ece4180final / Mbed 2 deprecated Led_demo

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Dependencies:   NeoStrip mbed

Fork of Led_demo by ze chen

main.cpp@2:bf21ec069402, 2014-04-25 (annotated)

Committer:
zchen78
Date:
Fri Apr 25 19:08:22 2014 +0000
Revision:
2:bf21ec069402
Parent:
1:0d37843b8283 
get rid of unnecessary comments

Who changed what in which revision?

UserRevisionLine numberNew contents of line
zchen311 0:4c7b2475af40 1 #include "mbed.h"
zchen311 0:4c7b2475af40 2 #include "NeoStrip.h"
zchen311 0:4c7b2475af40 3 #include "text.h"
zchen311 0:4c7b2475af40 4 #define N 128
zchen311 0:4c7b2475af40 5 #define PATTERNS 4
zchen311 0:4c7b2475af40 6 #include <string>
zchen78 1:0d37843b8283 7 #include "helper.h"
zchen78 1:0d37843b8283 8 //callback function for incoming serial communication
zchen78 1:0d37843b8283 9 void callback();
zchen78 1:0d37843b8283 10 //necessary functions for distanceDemo and bikeDemo
zchen78 1:0d37843b8283 11 void blinkOn();
zchen78 1:0d37843b8283 12 void blinkOff();
zchen78 1:0d37843b8283 13 void patternLeft();
zchen78 1:0d37843b8283 14 void patternRight();
zchen78 1:0d37843b8283 15 void patternStop();
zchen78 1:0d37843b8283 16 void patternNone();
zchen78 1:0d37843b8283 17 void distanceDemo();
zchen78 1:0d37843b8283 18
zchen78 1:0d37843b8283 19 //necessary functions for Animation Demo
zchen311 0:4c7b2475af40 20 int hueToRGB(float h);
zchen78 1:0d37843b8283 21 void rainBow();
zchen311 0:4c7b2475af40 22 void fillBlue();
zchen311 0:4c7b2475af40 23 void progressBar(bool);
zchen311 0:4c7b2475af40 24 void putChar(int row, int col, char ch, int color);
zchen311 0:4c7b2475af40 25 void putString(std::string);
zchen311 0:4c7b2475af40 26 void loopAscii(int count);
zchen311 0:4c7b2475af40 27 void MarioBox();
zchen311 0:4c7b2475af40 28 void drawBox(int row);void emptyBox(int row);
zchen311 0:4c7b2475af40 29 void putCharV(int row, int col, char ch, int color);
zchen78 1:0d37843b8283 30
zchen78 1:0d37843b8283 31
zchen311 0:4c7b2475af40 32
zchen78 1:0d37843b8283 33
zchen78 1:0d37843b8283 34 //hardware initilization
zchen311 0:4c7b2475af40 35 NeoStrip strip(p18, N);
zchen78 1:0d37843b8283 36 Serial device(p13,p14);
zchen78 1:0d37843b8283 37 AnalogIn ir(p20);
zchen311 0:4c7b2475af40 38
zchen78 1:0d37843b8283 39
zchen78 1:0d37843b8283 40 //variable initilization
zchen78 1:0d37843b8283 41 Timer t;
zchen311 0:4c7b2475af40 42 int chars[128];
zchen311 0:4c7b2475af40 43 char ch = 'A';
zchen78 1:0d37843b8283 44 std::string emoji[9] = {"*_*", "^_^", "$_$", ">_<", "=_=", "+_=", ":)", ":(", ":3"};
zchen78 1:0d37843b8283 45 void (*patterns[])(void) = {&patternLeft, &patternRight, &patternStop, &patternNone};
zchen78 1:0d37843b8283 46 int bikeDir;
zchen311 0:4c7b2475af40 47
zchen311 0:4c7b2475af40 48 int main()
zchen78 1:0d37843b8283 49 {
zchen311 0:4c7b2475af40 50 float bright = 0.2; // 20% is plenty for indoor use
zchen311 0:4c7b2475af40 51 strip.setBrightness(bright); // set default brightness
zchen78 1:0d37843b8283 52 //setup serial device
zchen78 1:0d37843b8283 53 device.baud(57600);
zchen78 1:0d37843b8283 54 device.attach(&callback);
zchen311 0:4c7b2475af40 55
zchen78 1:0d37843b8283 56 //wait until phone is connected
zchen78 1:0d37843b8283 57 progressBar(false);
zchen78 1:0d37843b8283 58 while(1){
zchen78 1:0d37843b8283 59 if(device.readable()) break;
zchen311 0:4c7b2475af40 60 }
zchen78 1:0d37843b8283 61 //progress Bar light up on T-shirt to demonstrate connection is established.
