Diff: Adafruit_LEDBackpack/Adafruit_LEDBackpack.h

Revision:

0:d6c9b09b4042

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+++ b/Adafruit_LEDBackpack/Adafruit_LEDBackpack.h	Wed Dec 02 18:02:03 2020 +0000
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+/*************************************************** 
+  This is a library for our I2C LED Backpacks
+
+  Designed specifically to work with the Adafruit LED Matrix backpacks 
+  ----> http://www.adafruit.com/products/
+  ----> http://www.adafruit.com/products/
+
+  These displays use I2C to communicate, 2 pins are required to 
+  interface. There are multiple selectable I2C addresses. For backpacks
+  with 2 Address Select pins: 0x70, 0x71, 0x72 or 0x73. For backpacks
+  with 3 Address Select pins: 0x70 thru 0x77
+
+  Adafruit invests time and resources providing this open source code, 
+  please support Adafruit and open-source hardware by purchasing 
+  products from Adafruit!
+
+  Written by Limor Fried/Ladyada for Adafruit Industries.  
+  BSD license, all text above must be included in any redistribution
+ ****************************************************/
+ 
+ /*
+ *  Modified by Luiz Hespanha (http://www.d3.do) 8/16/2013 for use in LPC1768
+ */
+
+#include "mbed.h"
+#include "Adafruit_GFX.h"
+
+#define LED_ON 1
+#define LED_OFF 0
+
+#define LED_RED 1
+#define LED_YELLOW 2
+#define LED_GREEN 3
+ 
+
+
+#define HT16K33_BLINK_CMD 0x80
+#define HT16K33_BLINK_DISPLAYON 0x01
+#define HT16K33_BLINK_OFF 0
+#define HT16K33_BLINK_2HZ  1
+#define HT16K33_BLINK_1HZ  2
+#define HT16K33_BLINK_HALFHZ  3
+
+#define HT16K33_CMD_BRIGHTNESS 0x0E
+
+// this is the raw HT16K33 controller
+class Adafruit_LEDBackpack {
+ public:
+  Adafruit_LEDBackpack(I2C *i2c);
+  void begin(uint8_t _addr);
+  void setBrightness(uint8_t b);
+  void blinkRate(uint8_t b);
+  void writeDisplay(void);
+  void clear(void);
+
+  uint16_t displaybuffer[8]; 
+
+  void init(uint8_t a);
+
+  protected:
+    I2C *_i2c;
+  
+ private:
+  uint8_t i2c_addr;
+};
+
+class Adafruit_8x8matrix : public Adafruit_LEDBackpack, public Adafruit_GFX {
+ public:
+  Adafruit_8x8matrix(I2C *i2c);
+
+  void drawPixel(int16_t x, int16_t y, uint16_t color);
+
+ private:
+};
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