Smart Miniature House / Mbed 2 deprecated Xbee-Smart-Home-Inside

Xbee-Smart-Home-Inside RX Test

Dependencies:   Si7021 mbed-rtos JPEGCamera mbed

Fork of Xbee-Smart-Home-Inside by prana koirala

main.cpp@7:fdfe30cea3c2, 2017-05-02 (annotated)

Committer:
pkoirala3
Date:
Tue May 02 21:41:59 2017 +0000
Revision:
7:fdfe30cea3c2
Parent:
6:6a43e2fdb8aa 
Final Version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pkoirala3 1:e9068d048f58 1 #include "mbed.h"
pkoirala3 1:e9068d048f58 2 #include "rtos.h"
pkoirala3 1:e9068d048f58 3 #include "JPEGCamera.h"
pkoirala3 3:415ccd1f7ae1 4 #include "Si7021.h"
pkoirala3 3:415ccd1f7ae1 5 #include "mpr121.h"
pkoirala3 6:6a43e2fdb8aa 6 #include "math.h"
pkoirala3 1:e9068d048f58 7
pkoirala3 3:415ccd1f7ae1 8 Serial xbee(p9, p10);
pkoirala3 3:415ccd1f7ae1 9 Serial pc(USBTX, USBRX);
pkoirala3 6:6a43e2fdb8aa 10 JPEGCamera camera(p13, p14); // RED, Brown, pwr: Gray, gnd: Purple
pkoirala3 6:6a43e2fdb8aa 11 LocalFileSystem local("local"); //save images on mbed
pkoirala3 6:6a43e2fdb8aa 12
pkoirala3 3:415ccd1f7ae1 13 DigitalOut rst1(p8);
pkoirala3 6:6a43e2fdb8aa 14
pkoirala3 6:6a43e2fdb8aa 15 PwmOut light(p21);
pkoirala3 3:415ccd1f7ae1 16 Si7021 tempHum(p28, p27);
pkoirala3 0:5b1386641010 17
pkoirala3 6:6a43e2fdb8aa 18 InterruptIn interrupt(p26);
pkoirala3 6:6a43e2fdb8aa 19 I2C i2c(p28, p27); // Note here we don't need PullsUp coz Si7021 board has
pkoirala3 6:6a43e2fdb8aa 20 Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
pkoirala3 6:6a43e2fdb8aa 21
pkoirala3 6:6a43e2fdb8aa 22 AnalogIn photocell(p15);
pkoirala3 6:6a43e2fdb8aa 23
pkoirala3 3:415ccd1f7ae1 24 DigitalOut led1(LED1);
pkoirala3 3:415ccd1f7ae1 25 DigitalOut led2(LED2);
pkoirala3 6:6a43e2fdb8aa 26 DigitalOut led3(LED3);
pkoirala3 6:6a43e2fdb8aa 27 DigitalOut led4(LED4);
pkoirala3 6:6a43e2fdb8aa 28
pkoirala3 6:6a43e2fdb8aa 29 int Nums[4] = {0,0,0,0};
pkoirala3 6:6a43e2fdb8aa 30 int counter = 0;
pkoirala3 6:6a43e2fdb8aa 31 int attempts = 0;
pkoirala3 0:5b1386641010 32
pkoirala3 3:415ccd1f7ae1 33 char outBuffer[50];
pkoirala3 6:6a43e2fdb8aa 34 volatile char inBuffer;
pkoirala3 6:6a43e2fdb8aa 35 volatile bool lightOnOff = true;
pkoirala3 3:415ccd1f7ae1 36 volatile bool requestIn = false;
pkoirala3 5:81a1920e5f3d 37 volatile bool intrusion = false;
pkoirala3 6:6a43e2fdb8aa 38 volatile bool unlockstatus = false;
