Rick Steele / Mbed 2 deprecated WS2811_RY_A_MultiPort

Additional routines to provide multiple LED strip port connections.

Dependencies:   mbed

Fork of WS2811_RY_A by ohararp@...

main.cpp@2:047d1e5230b8, 2013-04-08 (annotated)

Committer:
rmsteele
Date:
Mon Apr 08 00:38:50 2013 +0000
Revision:
2:047d1e5230b8
Parent:
1:08d0b5e3b8e3 
Finxed Timing issues and added additional routines for multiple ports for multiple strips.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ohararp 0:f19c80146d55 1 #include "mbed.h"
ohararp 0:f19c80146d55 2 Serial pc(USBTX, USBRX);
rmsteele 2:047d1e5230b8 3 DigitalOut dat(p5), dat1(p6), dat2(p7), dat3(p8), dat4(p9), dat5(p10);
ohararp 0:f19c80146d55 4
ohararp 0:f19c80146d55 5
ohararp 0:f19c80146d55 6 //*******************************************************************************
ohararp 0:f19c80146d55 7 // DEFINE WS2811 Strip Parameters
rmsteele 2:047d1e5230b8 8 #define numLEDs 9
ohararp 0:f19c80146d55 9 uint8_t *pixels;
ohararp 0:f19c80146d55 10 Timer guardtime;
ohararp 0:f19c80146d55 11 uint32_t bogocal;
ohararp 0:f19c80146d55 12
ohararp 0:f19c80146d55 13 //*******************************************************************************
ohararp 0:f19c80146d55 14 void setup () {
ohararp 0:f19c80146d55 15 if ((pixels = (uint8_t *)malloc(numLEDs * 3))) {
ohararp 0:f19c80146d55 16 memset(pixels, 0x00, numLEDs * 3); // Init to RGB 'off' state
ohararp 0:f19c80146d55 17 }
ohararp 0:f19c80146d55 18 // calibrate delay loops for NRZ
ohararp 0:f19c80146d55 19 int i;
ohararp 0:f19c80146d55 20 guardtime.start();
ohararp 0:f19c80146d55 21 for (i=0; i<1000; i++)
ohararp 0:f19c80146d55 22 /* do nothing */;
ohararp 0:f19c80146d55 23 i=guardtime.read_us();
ohararp 0:f19c80146d55 24 printf("ws2811: 1000 iters took %d usec.\n", i);
ohararp 0:f19c80146d55 25 bogocal = (1000 / (i*4));//2.4)); // iterations per bitcell (417 nsec)
ohararp 0:f19c80146d55 26 printf("ws2811: calibrating to %d bogojiffies.\n", bogocal);
ohararp 0:f19c80146d55 27 }
ohararp 0:f19c80146d55 28 //*******************************************************************************
ohararp 0:f19c80146d55 29 inline void celldelay(void) {
ohararp 0:f19c80146d55 30 for (int i = 0; i<bogocal; i++)
ohararp 0:f19c80146d55 31 /* do nothing */ ;
ohararp 0:f19c80146d55 32 }
ohararp 0:f19c80146d55 33 //*******************************************************************************
ohararp 0:f19c80146d55 34 void writebit(bool bit) {
ohararp 0:f19c80146d55 35 // first cell is always 1
ohararp 0:f19c80146d55 36 dat = 1;
rmsteele 2:047d1e5230b8 37 // celldelay();
ohararp 0:f19c80146d55 38 if (bit) {
ohararp 0:f19c80146d55 39 celldelay();
rmsteele 2:047d1e5230b8 40 celldelay();
ohararp 0:f19c80146d55 41 } else {
