ece4180final / Mbed 2 deprecated ECE4180_Werable_LCD_DEMO

working demo, with iPhone support

Dependencies:   NeoPixels NeoStrip mbed

Fork of NeoPixels by Allen Wild

main.cpp@2:b322ea7290a5, 2014-04-28 (annotated)

Committer:
zchen311
Date:
Mon Apr 28 02:20:46 2014 +0000
Revision:
2:b322ea7290a5
Parent:
1:3b59b44884cd 
working demo with iphone support

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aswild 0:f38492690f0e 1 #include "mbed.h"
aswild 0:f38492690f0e 2 #include "NeoStrip.h"
zchen311 1:3b59b44884cd 3 #include "text.h"
zchen311 1:3b59b44884cd 4 #define N 128
zchen311 1:3b59b44884cd 5 #define PATTERNS 4
zchen311 1:3b59b44884cd 6 #include <string>
zchen311 2:b322ea7290a5 7 #include "helper.h"
zchen311 2:b322ea7290a5 8
zchen311 2:b322ea7290a5 9
zchen311 2:b322ea7290a5 10 NeoStrip strip(p18, N);
zchen311 2:b322ea7290a5 11
zchen311 2:b322ea7290a5 12 //callback function for incoming serial communication
zchen311 2:b322ea7290a5 13 void callback();
zchen311 2:b322ea7290a5 14 //necessary functions for distanceDemo and bikeDemo
zchen311 2:b322ea7290a5 15 void blinkOn();
zchen311 2:b322ea7290a5 16 void blinkOff();
zchen311 2:b322ea7290a5 17 void patternLeft();
zchen311 2:b322ea7290a5 18 void patternRight();
zchen311 2:b322ea7290a5 19 void patternStop();
zchen311 2:b322ea7290a5 20 void patternNone();
zchen311 2:b322ea7290a5 21 void distanceDemo();
zchen311 2:b322ea7290a5 22 void rainBow();
zchen311 2:b322ea7290a5 23 void emojiDemo();
zchen311 2:b322ea7290a5 24 //necessary functions for Animation Demo
zchen311 1:3b59b44884cd 25 void fillBlue();
zchen311 1:3b59b44884cd 26 void progressBar(bool);
zchen311 1:3b59b44884cd 27 void putChar(int row, int col, char ch, int color);
zchen311 1:3b59b44884cd 28 void putString(std::string);
zchen311 2:b322ea7290a5 29 void loopAscii();
zchen311 1:3b59b44884cd 30 void MarioBox();
zchen311 1:3b59b44884cd 31 void drawBox(int row);void emptyBox(int row);
zchen311 1:3b59b44884cd 32 void putCharV(int row, int col, char ch, int color);
zchen311 2:b322ea7290a5 33 int getIndex(int r, int c);
zchen311 2:b322ea7290a5 34
zchen311 2:b322ea7290a5 35
aswild 0:f38492690f0e 36
zchen311 2:b322ea7290a5 37 //hardware initilization
zchen311 2:b322ea7290a5 38 Serial device(p13,p14);
zchen311 2:b322ea7290a5 39 AnalogIn ir(p20);
zchen311 2:b322ea7290a5 40 Serial pc(USBTX,USBRX);
aswild 0:f38492690f0e 41
zchen311 2:b322ea7290a5 42 //variable initilization
zchen311 2:b322ea7290a5 43 Timer t;
zchen311 1:3b59b44884cd 44 int chars[128];
zchen311 2:b322ea7290a5 45 std::string emoji[9] = {"*_*", "^_^", "$_$", ">_<", "=_=", "+_=", ":)", ":(", ":3"};
zchen311 2:b322ea7290a5 46 void (*patterns[])(void) = {&patternLeft, &patternRight, &patternStop, &patternNone};
zchen311 2:b322ea7290a5 47 int bikeDir;