pkoirala3 6:6a43e2fdb8aa 39 volatile float photoval = 0.0;
pkoirala3 6:6a43e2fdb8aa 40 int fileIndex = 0;
pkoirala3 0:5b1386641010 41
pkoirala3 3:415ccd1f7ae1 42 Thread t1;
pkoirala3 5:81a1920e5f3d 43 Thread t2;
pkoirala3 0:5b1386641010 44
pkoirala3 3:415ccd1f7ae1 45 void getcommand()
pkoirala3 3:415ccd1f7ae1 46 {
pkoirala3 3:415ccd1f7ae1 47 while(1) {
pkoirala3 3:415ccd1f7ae1 48 if(xbee.readable()) {
pkoirala3 3:415ccd1f7ae1 49 inBuffer = xbee.getc();
pkoirala3 3:415ccd1f7ae1 50 requestIn = true;
pkoirala3 3:415ccd1f7ae1 51 }
pkoirala3 3:415ccd1f7ae1 52 Thread::wait(1000);
pkoirala3 3:415ccd1f7ae1 53 }
pkoirala3 1:e9068d048f58 54 }
pkoirala3 1:e9068d048f58 55
pkoirala3 3:415ccd1f7ae1 56 void sendcommand(char outBuff[])
pkoirala3 3:415ccd1f7ae1 57 {
pkoirala3 6:6a43e2fdb8aa 58 if(xbee.writeable()) {
pkoirala3 3:415ccd1f7ae1 59 int i = 0;
pkoirala3 6:6a43e2fdb8aa 60 while(outBuff[i] != ',') {
pkoirala3 3:415ccd1f7ae1 61 xbee.putc(outBuff[i]);
pkoirala3 3:415ccd1f7ae1 62 i++;
pkoirala3 3:415ccd1f7ae1 63 }
pkoirala3 3:415ccd1f7ae1 64 }
pkoirala3 1:e9068d048f58 65 }
pkoirala3 5:81a1920e5f3d 66
pkoirala3 6:6a43e2fdb8aa 67 void statusUpdate()
pkoirala3 6:6a43e2fdb8aa 68 {
pkoirala3 5:81a1920e5f3d 69 tempHum.measure();
pkoirala3 5:81a1920e5f3d 70 float temp = (tempHum.get_temperature()/1000.00);
pkoirala3 5:81a1920e5f3d 71 float hum = (tempHum.get_humidity()/1000.00);
pkoirala3 6:6a43e2fdb8aa 72 float lightStatus = light;
pkoirala3 5:81a1920e5f3d 73 char delimit = '|';
pkoirala3 5:81a1920e5f3d 74 char terminate = ',';
pkoirala3 6:6a43e2fdb8aa 75 sprintf(outBuffer, "%c%2.2f%c%2.2f%c%0.2f%c",delimit, temp, delimit, hum, delimit, lightStatus, terminate);
pkoirala3 5:81a1920e5f3d 76 sendcommand(outBuffer);
pkoirala3 5:81a1920e5f3d 77 }
pkoirala3 5:81a1920e5f3d 78
pkoirala3 6:6a43e2fdb8aa 79 void checkUnlock();
pkoirala3 6:6a43e2fdb8aa 80
pkoirala3 6:6a43e2fdb8aa 81 void fallInterrupt()
pkoirala3 6:6a43e2fdb8aa 82 {
pkoirala3 6:6a43e2fdb8aa 83 int key_code=0;
pkoirala3 6:6a43e2fdb8aa 84 int i=0;
pkoirala3 6:6a43e2fdb8aa 85 int value=mpr121.read(0x00);
pkoirala3 6:6a43e2fdb8aa 86 value +=mpr121.read(0x01)<<8;
pkoirala3 6:6a43e2fdb8aa 87 i=0;
pkoirala3 6:6a43e2fdb8aa 88 for (i=0; i<12; i++) {
pkoirala3 6:6a43e2fdb8aa 89 if (((value>>i)&0x01)==1) {
pkoirala3 6:6a43e2fdb8aa 90 key_code=i;