ohararp 0:f19c80146d55 42 dat=0;
ohararp 0:f19c80146d55 43 celldelay();
ohararp 0:f19c80146d55 44 }
ohararp 0:f19c80146d55 45 // last cell is always 0
ohararp 0:f19c80146d55 46 dat=0;
ohararp 0:f19c80146d55 47 celldelay();
ohararp 0:f19c80146d55 48 }
ohararp 0:f19c80146d55 49 //*******************************************************************************
rmsteele 2:047d1e5230b8 50 void writebit1(bool bit) {
rmsteele 2:047d1e5230b8 51 // first cell is always 1
rmsteele 2:047d1e5230b8 52 dat1 = 1;
rmsteele 2:047d1e5230b8 53 // celldelay();
rmsteele 2:047d1e5230b8 54 if (bit) {
rmsteele 2:047d1e5230b8 55 celldelay();
rmsteele 2:047d1e5230b8 56 celldelay();
rmsteele 2:047d1e5230b8 57 } else {
rmsteele 2:047d1e5230b8 58 dat1=0;
rmsteele 2:047d1e5230b8 59 celldelay();
rmsteele 2:047d1e5230b8 60 }
rmsteele 2:047d1e5230b8 61 // last cell is always 0
rmsteele 2:047d1e5230b8 62 dat1=0;
rmsteele 2:047d1e5230b8 63 celldelay();
rmsteele 2:047d1e5230b8 64 }
rmsteele 2:047d1e5230b8 65 //*******************************************************************************
rmsteele 2:047d1e5230b8 66 void writebit2(bool bit) {
rmsteele 2:047d1e5230b8 67 // first cell is always 1
rmsteele 2:047d1e5230b8 68 dat2 = 1;
rmsteele 2:047d1e5230b8 69 // celldelay();
rmsteele 2:047d1e5230b8 70 if (bit) {
rmsteele 2:047d1e5230b8 71 celldelay();
rmsteele 2:047d1e5230b8 72 celldelay();
rmsteele 2:047d1e5230b8 73 } else {
rmsteele 2:047d1e5230b8 74 dat2=0;
rmsteele 2:047d1e5230b8 75 celldelay();
rmsteele 2:047d1e5230b8 76 }
rmsteele 2:047d1e5230b8 77 // last cell is always 0
rmsteele 2:047d1e5230b8 78 dat2=0;
rmsteele 2:047d1e5230b8 79 celldelay();
rmsteele 2:047d1e5230b8 80 }
rmsteele 2:047d1e5230b8 81 //*******************************************************************************
rmsteele 2:047d1e5230b8 82 void writebit3(bool bit) {
rmsteele 2:047d1e5230b8 83 // first cell is always 1
rmsteele 2:047d1e5230b8 84 dat3 = 1;
rmsteele 2:047d1e5230b8 85 // celldelay();
rmsteele 2:047d1e5230b8 86 if (bit) {
rmsteele 2:047d1e5230b8 87 celldelay();
rmsteele 2:047d1e5230b8 88 celldelay();
rmsteele 2:047d1e5230b8 89 } else {
rmsteele 2:047d1e5230b8 90 dat3=0;
rmsteele 2:047d1e5230b8 91 celldelay();
rmsteele 2:047d1e5230b8 92 }
rmsteele 2:047d1e5230b8 93 // last cell is always 0
rmsteele 2:047d1e5230b8 94 dat3=0;
rmsteele 2:047d1e5230b8 95 celldelay();
rmsteele 2:047d1e5230b8 96 }
rmsteele 2:047d1e5230b8 97 //*******************************************************************************
rmsteele 2:047d1e5230b8 98 void writebit4(bool bit) {
rmsteele 2:047d1e5230b8 99 // first cell is always 1
rmsteele 2:047d1e5230b8 100 dat4 = 1;
rmsteele 2:047d1e5230b8 101 // celldelay();
rmsteele 2:047d1e5230b8 102 if (bit) {
rmsteele 2:047d1e5230b8 103 celldelay();
