Maximilian Erlbeck / Mbed 2 deprecated WS2812-Example

WS2812 example

Dependencies:   WS2812_LED mbed

main.cpp@0:52571581ff7e, 2015-11-18 (annotated)

Committer:
fastestoffer
Date:
Wed Nov 18 18:11:40 2015 +0000
Revision:
0:52571581ff7e
Initial commit of example;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
fastestoffer 0:52571581ff7e 1 #include "mbed.h"
fastestoffer 0:52571581ff7e 2 #include "WS2812.h"
fastestoffer 0:52571581ff7e 3
fastestoffer 0:52571581ff7e 4 LowPowerTicker toggleTicker;
fastestoffer 0:52571581ff7e 5
fastestoffer 0:52571581ff7e 6 Color color_red = {255, 0, 0};
fastestoffer 0:52571581ff7e 7 Color color_green = {0, 255, 0};
fastestoffer 0:52571581ff7e 8 Color color_blue = {0, 0, 255};
fastestoffer 0:52571581ff7e 9 Color color_black = {0,0,0};
fastestoffer 0:52571581ff7e 10
fastestoffer 0:52571581ff7e 11 bool update_led_flag;
fastestoffer 0:52571581ff7e 12 bool ledstrip_busy;
fastestoffer 0:52571581ff7e 13 int state = 0;
fastestoffer 0:52571581ff7e 14
fastestoffer 0:52571581ff7e 15 void update(void) {
fastestoffer 0:52571581ff7e 16 update_led_flag = true;
fastestoffer 0:52571581ff7e 17 }
fastestoffer 0:52571581ff7e 18
fastestoffer 0:52571581ff7e 19 void send_complete(int event) {
fastestoffer 0:52571581ff7e 20 (void)event;
fastestoffer 0:52571581ff7e 21 ledstrip_busy = false;
fastestoffer 0:52571581ff7e 22 }
fastestoffer 0:52571581ff7e 23
fastestoffer 0:52571581ff7e 24 event_callback_t callback;
fastestoffer 0:52571581ff7e 25
fastestoffer 0:52571581ff7e 26 int main(void) {
fastestoffer 0:52571581ff7e 27
fastestoffer 0:52571581ff7e 28 SPI spi(PE10, NC, PE12);
fastestoffer 0:52571581ff7e 29
fastestoffer 0:52571581ff7e 30 callback.attach(send_complete);
fastestoffer 0:52571581ff7e 31
fastestoffer 0:52571581ff7e 32 WS2812 ledstrip(spi, callback);
fastestoffer 0:52571581ff7e 33
fastestoffer 0:52571581ff7e 34 toggleTicker.attach(&update, 1.0f);
fastestoffer 0:52571581ff7e 35
fastestoffer 0:52571581ff7e 36 while(1) {
fastestoffer 0:52571581ff7e 37 sleep();
fastestoffer 0:52571581ff7e 38 if(update_led_flag)
fastestoffer 0:52571581ff7e 39 {
fastestoffer 0:52571581ff7e 40 update_led_flag=false;
fastestoffer 0:52571581ff7e 41 switch(state){
fastestoffer 0:52571581ff7e 42 case 0:
fastestoffer 0:52571581ff7e 43 ledstrip.set_all(&color_green);
fastestoffer 0:52571581ff7e 44 state++;
fastestoffer 0:52571581ff7e 45 break;
fastestoffer 0:52571581ff7e 46 case 1:
fastestoffer 0:52571581ff7e 47 ledstrip.set_all(&color_blue);
fastestoffer 0:52571581ff7e 48 state++;
fastestoffer 0:52571581ff7e 49 break;
fastestoffer 0:52571581ff7e 50 case 2:
fastestoffer 0:52571581ff7e 51 ledstrip.set_all(&color_red);
fastestoffer 0:52571581ff7e 52 state=0;
fastestoffer 0:52571581ff7e 53 break;
fastestoffer 0:52571581ff7e 54 }
fastestoffer 0:52571581ff7e 55 ledstrip_busy = true;
fastestoffer 0:52571581ff7e 56 ledstrip.update_strip();
fastestoffer 0:52571581ff7e 57 }
fastestoffer 0:52571581ff7e 58 }
fastestoffer 0:52571581ff7e 59 }