pkoirala3 6:6a43e2fdb8aa 91 Nums[counter] = key_code;
pkoirala3 6:6a43e2fdb8aa 92 counter++;
pkoirala3 6:6a43e2fdb8aa 93 }
pkoirala3 6:6a43e2fdb8aa 94 }
pkoirala3 6:6a43e2fdb8aa 95
pkoirala3 6:6a43e2fdb8aa 96 led4=key_code & 0x01;
pkoirala3 6:6a43e2fdb8aa 97 led3=(key_code>>1) & 0x01;
pkoirala3 6:6a43e2fdb8aa 98 led2=(key_code>>2) & 0x01;
pkoirala3 6:6a43e2fdb8aa 99 led1=(key_code>>3) & 0x01;
pkoirala3 6:6a43e2fdb8aa 100 if(counter == 4) {
pkoirala3 6:6a43e2fdb8aa 101 checkUnlock();
pkoirala3 6:6a43e2fdb8aa 102 }
pkoirala3 6:6a43e2fdb8aa 103 }
pkoirala3 6:6a43e2fdb8aa 104
pkoirala3 6:6a43e2fdb8aa 105 void checkUnlock()
pkoirala3 6:6a43e2fdb8aa 106 {
pkoirala3 6:6a43e2fdb8aa 107 if(Nums[0] == 4 && Nums[1] == 1 && Nums[2] == 8 && Nums[3] == 0) {
pkoirala3 6:6a43e2fdb8aa 108 unlockstatus = true;
pkoirala3 6:6a43e2fdb8aa 109 attempts = 0;
pkoirala3 6:6a43e2fdb8aa 110 } else if(attempts < 1) {
pkoirala3 6:6a43e2fdb8aa 111 attempts = attempts + 1; // First attempt
pkoirala3 6:6a43e2fdb8aa 112 } else if (attempts == 1) { // Second attempt
pkoirala3 6:6a43e2fdb8aa 113 attempts = 0; // Reset attempts
pkoirala3 6:6a43e2fdb8aa 114 led1 = 1;
pkoirala3 6:6a43e2fdb8aa 115 led2 = 1;
pkoirala3 6:6a43e2fdb8aa 116 led3 = 1;
pkoirala3 6:6a43e2fdb8aa 117 led4 = 1;
pkoirala3 6:6a43e2fdb8aa 118 intrusion = true;
pkoirala3 6:6a43e2fdb8aa 119 attempts = 0;
pkoirala3 6:6a43e2fdb8aa 120 }
pkoirala3 6:6a43e2fdb8aa 121 counter = 0;
pkoirala3 6:6a43e2fdb8aa 122 }
pkoirala3 6:6a43e2fdb8aa 123
pkoirala3 5:81a1920e5f3d 124
pkoirala3 3:415ccd1f7ae1 125 void cameraImage()
pkoirala3 3:415ccd1f7ae1 126 {
pkoirala3 6:6a43e2fdb8aa 127 if (camera.isReady()) {
pkoirala3 6:6a43e2fdb8aa 128 char filename[32];
pkoirala3 6:6a43e2fdb8aa 129 sprintf(filename, "/local/pict%d.jpg",fileIndex);
pkoirala3 6:6a43e2fdb8aa 130 fileIndex++;
pkoirala3 6:6a43e2fdb8aa 131 printf("Picture: %s ", filename);
pkoirala3 6:6a43e2fdb8aa 132 if (camera.takePicture(filename)) {
pkoirala3 6:6a43e2fdb8aa 133 while (camera.isProcessing()) {
pkoirala3 6:6a43e2fdb8aa 134 camera.processPicture();
pkoirala3 6:6a43e2fdb8aa 135 }
pkoirala3 6:6a43e2fdb8aa 136 }
pkoirala3 6:6a43e2fdb8aa 137 }
pkoirala3 6:6a43e2fdb8aa 138 }
pkoirala3 6:6a43e2fdb8aa 139
pkoirala3 6:6a43e2fdb8aa 140
pkoirala3 6:6a43e2fdb8aa 141 int main()
pkoirala3 6:6a43e2fdb8aa 142 {
pkoirala3 6:6a43e2fdb8aa 143 camera.setPictureSize(JPEGCamera::SIZE320x240);