rmsteele 2:047d1e5230b8 104 celldelay();
rmsteele 2:047d1e5230b8 105 } else {
rmsteele 2:047d1e5230b8 106 dat4=0;
rmsteele 2:047d1e5230b8 107 celldelay();
rmsteele 2:047d1e5230b8 108 }
rmsteele 2:047d1e5230b8 109 // last cell is always 0
rmsteele 2:047d1e5230b8 110 dat4=0;
rmsteele 2:047d1e5230b8 111 celldelay();
rmsteele 2:047d1e5230b8 112 }
rmsteele 2:047d1e5230b8 113 //*******************************************************************************
rmsteele 2:047d1e5230b8 114 void writebit5(bool bit) {
rmsteele 2:047d1e5230b8 115 // first cell is always 1
rmsteele 2:047d1e5230b8 116 dat5 = 1;
rmsteele 2:047d1e5230b8 117 // celldelay();
rmsteele 2:047d1e5230b8 118 if (bit) {
rmsteele 2:047d1e5230b8 119 celldelay();
rmsteele 2:047d1e5230b8 120 celldelay();
rmsteele 2:047d1e5230b8 121 } else {
rmsteele 2:047d1e5230b8 122 dat5=0;
rmsteele 2:047d1e5230b8 123 celldelay();
rmsteele 2:047d1e5230b8 124 }
rmsteele 2:047d1e5230b8 125 // last cell is always 0
rmsteele 2:047d1e5230b8 126 dat5=0;
rmsteele 2:047d1e5230b8 127 celldelay();
rmsteele 2:047d1e5230b8 128 }
rmsteele 2:047d1e5230b8 129 //*******************************************************************************
ohararp 0:f19c80146d55 130 void write(uint8_t byte) {
ohararp 0:f19c80146d55 131 __disable_irq();
ohararp 0:f19c80146d55 132 for (int i=0; i<8; i++) {
ohararp 0:f19c80146d55 133 if (byte & 0x80)
ohararp 0:f19c80146d55 134 writebit(1);
ohararp 0:f19c80146d55 135 else
ohararp 0:f19c80146d55 136 writebit(0);
ohararp 0:f19c80146d55 137 byte <<= 1;
ohararp 0:f19c80146d55 138 }
rmsteele 2:047d1e5230b8 139
rmsteele 2:047d1e5230b8 140 __enable_irq();
rmsteele 2:047d1e5230b8 141 }
rmsteele 2:047d1e5230b8 142
rmsteele 2:047d1e5230b8 143 void write1(uint8_t byte) {
rmsteele 2:047d1e5230b8 144 __disable_irq();
rmsteele 2:047d1e5230b8 145 for (int i=0; i<8; i++) {
rmsteele 2:047d1e5230b8 146 if (byte & 0x80)
rmsteele 2:047d1e5230b8 147 writebit1(1);
rmsteele 2:047d1e5230b8 148 else
rmsteele 2:047d1e5230b8 149 writebit1(0);
rmsteele 2:047d1e5230b8 150 byte <<= 1;
rmsteele 2:047d1e5230b8 151 }
rmsteele 2:047d1e5230b8 152
rmsteele 2:047d1e5230b8 153 __enable_irq();
rmsteele 2:047d1e5230b8 154 }
rmsteele 2:047d1e5230b8 155
rmsteele 2:047d1e5230b8 156 void write2(uint8_t byte) {
rmsteele 2:047d1e5230b8 157 __disable_irq();
rmsteele 2:047d1e5230b8 158 for (int i=0; i<8; i++) {
rmsteele 2:047d1e5230b8 159 if (byte & 0x80)
rmsteele 2:047d1e5230b8 160 writebit2(1);
rmsteele 2:047d1e5230b8 161 else
rmsteele 2:047d1e5230b8 162 writebit2(0);
rmsteele 2:047d1e5230b8 163 byte <<= 1;
rmsteele 2:047d1e5230b8 164 }
rmsteele 2:047d1e5230b8 165
rmsteele 2:047d1e5230b8 166 __enable_irq();
rmsteele 2:047d1e5230b8 167 }
rmsteele 2:047d1e5230b8 168