zchen78 1:0d37843b8283 62
zchen78 1:0d37843b8283 63 progressBar(true);
zchen78 1:0d37843b8283 64 //ready for commands, clear serael buffer
zchen78 1:0d37843b8283 65 while(device.readable()) device.getc();
zchen78 1:0d37843b8283 66
zchen78 1:0d37843b8283 67 //phone is disconnected, flash red light warning
zchen78 1:0d37843b8283 68 while(1){
zchen78 1:0d37843b8283 69 if(t.read_ms()>3000){
zchen78 1:0d37843b8283 70 blinkOn();
zchen78 1:0d37843b8283 71 wait_ms(200);
zchen78 1:0d37843b8283 72 blinkOff();
zchen78 1:0d37843b8283 73 wait_ms(200);
zchen78 1:0d37843b8283 74 }
zchen78 1:0d37843b8283 75
zchen78 1:0d37843b8283 76 }
zchen78 1:0d37843b8283 77
zchen78 1:0d37843b8283 78
zchen78 1:0d37843b8283 79
zchen311 0:4c7b2475af40 80 }
zchen311 0:4c7b2475af40 81
zchen78 1:0d37843b8283 82
zchen78 1:0d37843b8283 83 void callback(){
zchen78 1:0d37843b8283 84 t.reset();
zchen78 1:0d37843b8283 85 t.stop();
zchen78 1:0d37843b8283 86 switch(device.getc()){
zchen78 1:0d37843b8283 87
zchen78 1:0d37843b8283 88 case PhoneDemo:
zchen78 1:0d37843b8283 89 //discard second byte
zchen78 1:0d37843b8283 90 device.getc();
zchen78 1:0d37843b8283 91 //reply ack
zchen78 1:0d37843b8283 92 device.putc('P');
zchen78 1:0d37843b8283 93 t.start();
zchen78 1:0d37843b8283 94 break;
zchen78 1:0d37843b8283 95
zchen78 1:0d37843b8283 96 case MusicDemo:
zchen78 1:0d37843b8283 97 device.getc();
zchen78 1:0d37843b8283 98 rainBow();
zchen78 1:0d37843b8283 99 break;
zchen78 1:0d37843b8283 100
zchen78 1:0d37843b8283 101 case DistanceDemo:
zchen78 1:0d37843b8283 102 device.getc();
zchen78 1:0d37843b8283 103 device.putc('D');
zchen78 1:0d37843b8283 104 break;
zchen78 1:0d37843b8283 105
zchen78 1:0d37843b8283 106 case AnimationOneDemo:
zchen78 1:0d37843b8283 107 device.getc();
zchen78 1:0d37843b8283 108 MarioBox();
zchen78 1:0d37843b8283 109 break;
zchen78 1:0d37843b8283 110
zchen78 1:0d37843b8283 111 case AnimationTwoDemo:
zchen78 1:0d37843b8283 112 device.getc();
zchen78 1:0d37843b8283 113 for(int i=0;i<8;i++){
zchen78 1:0d37843b8283 114 putString(emoji[i]);
zchen78 1:0d37843b8283 115 }
zchen78 1:0d37843b8283 116
zchen78 1:0d37843b8283 117
zchen78 1:0d37843b8283 118 break;
zchen78 1:0d37843b8283 119
zchen78 1:0d37843b8283 120 case AnimationThreeDemo:
zchen78 1:0d37843b8283 121 device.getc();
zchen78 1:0d37843b8283 122 for(int i=0;i<126;i++) loopAscii(i);
zchen78 1:0d37843b8283 123 break;
zchen78 1:0d37843b8283 124
zchen78 1:0d37843b8283 125 case BikeDemo:
