character LCD module to I2C adapter Reference http://mbed.org/users/okini3939/notebook/i2c-lcd-library/
Dependents: JRO_CR2 frdm_test JRO_DDSv2 JRO_DDSv2_rev2019
Fork of I2CLCD by
I2CLCD.h@3:0c291dbc7acc, 2015-02-23 (annotated)
- Committer:
- miguelcordero191
- Date:
- Mon Feb 23 20:37:14 2015 +0000
- Revision:
- 3:0c291dbc7acc
- Parent:
- 2:bc4583ce560e
Some comments were added
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 | |
miguelcordero191 | 3:0c291dbc7acc | 20 | #define LCD_NHD_C022BiZ |
okini3939 | 2:bc4583ce560e | 21 | /** |
okini3939 | 2:bc4583ce560e | 22 | * @brief default I2C address |
okini3939 | 2:bc4583ce560e | 23 | */ |
miguelcordero191 | 3:0c291dbc7acc | 24 | |
miguelcordero191 | 3:0c291dbc7acc | 25 | #ifdef LCD_NHD_C022BiZ |
miguelcordero191 | 3:0c291dbc7acc | 26 | |
miguelcordero191 | 3:0c291dbc7acc | 27 | #define I2CLCD_ADDR 0x7c |
miguelcordero191 | 3:0c291dbc7acc | 28 | #define INST_FUNC 0x38 |
miguelcordero191 | 3:0c291dbc7acc | 29 | #define INST_SHIFT 0x10 |
miguelcordero191 | 3:0c291dbc7acc | 30 | #define INST_DISPLAY 0x0f |
miguelcordero191 | 3:0c291dbc7acc | 31 | #define INST_CLEAR 0x01 |
miguelcordero191 | 3:0c291dbc7acc | 32 | #define INST_ENTRY_MODE 0x06 |
miguelcordero191 | 3:0c291dbc7acc | 33 | |
miguelcordero191 | 3:0c291dbc7acc | 34 | #else |
miguelcordero191 | 3:0c291dbc7acc | 35 | |
miguelcordero191 | 3:0c291dbc7acc | 36 | #define I2CLCD_ADDR 0x7c |
miguelcordero191 | 3:0c291dbc7acc | 37 | #define INST_FUNC 0x38 |
miguelcordero191 | 3:0c291dbc7acc | 38 | #define INST_SHIFT 0x10 |
miguelcordero191 | 3:0c291dbc7acc | 39 | #define INST_DISPLAY 0x0c |
miguelcordero191 | 3:0c291dbc7acc | 40 | #define INST_CLEAR 0x01 |
miguelcordero191 | 3:0c291dbc7acc | 41 | #define INST_ENTRY_MODE 0x06 |
miguelcordero191 | 3:0c291dbc7acc | 42 | |
miguelcordero191 | 3:0c291dbc7acc | 43 | #endif |
miguelcordero191 | 3:0c291dbc7acc | 44 | |
okini3939 | 2:bc4583ce560e | 45 | |
okini3939 | 2:bc4583ce560e | 46 | /** |
okini3939 | 2:bc4583ce560e | 47 | * @brief LCD type |
okini3939 | 2:bc4583ce560e | 48 | */ |
okini3939 | 0:b069b7027af2 | 49 | enum I2CLCDType { |
okini3939 | 0:b069b7027af2 | 50 | LCD8x2, |
okini3939 | 0:b069b7027af2 | 51 | LCD16x1, |
okini3939 | 0:b069b7027af2 | 52 | LCD16x2, |
okini3939 | 0:b069b7027af2 | 53 | LCD16x2B, |
okini3939 | 0:b069b7027af2 | 54 | LCD16x4, |
okini3939 | 0:b069b7027af2 | 55 | LCD20x2, |
okini3939 | 0:b069b7027af2 | 56 | LCD20x4 |
okini3939 | 0:b069b7027af2 | 57 | }; |
