Funky LPD8806 stuff

1 files changed, 46 insertions, 0 deletions

diff --git a/lpd8806/src/LPD8806.h b/lpd8806/src/LPD8806.h
new file mode 100644
index 0000000..126ef1c
--- /dev/null
+++ b/lpd8806/src/LPD8806.h
@@ -0,0 +1,46 @@
+#if (ARDUINO >= 100)
+ #include <Arduino.h>
+#else
+ #include <WProgram.h>
+ #include <pins_arduino.h>
+#endif
+
+class LPD8806 {
+
+ public:
+
+  LPD8806(uint16_t n, uint8_t dpin, uint8_t cpin); // Configurable pins
+  LPD8806(uint16_t n); // Use SPI hardware; specific pins only
+  LPD8806(void); // Empty constructor; init pins & strip length later
+  void
+    begin(void),
+    show(void),
+    setPixelColor(uint16_t n, uint8_t r, uint8_t g, uint8_t b),
+    setPixelColor(uint16_t n, uint32_t c),
+    updatePins(uint8_t dpin, uint8_t cpin), // Change pins, configurable
+    updatePins(void),                       // Change pins, hardware SPI
+    updateLength(uint16_t n);               // Change strip length
+  uint16_t
+    numPixels(void);
+  uint32_t
+    Color(byte, byte, byte),
+    getPixelColor(uint16_t n);
+
+ private:
+
+  uint16_t
+    numLEDs,    // Number of RGB LEDs in strip
+    numBytes;   // Size of 'pixels' buffer below
+  uint8_t
+    *pixels,    // Holds LED color values (3 bytes each) + latch
+    clkpin    , datapin,     // Clock & data pin numbers
+    clkpinmask, datapinmask; // Clock & data PORT bitmasks
+  volatile uint8_t
+    *clkport  , *dataport;   // Clock & data PORT registers
+  void
+    startBitbang(void),
+    startSPI(void);
+  boolean
+    hardwareSPI, // If 'true', using hardware SPI
+    begun;       // If 'true', begin() method was previously invoked
+};