zchen78 1:0d37843b8283 126 bikeDir=device.getc();
zchen78 1:0d37843b8283 127 if (bikeDir==LEFT) patternLeft();
zchen78 1:0d37843b8283 128 else if(bikeDir==RIGHT) patternRight();
zchen78 1:0d37843b8283 129 else if(bikeDir==STOP)patternStop();
zchen78 1:0d37843b8283 130 else patternNone();
zchen78 1:0d37843b8283 131 break;
zchen78 1:0d37843b8283 132
zchen78 1:0d37843b8283 133 default:
zchen78 1:0d37843b8283 134 break;
zchen78 1:0d37843b8283 135 }
zchen78 1:0d37843b8283 136
zchen78 1:0d37843b8283 137
zchen311 0:4c7b2475af40 138 }
zchen311 0:4c7b2475af40 139
zchen78 1:0d37843b8283 140
zchen311 0:4c7b2475af40 141 // display a shifting rainbow, all colors have maximum
zchen311 0:4c7b2475af40 142 // saturation and value, with evenly spaced hue
zchen78 1:0d37843b8283 143 void rainBow()
zchen311 0:4c7b2475af40 144 {
zchen311 0:4c7b2475af40 145 static float dh = 360.0 / N;
zchen311 0:4c7b2475af40 146 static float x = 0;
zchen311 0:4c7b2475af40 147
zchen78 1:0d37843b8283 148 //rainbow three times
zchen78 1:0d37843b8283 149 for(int j=0;j<3;j++){
zchen78 1:0d37843b8283 150
zchen311 0:4c7b2475af40 151 for (int i = 0; i < N; i++)
zchen311 0:4c7b2475af40 152 strip.setPixel(i, hueToRGB((dh * i) - x));
zchen311 0:4c7b2475af40 153
zchen311 0:4c7b2475af40 154 x += 1;
zchen311 0:4c7b2475af40 155 if (x > 360)
zchen311 0:4c7b2475af40 156 x = 0;
zchen78 1:0d37843b8283 157
zchen78 1:0d37843b8283 158 }
zchen78 1:0d37843b8283 159
zchen78 1:0d37843b8283 160
zchen311 0:4c7b2475af40 161 }
zchen311 0:4c7b2475af40 162
zchen311 0:4c7b2475af40 163
zchen311 0:4c7b2475af40 164
zchen311 0:4c7b2475af40 165 // Converts HSV to RGB with the given hue, assuming
zchen311 0:4c7b2475af40 166 // maximum saturation and value
zchen311 0:4c7b2475af40 167 int hueToRGB(float h)
zchen311 0:4c7b2475af40 168 {
zchen311 0:4c7b2475af40 169 // lots of floating point magic from the internet and scratching my head
zchen311 0:4c7b2475af40 170 float r, g, b;
zchen311 0:4c7b2475af40 171 if (h > 360)
zchen311 0:4c7b2475af40 172 h -= 360;
zchen311 0:4c7b2475af40 173 if (h < 0)
zchen311 0:4c7b2475af40 174 h += 360;
zchen311 0:4c7b2475af40 175 int i = (int)(h / 60.0);
zchen311 0:4c7b2475af40 176 float f = (h / 60.0) - i;
zchen311 0:4c7b2475af40 177 float q = 1 - f;
zchen311 0:4c7b2475af40 178
zchen311 0:4c7b2475af40 179 switch (i % 6)
zchen311 0:4c7b2475af40 180 {
zchen311 0:4c7b2475af40 181 case 0: r = 1; g = f; b = 0; break;
zchen311 0:4c7b2475af40 182 case 1: r = q; g = 1; b = 0; break;