rmsteele 2:047d1e5230b8 169 void write3(uint8_t byte) {
rmsteele 2:047d1e5230b8 170 __disable_irq();
rmsteele 2:047d1e5230b8 171 for (int i=0; i<8; i++) {
rmsteele 2:047d1e5230b8 172 if (byte & 0x80)
rmsteele 2:047d1e5230b8 173 writebit3(1);
rmsteele 2:047d1e5230b8 174 else
rmsteele 2:047d1e5230b8 175 writebit3(0);
rmsteele 2:047d1e5230b8 176 byte <<= 1;
rmsteele 2:047d1e5230b8 177 }
rmsteele 2:047d1e5230b8 178
rmsteele 2:047d1e5230b8 179 __enable_irq();
rmsteele 2:047d1e5230b8 180 }
rmsteele 2:047d1e5230b8 181
rmsteele 2:047d1e5230b8 182 void write4(uint8_t byte) {
rmsteele 2:047d1e5230b8 183 __disable_irq();
rmsteele 2:047d1e5230b8 184 for (int i=0; i<8; i++) {
rmsteele 2:047d1e5230b8 185 if (byte & 0x80)
rmsteele 2:047d1e5230b8 186 writebit4(1);
rmsteele 2:047d1e5230b8 187 else
rmsteele 2:047d1e5230b8 188 writebit4(0);
rmsteele 2:047d1e5230b8 189 byte <<= 1;
rmsteele 2:047d1e5230b8 190 }
rmsteele 2:047d1e5230b8 191
rmsteele 2:047d1e5230b8 192 __enable_irq();
rmsteele 2:047d1e5230b8 193 }
rmsteele 2:047d1e5230b8 194
rmsteele 2:047d1e5230b8 195 void write5(uint8_t byte) {
rmsteele 2:047d1e5230b8 196 __disable_irq();
rmsteele 2:047d1e5230b8 197 for (int i=0; i<8; i++) {
rmsteele 2:047d1e5230b8 198 if (byte & 0x80)
rmsteele 2:047d1e5230b8 199 writebit5(1);
rmsteele 2:047d1e5230b8 200 else
rmsteele 2:047d1e5230b8 201 writebit5(0);
rmsteele 2:047d1e5230b8 202 byte <<= 1;
rmsteele 2:047d1e5230b8 203 }
rmsteele 2:047d1e5230b8 204
ohararp 0:f19c80146d55 205 __enable_irq();
ohararp 0:f19c80146d55 206 }
ohararp 0:f19c80146d55 207
ohararp 0:f19c80146d55 208 uint16_t numPixels(void) {
ohararp 0:f19c80146d55 209 return numLEDs;
ohararp 0:f19c80146d55 210 }
ohararp 0:f19c80146d55 211
ohararp 0:f19c80146d55 212 //*******************************************************************************
ohararp 0:f19c80146d55 213 void show(void) {
ohararp 0:f19c80146d55 214 uint16_t i, nl3 = numLEDs * 3; // 3 bytes per LED
rmsteele 2:047d1e5230b8 215 while (guardtime.read_us() < 50) // was 50
ohararp 0:f19c80146d55 216 /* spin */;
ohararp 0:f19c80146d55 217 for (i=0; i<nl3; i++ ) {
ohararp 0:f19c80146d55 218 write(pixels[i]);
rmsteele 2:047d1e5230b8 219 // write1(pixels[i]);
rmsteele 2:047d1e5230b8 220 }
rmsteele 2:047d1e5230b8 221 guardtime.reset();
rmsteele 2:047d1e5230b8 222
rmsteele 2:047d1e5230b8 223 while (guardtime.read_us() < 50) // was 50
rmsteele 2:047d1e5230b8 224 /* spin */;
rmsteele 2:047d1e5230b8 225 for (i=0; i<nl3; i++ ) {
rmsteele 2:047d1e5230b8 226 write1(pixels[i]);
rmsteele 2:047d1e5230b8 227 }
rmsteele 2:047d1e5230b8 228 guardtime.reset();
rmsteele 2:047d1e5230b8 229
rmsteele 2:047d1e5230b8 230 while (guardtime.read_us() < 50) // was 50
rmsteele 2:047d1e5230b8 231 /* spin */;