zchen311 1:3b59b44884cd 48 char ch = 'A';
aswild 0:f38492690f0e 49
aswild 0:f38492690f0e 50 int main()
zchen311 2:b322ea7290a5 51 {
zchen311 2:b322ea7290a5 52 // std::string emoji[9] = {"*_*", "^_^", "$_$", ">_<", "=_=", "+_=", ":)", ":(", ":3"};
zchen311 2:b322ea7290a5 53 float bright = 0.2; // 20% is plenty for indoor use
zchen311 2:b322ea7290a5 54 strip.setBrightness(bright); // set default brightness
zchen311 2:b322ea7290a5 55
zchen311 2:b322ea7290a5 56 //setup serial device
zchen311 2:b322ea7290a5 57 device.baud(57600);
zchen311 2:b322ea7290a5 58 device.attach(&callback);
zchen311 2:b322ea7290a5 59
zchen311 2:b322ea7290a5 60 //wait until phone is connected
zchen311 2:b322ea7290a5 61 while(1){
zchen311 2:b322ea7290a5 62 if(device.readable()) break;
zchen311 2:b322ea7290a5 63 }
zchen311 2:b322ea7290a5 64 pc.printf("Device connected\n");
aswild 0:f38492690f0e 65
zchen311 2:b322ea7290a5 66 //ready for commands, clear serael buffer
zchen311 2:b322ea7290a5 67 while(device.readable()) device.getc();
zchen311 2:b322ea7290a5 68 pc.printf("Device ready for commands;\n");
zchen311 2:b322ea7290a5 69 //phone is disconnected, flash red light warning
zchen311 2:b322ea7290a5 70 while(1){
zchen311 2:b322ea7290a5 71 if(t.read_ms()>3000){
zchen311 2:b322ea7290a5 72 pc.printf("time passed i %d\n",t.read_ms());
zchen311 2:b322ea7290a5 73 blinkOn();
zchen311 2:b322ea7290a5 74 //progressBar(true);
zchen311 2:b322ea7290a5 75 wait_ms(200);
zchen311 2:b322ea7290a5 76 blinkOff();
zchen311 2:b322ea7290a5 77 // wait_ms(200);
zchen311 2:b322ea7290a5 78 }
zchen311 2:b322ea7290a5 79 wait(5);
zchen311 2:b322ea7290a5 80 }
aswild 0:f38492690f0e 81
zchen311 2:b322ea7290a5 82
zchen311 2:b322ea7290a5 83
aswild 0:f38492690f0e 84 }
aswild 0:f38492690f0e 85
zchen311 2:b322ea7290a5 86
zchen311 2:b322ea7290a5 87 void callback(){
zchen311 2:b322ea7290a5 88 pc.printf("new commands arrive \n");
zchen311 2:b322ea7290a5 89 t.reset();
zchen311 2:b322ea7290a5 90 switch(device.getc()){
zchen311 2:b322ea7290a5 91
zchen311 2:b322ea7290a5 92 case PhoneDemo:
zchen311 2:b322ea7290a5 93 pc.printf("Lost Phone Demo\n");
zchen311 2:b322ea7290a5 94 while(device.readable()) device.getc();
zchen311 2:b322ea7290a5 95 //reply ack
zchen311 2:b322ea7290a5 96 device.putc('P');
zchen311 2:b322ea7290a5 97 t.start();
zchen311 2:b322ea7290a5 98 break;
zchen311 2:b322ea7290a5 99
zchen311 2:b322ea7290a5 100 case MusicDemo:
zchen311 2:b322ea7290a5 101 pc.printf("Music Demo\n");
zchen311 2:b322ea7290a5 102 rainBow();
zchen311 2:b322ea7290a5 103 //progressBar(true);
zchen311 2:b322ea7290a5 104 //progressBar(false);
zchen311 2:b322ea7290a5 105 break;
zchen311 2:b322ea7290a5 106
zchen311 2:b322ea7290a5 107 case DistanceDemo:
zchen311 2:b322ea7290a5 108 pc.printf("Distance Demo\n");
zchen311 2:b322ea7290a5 109 device.putc('D');
