shiro tomari
Sitronix ST7032 controlled AQM1602A character LCD module to I2C adapter http://mbed.org/users/okini3939/notebook/i2c-lcd-library/
I2CLCD.h@1:bf21aa3f7cdc, 2010-10-19 (annotated)
- Committer:
- okini3939
- Date:
- Tue Oct 19 07:08:54 2010 +0000
- Revision:
- 1:bf21aa3f7cdc
- Parent:
- 0:b069b7027af2
- Child:
- 2:bc4583ce560e
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| okini3939 | 0:b069b7027af2 | 1 | /* |
| okini3939 | 1:bf21aa3f7cdc | 2 | * mbed library for I2C LCD |
| okini3939 | 0:b069b7027af2 | 3 | * Copyright (c) 2010 Hiroshi Suga |
| okini3939 | 0:b069b7027af2 | 4 | * Released under the MIT License: http://mbed.org/license/mit |
| okini3939 | 1:bf21aa3f7cdc | 5 | * |
| okini3939 | 1:bf21aa3f7cdc | 6 | * Using some of the source code: |
| okini3939 | 1:bf21aa3f7cdc | 7 | * mbed TextLCD Library, for a 4-bit LCD based on HD44780 |
| okini3939 | 1:bf21aa3f7cdc | 8 | * Copyright (c) 2007-2010, sford |
| okini3939 | 0:b069b7027af2 | 9 | */ |
| okini3939 | 0:b069b7027af2 | 10 | |
| okini3939 | 0:b069b7027af2 | 11 | #ifndef I2CLCD_H |
| okini3939 | 0:b069b7027af2 | 12 | #define I2CLCD_H |
| okini3939 | 0:b069b7027af2 | 13 | |
| okini3939 | 0:b069b7027af2 | 14 | #include "mbed.h" |
| okini3939 | 0:b069b7027af2 | 15 | |
| okini3939 | 0:b069b7027af2 | 16 | enum I2CLCDType { |
| okini3939 | 0:b069b7027af2 | 17 | LCD8x2, |
| okini3939 | 0:b069b7027af2 | 18 | LCD16x1, |
| okini3939 | 0:b069b7027af2 | 19 | LCD16x2, |
| okini3939 | 0:b069b7027af2 | 20 | LCD16x2B, |
| okini3939 | 0:b069b7027af2 | 21 | LCD16x4, |
| okini3939 | 0:b069b7027af2 | 22 | LCD20x2, |
| okini3939 | 0:b069b7027af2 | 23 | LCD20x4 |
| okini3939 | 0:b069b7027af2 | 24 | }; |
| okini3939 | 0:b069b7027af2 | 25 | |
| okini3939 | 0:b069b7027af2 | 26 | enum I2CLCDConfig { |
| okini3939 | 0:b069b7027af2 | 27 | LCDCFG_ENABLE = 0x20, |
| okini3939 | 0:b069b7027af2 | 28 | LCDCFG_PWMCOUNT = 0x10, |
| okini3939 | 0:b069b7027af2 | 29 | LCDCFG_LED = 0x08, |
| okini3939 | 0:b069b7027af2 | 30 | LCDCFG_3V = 0x04, |
| okini3939 | 0:b069b7027af2 | 31 | LCDCFG_ADDR = 0x02, |
| okini3939 | 0:b069b7027af2 | 32 | LCDCFG_INIT = 0x01 |
| okini3939 | 0:b069b7027af2 | 33 | }; |
| okini3939 | 0:b069b7027af2 | 34 | |
| okini3939 | 0:b069b7027af2 | 35 | class I2CLCD : public Stream { |
| okini3939 | 0:b069b7027af2 | 36 | public: |
| okini3939 | 0:b069b7027af2 | 37 | I2CLCD (PinName p_sda, PinName p_scl, I2CLCDType p_type = LCD16x2, I2CLCDConfig p_config = LCDCFG_3V); |
| okini3939 | 0:b069b7027af2 | 38 | I2CLCD (I2C& p_i2c, I2CLCDType p_type = LCD16x2, I2CLCDConfig p_config = LCDCFG_3V); |
| okini3939 | 0:b069b7027af2 | 39 | |
| okini3939 | 0:b069b7027af2 | 40 | void locate (int, int); |
| okini3939 | 0:b069b7027af2 | 41 | void cls (); |
| okini3939 | 0:b069b7027af2 | 42 | void lcd_cfg (I2CLCDConfig); |
| okini3939 | 0:b069b7027af2 | 43 | |
| okini3939 | 0:b069b7027af2 | 44 | protected: |
| okini3939 | 0:b069b7027af2 | 45 | virtual int _putc (int); |
| okini3939 | 0:b069b7027af2 | 46 | virtual int _getc (); |
| okini3939 | 0:b069b7027af2 | 47 | |
| okini3939 | 0:b069b7027af2 | 48 | int address (int, int); |
| okini3939 | 0:b069b7027af2 | 49 | int rows (); |
| okini3939 | 0:b069b7027af2 | 50 | int cols (); |
| okini3939 | 0:b069b7027af2 | 51 | void init (I2CLCDType, I2CLCDConfig); |
| okini3939 | 0:b069b7027af2 | 52 | void lcd_out (int, int); |
| okini3939 | 0:b069b7027af2 | 53 | int lcd_in (int); |
| okini3939 | 0:b069b7027af2 | 54 | |
| okini3939 | 0:b069b7027af2 | 55 | I2C i2c; |
| okini3939 | 0:b069b7027af2 | 56 | I2CLCDType type; |
| okini3939 | 0:b069b7027af2 | 57 | int x, y; |
| okini3939 | 0:b069b7027af2 | 58 | }; |
| okini3939 | 0:b069b7027af2 | 59 | |
| okini3939 | 0:b069b7027af2 | 60 | #endif |