When you press a button, it lights up the neopixel until the same button is pressed again
Dependencies: mbed WS2812 WS2812_Example PixelArray
Revision 3:25ad14f76641, committed 2019-08-02
- Comitter:
- czatlokowicz
- Date:
- Fri Aug 02 18:13:53 2019 +0000
- Parent:
- 2:cb82a3dc4031
- Commit message:
- Button Neopixel Debounce
Changed in this revision
diff -r cb82a3dc4031 -r 25ad14f76641 DebounceIn.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DebounceIn.lib Fri Aug 02 18:13:53 2019 +0000 @@ -0,0 +1,1 @@ +https://github.com/pilotak/DebounceIn/#a0d94322fdbcc039d2724c7c6cbc4334b10cace0
diff -r cb82a3dc4031 -r 25ad14f76641 WS2812_Example_WORKS.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WS2812_Example_WORKS.lib Fri Aug 02 18:13:53 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/bridadan/code/WS2812_Example/#cb82a3dc4031
diff -r cb82a3dc4031 -r 25ad14f76641 main.cpp --- a/main.cpp Thu Feb 12 21:55:24 2015 +0000 +++ b/main.cpp Fri Aug 02 18:13:53 2019 +0000 @@ -1,47 +1,101 @@ #include "mbed.h" #include "WS2812.h" #include "PixelArray.h" +#include "DebounceIn.h" -#define WS2812_BUF 150 -#define NUM_COLORS 6 -#define NUM_LEDS_PER_COLOR 10 +#define WS2812_BUF 8 //number of LEDS in the array +#define NUM_COLORS 5 //number of colors in the array + +//debouces buttons and attaches Pull Up resistors to each input +DebounceIn button1(PB_4, PullUp); +DebounceIn button2(PA_9, PullUp); +DebounceIn button3(PB_6, PullUp); +DebounceIn button4(PB_8, PullUp); +PixelArray px(WS2812_BUF); //sets number of LEDs +// See the program page for information on the timing numbers +// Timing numbers for the NUCLEO-F411RE: 7, 15, 10, 15 +// Timing numbers for the NUCLEO-L476RG: 3, 12, 9, 12 +WS2812 ws(PB_3, WS2812_BUF, 3, 12, 9, 12); +int state1 = 0; +int state2 = 0; +int state3 = 0; +int state4 = 0; +int state = 0; -PixelArray px(WS2812_BUF); - -// See the program page for information on the timing numbers -// The given numbers are for the K64F -WS2812 ws(D9, WS2812_BUF, 0, 5, 5, 0); - +void button1fall() { //button1 is pushed + if(state2 == 0 & state3 == 0 & state4 == 0) { //if no other buttons are on + state1 = !state1; //change the state of button1 + } +} +void button2fall() { //button2 is pushed + if(state1 == 0 & state3 == 0 & state4 == 0) { //if no other buttons are on + state2 = !state2; //change the state of button2 + } +} +void button3fall() { //button3 is pushed + if(state2 == 0 & state1 == 0 & state4 == 0) { //if no other buttons are on + state3 = !state3; //change the state of button3 + } +} +void button4fall() { //button4 is pushed + if(state2 == 0 & state3 == 0 & state1 == 0) { //if no other buttons are on + state4 = !state4; //change the state of button4 + } +} int main() { - + button1.fall(callback(button1fall), 80000); + button2.fall(callback(button2fall), 80000); + button3.fall(callback(button3fall), 80000); + button4.fall(callback(button4fall), 80000); + ws.useII(WS2812::PER_PIXEL); // use per-pixel intensity scaling // set up the colours we want to draw with - int colorbuf[NUM_COLORS] = {0x2f0000,0x2f2f00,0x002f00,0x002f2f,0x00002f,0x2f002f}; - - // for each of the colours (j) write out 10 of them - // the pixels are written at the colour*10, plus the colour position - // all modulus 60 so it wraps around - for (int i = 0; i < WS2812_BUF; i++) { - px.Set(i, colorbuf[(i / NUM_LEDS_PER_COLOR) % NUM_COLORS]); - } - - // now all the colours are computed, add a fade effect using intensity scaling - // compute and write the II value for each pixel - for (int j=0; j<WS2812_BUF; j++) { - // px.SetI(pixel position, II value) - px.SetI(j%WS2812_BUF, 0xf+(0xf*(j%NUM_LEDS_PER_COLOR))); - } - - - // Now the buffer is written, rotate it - // by writing it out with an increasing offset - while (1) { - for (int z=WS2812_BUF; z >= 0 ; z--) { - ws.write_offsets(px.getBuf(),z,z,z); - wait(0.075); + int colorbuf[NUM_COLORS] = {0x000000,0x00FFFF,0xFFFF00,0xFFFFFF,0xFF0000}; + + while (1) + { + // According to which button is pushed, a color will display until the same button is pushed again + if(button1 == 0 & state2 == 0 & state3 == 0 & state4 == 0) { + if(state1 == 1) { + state = 1; + } + else { + state = 0; + } + } + else if(button2 == 0 & state1 == 0 & state3 == 0 & state4 == 0) { + if(state2 == 1) { + state = 2; + } + else { + state = 0; + } + } + else if(button3 == 0 & state1 == 0 & state2 == 0 & state4 == 0) { + if(state3 == 1) { + state = 3; + } + else { + state = 0; + } + } + else if(button4 == 0 & state1 == 0 & state2 == 0 & state3 == 0) { + if(state4 == 1) { + state = 4; + } + else { + state = 0; + } + } + //write the color value for each pixel + px.SetAll(colorbuf[state]); + //write the birghtness intensity value for each pixel + px.SetAllI(20); + //writes the colors to the neopixels + for (int i = WS2812_BUF; i >= 0; i--) { + ws.write(px.getBuf()); } } - -} +} \ No newline at end of file
diff -r cb82a3dc4031 -r 25ad14f76641 mbed.bld --- a/mbed.bld Thu Feb 12 21:55:24 2015 +0000 +++ b/mbed.bld Fri Aug 02 18:13:53 2019 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/e188a91d3eaa \ No newline at end of file +https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc \ No newline at end of file