zchen311 2:b322ea7290a5 110 distanceDemo();
zchen311 2:b322ea7290a5 111 break;
zchen311 2:b322ea7290a5 112
zchen311 2:b322ea7290a5 113 case AnimationOneDemo:
zchen311 2:b322ea7290a5 114 MarioBox();
zchen311 2:b322ea7290a5 115 break;
zchen311 2:b322ea7290a5 116
zchen311 2:b322ea7290a5 117 case AnimationTwoDemo:
zchen311 2:b322ea7290a5 118 pc.printf("Emoji Demo\n");
zchen311 2:b322ea7290a5 119 emojiDemo();
zchen311 2:b322ea7290a5 120 break;
zchen311 2:b322ea7290a5 121
zchen311 2:b322ea7290a5 122 case AnimationThreeDemo:
zchen311 2:b322ea7290a5 123 pc.printf("ascii demo\n");
zchen311 2:b322ea7290a5 124 loopAscii();
zchen311 2:b322ea7290a5 125 break;
zchen311 2:b322ea7290a5 126
zchen311 2:b322ea7290a5 127 case LEFT:
zchen311 2:b322ea7290a5 128 pc.printf("left arrow\n");
zchen311 2:b322ea7290a5 129 patternLeft();
zchen311 2:b322ea7290a5 130 break;
zchen311 2:b322ea7290a5 131
zchen311 2:b322ea7290a5 132 case RIGHT:
zchen311 2:b322ea7290a5 133 pc.printf("right arrow\n");
zchen311 2:b322ea7290a5 134
zchen311 2:b322ea7290a5 135 patternRight();
zchen311 2:b322ea7290a5 136 break;
zchen311 2:b322ea7290a5 137
zchen311 2:b322ea7290a5 138 case STOP:
zchen311 2:b322ea7290a5 139 pc.printf("stop\n");
zchen311 2:b322ea7290a5 140
zchen311 2:b322ea7290a5 141 patternStop();
zchen311 2:b322ea7290a5 142 break;
zchen311 2:b322ea7290a5 143
zchen311 2:b322ea7290a5 144 default:
zchen311 2:b322ea7290a5 145 break;
aswild 0:f38492690f0e 146 }
aswild 0:f38492690f0e 147
aswild 0:f38492690f0e 148
aswild 0:f38492690f0e 149 }
aswild 0:f38492690f0e 150
aswild 0:f38492690f0e 151
aswild 0:f38492690f0e 152
zchen311 2:b322ea7290a5 153
aswild 0:f38492690f0e 154
zchen311 2:b322ea7290a5 155
aswild 0:f38492690f0e 156
zchen311 1:3b59b44884cd 157 void fillBlue(){
zchen311 2:b322ea7290a5 158 for(int i = 0; i < N; i++){
zchen311 2:b322ea7290a5 159 chars[i] = 0x122446;
zchen311 2:b322ea7290a5 160 }
zchen311 1:3b59b44884cd 161 }
zchen311 1:3b59b44884cd 162
zchen311 1:3b59b44884cd 163 void putChar(int row, int col, char ch, int color){
zchen311 2:b322ea7290a5 164 for(int r = 0; r < 8; r++){
zchen311 2:b322ea7290a5 165 for(int c = 0; c < 6; c++){
zchen311 2:b322ea7290a5 166 if(fontdata_6x8[ch * 48 + r * 6 +c]){
zchen311 2:b322ea7290a5 167 int idx = getIndex(row+r, col+c);
zchen311 2:b322ea7290a5 168 if(idx != -1)
zchen311 2:b322ea7290a5 169 chars[idx] = color;
zchen311 2:b322ea7290a5 170 }
zchen311 2:b322ea7290a5 171 }
zchen311 2:b322ea7290a5 172 }
zchen311 1:3b59b44884cd 173 }
zchen311 1:3b59b44884cd 174 void putCharV(int row, int col, char ch, int color){
zchen311 2:b322ea7290a5 175 for(int r = 0; r < 8; r++){
zchen311 2:b322ea7290a5 176 for(int c = 0; c < 6; c++){
zchen311 2:b322ea7290a5 177 if(fontdata_6x8[ch * 48 + r * 6 +c]){
