This is a library for the Adafruit LED Backpacks. This library works with the Adafruit Mini 8x8 and 16x8.
Dependents: Adafruit_LEDBackpack_16x8_App Adafruit_32x8matrix
Fork of Adafruit_LEDBackpack by
Diff: Adafruit_LEDBackpack.h
- Revision:
- 0:e81a6274acce
- Child:
- 1:f066d5347c60
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_LEDBackpack.h Fri Aug 16 15:41:01 2013 +0000
@@ -0,0 +1,70 @@
+/***************************************************
+ 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
+ ****************************************************/
+
+#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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