Hoi Sun Lee / Mbed 2 deprecated FYPhh5ultrafinal

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Dependencies:   mbed Sht31 MAX44009

main.cpp@10:a9db57e6456e, 2020-04-24 (annotated)

Committer:
kentwong
Date:
Fri Apr 24 16:08:58 2020 +0000
Revision:
10:a9db57e6456e
Parent:
9:7c53c49afa40
Child:
11:3a63d6f65ff5
mememe

Who changed what in which revision?

UserRevisionLine numberNew contents of line
chapman515 0:b1b7113a1441 1 #include "mbed.h"
chapman515 0:b1b7113a1441 2 #include "Sht31.h"
chapman515 0:b1b7113a1441 3 #include "MAX44009.h"
chapman515 0:b1b7113a1441 4 #include "mbed_wait_api.h"
chapman515 0:b1b7113a1441 5 #include <list>
chapman515 0:b1b7113a1441 6
chapman515 0:b1b7113a1441 7 Serial pc(p13,p14);
chapman515 0:b1b7113a1441 8 Sht31 sht31(p9, p10);
chapman515 0:b1b7113a1441 9 MAX44009 myMAX44009 ( p9, p10, MAX44009::MAX44009_ADDRESS_A0_GND, 400000 );
chapman515 0:b1b7113a1441 10 I2C i2c(p9, p10); //pins for I2C communication (SDA, SCL)
chapman515 0:b1b7113a1441 11
chapman515 9:7c53c49afa40 12 InterruptIn smthing_from_BLE(p12);
chapman515 0:b1b7113a1441 13 DigitalOut BLE_Can_receive(p11); // 0 = can recieve
kentwong 10:a9db57e6456e 14 AnalogIn input(p15);
kentwong 10:a9db57e6456e 15 Timer t;
chapman515 0:b1b7113a1441 16 class RGB{
chapman515 0:b1b7113a1441 17 public : int C;
chapman515 0:b1b7113a1441 18 int R;
chapman515 0:b1b7113a1441 19 int G;
chapman515 0:b1b7113a1441 20 int B;
chapman515 0:b1b7113a1441 21 };
chapman515 0:b1b7113a1441 22 class RGBf{
chapman515 0:b1b7113a1441 23 public : float C;
chapman515 0:b1b7113a1441 24 float R;
chapman515 0:b1b7113a1441 25 float G;
chapman515 0:b1b7113a1441 26 float B;
chapman515 0:b1b7113a1441 27 };
chapman515 0:b1b7113a1441 28 class TandH{
chapman515 0:b1b7113a1441 29 public : float t;
chapman515 0:b1b7113a1441 30 float h;
chapman515 0:b1b7113a1441 31 };
chapman515 0:b1b7113a1441 32
chapman515 0:b1b7113a1441 33 RGB RGBdata[10];
chapman515 0:b1b7113a1441 34 TandH THdata[10];
chapman515 0:b1b7113a1441 35 float luxdata[10];
chapman515 0:b1b7113a1441 36
chapman515 0:b1b7113a1441 37 int counter = 10; //to tackle with 0 mod 10 problem, use 10 instead;
kentwong 7:e4984029012e 38 int sendCounter=0; // for sending in auto/ instant measure
kentwong 7:e4984029012e 39 int _30Scounter=0;
chapman515 0:b1b7113a1441 40 bool allfilled = false;
chapman515 0:b1b7113a1441 41 RGBf RGBavg;
chapman515 0:b1b7113a1441 42 TandH THavg;
chapman515 0:b1b7113a1441 43 float luxavg;
chapman515 0:b1b7113a1441 44
kentwong 6:94a26631ec03 45 bool wrote=false;
chapman515 1:3889765eb394 46 DigitalOut led(LED1);
kentwong 6:94a26631ec03 47 char signal[1];
kentwong 10:a9db57e6456e 48 LocalFileSystem local("local"); //Create the local filesystem under the name "local"
chapman515 1:3889765eb394 49
chapman515 9:7c53c49afa40 50 void letsee() {
chapman515 9:7c53c49afa40 51 led=!led;
chapman515 9:7c53c49afa40 52 pc.scanf("%1s", signal);
chapman515 9:7c53c49afa40 53 wrote=true;
chapman515 9:7c53c49afa40 54 }
chapman515 9:7c53c49afa40 55
chapman515 9:7c53c49afa40 56
chapman515 9:7c53c49afa40 57
kentwong 6:94a26631ec03 58