zchen311 2:b322ea7290a5 178 int idx = (row + r) *8 +( col +c);
zchen311 2:b322ea7290a5 179 if(idx != -1)
zchen311 2:b322ea7290a5 180 chars[idx] = color;
zchen311 2:b322ea7290a5 181 }
zchen311 2:b322ea7290a5 182 }
zchen311 2:b322ea7290a5 183 }
zchen311 1:3b59b44884cd 184 }
zchen311 1:3b59b44884cd 185
zchen311 1:3b59b44884cd 186 void MarioBox(){
zchen311 2:b322ea7290a5 187 int color = 0xffff00;
zchen311 2:b322ea7290a5 188 // int red = 0xff0000;
zchen311 2:b322ea7290a5 189
zchen311 2:b322ea7290a5 190 drawBox(8);
zchen311 2:b322ea7290a5 191 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 192 strip.write();
zchen311 2:b322ea7290a5 193 wait(5);
zchen311 1:3b59b44884cd 194
zchen311 2:b322ea7290a5 195 for(int i = 1; i < 3; i++){
zchen311 2:b322ea7290a5 196 fillBlue();
zchen311 2:b322ea7290a5 197 drawBox(8-i);
zchen311 2:b322ea7290a5 198 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 199 strip.write();
zchen311 2:b322ea7290a5 200 wait(0.3);
zchen311 2:b322ea7290a5 201 }
zchen311 2:b322ea7290a5 202 for(int i = 0; i < 3; i++){
zchen311 2:b322ea7290a5 203 fillBlue();
zchen311 2:b322ea7290a5 204 drawBox(6 + i);
zchen311 2:b322ea7290a5 205 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 206 strip.write();
zchen311 2:b322ea7290a5 207 wait(0.3);
zchen311 2:b322ea7290a5 208 }
zchen311 2:b322ea7290a5 209 fillBlue();
zchen311 2:b322ea7290a5 210 emptyBox(8);
zchen311 2:b322ea7290a5 211 putChar(0,0,'0',color);
zchen311 2:b322ea7290a5 212 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 213 strip.write();
zchen311 2:b322ea7290a5 214 wait(5);
zchen311 2:b322ea7290a5 215 strip.clear();
zchen311 2:b322ea7290a5 216 strip.write();
zchen311 2:b322ea7290a5 217
zchen311 1:3b59b44884cd 218 }
zchen311 1:3b59b44884cd 219 void putString(std::string str){
zchen311 2:b322ea7290a5 220 int color = 0xffff00;
zchen311 2:b322ea7290a5 221 for(int i = 0; i < str.length(); ++i){
zchen311 2:b322ea7290a5 222 putChar(0,5*i,str[i], color);
zchen311 2:b322ea7290a5 223 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 224 }
zchen311 2:b322ea7290a5 225 strip.write();
zchen311 2:b322ea7290a5 226 wait_ms(100);
zchen311 2:b322ea7290a5 227 }
zchen311 2:b322ea7290a5 228
zchen311 2:b322ea7290a5 229 void loopAscii(){
zchen311 2:b322ea7290a5 230 int color = 0xffff00;
zchen311 2:b322ea7290a5 231 char ch = 'A';
zchen311 2:b322ea7290a5 232 int count = 50;
zchen311 2:b322ea7290a5 233
zchen311 2:b322ea7290a5 234 for(int i = 0; i < count; i+=2) {
zchen311 2:b322ea7290a5 235 putChar(0,0,ch+i,color);
zchen311 2:b322ea7290a5 236 putChar(0,7,ch+i+1,color);
zchen311 2:b322ea7290a5 237 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 238 strip.write();
zchen311 2:b322ea7290a5 239 wait_ms(200);
zchen311 2:b322ea7290a5 240 }
zchen311 1:3b59b44884cd 241
zchen311 1:3b59b44884cd 242 }
