Diff: easyNeo.cpp

Revision:

0:cfbe334f4b1c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/easyNeo.cpp	Sun Feb 15 21:12:13 2015 +0000
@@ -0,0 +1,113 @@
+#include "mbed.h"
+#include "neopixel.h"
+#include "easyNeo.h"
+#define DATA_PIN p5
+
+easyNeo::easyNeo(int leds)
+{
+    numLeds = leds;
+    
+}
+uint8_t easyNeo::c2i(char c)
+{
+    if( c >= '0' && c <= '9' ) return c-'0';
+    if( c >= 'A' && c <= 'F' ) return c-'A'+10;
+    if( c >= 'a' && c <= 'f' ) return c-'a'+10;
+    return 0;
+}
+
+void easyNeo::setPixel(neopixel::Pixel * buffer, uint32_t index, uint8_t red, uint8_t green, uint8_t blue, uint32_t length)
+{
+    if (index >= length ) {
+        return;
+    }
+    buffer[index].red = red;
+    buffer[index].green = green;
+    buffer[index].blue = blue;
+}
+
+    
+void easyNeo::setByHex(char* hexString){
+    
+    DigitalIn(DATA_PIN, PullDown);
+
+    // The pixel array control class.
+    neopixel::PixelArray array(DATA_PIN);
+
+    // 8 is the number of pixels
+    neopixel::Pixel buffer[numLeds];
+    Serial pc(USBTX, USBRX); //Initalise PC serial comms
+    int i,j,k,l;
+        for(i=0, l = 0; i < (6*numLeds); i+=6,l ++){
+            //pc.printf("val of i %d\n",i);
+            int vals[3] = {0,0,0};
+            for(k=i,j=0; k < i+6; k+=2,j++){
+                //pc.printf("Index: %d  %d\n",k,k+1);
+                //pc.printf("Characters: %c  %c\n",hexString[k],hexString[k+1]);
+                //pc.printf("Value: %d\n",(c2i(hexString[k])*16+c2i(hexString[k+1])));
+                vals[j] = (c2i(hexString[k])*16 + c2i(hexString[k+1]));
+                }
+            pc.printf("%d %d %d \n",vals[0],vals[1],vals[2]);
+            easyNeo::setPixel(buffer, l, vals[0], vals[1], vals[2], numLeds);
+            }
+    
+    array.update(buffer, numLeds);
+    
+    }
+    
+    
+void easyNeo::clear(){
+
+    for (int i = 0; i< numLeds; i = i++) {
+        easyNeo::setByHex("000000");
+        }
+    }
+    
+void easyNeo::update(neopixel::Pixel * buffer){
+
+    DigitalIn(DATA_PIN, PullDown);
+
+    // The pixel array control class.
+    neopixel::PixelArray array(DATA_PIN);
+    
+    array.update(buffer, numLeds);
+}
+    
+void easyNeo::lightTest()
+{
+    DigitalIn(DATA_PIN, PullDown);
+
+    // The pixel array control class.
+    neopixel::PixelArray array(DATA_PIN);
+
+    // 8 is the number of pixels
+    neopixel::Pixel buffer[numLeds];
+    
+    // step through three colors with the same brigtness
+    uint32_t i;
+    
+        //Test Red
+        for (i = 0x00; i<= 0xC8; i = i + 0x0A) {
+            for(int k = 0; k < numLeds; k++){
+                easyNeo::setPixel(buffer, k, i, 0x00, 0x00, numLeds);
+                array.update(buffer, numLeds);
+                wait_ms(100);
+                }
+            }
+        //Test Blue
+        for (i = 0x00; i<= 0xC8; i = i + 0x0A) {
+            for(int k = 0; k < numLeds; k++){
+                easyNeo::setPixel(buffer, k,0x00, i, 0x00, numLeds);
+                array.update(buffer, numLeds);
+                wait_ms(100);
+                }
+            }
+        //Test Green
+        for (i = 0x00; i<= 0xC8; i = i + 0x0A) {
+            for(int k = 0; k < numLeds; k++){
+                easyNeo::setPixel(buffer, k,0x00, 0x00, i, numLeds);
+                array.update(buffer, numLeds);
+                wait_ms(100);
+                }
+            }
+}