chapman515 0:b1b7113a1441 59 int main()
kentwong 6:94a26631ec03 60 {
kentwong 10:a9db57e6456e 61 set_time(1587744159);
kentwong 10:a9db57e6456e 62
chapman515 9:7c53c49afa40 63 led=1;
kentwong 6:94a26631ec03 64 //pc.read
chapman515 9:7c53c49afa40 65 BLE_Can_receive = 0;
chapman515 0:b1b7113a1441 66 pc.baud ( 19200 );
chapman515 9:7c53c49afa40 67 smthing_from_BLE.fall(&letsee);
kentwong 7:e4984029012e 68
kentwong 6:94a26631ec03 69
kentwong 6:94a26631ec03 70 while(1) {
chapman515 0:b1b7113a1441 71 counter = counter%10;
kentwong 10:a9db57e6456e 72 time_t seconds = time(NULL);
kentwong 10:a9db57e6456e 73 t.start();
kentwong 10:a9db57e6456e 74 float peakToPeak=0, signalMax=0, signalMin=1024;
kentwong 10:a9db57e6456e 75 float _sample;
kentwong 10:a9db57e6456e 76 int start = t.read_ms();
kentwong 10:a9db57e6456e 77 while (t.read_ms() - start < 50) {
kentwong 10:a9db57e6456e 78 _sample=input.read();
kentwong 10:a9db57e6456e 79 if (_sample>signalMax){
kentwong 10:a9db57e6456e 80 signalMax=_sample;
kentwong 10:a9db57e6456e 81 }
kentwong 10:a9db57e6456e 82 else if (_sample<signalMin){
kentwong 10:a9db57e6456e 83 signalMin=_sample;
kentwong 10:a9db57e6456e 84 }
kentwong 10:a9db57e6456e 85 }
kentwong 10:a9db57e6456e 86 int end = t.read_ms();
kentwong 10:a9db57e6456e 87
kentwong 10:a9db57e6456e 88
kentwong 10:a9db57e6456e 89 t.reset();
kentwong 10:a9db57e6456e 90 peakToPeak = signalMax - signalMin; // max - min = peak-peak amplitude
kentwong 10:a9db57e6456e 91
kentwong 10:a9db57e6456e 92 float volts = peakToPeak * 0.707; // convert to RMS voltage
kentwong 10:a9db57e6456e 93 float first = log10(volts/0.00631)*20;
kentwong 10:a9db57e6456e 94 float second = first + 94 - 44 - 25; //Gain == 11 board gain ==25
kentwong 10:a9db57e6456e 95
kentwong 10:a9db57e6456e 96
kentwong 8:cca99ce7c5bc 97 //time_t seconds = time(NULL);
chapman515 0:b1b7113a1441 98 {
chapman515 0:b1b7113a1441 99 int sensor_addr = 41 << 1;
chapman515 0:b1b7113a1441 100 char id_regval[1] = {146};
chapman515 0:b1b7113a1441 101 char data[1] = {0};
chapman515 0:b1b7113a1441 102 i2c.write(sensor_addr,id_regval,1, true);
chapman515 0:b1b7113a1441 103 i2c.read(sensor_addr,data,1,false);
chapman515 0:b1b7113a1441 104
chapman515 0:b1b7113a1441 105
chapman515 0:b1b7113a1441 106 // Initialize color sensor
chapman515 0:b1b7113a1441 107 char timing_register[2] = {129,192};
chapman515 0:b1b7113a1441 108 //char timing_register[2] = {129,0};
chapman515 0:b1b7113a1441 109 i2c.write(sensor_addr,timing_register,2,false);
chapman515 0:b1b7113a1441 110 char control_register[2] = {143,0};
chapman515 0:b1b7113a1441 111 char temp[2]={0,0};
chapman515 0:b1b7113a1441 112 //char control_register[2] = {143,3};
chapman515 0:b1b7113a1441 113 i2c.write(sensor_addr,control_register,2,false);
chapman515 0:b1b7113a1441 114
chapman515 0:b1b7113a1441 115 char enable_register[2] = {128,3};
chapman515 0:b1b7113a1441 116 i2c.write(sensor_addr,enable_register,2,false);
chapman515 0:b1b7113a1441 117
chapman515 0:b1b7113a1441 118 // Read data from color sensor (Clear/Red/Green/Blue)
chapman515 0:b1b7113a1441 119
chapman515 0:b1b7113a1441 120 char clear_reg[1] = {148};