zchen311 1:3b59b44884cd 243
zchen311 1:3b59b44884cd 244 void drawBox(int row){
zchen311 2:b322ea7290a5 245 for(int i = 0; i < 64; ++i)
zchen311 2:b322ea7290a5 246 chars[row*8 + i] = 0x000000;
zchen311 2:b322ea7290a5 247 putCharV(row,0,'?',0xffff00);
zchen311 1:3b59b44884cd 248 }
zchen311 1:3b59b44884cd 249 void emptyBox(int row){
zchen311 2:b322ea7290a5 250 for(int i = 0; i < 64; ++i)
zchen311 2:b322ea7290a5 251 chars[row*8 + i] = 0x000000;
zchen311 1:3b59b44884cd 252 }
zchen311 1:3b59b44884cd 253 void progressBar(bool up){
zchen311 2:b322ea7290a5 254 int index;
zchen311 2:b322ea7290a5 255 int init;
zchen311 2:b322ea7290a5 256 int increment;
zchen311 2:b322ea7290a5 257 int color;
zchen311 2:b322ea7290a5 258 if(up == true){
zchen311 2:b322ea7290a5 259 init = 0;
zchen311 2:b322ea7290a5 260 increment = 1;
zchen311 2:b322ea7290a5 261 color = 0x122446;
zchen311 2:b322ea7290a5 262 }else {
zchen311 2:b322ea7290a5 263 init = 15;
zchen311 2:b322ea7290a5 264 increment = -1;
zchen311 2:b322ea7290a5 265 fillBlue();
zchen311 2:b322ea7290a5 266 color = 0x000000;
zchen311 2:b322ea7290a5 267 }
zchen311 2:b322ea7290a5 268
zchen311 2:b322ea7290a5 269 for(int x = 0; x < 16 ; x++){
zchen311 2:b322ea7290a5 270
zchen311 2:b322ea7290a5 271 for (int j = 0; j < 8; j++){
zchen311 2:b322ea7290a5 272 index = getIndex(j,init + increment * x);
zchen311 2:b322ea7290a5 273 chars[index] = color;
zchen311 2:b322ea7290a5 274 }
zchen311 2:b322ea7290a5 275 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 276 strip.write();
zchen311 2:b322ea7290a5 277 wait_ms(200);
zchen311 2:b322ea7290a5 278 }
zchen311 2:b322ea7290a5 279 }
zchen311 2:b322ea7290a5 280
zchen311 2:b322ea7290a5 281
zchen311 2:b322ea7290a5 282 void rainBow(){
zchen311 2:b322ea7290a5 283 int index;
zchen311 2:b322ea7290a5 284 unsigned int black = 0x000000;
zchen311 2:b322ea7290a5 285 unsigned int color[7] = {0x5b00ff,0xff0d19, 0xf0ff03, 0x17ff29, 0x1fffee,0x0d65ff, 0xfb12ff};
zchen311 2:b322ea7290a5 286 int init = 0;
zchen311 2:b322ea7290a5 287 int increment = 1;
zchen311 2:b322ea7290a5 288
zchen311 2:b322ea7290a5 289 for(int x = 0; x < 16 ; x++){
zchen311 2:b322ea7290a5 290 for (int j = 0; j < 8; j++){
zchen311 2:b322ea7290a5 291 index = getIndex(j,init + increment * x);
zchen311 2:b322ea7290a5 292 chars[index] = color[index%7];
zchen311 2:b322ea7290a5 293 }
zchen311 2:b322ea7290a5 294 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 295 strip.write();
zchen311 2:b322ea7290a5 296 wait_ms(200);
zchen311 2:b322ea7290a5 297 }
zchen311 2:b322ea7290a5 298
zchen311 2:b322ea7290a5 299 for(int x = 15; x >= 0 ; x--){
zchen311 2:b322ea7290a5 300 for (int j = 0; j < 8; j++){
zchen311 2:b322ea7290a5 301 index = getIndex(j,init + increment * x);
zchen311 2:b322ea7290a5 302 chars[index] = black;
