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