Revision 0:c223864b981f, committed 2018-12-11

Comitter:

abraha2d

Date:

Tue Dec 11 06:29:34 2018 +0000

Commit message:

Initial commit

Changed in this revision

diff -r 000000000000 -r c223864b981f APA102.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/APA102.cpp	Tue Dec 11 06:29:34 2018 +0000
@@ -0,0 +1,32 @@
+#include "mbed.h"
+#include "APA102.h"
+
+void fill_solid( struct CRGB * leds, int numToFill, const struct CRGB& color) {
+    for(int i = 0; i < numToFill; i++) {
+        leds[i] = color;
+    }
+}
+
+void APA102_write(mbed::SPI& mSPI, struct CRGB * leds, int numToFill) {
+    
+    mSPI.write(0);
+    mSPI.write(0);
+    mSPI.write(0);
+    mSPI.write(0);
+    
+    for (int i = 0; i < numToFill; ++i) {
+        mSPI.write(0xE0 | 31);
+        mSPI.write(leds[i].b);
+        mSPI.write(leds[i].g);
+        mSPI.write(leds[i].r);
+    }
+    
+    int nDWords = numToFill / 32;
+    do {
+        mSPI.write(0xFF);
+        mSPI.write(0x00);
+        mSPI.write(0x00);
+        mSPI.write(0x00);
+    } while(nDWords--); 
+    
+}

diff -r 000000000000 -r c223864b981f APA102.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/APA102.h	Tue Dec 11 06:29:34 2018 +0000
@@ -0,0 +1,53 @@
+#ifndef APA102_H_
+#define APA102_H_
+
+#include "mbed.h"
+
+struct CRGB {
+    
+    union {
+        struct {
+            union {
+                uint8_t r;
+                uint8_t red;
+            };
+            union {
+                uint8_t g;
+                uint8_t green;
+            };
+            union {
+                uint8_t b;
+                uint8_t blue;
+            };
+        };
+        uint8_t raw[3];
+    };
+    
+    inline CRGB() __attribute__((always_inline)) {}
+    
+    inline CRGB( uint8_t ir, uint8_t ig, uint8_t ib)  __attribute__((always_inline))
+        : r(ir), g(ig), b(ib) {}
+    
+    inline CRGB( uint32_t colorcode)  __attribute__((always_inline))
+        : r((colorcode >> 16) & 0xFF), g((colorcode >> 8) & 0xFF), b((colorcode >> 0) & 0xFF) {}
+    
+    typedef enum {
+        Black=0x000000,
+    } HTMLColorCode;
+    
+};
+
+inline __attribute__((always_inline)) bool operator== (const CRGB& lhs, const CRGB& rhs) {
+    return (lhs.r == rhs.r) && (lhs.g == rhs.g) && (lhs.b == rhs.b);
+}
+
+__attribute__((always_inline))
+inline CRGB operator*( const CRGB& p1, double d) {
+    return CRGB(p1.r * d, p1.g * d, p1.b * d);
+}
+
+void fill_solid( struct CRGB * leds, int numToFill, const struct CRGB& color);
+
+void APA102_write(mbed::SPI& mSPI, struct CRGB * leds, int numToFill);
+
+#endif
\ No newline at end of file