zchen311 2:b322ea7290a5 303 }
zchen311 2:b322ea7290a5 304
zchen311 2:b322ea7290a5 305 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 306 strip.write();
zchen311 2:b322ea7290a5 307 wait_ms(200);
zchen311 2:b322ea7290a5 308 }
zchen311 2:b322ea7290a5 309
zchen311 2:b322ea7290a5 310 }
zchen311 2:b322ea7290a5 311
zchen311 2:b322ea7290a5 312
zchen311 2:b322ea7290a5 313
zchen311 2:b322ea7290a5 314 void patternLeft()
zchen311 2:b322ea7290a5 315 {
zchen311 2:b322ea7290a5 316 for(int j=0;j<3;j++){
zchen311 2:b322ea7290a5 317 for (int i = 0; i < N; i++)
zchen311 2:b322ea7290a5 318 {
zchen311 2:b322ea7290a5 319 if (maskLeft128[i] == 1)
zchen311 2:b322ea7290a5 320 chars[i]=0x00FF00;
zchen311 2:b322ea7290a5 321 else
zchen311 2:b322ea7290a5 322 chars[i]=0x000000;
zchen311 2:b322ea7290a5 323 }
zchen311 2:b322ea7290a5 324
zchen311 2:b322ea7290a5 325 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 326 strip.write();
zchen311 2:b322ea7290a5 327 wait_ms(200);
zchen311 2:b322ea7290a5 328 strip.clear();
zchen311 2:b322ea7290a5 329 strip.write();
zchen311 2:b322ea7290a5 330 wait_ms(200);
zchen311 2:b322ea7290a5 331
zchen311 2:b322ea7290a5 332 }
zchen311 2:b322ea7290a5 333 }
zchen311 2:b322ea7290a5 334
zchen311 2:b322ea7290a5 335 void patternRight()
zchen311 2:b322ea7290a5 336 {
zchen311 2:b322ea7290a5 337 for(int j=0;j<3;j++){
zchen311 2:b322ea7290a5 338 for (int i = 0; i < N; i++)
zchen311 2:b322ea7290a5 339 {
zchen311 2:b322ea7290a5 340 if (maskRight128[i] == 1)
zchen311 2:b322ea7290a5 341 chars[i]=0x00FF00;
zchen311 2:b322ea7290a5 342 else
zchen311 2:b322ea7290a5 343 chars[i]=0x000000;
zchen311 2:b322ea7290a5 344 }
zchen311 2:b322ea7290a5 345 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 346 strip.write();
zchen311 2:b322ea7290a5 347 wait_ms(200);
zchen311 2:b322ea7290a5 348 strip.clear();
zchen311 2:b322ea7290a5 349 strip.write();
zchen311 2:b322ea7290a5 350 wait_ms(200);
zchen311 2:b322ea7290a5 351
zchen311 2:b322ea7290a5 352 }
zchen311 2:b322ea7290a5 353
zchen311 2:b322ea7290a5 354 }
zchen311 2:b322ea7290a5 355
zchen311 2:b322ea7290a5 356 void patternStop()
zchen311 2:b322ea7290a5 357 {
zchen311 2:b322ea7290a5 358 for(int j=0;j<3;j++){
zchen311 2:b322ea7290a5 359 for (int i = 0; i < N; i++)
zchen311 2:b322ea7290a5 360 {
zchen311 2:b322ea7290a5 361 if (maskStop128[i] == 1)
zchen311 2:b322ea7290a5 362 chars[i]=0xFF0000;
zchen311 2:b322ea7290a5 363 else
zchen311 2:b322ea7290a5 364 chars[i]=0x000000;
zchen311 2:b322ea7290a5 365 }
zchen311 2:b322ea7290a5 366 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 367 strip.write();
zchen311 2:b322ea7290a5 368 wait_ms(200);
zchen311 2:b322ea7290a5 369 strip.clear();
zchen311 2:b322ea7290a5 370 strip.write();
zchen311 2:b322ea7290a5 371 wait_ms(200);
zchen311 2:b322ea7290a5 372
