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
--- /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
--- /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
--- 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
--- 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