okini3939 | 0:b069b7027af2 | 58 | |
okini3939 | 2:bc4583ce560e | 59 | /** |
okini3939 | 2:bc4583ce560e | 60 | * @brief LCD config |
okini3939 | 2:bc4583ce560e | 61 | */ |
okini3939 | 0:b069b7027af2 | 62 | enum I2CLCDConfig { |
okini3939 | 0:b069b7027af2 | 63 | LCDCFG_ENABLE = 0x20, |
okini3939 | 0:b069b7027af2 | 64 | LCDCFG_PWMCOUNT = 0x10, |
okini3939 | 0:b069b7027af2 | 65 | LCDCFG_LED = 0x08, |
okini3939 | 0:b069b7027af2 | 66 | LCDCFG_3V = 0x04, |
okini3939 | 0:b069b7027af2 | 67 | LCDCFG_ADDR = 0x02, |
okini3939 | 0:b069b7027af2 | 68 | LCDCFG_INIT = 0x01 |
okini3939 | 0:b069b7027af2 | 69 | }; |
okini3939 | 0:b069b7027af2 | 70 | |
okini3939 | 2:bc4583ce560e | 71 | /** |
okini3939 | 2:bc4583ce560e | 72 | * @brief I2CLCD class |
okini3939 | 2:bc4583ce560e | 73 | */ |
okini3939 | 0:b069b7027af2 | 74 | class I2CLCD : public Stream { |
okini3939 | 0:b069b7027af2 | 75 | public: |
okini3939 | 2:bc4583ce560e | 76 | I2CLCD (PinName p_sda, PinName p_scl, int p_i2caddr = I2CLCD_ADDR, I2CLCDType p_type = LCD16x2, I2CLCDConfig p_config = LCDCFG_3V); |
okini3939 | 2:bc4583ce560e | 77 | I2CLCD (I2C& p_i2c, int p_i2caddr = I2CLCD_ADDR, I2CLCDType p_type = LCD16x2, I2CLCDConfig p_config = LCDCFG_3V); |
okini3939 | 0:b069b7027af2 | 78 | |
okini3939 | 0:b069b7027af2 | 79 | void locate (int, int); |
okini3939 | 0:b069b7027af2 | 80 | void cls (); |
okini3939 | 0:b069b7027af2 | 81 | void lcd_cfg (I2CLCDConfig); |
miguelcordero191 | 3:0c291dbc7acc | 82 | void printf ( const char* text, int x=0, int y=0); |
miguelcordero191 | 3:0c291dbc7acc | 83 | |
okini3939 | 0:b069b7027af2 | 84 | protected: |
okini3939 | 0:b069b7027af2 | 85 | virtual int _putc (int); |
okini3939 | 0:b069b7027af2 | 86 | virtual int _getc (); |
miguelcordero191 | 3:0c291dbc7acc | 87 | |
okini3939 | 0:b069b7027af2 | 88 | int address (int, int); |
okini3939 | 0:b069b7027af2 | 89 | int rows (); |
okini3939 | 0:b069b7027af2 | 90 | int cols (); |
okini3939 | 2:bc4583ce560e | 91 | void init (int, I2CLCDType, I2CLCDConfig); |
miguelcordero191 | 3:0c291dbc7acc | 92 | void lcd_out (char, char = 0); |
okini3939 | 2:bc4583ce560e | 93 | char lcd_in (char); |
okini3939 | 0:b069b7027af2 | 94 | |
okini3939 | 0:b069b7027af2 | 95 | I2C i2c; |
okini3939 | 2:bc4583ce560e | 96 | int i2caddr; |
okini3939 | 0:b069b7027af2 | 97 | I2CLCDType type; |
okini3939 | 0:b069b7027af2 | 98 | int x, y; |
okini3939 | 0:b069b7027af2 | 99 | }; |
okini3939 | 0:b069b7027af2 | 100 | |
okini3939 | 0:b069b7027af2 | 101 | #endif |