zchen311 2:b322ea7290a5 373 }
zchen311 2:b322ea7290a5 374
zchen311 2:b322ea7290a5 375 }
zchen311 2:b322ea7290a5 376
zchen311 2:b322ea7290a5 377 void patternNone()
zchen311 2:b322ea7290a5 378 {
zchen311 2:b322ea7290a5 379 strip.clear();
zchen311 2:b322ea7290a5 380 }
zchen311 2:b322ea7290a5 381
zchen311 2:b322ea7290a5 382
zchen311 2:b322ea7290a5 383
zchen311 2:b322ea7290a5 384 void blinkOn()
zchen311 2:b322ea7290a5 385 {
zchen311 2:b322ea7290a5 386 strip.clear();
zchen311 2:b322ea7290a5 387 for (int i = 0; i < N; i++)
zchen311 2:b322ea7290a5 388 {
zchen311 2:b322ea7290a5 389 chars[i]=0xFF0000;
zchen311 2:b322ea7290a5 390 }
zchen311 2:b322ea7290a5 391
zchen311 2:b322ea7290a5 392 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 393 strip.write();
zchen311 2:b322ea7290a5 394 wait_ms(200);
zchen311 2:b322ea7290a5 395 }
zchen311 2:b322ea7290a5 396
zchen311 2:b322ea7290a5 397 void blinkOff()
zchen311 2:b322ea7290a5 398 {
zchen311 2:b322ea7290a5 399 strip.clear();
zchen311 2:b322ea7290a5 400 for (int i = 0; i < N; i++)
zchen311 2:b322ea7290a5 401 {
zchen311 2:b322ea7290a5 402 chars[i]=0x000000;
zchen311 2:b322ea7290a5 403 }
zchen311 2:b322ea7290a5 404 strip.setPixels(0, N, chars);
zchen311 2:b322ea7290a5 405 strip.write();
zchen311 2:b322ea7290a5 406 wait_ms(200);
zchen311 2:b322ea7290a5 407 }
zchen311 2:b322ea7290a5 408
zchen311 2:b322ea7290a5 409
zchen311 2:b322ea7290a5 410
zchen311 2:b322ea7290a5 411 void distanceDemo(){
zchen311 2:b322ea7290a5 412 float val = 21/ir;
zchen311 2:b322ea7290a5 413 pc.printf("dist avg=%f\n",val);
zchen311 2:b322ea7290a5 414
zchen311 2:b322ea7290a5 415 if(val<70) {
zchen311 2:b322ea7290a5 416 blinkOn();
zchen311 2:b322ea7290a5 417 wait_ms(200);
zchen311 2:b322ea7290a5 418 blinkOff();
zchen311 2:b322ea7290a5 419 }
zchen311 2:b322ea7290a5 420
zchen311 2:b322ea7290a5 421 }
zchen311 2:b322ea7290a5 422
zchen311 2:b322ea7290a5 423 void emojiDemo(){
zchen311 2:b322ea7290a5 424 for(int i=0;i<8;i++){
zchen311 2:b322ea7290a5 425 putString(emoji[i]);
zchen311 2:b322ea7290a5 426 wait_ms(200);
zchen311 2:b322ea7290a5 427 strip.write();
zchen311 2:b322ea7290a5 428 wait_ms(200);
zchen311 2:b322ea7290a5 429 strip.clear();
zchen311 2:b322ea7290a5 430 strip.write();
zchen311 2:b322ea7290a5 431 wait_ms(200);
zchen311 2:b322ea7290a5 432 }
zchen311 2:b322ea7290a5 433 }
zchen311 2:b322ea7290a5 434
zchen311 2:b322ea7290a5 435
zchen311 2:b322ea7290a5 436 int getIndex(int r, int c){
zchen311 2:b322ea7290a5 437 if(c < 8){
zchen311 2:b322ea7290a5 438 return (r * 8 + c);
zchen311 2:b322ea7290a5 439 }else if(c > 15){
zchen311 2:b322ea7290a5 440 return -1;
zchen311 2:b322ea7290a5 441 }
zchen311 2:b322ea7290a5 442 else{
zchen311 2:b322ea7290a5 443 return (64 + r * 8 + (c-8));
zchen311 2:b322ea7290a5 444 }
zchen311 1:3b59b44884cd 445 }