rmsteele 2:047d1e5230b8 232 for (i=0; i<nl3; i++ ) {
rmsteele 2:047d1e5230b8 233 write2(pixels[i]);
ohararp 0:f19c80146d55 234 }
ohararp 0:f19c80146d55 235 guardtime.reset();
rmsteele 2:047d1e5230b8 236
rmsteele 2:047d1e5230b8 237 while (guardtime.read_us() < 50) // was 50
rmsteele 2:047d1e5230b8 238 /* spin */;
rmsteele 2:047d1e5230b8 239 for (i=0; i<nl3; i++ ) {
rmsteele 2:047d1e5230b8 240 write3(pixels[i]);
rmsteele 2:047d1e5230b8 241 }
rmsteele 2:047d1e5230b8 242 guardtime.reset();
rmsteele 2:047d1e5230b8 243
rmsteele 2:047d1e5230b8 244 while (guardtime.read_us() < 50) // was 50
rmsteele 2:047d1e5230b8 245 /* spin */;
rmsteele 2:047d1e5230b8 246 for (i=0; i<nl3; i++ ) {
rmsteele 2:047d1e5230b8 247 write4(pixels[i]);
rmsteele 2:047d1e5230b8 248 }
rmsteele 2:047d1e5230b8 249 guardtime.reset();
rmsteele 2:047d1e5230b8 250
rmsteele 2:047d1e5230b8 251 while (guardtime.read_us() < 50) // was 50
rmsteele 2:047d1e5230b8 252 /* spin */;
rmsteele 2:047d1e5230b8 253 for (i=0; i<nl3; i++ ) {
rmsteele 2:047d1e5230b8 254 write5(pixels[i]);
rmsteele 2:047d1e5230b8 255 }
rmsteele 2:047d1e5230b8 256 guardtime.reset();
rmsteele 2:047d1e5230b8 257
ohararp 0:f19c80146d55 258 }
ohararp 0:f19c80146d55 259 //*******************************************************************************
ohararp 0:f19c80146d55 260 void blank(void) {
ohararp 0:f19c80146d55 261 memset(pixels, 0x00, numLEDs * 3);
ohararp 0:f19c80146d55 262 show();
ohararp 0:f19c80146d55 263 }
ohararp 0:f19c80146d55 264 //*******************************************************************************
ohararp 0:f19c80146d55 265 void blankDelay(int n) {
ohararp 0:f19c80146d55 266 memset(pixels, 0x00, numLEDs * 3);
ohararp 0:f19c80146d55 267 show();
ohararp 0:f19c80146d55 268 wait_ms(n);
ohararp 0:f19c80146d55 269 }
ohararp 0:f19c80146d55 270 //*******************************************************************************
ohararp 0:f19c80146d55 271 uint32_t total_luminance(void) {
ohararp 0:f19c80146d55 272 uint32_t running_total;
ohararp 0:f19c80146d55 273 running_total = 0;
ohararp 0:f19c80146d55 274 for (int i=0; i<numLEDs*3; i++)
ohararp 0:f19c80146d55 275 running_total += pixels[i];
ohararp 0:f19c80146d55 276 return running_total;
ohararp 0:f19c80146d55 277 }
ohararp 0:f19c80146d55 278 //*******************************************************************************
ohararp 0:f19c80146d55 279 // Convert R,G,B to combined 32-bit color
ohararp 0:f19c80146d55 280 uint32_t Color(uint8_t r, uint8_t g, uint8_t b) {
ohararp 0:f19c80146d55 281 // Take the lowest 7 bits of each value and append them end to end
ohararp 0:f19c80146d55 282 // We have the top bit set high (its a 'parity-like' bit in the protocol
ohararp 0:f19c80146d55 283 // and must be set!)