zchen311 0:4c7b2475af40 183 case 2: r = 0; g = 1; b = f; break;
zchen311 0:4c7b2475af40 184 case 3: r = 0; g = q; b = 1; break;
zchen311 0:4c7b2475af40 185 case 4: r = f; g = 0; b = 1; break;
zchen311 0:4c7b2475af40 186 case 5: r = 1; g = 0; b = q; break;
zchen311 0:4c7b2475af40 187 default: r = 0; g = 0; b = 0; break;
zchen311 0:4c7b2475af40 188 }
zchen311 0:4c7b2475af40 189
zchen311 0:4c7b2475af40 190 // scale to integers and return the packed value
zchen311 0:4c7b2475af40 191 uint8_t R = (uint8_t)(r * 255);
zchen311 0:4c7b2475af40 192 uint8_t G = (uint8_t)(g * 255);
zchen311 0:4c7b2475af40 193 uint8_t B = (uint8_t)(b * 255);
zchen311 0:4c7b2475af40 194
zchen311 0:4c7b2475af40 195 return (R << 16) | (G << 8) | B;
zchen311 0:4c7b2475af40 196 }
zchen311 0:4c7b2475af40 197
zchen311 0:4c7b2475af40 198 void fillBlue(){
zchen311 0:4c7b2475af40 199 for(int i = 0; i < N; i++){
zchen311 0:4c7b2475af40 200 chars[i] = 0x122446;
zchen311 0:4c7b2475af40 201 }
zchen311 0:4c7b2475af40 202 }
zchen311 0:4c7b2475af40 203
zchen78 1:0d37843b8283 204
zchen311 0:4c7b2475af40 205
zchen311 0:4c7b2475af40 206
zchen311 0:4c7b2475af40 207 void putChar(int row, int col, char ch, int color){
zchen311 0:4c7b2475af40 208 for(int r = 0; r < 8; r++){
zchen311 0:4c7b2475af40 209 for(int c = 0; c < 6; c++){
zchen311 0:4c7b2475af40 210 if(fontdata_6x8[ch * 48 + r * 6 +c]){
zchen311 0:4c7b2475af40 211 int idx = getIndex(row+r, col+c);
zchen311 0:4c7b2475af40 212 if(idx != -1)
zchen311 0:4c7b2475af40 213 chars[idx] = color;
zchen311 0:4c7b2475af40 214 }
zchen311 0:4c7b2475af40 215 }
zchen311 0:4c7b2475af40 216 }
zchen311 0:4c7b2475af40 217 }
zchen311 0:4c7b2475af40 218 void putCharV(int row, int col, char ch, int color){
zchen311 0:4c7b2475af40 219 for(int r = 0; r < 8; r++){
zchen311 0:4c7b2475af40 220 for(int c = 0; c < 6; c++){
zchen311 0:4c7b2475af40 221 if(fontdata_6x8[ch * 48 + r * 6 +c]){
zchen311 0:4c7b2475af40 222 int idx = (row + r) *8 +( col +c);
zchen311 0:4c7b2475af40 223 if(idx != -1)
zchen311 0:4c7b2475af40 224 chars[idx] = color;
zchen311 0:4c7b2475af40 225 }
zchen311 0:4c7b2475af40 226 }
zchen311 0:4c7b2475af40 227 }
zchen311 0:4c7b2475af40 228 }
zchen311 0:4c7b2475af40 229
zchen311 0:4c7b2475af40 230 void MarioBox(){
zchen311 0:4c7b2475af40 231 int color = 0xffff00;
zchen78 1:0d37843b8283 232 // int red = 0xff0000;
zchen311 0:4c7b2475af40 233
zchen311 0:4c7b2475af40 234 drawBox(8);
zchen311 0:4c7b2475af40 235 strip.setPixels(0, N, chars);
