patterns.cpp

00001 #include "mbed.h" // remove line if not using mbed
00002 
00003 #include <stdbool.h>
00004 #include <stdint.h>
00005 #include <stdlib.h>
00006 #include "nrf_delay.h"
00007 #include "nrf_gpio.h"
00008 #include "neopixel.h"
00009 
00010 // Input a value 0 to 255 to get a color value.
00011 // The colours are a transition r - g - b - back to r.
00012 uint32_t Wheel(uint8_t WheelPos, neopixel_strip_t m_strip, uint8_t led_to_enable) {
00013   WheelPos = 255 - WheelPos;
00014   if(WheelPos < 85) {
00015     return neopixel_set_color(&m_strip, led_to_enable, 255 - WheelPos * 3, 0, WheelPos * 3);
00016   }
00017   if(WheelPos < 170) {
00018     WheelPos -= 85;
00019     return neopixel_set_color(&m_strip, 0, led_to_enable, WheelPos * 3, 255 - WheelPos * 3);
00020   }
00021   WheelPos -= 170;
00022   return neopixel_set_color(&m_strip, led_to_enable, WheelPos * 3, 255 - WheelPos * 3, 0);
00023 }
00024 
00025 void rainbowCycle(int delay, uint8_t numLEDs, neopixel_strip_t m_strip) {
00026    uint16_t i, j;
00027    uint32_t ret;
00028 
00029   for(j=0; j<256; j++) {
00030     for(i=0; i<numLEDs; i++) {
00031       //neopixel_set_color(&m_strip, i, Wheel((i+j) & 255));
00032       ret = Wheel((i+j) & 255, m_strip, i);
00033     }
00034     neopixel_show(&m_strip);
00035     wait_ms(delay);
00036   }
00037 }
00038 
00039 void candyChase(int delay, uint8_t numLEDs, neopixel_strip_t m_strip) {
00040     
00041     for (int i=0; i < numLEDs; i++) 
00042         neopixel_set_color(&m_strip, i, 255,255,255);  //turn every pixel white
00043   
00044     for (int i=0; i < numLEDs-1; i++) {
00045         neopixel_set_color(&m_strip, i, 255,255,255);
00046         neopixel_set_color(&m_strip, i+1, 255,0,0);    //turn on a red pixel and move it
00047         neopixel_show(&m_strip);
00048         wait_ms(delay); 
00049     }
00050     wait_ms(delay);
00051     
00052     for (int i=0; i < numLEDs; i++) 
00053         neopixel_set_color(&m_strip, i, 255,0,0);  //turn every pixel red
00054   
00055     for (int i=0; i < numLEDs-1; i++) {
00056         neopixel_set_color(&m_strip, i, 255,0,0);
00057         neopixel_set_color(&m_strip, i+1, 255,255,255);    //turn on a white pixel and move it
00058         neopixel_show(&m_strip);
00059         wait_ms(delay); 
00060     }
00061 }
00062 
00063 void snowflakes(int delay, uint8_t numLEDs, neopixel_strip_t m_strip) {
00064 
00065     for (int i=0; i < numLEDs; i++) 
00066         neopixel_set_color(&m_strip, i, 0,0,235);  //turn every pixel blue
00067   
00068     for (int i=0; i < numLEDs-1; i++) {
00069         neopixel_set_color(&m_strip, i, 0,0,235);
00070         neopixel_set_color(&m_strip, i+1, 255,255,255);    //turn on a white pixel and move it
00071         neopixel_show(&m_strip);
00072         wait_ms(delay); 
00073     }
00074 }
00075 
00076 void collegiate(int delay, uint8_t numLEDs, neopixel_strip_t m_strip) {
00077 
00078     for (int i=0; i < numLEDs; i++) 
00079         neopixel_set_color(&m_strip, i, 224,193,36);  //turn every pixel gold
00080   
00081     for (int i=0; i < numLEDs-1; i++) {
00082         neopixel_set_color(&m_strip, i, 224,193,36);
00083         neopixel_set_color(&m_strip, i+1, 0,255,0);    //turn on a green pixel and move it
00084         neopixel_show(&m_strip);
00085         wait_ms(delay); 
00086     }
00087     wait_ms(delay);
00088     
00089     for (int i=0; i < numLEDs; i++) 
00090         neopixel_set_color(&m_strip, i, 0,255,0);  //turn every pixel green
00091   
00092     for (int i=0; i < numLEDs-1; i++) {
00093         neopixel_set_color(&m_strip, i, 0,255,0);
00094         neopixel_set_color(&m_strip, i+1, 224,193,36);    //turn on a gold pixel and move it
00095         neopixel_show(&m_strip);
00096         wait_ms(delay); 
00097     }
00098 }
00099 
00100 void iceflakes(int delay, uint8_t numLEDs, neopixel_strip_t m_strip) {
00101     uint8_t led;
00102     
00103     for (uint8_t i=0; i < numLEDs; i++) 
00104         neopixel_set_color(&m_strip, i, 235,235,235);  //turn every pixel white
00105   
00106     led = rand()%numLEDs;
00107     neopixel_set_color(&m_strip, led, 0, 0, 235); // set random blue
00108     neopixel_show(&m_strip);
00109     wait_ms(delay); 
00110 }  
00111 
00112 void xmas(int delay, uint8_t numLEDs, neopixel_strip_t m_strip) {
00113     //All green
00114     for (int j=0; j<numLEDs; j++) 
00115         neopixel_set_color(&m_strip, j, 0,255,0);
00116     neopixel_show(&m_strip);
00117     wait_ms(1000);
00118     //All red
00119     for (int j=0; j<numLEDs; j++) 
00120         neopixel_set_color(&m_strip, j, 255,0,0);
00121     neopixel_show(&m_strip);
00122     wait_ms(1000);
00123     //Green with a red mover
00124     for (int j=0; j<numLEDs; j++) 
00125         neopixel_set_color(&m_strip, j, 0,255,0);
00126     neopixel_show(&m_strip);
00127     wait_ms(500);
00128     for (int j=0; j<numLEDs; j++) 
00129     {
00130         neopixel_set_color(&m_strip, j, 255,0,0);
00131         neopixel_show(&m_strip);
00132         wait_ms(delay);  
00133     }   
00134     //Red with a green mover
00135     for (int j=0; j<numLEDs; j++) 
00136         neopixel_set_color(&m_strip, j, 255,0,0);
00137     neopixel_show(&m_strip);
00138     wait_ms(delay);
00139     for (int j=0; j<numLEDs; j++) 
00140     {
00141         neopixel_set_color(&m_strip, j, 0,255,0);
00142         neopixel_show(&m_strip);
00143         wait_ms(delay);  
00144     }   
00145 }
00146 
00147 void irondude(int delay, uint8_t numLEDs, neopixel_strip_t m_strip) {
00148     
00149     for (int i=0; i < numLEDs; i++) 
00150         neopixel_set_color(&m_strip, i, 255,255,255);  //turn every pixel white
00151   
00152     for (int i=0; i < numLEDs; i++) {
00153         neopixel_set_color(&m_strip, i, 255,0,0);    //change whites to reds
00154         neopixel_show(&m_strip);
00155         wait_ms(delay); 
00156     }
00157     wait_ms(delay);
00158   
00159     for (int i=0; i <= numLEDs; i++) {
00160         neopixel_set_color(&m_strip, numLEDs - i, 255,255,255);    //change reds to white, in reverse
00161         neopixel_show(&m_strip);
00162         wait_ms(delay); 
00163     }
00164 }