pkoirala3 6:6a43e2fdb8aa 144 light = 0;
pkoirala3 6:6a43e2fdb8aa 145 rst1 = 0;
pkoirala3 6:6a43e2fdb8aa 146 wait_ms(1);
pkoirala3 6:6a43e2fdb8aa 147 rst1 = 1;
pkoirala3 6:6a43e2fdb8aa 148 wait_ms(1);
pkoirala3 6:6a43e2fdb8aa 149 t1.start(getcommand);
pkoirala3 6:6a43e2fdb8aa 150 interrupt.fall(&fallInterrupt);
pkoirala3 6:6a43e2fdb8aa 151 interrupt.mode(PullUp);
pkoirala3 6:6a43e2fdb8aa 152 inBuffer = 's';
pkoirala3 3:415ccd1f7ae1 153 while(1) {
pkoirala3 6:6a43e2fdb8aa 154 photoval = 0.1/(0.1 + photocell);
pkoirala3 6:6a43e2fdb8aa 155 float newlight = (lightOnOff == true) ? photoval : 0.0;
pkoirala3 6:6a43e2fdb8aa 156 bool lighton = false;
pkoirala3 6:6a43e2fdb8aa 157 if(newlight == 0.0) {
pkoirala3 6:6a43e2fdb8aa 158 light = 0.0;
pkoirala3 6:6a43e2fdb8aa 159 } else if(fabs(newlight - light) > 0.05) {
pkoirala3 6:6a43e2fdb8aa 160 light = newlight;
pkoirala3 6:6a43e2fdb8aa 161 lighton = true;
pkoirala3 6:6a43e2fdb8aa 162 }
pkoirala3 6:6a43e2fdb8aa 163 if(intrusion || requestIn || inBuffer != ' ' || lighton || unlockstatus) { // Check for input request msg
pkoirala3 6:6a43e2fdb8aa 164 if(inBuffer == 's' || lighton) { // Send the status
pkoirala3 6:6a43e2fdb8aa 165 statusUpdate();
pkoirala3 6:6a43e2fdb8aa 166 inBuffer = ' ';
pkoirala3 6:6a43e2fdb8aa 167 } else if(unlockstatus) {
pkoirala3 6:6a43e2fdb8aa 168 light = 0.1/(0.1 + photocell);
pkoirala3 6:6a43e2fdb8aa 169 sendcommand("u,");
pkoirala3 6:6a43e2fdb8aa 170 unlockstatus = false;
pkoirala3 6:6a43e2fdb8aa 171 lightOnOff = true;
pkoirala3 6:6a43e2fdb8aa 172 } else if(inBuffer == 'l') {
pkoirala3 6:6a43e2fdb8aa 173 lightOnOff = !lightOnOff; // Toggle light on/off
pkoirala3 6:6a43e2fdb8aa 174 inBuffer = 's';
pkoirala3 6:6a43e2fdb8aa 175 } else if(intrusion || inBuffer == 'c' ) {
pkoirala3 6:6a43e2fdb8aa 176 cameraImage(); // Capture pic & save locally
pkoirala3 6:6a43e2fdb8aa 177 if(intrusion) {
pkoirala3 6:6a43e2fdb8aa 178 sendcommand("i,");
pkoirala3 6:6a43e2fdb8aa 179 intrusion = false;
pkoirala3 6:6a43e2fdb8aa 180 } else {
pkoirala3 6:6a43e2fdb8aa 181 sendcommand("p,");
pkoirala3 6:6a43e2fdb8aa 182 inBuffer = ' ';
pkoirala3 1:e9068d048f58 183 }
pkoirala3 1:e9068d048f58 184 }
pkoirala3 1:e9068d048f58 185 }
pkoirala3 6:6a43e2fdb8aa 186 Thread::wait(500);
pkoirala3 1:e9068d048f58 187 }
pkoirala3 0:5b1386641010 188 }