Diff: patterns.cpp

Revision:

4:c8515fbd2e44

Child:

5:1f6311e0fc14

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/patterns.cpp	Mon Nov 28 15:38:58 2016 +0000
@@ -0,0 +1,105 @@
+#include "mbed.h" // remove line if not using mbed
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include "nrf_delay.h"
+#include "nrf_gpio.h"
+#include "neopixel.h"
+
+// Input a value 0 to 255 to get a color value.
+// The colours are a transition r - g - b - back to r.
+uint32_t Wheel(uint8_t WheelPos, neopixel_strip_t m_strip, uint8_t led_to_enable) {
+  WheelPos = 255 - WheelPos;
+  if(WheelPos < 85) {
+    return neopixel_set_color(&m_strip, led_to_enable, 255 - WheelPos * 3, 0, WheelPos * 3);
+  }
+  if(WheelPos < 170) {
+    WheelPos -= 85;
+    return neopixel_set_color(&m_strip, 0, led_to_enable, WheelPos * 3, 255 - WheelPos * 3);
+  }
+  WheelPos -= 170;
+  return neopixel_set_color(&m_strip, led_to_enable, WheelPos * 3, 255 - WheelPos * 3, 0);
+}
+
+void rainbowCycle(int delay, uint8_t numLEDs, neopixel_strip_t m_strip) {
+  uint16_t i, j;
+  uint32_t ret;
+
+  for(j=0; j<256*5; j++) { // 5 cycles of all colors on wheel
+    for(i=0; i< numLEDs; i++) {
+      //neopixel_set_color(&m_strip, i, red, green, blue);
+      //strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
+      ret = Wheel(i, m_strip, ((i * 256 / numLEDs) + j & 255));
+    }
+    neopixel_show(&m_strip);
+    wait_ms(delay);
+  }
+}
+
+void candyChase(int delay, uint8_t numLEDs, neopixel_strip_t m_strip) {
+  for (int j=0; j<10; j++) {  //do 10 cycles of chasing
+    for (int q=0; q < 3; q++) {
+      for (uint16_t i=0; i < numLEDs; i++) {
+        neopixel_set_color(&m_strip, i, 255,255,255);    //turn every pixel white
+      }
+      for (uint16_t i=0; i < numLEDs; i=i+3) {
+        neopixel_set_color(&m_strip, i, 255,0,0);    //turn every third pixel red
+      }
+      neopixel_show(&m_strip);
+
+      wait_ms(delay);
+
+      for (uint16_t i=0; i < numLEDs; i=i+3) {
+        neopixel_set_color(&m_strip, i, 0,0,0);        //turn every third pixel off
+      }
+    }
+  }
+}
+
+void snowflakes(int delay, uint8_t numLEDs, neopixel_strip_t m_strip) {
+
+    // Setup the pixel array
+    int pixel[numLEDs];
+    for(int p=0; p<numLEDs; p++)
+      pixel[p] = rand()%255; 
+    
+
+    // Run some snowflake cycles
+    for (int j=0; j<20; j++) {
+        // Every five cycles, light a new pixel
+        if((j%5)==0)
+          neopixel_set_color(&m_strip, rand()%numLEDs, 255,255,255);
+        
+        // Dim all pixels by 10
+        for(int p=0; p<numLEDs; p++){
+          neopixel_set_color(&m_strip, p, pixel[p],pixel[p],pixel[p] );
+          pixel[p] =  pixel[p] - 10;
+        }
+        neopixel_show(&m_strip);
+        wait_ms(delay);
+    }
+}
+
+void iceflakes(int delay, uint8_t numLEDs, neopixel_strip_t m_strip) {
+
+    // Setup the pixel array
+    int pixel[numLEDs];
+    for(int p=0; p<numLEDs; p++)
+      pixel[p] = rand()%255; 
+    
+    // Run some snowflake cycles
+    for (int j=0; j<20; j++) {
+        // Every five cycles, light a new pixel
+        if((j%5)==0)
+          neopixel_set_color(&m_strip, rand()%numLEDs, 0,0,255);
+        
+        // Dim all pixels by 10
+        for(int p=0; p<numLEDs; p++){
+          neopixel_set_color(&m_strip, p, 0,0,pixel[p] );
+          pixel[p] =  pixel[p] - 10;
+        }
+       neopixel_show(&m_strip);
+       wait_ms(delay);
+    }
+}
\ No newline at end of file