zchen311 0:4c7b2475af40 236 strip.write();
zchen311 0:4c7b2475af40 237 wait(5);
zchen311 0:4c7b2475af40 238
zchen311 0:4c7b2475af40 239 for(int i = 1; i < 3; i++){
zchen311 0:4c7b2475af40 240 fillBlue();
zchen311 0:4c7b2475af40 241 drawBox(8-i);
zchen311 0:4c7b2475af40 242 strip.setPixels(0, N, chars);
zchen311 0:4c7b2475af40 243 strip.write();
zchen311 0:4c7b2475af40 244 wait(0.3);
zchen311 0:4c7b2475af40 245 }
zchen311 0:4c7b2475af40 246 for(int i = 0; i < 3; i++){
zchen311 0:4c7b2475af40 247 fillBlue();
zchen311 0:4c7b2475af40 248 drawBox(6 + i);
zchen311 0:4c7b2475af40 249 strip.setPixels(0, N, chars);
zchen311 0:4c7b2475af40 250 strip.write();
zchen311 0:4c7b2475af40 251 wait(0.3);
zchen311 0:4c7b2475af40 252 }
zchen311 0:4c7b2475af40 253 fillBlue();
zchen311 0:4c7b2475af40 254 emptyBox(8);
zchen311 0:4c7b2475af40 255 putChar(0,0,'0',color);
zchen311 0:4c7b2475af40 256 strip.setPixels(0, N, chars);
zchen311 0:4c7b2475af40 257 strip.write();
zchen311 0:4c7b2475af40 258 wait(30);
zchen311 0:4c7b2475af40 259 }
zchen311 0:4c7b2475af40 260 void putString(std::string str){
zchen311 0:4c7b2475af40 261 int color = 0xffff00;
zchen311 0:4c7b2475af40 262 for(int i = 0; i < str.length(); ++i){
zchen311 0:4c7b2475af40 263 putChar(0,5*i,str[i], color);
zchen311 0:4c7b2475af40 264 }
zchen311 0:4c7b2475af40 265 strip.setPixels(0, N, chars);
zchen311 0:4c7b2475af40 266 strip.write();
zchen311 0:4c7b2475af40 267
zchen311 0:4c7b2475af40 268 }
zchen311 0:4c7b2475af40 269
zchen311 0:4c7b2475af40 270 void loopAscii(int count){
zchen311 0:4c7b2475af40 271 int color = 0xffff00;
zchen311 0:4c7b2475af40 272 putChar(0,0,ch+count,color);
zchen311 0:4c7b2475af40 273 putChar(0,6,ch+count+1,color);
zchen311 0:4c7b2475af40 274 strip.setPixels(0, N, chars);
zchen311 0:4c7b2475af40 275 strip.write();
zchen311 0:4c7b2475af40 276 }
zchen311 0:4c7b2475af40 277
zchen311 0:4c7b2475af40 278 void drawBox(int row){
zchen311 0:4c7b2475af40 279 for(int i = 0; i < 64; ++i)
zchen311 0:4c7b2475af40 280 chars[row*8 + i] = 0x000000;
zchen311 0:4c7b2475af40 281 putCharV(row,0,'?',0xffff00);
zchen311 0:4c7b2475af40 282 }
zchen311 0:4c7b2475af40 283 void emptyBox(int row){
zchen311 0:4c7b2475af40 284 for(int i = 0; i < 64; ++i)
zchen311 0:4c7b2475af40 285 chars[row*8 + i] = 0x000000;
zchen311 0:4c7b2475af40 286 }
zchen311 0:4c7b2475af40 287 void progressBar(bool up){
zchen311 0:4c7b2475af40 288 int index;
zchen311 0:4c7b2475af40 289 int init;
zchen311 0:4c7b2475af40 290 int increment;
