r");
thomas_sullivan 0:5f2b64d6ed81 56 myTicker1.attach(&sendData, 0.5); //send data out every half second
thomas_sullivan 0:5f2b64d6ed81 57 float potOut,senseIn,sigOut;
thomas_sullivan 0:5f2b64d6ed81 58
thomas_sullivan 0:5f2b64d6ed81 59 int i=0;
thomas_sullivan 0:5f2b64d6ed81 60 while(1) {
thomas_sullivan 0:5f2b64d6ed81 61
thomas_sullivan 0:5f2b64d6ed81 62 //Print information to LCD
thomas_sullivan 0:5f2b64d6ed81 63 //lcd.cls();
thomas_sullivan 0:5f2b64d6ed81 64 //lcd.locate(0,3);
thomas_sullivan 0:5f2b64d6ed81 65
thomas_sullivan 0:5f2b64d6ed81 66 //If the time is right, send data to the websocket server
thomas_sullivan 0:5f2b64d6ed81 67 if (led1) {
thomas_sullivan 0:5f2b64d6ed81 68 i=i+1;
thomas_sullivan 0:5f2b64d6ed81 69 if (i >= 20) {
thomas_sullivan 0:5f2b64d6ed81 70 i=0;
thomas_sullivan 0:5f2b64d6ed81 71 };
thomas_sullivan 0:5f2b64d6ed81 72
thomas_sullivan 0:5f2b64d6ed81 73 //printf("Sending message\n\r");
thomas_sullivan 0:5f2b64d6ed81 74 //accel_z = MMA.z();
thomas_sullivan 0:5f2b64d6ed81 75 //sprintf(dataOut,"{\"Temp\":%.1f,\"X\":%.1f,\"Y\":%.1f,\"Z\":%.1f}",tempNow,MMA.x(),MMA.y(),MMA.z());
thomas_sullivan 0:5f2b64d6ed81 76 potOut=pot19.read();
thomas_sullivan 0:5f2b64d6ed81 77 senseIn = ain17.read() + 0.1;
thomas_sullivan 0:5f2b64d6ed81 78 sigOut = ((float)i)/20;
thomas_sullivan 0:5f2b64d6ed81 79 //printf("%d, %.2f\n\r",i,sigOut);
thomas_sullivan 0:5f2b64d6ed81 80 sprintf(dataOut,"{\"X\":%.2f,\"Y\":%.2f,\"Z\":%.2f}",potOut,senseIn,sigOut);
thomas_sullivan 0:5f2b64d6ed81 81 //printf("%s\n\r",dataOut);
thomas_sullivan 0:5f2b64d6ed81 82 //lcd.cls();
thomas_sullivan 0:5f2b64d6ed81 83 //lcd.locate(0,3);
thomas_sullivan 0:5f2b64d6ed81 84 //lcd.printf("Pot19: %.2f\n",potOut);
thomas_sullivan 0:5f2b64d6ed81 85 //lcd.printf("Sense: %.2f\n",senseIn);
thomas_sullivan 0:5f2b64d6ed81 86 //lcd.printf("SigOut: %.2f\n",sigOut);
thomas_sullivan 0:5f2b64d6ed81 87
thomas_sullivan 0:5f2b64d6ed81 88 ws.send(dataOut);// %d",heatOn);
thomas_sullivan 0:5f2b64d6ed81 89 led1 = 0;
thomas_sullivan 0:5f2b64d6ed81 90 }
thomas_sullivan 0:5f2b64d6ed81 91 }
thomas_sullivan 0:5f2b64d6ed81 92 }