chapman515 0:b1b7113a1441 121 char clear_data[2] = {0,0};
chapman515 0:b1b7113a1441 122 i2c.write(sensor_addr,clear_reg,1, true);
chapman515 0:b1b7113a1441 123 i2c.read(sensor_addr,clear_data,2, false);
chapman515 0:b1b7113a1441 124
chapman515 0:b1b7113a1441 125 int clear_value = ((int)clear_data[1] << 8) | clear_data[0];
chapman515 0:b1b7113a1441 126
chapman515 0:b1b7113a1441 127 char red_reg[1] = {150};
chapman515 0:b1b7113a1441 128 char red_data[2] = {0,0};
chapman515 0:b1b7113a1441 129 i2c.write(sensor_addr,red_reg,1, true);
chapman515 0:b1b7113a1441 130 i2c.read(sensor_addr,red_data,2, false);
chapman515 0:b1b7113a1441 131
chapman515 0:b1b7113a1441 132 int red_value = ((int)red_data[1] << 8) | red_data[0];
chapman515 0:b1b7113a1441 133
chapman515 0:b1b7113a1441 134 char green_reg[1] = {152};
chapman515 0:b1b7113a1441 135 char green_data[2] = {0,0};
chapman515 0:b1b7113a1441 136 i2c.write(sensor_addr,green_reg,1, true);
chapman515 0:b1b7113a1441 137 i2c.read(sensor_addr,green_data,2, false);
chapman515 0:b1b7113a1441 138
chapman515 0:b1b7113a1441 139 int green_value = ((int)green_data[1] << 8) | green_data[0];
chapman515 0:b1b7113a1441 140
chapman515 0:b1b7113a1441 141 char blue_reg[1] = {154};
chapman515 0:b1b7113a1441 142 char blue_data[2] = {0,0};
chapman515 0:b1b7113a1441 143 i2c.write(sensor_addr,blue_reg,1, true);
chapman515 0:b1b7113a1441 144 i2c.read(sensor_addr,blue_data,2, false);
chapman515 0:b1b7113a1441 145
chapman515 0:b1b7113a1441 146 int blue_value = ((int)blue_data[1] << 8) | blue_data[0];
chapman515 0:b1b7113a1441 147
chapman515 0:b1b7113a1441 148 // print sensor readings
chapman515 0:b1b7113a1441 149 if (allfilled == true){
chapman515 0:b1b7113a1441 150 RGBavg.C = RGBavg.C*10-RGBdata[counter].C;
chapman515 0:b1b7113a1441 151 RGBavg.R = RGBavg.R*10-RGBdata[counter].R;
chapman515 0:b1b7113a1441 152 RGBavg.G = RGBavg.G*10-RGBdata[counter].G;
chapman515 0:b1b7113a1441 153 RGBavg.B = RGBavg.B*10-RGBdata[counter].B;
chapman515 0:b1b7113a1441 154 }
chapman515 0:b1b7113a1441 155 RGBdata[counter].C= clear_value;
chapman515 0:b1b7113a1441 156 RGBdata[counter].R= red_value;
chapman515 0:b1b7113a1441 157 RGBdata[counter].G= green_value;
chapman515 0:b1b7113a1441 158 RGBdata[counter].B= blue_value;
chapman515 0:b1b7113a1441 159 //pc.printf("Clear (%d), Red (%d), Green (%d), Blue (%d)\n", clear_value, red_value, green_value, blue_value);
chapman515 0:b1b7113a1441 160 }
chapman515 0:b1b7113a1441 161 {
chapman515 0:b1b7113a1441 162
chapman515 0:b1b7113a1441 163 MAX44009::MAX44009_status_t aux;
chapman515 0:b1b7113a1441 164 MAX44009::MAX44009_vector_data_t myMAX44009_Data;
chapman515 0:b1b7113a1441 165
chapman515 0:b1b7113a1441 166 aux = myMAX44009.MAX44009_Configuration ( MAX44009::CONFIGURATION_CONT_DEFAULT_MODE, MAX44009::CONFIGURATION_MANUAL_DEFAULT_MODE, MAX44009::CONFIGURATION_CDR_CURRENT_NOT_DIVIDED, MAX44009::CONFIGURATION_TIM_800_MS );
chapman515 0:b1b7113a1441 167 aux = myMAX44009.MAX44009_GetLux( MAX44009::RESOLUTION_EXTENDED_RESOLUTION, &myMAX44009_Data );
chapman515 0:b1b7113a1441 168 aux = myMAX44009.MAX44009_GetCurrentDivisionRatio ( &myMAX44009_Data );