zchen311 0:4c7b2475af40 291 int color;
zchen311 0:4c7b2475af40 292 if(up == true){
zchen311 0:4c7b2475af40 293 init = 0;
zchen311 0:4c7b2475af40 294 increment = 1;
zchen311 0:4c7b2475af40 295 color = 0x122446;
zchen311 0:4c7b2475af40 296 }else {
zchen311 0:4c7b2475af40 297 init = 15;
zchen311 0:4c7b2475af40 298 increment = -1;
zchen311 0:4c7b2475af40 299 fillBlue();
zchen311 0:4c7b2475af40 300 color = 0x000000;
zchen311 0:4c7b2475af40 301 }
zchen311 0:4c7b2475af40 302
zchen311 0:4c7b2475af40 303 for(int x = 0; x < 16 ; x++){
zchen311 0:4c7b2475af40 304
zchen311 0:4c7b2475af40 305 for (int j = 0; j < 8; j++){
zchen311 0:4c7b2475af40 306 index = getIndex(j,init + increment * x);
zchen311 0:4c7b2475af40 307 chars[index] = color;
zchen311 0:4c7b2475af40 308 }
zchen311 0:4c7b2475af40 309 strip.setPixels(0, N, chars);
zchen311 0:4c7b2475af40 310 strip.write();
zchen311 0:4c7b2475af40 311 wait(1);
zchen311 0:4c7b2475af40 312 }
zchen78 1:0d37843b8283 313 }
zchen78 1:0d37843b8283 314
zchen78 1:0d37843b8283 315
zchen78 1:0d37843b8283 316
zchen78 1:0d37843b8283 317 void patternLeft()
zchen78 1:0d37843b8283 318 {
zchen78 1:0d37843b8283 319 for (int i = 0; i < 59; i++)
zchen78 1:0d37843b8283 320 {
zchen78 1:0d37843b8283 321 if (maskLeft[i] == 1)
zchen78 1:0d37843b8283 322 strip.setPixel(i, 0, 0xff, 0);
zchen78 1:0d37843b8283 323 else
zchen78 1:0d37843b8283 324 strip.setPixel(i, 0);
zchen78 1:0d37843b8283 325 }
zchen78 1:0d37843b8283 326 }
zchen78 1:0d37843b8283 327
zchen78 1:0d37843b8283 328 void patternRight()
zchen78 1:0d37843b8283 329 {
zchen78 1:0d37843b8283 330 for (int i = 0; i < 59; i++)
zchen78 1:0d37843b8283 331 {
zchen78 1:0d37843b8283 332 if (maskRight[i] == 1)
zchen78 1:0d37843b8283 333 strip.setPixel(i, 0, 0xff, 0);
zchen78 1:0d37843b8283 334 else
zchen78 1:0d37843b8283 335 strip.setPixel(i, 0);
zchen78 1:0d37843b8283 336 }
zchen78 1:0d37843b8283 337 }
zchen78 1:0d37843b8283 338
zchen78 1:0d37843b8283 339 void patternStop()
zchen78 1:0d37843b8283 340 {
zchen78 1:0d37843b8283 341 for (int i = 0; i < 59; i++)
zchen78 1:0d37843b8283 342 {
zchen78 1:0d37843b8283 343 if (maskStop[i] == 1)
zchen78 1:0d37843b8283 344 strip.setPixel(i, 0xff, 0, 0);
zchen78 1:0d37843b8283 345 else
zchen78 1:0d37843b8283 346 strip.setPixel(i, 0);
zchen78 1:0d37843b8283 347 }
zchen78 1:0d37843b8283 348 }
zchen78 1:0d37843b8283 349
zchen78 1:0d37843b8283 350 void patternNone()
zchen78 1:0d37843b8283 351 {
zchen78 1:0d37843b8283 352 for (int i = 0; i < 59; i++)