ohararp 0:f19c80146d55 284 return ((uint32_t)g << 16) | ((uint32_t)r << 8) | (uint32_t)b;
ohararp 0:f19c80146d55 285 }
ohararp 0:f19c80146d55 286 //*******************************************************************************
ohararp 0:f19c80146d55 287 // store the rgb component in our array
ohararp 0:f19c80146d55 288 void setPixelColor(uint16_t n, uint8_t r, uint8_t g, uint8_t b) {
ohararp 0:f19c80146d55 289 if (n >= numLEDs) return; // '>=' because arrays are 0-indexed
ohararp 0:f19c80146d55 290 pixels[n*3 ] = g;
ohararp 0:f19c80146d55 291 pixels[n*3+1] = r;
ohararp 0:f19c80146d55 292 pixels[n*3+2] = b;
ohararp 0:f19c80146d55 293 //pc.printf("setPixelColor-4 inputs\n");
ohararp 0:f19c80146d55 294 }
ohararp 0:f19c80146d55 295 //*******************************************************************************
ohararp 0:f19c80146d55 296 void setPixelR(uint16_t n, uint8_t r) {
ohararp 0:f19c80146d55 297 if (n >= numLEDs) return; // '>=' because arrays are 0-indexed
ohararp 0:f19c80146d55 298 pixels[n*3+1] = r;
ohararp 0:f19c80146d55 299 }
ohararp 0:f19c80146d55 300 //*******************************************************************************
ohararp 0:f19c80146d55 301 void setPixelG(uint16_t n, uint8_t g) {
ohararp 0:f19c80146d55 302 if (n >= numLEDs) return; // '>=' because arrays are 0-indexed
ohararp 0:f19c80146d55 303 pixels[n*3] = g;
ohararp 0:f19c80146d55 304 }
ohararp 0:f19c80146d55 305 //*******************************************************************************
ohararp 0:f19c80146d55 306 void setPixelB(uint16_t n, uint8_t b) {
ohararp 0:f19c80146d55 307 if (n >= numLEDs) return; // '>=' because arrays are 0-indexed
ohararp 0:f19c80146d55 308 pixels[n*3+2] = b;
ohararp 0:f19c80146d55 309 }
ohararp 0:f19c80146d55 310 //*******************************************************************************
ohararp 0:f19c80146d55 311 void setPixelColor(uint16_t n, uint32_t c) {
ohararp 0:f19c80146d55 312 if (n >= numLEDs) return; // '>=' because arrays are 0-indexed
ohararp 0:f19c80146d55 313 pixels[n*3 ] = (c >> 16);
ohararp 0:f19c80146d55 314 pixels[n*3+1] = (c >> 8);
ohararp 0:f19c80146d55 315 pixels[n*3+2] = c;
ohararp 0:f19c80146d55 316 //pc.printf("setPixelColor-2 inputs\n");
ohararp 0:f19c80146d55 317 }
ohararp 0:f19c80146d55 318 //*******************************************************************************
ohararp 0:f19c80146d55 319 // Fill the dots one after the other with a color
ohararp 0:f19c80146d55 320 void colorWipe(uint32_t c, uint8_t wait) {
ohararp 0:f19c80146d55 321 for(uint16_t i=0; i<numPixels(); i++) {
ohararp 0:f19c80146d55 322 setPixelColor(i, c);
ohararp 0:f19c80146d55 323 show();
ohararp 0:f19c80146d55 324 wait_ms(wait);
ohararp 0:f19c80146d55 325 }
ohararp 0:f19c80146d55 326 }
ohararp 0:f19c80146d55 327 //*******************************************************************************
rmsteele 2:047d1e5230b8 328 // Fill the dots one after the other with a color
rmsteele 2:047d1e5230b8 329 void colorAll(uint32_t c, uint8_t rwait) {
rmsteele 2:047d1e5230b8 330 for(uint16_t i=0; i<numPixels(); i++) {
rmsteele 2:047d1e5230b8 331 setPixelColor(i, c);
rmsteele 2:047d1e5230b8 332 }
rmsteele 2:047d1e5230b8 333 show();
rmsteele 2:047d1e5230b8 334 wait_ms(rwait);
rmsteele 2:047d1e5230b8 335 }
rmsteele 2:047d1e5230b8 336 //*******************************************************************************
ohararp 0:f19c80146d55 337 // Input a value 0 to 255 to get a color value.
ohararp 0:f19c80146d55 338 // The colours are a transition r - g - b - back to r.
