Diff: DotStar.h

Revision:

0:bae97ff743a6

Child:

1:d09c288b8eb3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DotStar.h	Fri Mar 25 07:41:51 2016 +0000
@@ -0,0 +1,80 @@
+/*------------------------------------------------------------------------
+  This file is part of the Adafruit Dot Star library.
+
+  Adafruit Dot Star is free software: you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public License
+  as published by the Free Software Foundation, either version 3 of
+  the License, or (at your option) any later version.
+
+  Adafruit Dot Star is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with DotStar.  If not, see <http://www.gnu.org/licenses/>.
+  ------------------------------------------------------------------------*/
+
+#ifndef _ADAFRUIT_DOT_STAR_H_
+#define _ADAFRUIT_DOT_STAR_H_
+
+#include <mbed.h>
+
+// Color-order flag for LED pixels (optional extra parameter to constructor):
+// Bits 0,1 = R index (0-2), bits 2,3 = G index, bits 4,5 = B index
+#define DOTSTAR_RGB (0 | (1 << 2) | (2 << 4))
+#define DOTSTAR_RBG (0 | (2 << 2) | (1 << 4))
+#define DOTSTAR_GRB (1 | (0 << 2) | (2 << 4))
+#define DOTSTAR_GBR (2 | (0 << 2) | (1 << 4))
+#define DOTSTAR_BRG (1 | (2 << 2) | (0 << 4))
+#define DOTSTAR_BGR (2 | (1 << 2) | (0 << 4))
+#define DOTSTAR_MONO 0 // Single-color strip WIP DO NOT USE YET
+
+class Adafruit_DotStar {
+
+ public:
+
+    Adafruit_DotStar(uint16_t n, uint8_t o=DOTSTAR_BRG);
+    Adafruit_DotStar(uint16_t n, uint8_t d, uint8_t c, uint8_t o=DOTSTAR_BRG);
+   ~Adafruit_DotStar(void);
+  void
+    begin(void),                            // Prime pins/SPI for output
+    clear(),                                // Set all pixel data to zero
+    setBrightness(uint8_t),                 // Set global brightness 0-255
+    setPixelColor(uint16_t n, uint32_t c),
+    setPixelColor(uint16_t n, uint8_t r, uint8_t g, uint8_t b),
+    show(void),                             // Issue color data to strip
+    // updatePins(void),                       // Change pin assignments (HW)
+    // updatePins(uint8_t d, uint8_t c),       // Change pin assignments (SW)
+    updateLength(uint16_t n);               // Change length
+  uint32_t
+    Color(uint8_t r, uint8_t g, uint8_t b), // R,G,B to 32-bit color
+    getPixelColor(uint16_t n) const;        // Return 32-bit pixel color
+  uint16_t
+    numPixels(void);                        // Return number of pixels
+  uint8_t
+    getBrightness(void) const,              // Return global brightness
+   *getPixels(void) const;                  // Return pixel data pointer
+
+ private:
+
+  uint16_t
+    numLEDs;                                // Number of pixels
+  uint8_t
+    dataPin,                                // If soft SPI, data pin #
+    clockPin,                               // If soft SPI, clock pin #
+    brightness,                             // Global brightness setting
+   *pixels,                                 // LED RGB values (3 bytes ea.)
+    rOffset,                                // Index of red in 3-byte pixel
+    gOffset,                                // Index of green byte
+    bOffset;                                // Index of blue byte
+  void
+    hw_spi_init(void),                      // Start hardware SPI
+    hw_spi_end(void);                       // Stop hardware SPI
+    // sw_spi_init(void),                      // Start bitbang SPI
+    // sw_spi_out(uint8_t n),                  // Bitbang SPI write
+    // sw_spi_end(void);                       // Stop bitbang SPI
+
+};
+
+#endif // _ADAFRUIT_DOT_STAR_H_