zchen78 1:0d37843b8283 353 {
zchen78 1:0d37843b8283 354 strip.setPixel(i, 0);
zchen78 1:0d37843b8283 355 }
zchen78 1:0d37843b8283 356 }
zchen78 1:0d37843b8283 357
zchen78 1:0d37843b8283 358
zchen78 1:0d37843b8283 359
zchen78 1:0d37843b8283 360 void blinkOn()
zchen78 1:0d37843b8283 361 {
zchen78 1:0d37843b8283 362 for (int i = 0; i < N; i++)
zchen78 1:0d37843b8283 363 {
zchen78 1:0d37843b8283 364 if (i % 2)
zchen78 1:0d37843b8283 365 strip.setPixel(i, 0xff, 0, 0);
zchen78 1:0d37843b8283 366 else
zchen78 1:0d37843b8283 367 strip.setPixel(i, 0, 0, 0);
zchen78 1:0d37843b8283 368 }
zchen78 1:0d37843b8283 369 wait_ms(50);
zchen78 1:0d37843b8283 370 strip.write();
zchen78 1:0d37843b8283 371 }
zchen78 1:0d37843b8283 372
zchen78 1:0d37843b8283 373 void blinkOff()
zchen78 1:0d37843b8283 374 {
zchen78 1:0d37843b8283 375 for (int i = 0; i < N; i++)
zchen78 1:0d37843b8283 376 {
zchen78 1:0d37843b8283 377 strip.setPixel(i, 0, 0, 0);
zchen78 1:0d37843b8283 378 }
zchen78 1:0d37843b8283 379 wait_ms(60);
zchen78 1:0d37843b8283 380 strip.write();
zchen78 1:0d37843b8283 381 }
zchen78 1:0d37843b8283 382
zchen78 1:0d37843b8283 383
zchen78 1:0d37843b8283 384
zchen78 1:0d37843b8283 385 void distanceDemo(){
zchen78 1:0d37843b8283 386 float temp[10];
zchen78 1:0d37843b8283 387 for (int i = 0; i < 10; i++)
zchen78 1:0d37843b8283 388 {
zchen78 1:0d37843b8283 389 float val;
zchen78 1:0d37843b8283 390 val = 21/ir;
zchen78 1:0d37843b8283 391 temp[i] = val;
zchen78 1:0d37843b8283 392 float sum = 0;
zchen78 1:0d37843b8283 393 for (int j = 0; j < 10; j++)
zchen78 1:0d37843b8283 394 {
zchen78 1:0d37843b8283 395 sum += temp[j];
zchen78 1:0d37843b8283 396 }
zchen78 1:0d37843b8283 397 float avg = sum/10;
zchen78 1:0d37843b8283 398 if (avg < 70)
zchen78 1:0d37843b8283 399 {
zchen78 1:0d37843b8283 400 blinkOn();
zchen78 1:0d37843b8283 401 wait_ms(100);
zchen78 1:0d37843b8283 402 blinkOff();
zchen78 1:0d37843b8283 403 wait_ms(100);
zchen78 1:0d37843b8283 404 blinkOn();
zchen78 1:0d37843b8283 405 wait_ms(100);
zchen78 1:0d37843b8283 406 blinkOff();
zchen78 1:0d37843b8283 407 wait_ms(100);
zchen78 1:0d37843b8283 408 blinkOn();
zchen78 1:0d37843b8283 409 wait_ms(100);
zchen78 1:0d37843b8283 410 blinkOff();
zchen78 1:0d37843b8283 411 wait_ms(100);
zchen78 1:0d37843b8283 412
zchen78 1:0d37843b8283 413 }
zchen78 1:0d37843b8283 414 }
zchen78 1:0d37843b8283 415
zchen78 1:0d37843b8283 416 }
zchen78 1:0d37843b8283 417
zchen78 1:0d37843b8283 418