Debug changes but wants to publish back... making a fork...
Dependencies: PixelArray WS2812 mbed
Fork of ChrisRGB-Ring by
main.cpp@2:57db905622ca, 2014-08-18 (annotated)
- Committer:
- chris
- Date:
- Mon Aug 18 13:55:20 2014 +0000
- Revision:
- 2:57db905622ca
- Parent:
- 1:bf4d674d3692
- Child:
- 3:c2227dba959d
Code tidy
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
chris | 0:6b847e039b3b | 1 | #include "mbed.h" |
chris | 0:6b847e039b3b | 2 | #include "WS2812.h" |
chris | 0:6b847e039b3b | 3 | #include "PixelArray.h" |
chris | 0:6b847e039b3b | 4 | |
chris | 0:6b847e039b3b | 5 | #define WS2812_BUF 60 |
chris | 0:6b847e039b3b | 6 | |
chris | 0:6b847e039b3b | 7 | WS2812 ws(p5,WS2812_BUF); |
chris | 0:6b847e039b3b | 8 | PixelArray px(WS2812_BUF); |
chris | 0:6b847e039b3b | 9 | |
chris | 1:bf4d674d3692 | 10 | DigitalOut led(LED1); |
chris | 1:bf4d674d3692 | 11 | |
chris | 0:6b847e039b3b | 12 | int main() |
chris | 0:6b847e039b3b | 13 | { |
chris | 0:6b847e039b3b | 14 | |
chris | 0:6b847e039b3b | 15 | ws.useII(2); // use per-pixel intensity scaling |
chris | 0:6b847e039b3b | 16 | |
chris | 0:6b847e039b3b | 17 | // set up the colours we want to draw with |
chris | 0:6b847e039b3b | 18 | int colorbuf[6] = {0x2f0000,0x2f2f00,0x002f00,0x002f2f,0x00002f,0x2f002f}; |
chris | 0:6b847e039b3b | 19 | |
chris | 1:bf4d674d3692 | 20 | // for each of the colours (j) write out 10 of them |
chris | 2:57db905622ca | 21 | // the pixels are written at the colour*10, plus the colour position |
chris | 1:bf4d674d3692 | 22 | // all modulus 60 so it wraps around |
chris | 1:bf4d674d3692 | 23 | for (int i =0; i<6; i++) { |
chris | 1:bf4d674d3692 | 24 | for (int j=0; j<10; j++) { |
chris | 2:57db905622ca | 25 | px.Set(((i*10)+j)%60,colorbuf[i]); |
chris | 0:6b847e039b3b | 26 | } |
chris | 0:6b847e039b3b | 27 | } |
chris | 1:bf4d674d3692 | 28 | |
chris | 2:57db905622ca | 29 | // now all the colours are computed, add a fade effect using intensity scaling |
chris | 1:bf4d674d3692 | 30 | // compute and write the II value for each pixel |
chris | 1:bf4d674d3692 | 31 | for (int j=0; j<60; j++) { |
chris | 1:bf4d674d3692 | 32 | // px.SetI(pixel position, II value) |
chris | 2:57db905622ca | 33 | px.SetI(j%60, 0xf+(0xf*(j%10))); |
chris | 1:bf4d674d3692 | 34 | } |
chris | 1:bf4d674d3692 | 35 | |
chris | 1:bf4d674d3692 | 36 | |
chris | 2:57db905622ca | 37 | // Now the buffer is written, rotate it |
chris | 2:57db905622ca | 38 | // by writing it out with an increasing offset |
chris | 1:bf4d674d3692 | 39 | while (1) { |
chris | 1:bf4d674d3692 | 40 | for (int z=59; z >= 0 ; z--) { |
chris | 2:57db905622ca | 41 | ws.write_offsets(px.getBuf(),z,z,z); |
chris | 1:bf4d674d3692 | 42 | wait(0.075); |
chris | 1:bf4d674d3692 | 43 | } |
chris | 1:bf4d674d3692 | 44 | } |
chris | 1:bf4d674d3692 | 45 | |
chris | 0:6b847e039b3b | 46 | } |