Heroic Robotics / Mbed 2 deprecated FastPixelDemo

Example program for Heroic Robotics FastPixel LED strip driver.

Dependencies:   FastPixelLPD8806 MODDMA mbed

main.cpp@0:01e1cefa76da, 2014-05-31 (annotated)

Committer:
heroic
Date:
Sat May 31 18:44:15 2014 +0000
Revision:
0:01e1cefa76da
Example program for Heroic Robotics FastPixel driver library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
heroic 0:01e1cefa76da 1 #include "mbed.h"
heroic 0:01e1cefa76da 2 #include "MODDMA.h"
heroic 0:01e1cefa76da 3
heroic 0:01e1cefa76da 4 #include "FastPixelLPD8806.h"
heroic 0:01e1cefa76da 5
heroic 0:01e1cefa76da 6
heroic 0:01e1cefa76da 7 MODDMA dma;
heroic 0:01e1cefa76da 8 int current_strip_fill;
heroic 0:01e1cefa76da 9
heroic 0:01e1cefa76da 10 LedStrip *strips[2];
heroic 0:01e1cefa76da 11
heroic 0:01e1cefa76da 12 DigitalOut myled(LED1);
heroic 0:01e1cefa76da 13
heroic 0:01e1cefa76da 14 int main() {
heroic 0:01e1cefa76da 15
heroic 0:01e1cefa76da 16 // First, create the strip objects.
heroic 0:01e1cefa76da 17 // The global current_strip_fill variable is an unfortunate workaround for the
heroic 0:01e1cefa76da 18 // fact that we virtualize these strips but the DMA engine needs to know which
heroic 0:01e1cefa76da 19 // one just got filled.
heroic 0:01e1cefa76da 20
heroic 0:01e1cefa76da 21 current_strip_fill = 0;
heroic 0:01e1cefa76da 22 strips[0] = new FastPixelLPD8806(p5, p7, 240);
heroic 0:01e1cefa76da 23 current_strip_fill = 1;
heroic 0:01e1cefa76da 24 strips[1] = new FastPixelLPD8806(p11, p13, 240);
heroic 0:01e1cefa76da 25
heroic 0:01e1cefa76da 26 int j=0;
heroic 0:01e1cefa76da 27
heroic 0:01e1cefa76da 28 while (1) {
heroic 0:01e1cefa76da 29 // then write something into the strips:
heroic 0:01e1cefa76da 30 for (int i=0; i<240; i++) {
heroic 0:01e1cefa76da 31 strips[0]->setPixelColor(i, (j++) % 256, (j++) % 256, (j++) % 256);
heroic 0:01e1cefa76da 32 strips[1]->setPixelColor(i, (j++) % 256, (j++) % 256, (j++) % 256);
heroic 0:01e1cefa76da 33 }
heroic 0:01e1cefa76da 34 // then show the strips:
heroic 0:01e1cefa76da 35 current_strip_fill = 0;
heroic 0:01e1cefa76da 36 strips[0]->show();
heroic 0:01e1cefa76da 37
heroic 0:01e1cefa76da 38 current_strip_fill = 1;
heroic 0:01e1cefa76da 39 strips[1]->show();
heroic 0:01e1cefa76da 40 }
heroic 0:01e1cefa76da 41 }