Diff: WS281X.h

Revision:

0:dff187a80020

Child:

2:cc8e091fd975

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WS281X.h	Tue Jul 26 18:09:24 2016 +0000
@@ -0,0 +1,114 @@
+/* WS281X.h (for LPC82X/STM32F0x/STM32F746xx)
+ * mbed Microcontroller Library
+ * Copyright (c) 2016 muetch, t.kuroki, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma once
+
+#ifndef WS281X_H
+#define WS281X_H
+
+#include "mbed.h"
+#include "ColorLib.h"
+
+//----------------------------------------------------------------------------
+#define MAX_PIXELS      170
+
+//----------------------------------------------------------------------------
+/**
+    WS281X
+*/
+class WS281X
+{
+public:
+    /**
+        Order of r, g and b bytes
+    */
+    enum RGBOrder
+    {
+        RGB, RBG, GRB, GBR, BRG, BGR
+    };
+
+    /**
+    *   Initializes the addressable led bus
+    *
+    *   @param wirePin - The output pin on wich the addressable leds are connected
+    *   @param pinMode - The output pin mode PullUp, PullDown, PullNone, OpenDrain
+    *   @param numPixels - Number of the addressable leds
+    *   @param RGBOrder - The order in wich the r, g and b bytes are expected
+    */
+    WS281X(PinName wirePin, PinMode pinMode = PullNone, int numPixels = MAX_PIXELS, RGBOrder rgbOrder = WS281X::RGB);
+    ~WS281X();
+
+    RGBOrder getRGBOrder() { return _rgbOrder; }
+    void setRGBOrder(RGBOrder rgbOrder = WS281X::RGB);
+
+    void repeatBlock(int block_size);
+    void clear(uint32_t color = 0);
+    void clear(RGBColor color) { clear((uint32_t)color); }
+
+    void show();
+    void show(uint32_t color);
+    void show(RGBColor color) { show((uint32_t)color); }
+
+    inline RGBColor operator[](int index) const
+    {
+        if ((uint16_t)index < _numPixels)
+            return _pixels[index];
+        return _dummyPixel;
+    }
+
+    inline RGBColor& operator[](int index)
+    {
+        if ((uint16_t)index < _numPixels)
+            return _pixels[index];
+        return _dummyPixel;
+    }
+
+protected:
+
+private:
+    PinName _wirePin;
+    gpio_t _gpio;
+    RGBOrder _rgbOrder;
+    int _1st, _2nd, _3rd;
+
+    uint16_t _numPixels;
+    RGBColor _dummyPixel;
+    RGBColor *_pixels;
+
+#if defined(TARGET_NXP)
+    typedef uint32_t regsize_t;
+#elif defined(TARGET_STM32F0) || defined(TARGET_STM32F1)
+    typedef uint32_t regsize_t;
+#elif defined(TARGET_STM)
+    typedef uint16_t regsize_t;
+#else
+#error "not supported CPU!!"
+#endif
+#if defined(TARGET_STM)
+    void pin_mode_ex(PinName pin, PinMode mode);
+#endif
+#if defined(TARGET_STM32F7)
+    void _delay(int value);
+#endif
+    void writeByte(__IO regsize_t *reg_set, __IO regsize_t *reg_clr, regsize_t *mask, uint8_t value);
+};
+
+//----------------------------------------------------------------------------
+#endif      // end of WS281X_H