Mac Lobdell / Adafruit_32x8matrix

Library to drive a pair of Adafruit 16x8 led matrices (powered by Adafruit LED Backpack) rotated end to end and stuck together to make a larger matrix.

Dependencies:   Adafruit_LEDBackpack

Dependents:   Adafruit_LEDBackpack_32x8_App RubeGoldberg

/media/uploads/maclobdell/austin_iot_lab.jpg

Adafruit_32x8matrix.h@2:cdcd2d7d83c3, 2017-12-11 (annotated)

Committer:
maclobdell
Date:
Mon Dec 11 19:22:54 2017 +0000
Revision:
2:cdcd2d7d83c3
Parent:
1:ed6764fbda54 
added playText function which parses a sentence and either shows the individual words (for short words under 5 chars), or scrolls them for words equal to or greater than 5 chars.  also updated mbed-os library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
maclobdell 0:acc3c726ffe3 1 #ifndef _ADAFRUIT_32X8MATRIX_H_
maclobdell 0:acc3c726ffe3 2 #define _ADAFRUIT_32X8MATRIX_H_
maclobdell 0:acc3c726ffe3 3
maclobdell 0:acc3c726ffe3 4 #include "Adafruit_LEDBackpack.h"
maclobdell 0:acc3c726ffe3 5 #include "Adafruit_GFX.h"
maclobdell 0:acc3c726ffe3 6
maclobdell 0:acc3c726ffe3 7 //notes
maclobdell 0:acc3c726ffe3 8 //220uA no leds on
maclobdell 0:acc3c726ffe3 9 //default brightness - rises to 20mA at short peak then back down when scrolling hello
maclobdell 0:acc3c726ffe3 10 //brightness = 1, rises to ~4mA at short peak then back down when scrolling hello
maclobdell 0:acc3c726ffe3 11
maclobdell 0:acc3c726ffe3 12
maclobdell 0:acc3c726ffe3 13 class Adafruit_32x8matrix {
maclobdell 0:acc3c726ffe3 14 public:
maclobdell 0:acc3c726ffe3 15 Adafruit_32x8matrix(I2C *i2c, uint8_t i2c_addr, uint8_t i2c_addr2, uint8_t rotation, uint8_t rotation2, uint8_t brightness);
maclobdell 0:acc3c726ffe3 16
maclobdell 0:acc3c726ffe3 17 void scrollText(char * , uint8_t , uint8_t );
maclobdell 0:acc3c726ffe3 18 void showText(char * , uint8_t , uint8_t );
maclobdell 2:cdcd2d7d83c3 19 void playText(char * , uint8_t , uint8_t );
maclobdell 2:cdcd2d7d83c3 20
maclobdell 0:acc3c726ffe3 21 private:
maclobdell 1:ed6764fbda54 22 I2C *_i2c;
maclobdell 0:acc3c726ffe3 23 Adafruit_16x8matrix _matrix;
maclobdell 0:acc3c726ffe3 24 Adafruit_16x8matrix _matrix2;
maclobdell 0:acc3c726ffe3 25 uint8_t _i2c_addr;
maclobdell 0:acc3c726ffe3 26 uint8_t _i2c_addr2;
maclobdell 0:acc3c726ffe3 27 uint8_t _rotation;
maclobdell 0:acc3c726ffe3 28 uint8_t _rotation2;
maclobdell 0:acc3c726ffe3 29 uint8_t _brightness;
maclobdell 0:acc3c726ffe3 30
maclobdell 0:acc3c726ffe3 31 };
maclobdell 0:acc3c726ffe3 32
maclobdell 1:ed6764fbda54 33 #endif