Suga koubou
character LCD module to I2C adapter http://mbed.org/users/okini3939/notebook/i2c-lcd-library/
Dependents: i2clcd_lib WeatherPlatform_20110408 WeatherPlatform WeatherStation ... more
I2CLCD.h@2:bc4583ce560e, 2011-02-27 (annotated)
- Committer:
- okini3939
- Date:
- Sun Feb 27 14:28:40 2011 +0000
- Revision:
- 2:bc4583ce560e
- Parent:
- 1:bf21aa3f7cdc
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 | 2:bc4583ce560e | 3 | * Copyright (c) 2011 Hiroshi Suga |
| okini3939 | 0:b069b7027af2 | 4 | * Released under the MIT License: http://mbed.org/license/mit |
| okini3939 | 1:bf21aa3f7cdc | 5 | * |
| okini3939 | 2:bc4583ce560e | 6 | * This product includes: |
| 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 | 2:bc4583ce560e | 10 | |
| okini3939 | 2:bc4583ce560e | 11 | /** @file I2CLCD.h |
| okini3939 | 2:bc4583ce560e | 12 | * @brief I2C LCD library (mbed Phone Platform) |
| okini3939 | 2:bc4583ce560e | 13 | */ |
| okini3939 | 0:b069b7027af2 | 14 | |
| okini3939 | 0:b069b7027af2 | 15 | #ifndef I2CLCD_H |
| okini3939 | 0:b069b7027af2 | 16 | #define I2CLCD_H |
| okini3939 | 0:b069b7027af2 | 17 | |
| okini3939 | 0:b069b7027af2 | 18 | #include "mbed.h" |
| okini3939 | 0:b069b7027af2 | 19 | |
| okini3939 | 2:bc4583ce560e | 20 | /** |
| okini3939 | 2:bc4583ce560e | 21 | * @brief default I2C address |
| okini3939 | 2:bc4583ce560e | 22 | */ |
| okini3939 | 2:bc4583ce560e | 23 | #define I2CLCD_ADDR 0x7c |
| okini3939 | 2:bc4583ce560e | 24 | |
| okini3939 | 2:bc4583ce560e | 25 | /** |
| okini3939 | 2:bc4583ce560e | 26 | * @brief LCD type |
| okini3939 | 2:bc4583ce560e | 27 | */ |
| okini3939 | 0:b069b7027af2 | 28 | enum I2CLCDType { |
| okini3939 | 0:b069b7027af2 | 29 | LCD8x2, |
| okini3939 | 0:b069b7027af2 | 30 | LCD16x1, |
| okini3939 | 0:b069b7027af2 | 31 | LCD16x2, |
| okini3939 | 0:b069b7027af2 | 32 | LCD16x2B, |
| okini3939 | 0:b069b7027af2 | 33 | LCD16x4, |
| okini3939 | 0:b069b7027af2 | 34 | LCD20x2, |
| okini3939 | 0:b069b7027af2 | 35 | LCD20x4 |
| okini3939 | 0:b069b7027af2 | 36 | }; |
| okini3939 | 0:b069b7027af2 | 37 | |
| okini3939 | 2:bc4583ce560e | 38 | /** |
| okini3939 | 2:bc4583ce560e | 39 | * @brief LCD config |
| okini3939 | 2:bc4583ce560e | 40 | */ |
| okini3939 | 0:b069b7027af2 | 41 | enum I2CLCDConfig { |
| okini3939 | 0:b069b7027af2 | 42 | LCDCFG_ENABLE = 0x20, |
| okini3939 | 0:b069b7027af2 | 43 | LCDCFG_PWMCOUNT = 0x10, |
| okini3939 | 0:b069b7027af2 | 44 | LCDCFG_LED = 0x08, |
| okini3939 | 0:b069b7027af2 | 45 | LCDCFG_3V = 0x04, |
| okini3939 | 0:b069b7027af2 | 46 | LCDCFG_ADDR = 0x02, |
| okini3939 | 0:b069b7027af2 | 47 | LCDCFG_INIT = 0x01 |
| okini3939 | 0:b069b7027af2 | 48 | }; |
| okini3939 | 0:b069b7027af2 | 49 | |
| okini3939 | 2:bc4583ce560e | 50 | /** |
| okini3939 | 2:bc4583ce560e | 51 | * @brief I2CLCD class |
| okini3939 | 2:bc4583ce560e | 52 | */ |
| okini3939 | 0:b069b7027af2 | 53 | class I2CLCD : public Stream { |
| okini3939 | 0:b069b7027af2 | 54 | public: |
| okini3939 | 2:bc4583ce560e | 55 | I2CLCD (PinName p_sda, PinName p_scl, int p_i2caddr = I2CLCD_ADDR, I2CLCDType p_type = LCD16x2, I2CLCDConfig p_config = LCDCFG_3V); |
| okini3939 | 2:bc4583ce560e | 56 | I2CLCD (I2C& p_i2c, int p_i2caddr = I2CLCD_ADDR, I2CLCDType p_type = LCD16x2, I2CLCDConfig p_config = LCDCFG_3V); |
| okini3939 | 0:b069b7027af2 | 57 | |
| okini3939 | 0:b069b7027af2 | 58 | void locate (int, int); |
| okini3939 | 0:b069b7027af2 | 59 | void cls (); |
| okini3939 | 0:b069b7027af2 | 60 | void lcd_cfg (I2CLCDConfig); |
| okini3939 | 0:b069b7027af2 | 61 | |
| okini3939 | 0:b069b7027af2 | 62 | protected: |
| okini3939 | 0:b069b7027af2 | 63 | virtual int _putc (int); |
| okini3939 | 0:b069b7027af2 | 64 | virtual int _getc (); |
| okini3939 | 0:b069b7027af2 | 65 | |
| okini3939 | 0:b069b7027af2 | 66 | int address (int, int); |
| okini3939 | 0:b069b7027af2 | 67 | int rows (); |
| okini3939 | 0:b069b7027af2 | 68 | int cols (); |
| okini3939 | 2:bc4583ce560e | 69 | void init (int, I2CLCDType, I2CLCDConfig); |
| okini3939 | 2:bc4583ce560e | 70 | void lcd_out (char, char); |
| okini3939 | 2:bc4583ce560e | 71 | char lcd_in (char); |
| okini3939 | 0:b069b7027af2 | 72 | |
| okini3939 | 0:b069b7027af2 | 73 | I2C i2c; |
| okini3939 | 2:bc4583ce560e | 74 | int i2caddr; |
| okini3939 | 0:b069b7027af2 | 75 | I2CLCDType type; |
| okini3939 | 0:b069b7027af2 | 76 | int x, y; |
| okini3939 | 0:b069b7027af2 | 77 | }; |
| okini3939 | 0:b069b7027af2 | 78 | |
| okini3939 | 0:b069b7027af2 | 79 | #endif |