Diff: main.cpp

Revision:

3:25ad14f76641

Parent:

2: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