ohararp 0:f19c80146d55 339 uint32_t Wheel(int WheelPos) {
ohararp 0:f19c80146d55 340 if(WheelPos < 85) {
ohararp 0:f19c80146d55 341 return Color(WheelPos * 3, 255 - WheelPos * 3, 0);
ohararp 0:f19c80146d55 342 } else if(WheelPos < 170) {
ohararp 0:f19c80146d55 343 WheelPos -= 85;
ohararp 0:f19c80146d55 344 return Color(255 - WheelPos * 3, 0, WheelPos * 3);
ohararp 0:f19c80146d55 345 } else {
ohararp 0:f19c80146d55 346 WheelPos -= 170;
ohararp 0:f19c80146d55 347 return Color(0, WheelPos * 3, 255 - WheelPos * 3);
ohararp 0:f19c80146d55 348 }
ohararp 0:f19c80146d55 349 }
ohararp 0:f19c80146d55 350 //*******************************************************************************
ohararp 0:f19c80146d55 351 void rainbow(uint8_t rwait) {
ohararp 0:f19c80146d55 352 uint16_t i, j;
ohararp 0:f19c80146d55 353
ohararp 0:f19c80146d55 354 for(j=0; j<256; j++) {
ohararp 0:f19c80146d55 355 for(i=0; i<numPixels(); i++) {
ohararp 0:f19c80146d55 356 setPixelColor(i, Wheel((i+j) & 255));
ohararp 0:f19c80146d55 357 }
ohararp 0:f19c80146d55 358 show();
ohararp 0:f19c80146d55 359 wait_ms(rwait);
ohararp 0:f19c80146d55 360 }
ohararp 0:f19c80146d55 361 }
ohararp 0:f19c80146d55 362 //*******************************************************************************
ohararp 0:f19c80146d55 363 // Slightly different, this makes the rainbow equally distributed throughout
ohararp 0:f19c80146d55 364 void rainbowCycle(uint8_t rwait) {
ohararp 0:f19c80146d55 365 uint16_t i, j;
ohararp 0:f19c80146d55 366
ohararp 0:f19c80146d55 367 for(j=0; j<256*5; j++) { // 5 cycles of all colors on wheel
ohararp 0:f19c80146d55 368 for(i=0; i< numPixels(); i++) {
ohararp 0:f19c80146d55 369 setPixelColor(i, Wheel(((i * 256 / numPixels()) + j) & 255));
ohararp 0:f19c80146d55 370 }
ohararp 0:f19c80146d55 371 show();
ohararp 0:f19c80146d55 372 wait_ms(rwait);
ohararp 0:f19c80146d55 373 }
ohararp 0:f19c80146d55 374 }
ohararp 0:f19c80146d55 375 //*******************************************************************************
ohararp 0:f19c80146d55 376 int main() {
ohararp 0:f19c80146d55 377 pc.baud(38400);
ohararp 0:f19c80146d55 378 setup();
ohararp 0:f19c80146d55 379 while (1) {
ohararp 0:f19c80146d55 380 pc.printf("Top of the Loop\n");
rmsteele 2:047d1e5230b8 381 colorWipe(Color(255, 0, 0), 40); // Red
rmsteele 2:047d1e5230b8 382 blankDelay(250);
rmsteele 2:047d1e5230b8 383 colorWipe(Color(0, 255, 0), 40); // Grn
ohararp 0:f19c80146d55 384 blankDelay(250);
rmsteele 2:047d1e5230b8 385 colorWipe(Color(0, 0, 255), 40); // Blu
rmsteele 2:047d1e5230b8 386 blankDelay(250);
rmsteele 2:047d1e5230b8 387 colorAll(Color(255, 0, 0), 250);
ohararp 0:f19c80146d55 388 blankDelay(250);
rmsteele 2:047d1e5230b8 389 colorAll(Color(0, 255, 0), 250);
rmsteele 2:047d1e5230b8 390 blankDelay(250);
rmsteele 2:047d1e5230b8 391 colorAll(Color(0, 0, 255), 250);
ohararp 0:f19c80146d55 392 blankDelay(250);
rmsteele 2:047d1e5230b8 393 rainbow(20);
rmsteele 2:047d1e5230b8 394 blankDelay(250);
rmsteele 2:047d1e5230b8 395 rainbowCycle(5);
rmsteele 2:047d1e5230b8 396 blankDelay(250);
ohararp 0:f19c80146d55 397
ohararp 0:f19c80146d55 398 }
ohararp 0:f19c80146d55 399 }
ohararp 0:f19c80146d55 400
ohararp 0:f19c80146d55 401 //write(128);
ohararp 0:f19c80146d55 402 //wait_us(10);
ohararp 0:f19c80146d55 403 //write(0);
ohararp 0:f19c80146d55 404 //wait_us(10);