chapman515 0:b1b7113a1441 169 aux = myMAX44009.MAX44009_GetIntegrationTime ( &myMAX44009_Data );
chapman515 0:b1b7113a1441 170
chapman515 0:b1b7113a1441 171 if (allfilled == true){
chapman515 0:b1b7113a1441 172 luxavg = luxavg*10-luxdata[counter];
chapman515 0:b1b7113a1441 173 }
chapman515 0:b1b7113a1441 174
chapman515 0:b1b7113a1441 175 luxdata[counter] = myMAX44009_Data.lux;
chapman515 0:b1b7113a1441 176
chapman515 0:b1b7113a1441 177
chapman515 0:b1b7113a1441 178 }
chapman515 0:b1b7113a1441 179
chapman515 0:b1b7113a1441 180 {
chapman515 0:b1b7113a1441 181
chapman515 0:b1b7113a1441 182 //float t = sht31.readTemperature();
chapman515 0:b1b7113a1441 183 //float h = sht31.readHumidity();
chapman515 0:b1b7113a1441 184
chapman515 0:b1b7113a1441 185 if (allfilled == true){
chapman515 0:b1b7113a1441 186 THavg.t = THavg.t*10-THdata[counter].t;
chapman515 0:b1b7113a1441 187 THavg.h = THavg.h*10-THdata[counter].h;
chapman515 0:b1b7113a1441 188 }
chapman515 0:b1b7113a1441 189 THdata[counter].t = sht31.readTemperature();
chapman515 0:b1b7113a1441 190 THdata[counter].h = sht31.readHumidity();
chapman515 0:b1b7113a1441 191
chapman515 0:b1b7113a1441 192 //pc.printf("[TEMP/HUM]");
chapman515 0:b1b7113a1441 193
chapman515 0:b1b7113a1441 194 }
chapman515 0:b1b7113a1441 195 ////////////////////////////////////////////////////////////////////
chapman515 0:b1b7113a1441 196
chapman515 0:b1b7113a1441 197 /*BLE_Can_receive = 0;
chapman515 0:b1b7113a1441 198 wait_ms(5);
chapman515 0:b1b7113a1441 199 pc.printf("counter119\n = %d", counter);
chapman515 0:b1b7113a1441 200 for (int i =0;i<10;i++){
chapman515 0:b1b7113a1441 201 pc.printf("i=%d ,", i);
chapman515 0:b1b7113a1441 202 pc.printf("%d,%d,%d,%d,%3.2f,%3.2f%,%0.001f\n", RGBdata[i].C, RGBdata[i].R, RGBdata[i].G, RGBdata[i].B,THdata[i].t, THdata[i].h,luxdata[i]);
chapman515 0:b1b7113a1441 203 }
chapman515 0:b1b7113a1441 204 BLE_Can_receive = 1;*/
chapman515 0:b1b7113a1441 205
chapman515 0:b1b7113a1441 206 if (allfilled == true){
chapman515 0:b1b7113a1441 207 RGBavg.C = ((RGBavg.C+RGBdata[counter].C)/10.0);
chapman515 0:b1b7113a1441 208 RGBavg.R = ((RGBavg.R+RGBdata[counter].R)/10.0);
chapman515 0:b1b7113a1441 209 RGBavg.G = ((RGBavg.G+RGBdata[counter].G)/10.0);
chapman515 0:b1b7113a1441 210 RGBavg.B = ((RGBavg.B+RGBdata[counter].B)/10.0);
chapman515 0:b1b7113a1441 211
chapman515 0:b1b7113a1441 212 THavg.t = (THavg.t+THdata[counter].t)/10;
chapman515 0:b1b7113a1441 213 THavg.h = (THavg.h+THdata[counter].h)/10;
chapman515 0:b1b7113a1441 214
chapman515 0:b1b7113a1441 215 luxavg = (luxavg+luxdata[counter])/10;
chapman515 0:b1b7113a1441 216 }
chapman515 0:b1b7113a1441 217 else{
chapman515 0:b1b7113a1441 218
chapman515 0:b1b7113a1441 219 RGBavg.C= (RGBavg.C*(counter) + RGBdata[counter].C) /(float)(counter+1);
chapman515 0:b1b7113a1441 220 RGBavg.R= (RGBavg.R*(counter) + RGBdata[counter].R) /(float)(counter+1);
chapman515 0:b1b7113a1441 221 RGBavg.G= (RGBavg.G*(counter) + RGBdata[counter].G) /(float)(counter+1);
chapman515 0:b1b7113a1441 222 RGBavg.B= (RGBavg.B*(counter) + RGBdata[counter].B) /(float)(counter+1);
