Diff: Backlight/Backlight.h

Revision:

1:951d0ba43cb1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Backlight/Backlight.h	Fri Apr 20 01:52:39 2018 +0000
@@ -0,0 +1,53 @@
+#ifndef NEOPIXEL_H
+#define NEOPIXEL_H
+
+#include "mbed.h"
+
+#define NUM_PIXELS 5
+#define NUM_COLORS_PER_PIXEL 3
+#define NUM_BYTES_PER_COLOR 4
+#define TOTAL_PIXEL_BYTES (NUM_BYTES_PER_COLOR*NUM_COLORS_PER_PIXEL*NUM_PIXELS)
+
+enum BacklightStatus {
+    BACKLIGHT_OK,
+    BACKLIGHT_ERROR,
+    BACKLIGHT_CONFIG,
+    BACKLIGHT_OFF
+};
+
+class Backlight
+{
+public:
+    /** Initialize a NeoPixel.
+     *
+     * @param mosiPin - transmit data on. Must be a SPI MOSI output
+     */
+    Backlight(PinName mosiPin);
+    
+    /** Updates the clock backlight status
+     *
+     *  @param status - sets the backlight based on predefined color pattern
+     *                  matched with the status.
+     */
+    void UpdateBacklight(BacklightStatus status);
+    
+    /** Updates the bightness of the backlight.
+     *
+     * @param birghtness - float of brightness from 0.0 to 1.0
+     *
+     */
+     void UpdateBrightness(float brightness);
+     
+private:
+    SPI _bus;
+    const uint8_t (*_statusColor)[NUM_COLORS_PER_PIXEL];
+    float _brightness;
+    uint8_t _rawPixelData[TOTAL_PIXEL_BYTES];
+    uint8_t _rxBuffer[TOTAL_PIXEL_BYTES];
+    
+    void WritePixels(void);
+    void CreateRawData(void);
+    void WriteComplete(void);    
+};
+
+#endif
\ No newline at end of file