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Simple 8x8 LED Matrix controller which interfaces with a Processing GUI over serial to display sketches
Dependencies: Multi_WS2811 mbed
Fork of Multi_WS2811_test by
Diff: main.cpp
- Revision:
- 32:7b60b9add4b5
- Parent:
- 30:52e9205a8059
- Child:
- 33:7973b70d4fab
diff -r c9eee3a33826 -r 7b60b9add4b5 main.cpp --- a/main.cpp Sat Jan 04 00:45:20 2014 +0000 +++ b/main.cpp Fri Nov 14 08:18:35 2014 +0000 @@ -60,18 +60,18 @@ strip.show(); } -static void showSolidColor(WS2811 &strip, uint8_t r, uint8_t g, uint8_t b) +static void clearScreen(WS2811 &strip) { unsigned nLEDs = strip.numPixels(); for (unsigned i = 0; i < nLEDs; i++) { - strip.setPixelColor(i, r, g, b); + strip.setPixelColor(i, 0, 0, 0); } strip.show(); } int main(void) { - pc.baud(115200); + pc.baud(9600); WS2811 lightStrip1(nLEDs, DATA_OUT_PIN1); WS2811 lightStrip2(nLEDs, DATA_OUT_PIN2); @@ -84,44 +84,33 @@ timeRunning.start(); - uint8_t r =0; - uint8_t g =0; - uint8_t b =0; + + uint8_t q = 0; + char char_buff[6]; for (;;) { - if (r < 40) - r++; - else if (g < 40) - g++; - else if (b < 40) - b++; - else { - unsigned running = timeRunning.read_us(); - pc.printf("%u frames in %u usec = %u frames / sec\r\n", frames, running, frames * 1000000 / running); - break; + if(pc.readable()){ + if(pc.getc()==255){ + while(q < 6){ + while(!pc.readable()); + char_buff[q] = pc.getc(); + pc.putc(char_buff[q]); + if(char_buff[q] == 254) + break; + q++; + } + + if(q >= 4){ + lightStrip1.setPixelColor(int(char_buff[0])+8*char_buff[1], int(char_buff[2]), int(char_buff[3]), int(char_buff[4])); + lightStrip1.show(); + } + else{ + clearScreen(lightStrip1); + } + q = 0; + WS2811::startDMA(); + } } - showSolidColor(lightStrip1, r, g, b); - showSolidColor(lightStrip2, r, g, b); - WS2811::startDMA(); - - frames++; - } - - timeRunning.reset(); - frames = 0; - - float xyz[3]; - acc.getAccAllAxis(xyz); - pc.printf("x: %f y: %f z: %f\r\n", xyz[0], xyz[1], xyz[2]); - - for (;;) { - acc.getAccAllAxis(xyz); - rled = 1.0 - abs(xyz[0]); - gled = 1.0 - abs(xyz[1]); - readTouchSensor(); - showRainbow(lightStrip1, sat, brite, abs(xyz[0])); - showRainbow(lightStrip2, sat, brite, abs(xyz[1])); - WS2811::startDMA(); frames ++; }