chapman515 0:b1b7113a1441 223
chapman515 0:b1b7113a1441 224 THavg.t = ((THavg.t*(counter) + THdata[counter].t))/(counter+1);
chapman515 0:b1b7113a1441 225 THavg.h = ((THavg.h*(counter) + THdata[counter].h))/(counter+1);
kentwong 6:94a26631ec03 226
chapman515 0:b1b7113a1441 227 luxavg = ((luxavg*(counter) + luxdata[counter]))/(counter+1);
chapman515 0:b1b7113a1441 228 }
chapman515 0:b1b7113a1441 229
kentwong 6:94a26631ec03 230 //pc.printf("test");
kentwong 6:94a26631ec03 231 // pc.printf("Shine Like:%s,%d,%d,%d,%d,%3.2f,%3.2f%,%0.001f\n",signal,(int)(RGBavg.C+0.5), (int)(RGBavg.R+0.5), (int)(RGBavg.G+0.5), (int)(RGBavg.B+0.5),THavg.t, THavg.h,luxavg);
kentwong 10:a9db57e6456e 232 BLE_Can_receive = 0;
kentwong 6:94a26631ec03 233 counter++;
kentwong 10:a9db57e6456e 234 if (counter == 10 &&_30Scounter==3){
kentwong 10:a9db57e6456e 235 _30Scounter=0;
kentwong 10:a9db57e6456e 236 FILE *fp = fopen("/local/out.txt", "a");
kentwong 10:a9db57e6456e 237 fprintf(fp, "[%d,%d,%d,%d,%d,%d,%d,%0.001f,%0.001f],\n",seconds,(int)(RGBavg.C+0.5),
kentwong 10:a9db57e6456e 238 (int)(RGBavg.R+0.5), (int)(RGBavg.G+0.5), (int)(RGBavg.B+0.5),(int)THavg.t,(int) THavg.h,luxavg,second);
kentwong 10:a9db57e6456e 239 fclose(fp);
kentwong 10:a9db57e6456e 240 allfilled = true;
kentwong 10:a9db57e6456e 241 }
kentwong 10:a9db57e6456e 242 else
kentwong 8:cca99ce7c5bc 243 if (counter==10){
kentwong 10:a9db57e6456e 244 _30Scounter++;
kentwong 7:e4984029012e 245 allfilled = true;
kentwong 7:e4984029012e 246 }
kentwong 10:a9db57e6456e 247 BLE_Can_receive = 1;
kentwong 6:94a26631ec03 248 if (wrote){
kentwong 10:a9db57e6456e 249 if (signal[0]=='s'){
kentwong 7:e4984029012e 250 FILE *fp = fopen("/local/out.txt", "r");
kentwong 7:e4984029012e 251 char str[45];
kentwong 7:e4984029012e 252 while(!feof(fp))
kentwong 7:e4984029012e 253 if(fgets(str,40,fp)!=NULL) {
kentwong 7:e4984029012e 254 pc.printf("%s\n",str);
kentwong 7:e4984029012e 255 //wait_ms(300);
kentwong 7:e4984029012e 256 }
kentwong 7:e4984029012e 257 fclose(fp);
kentwong 7:e4984029012e 258 wrote=false;
kentwong 7:e4984029012e 259 }
kentwong 10:a9db57e6456e 260 else
kentwong 8:cca99ce7c5bc 261 {
kentwong 7:e4984029012e 262 sendCounter++;
kentwong 10:a9db57e6456e 263 pc.printf("%d,%d,%d,%d,%d,%3.2f,%3.2f%,%0.001f,%f\n",sendCounter,(int)(RGBavg.C+0.5), (int)(RGBavg.R+0.5), (int)(RGBavg.G+0.5), (int)(RGBavg.B+0.5),THavg.t, THavg.h,luxavg,second);
kentwong 7:e4984029012e 264 if (sendCounter == 10){ //10 = all element is filled {
kentwong 7:e4984029012e 265 if (signal[0]=='i'){
kentwong 7:e4984029012e 266 pc.printf("end");
kentwong 7:e4984029012e 267 }
kentwong 7:e4984029012e 268 else if (signal[0]=='a')
kentwong 7:e4984029012e 269 {
kentwong 7:e4984029012e 270 pc.printf("aend");
kentwong 7:e4984029012e 271 }
kentwong 7:e4984029012e 272 sendCounter=0;
kentwong 7:e4984029012e 273 wrote=false;
kentwong 7:e4984029012e 274 }
kentwong 6:94a26631ec03 275 }
kentwong 7:e4984029012e 276
kentwong 6:94a26631ec03 277 }
kentwong 6:94a26631ec03 278
kentwong 6:94a26631ec03 279
chapman515 0:b1b7113a1441 280 }
chapman515 0:b1b7113a1441 281 }