Matthew Waddilove
Library implementing the TextDisplay interface for the Serial LCDs as sold by Sparkfun etc...
TextLCD_Serial.h@0:bd978ddc0470, 2010-08-27 (annotated)
- Committer:
- giryan
- Date:
- Fri Aug 27 13:01:14 2010 +0000
- Revision:
- 0:bd978ddc0470
- Child:
- 1:7174fd65fd77
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| giryan | 0:bd978ddc0470 | 1 | #pragma once |
| giryan | 0:bd978ddc0470 | 2 | |
| giryan | 0:bd978ddc0470 | 3 | #include "TextDisplay.h" |
| giryan | 0:bd978ddc0470 | 4 | |
| giryan | 0:bd978ddc0470 | 5 | //! class that implements TextDisplay, for a 2x16 (2x20 to come) serial LCD, controlled by the HD44780 |
| giryan | 0:bd978ddc0470 | 6 | class TextLCD_Serial : public TextDisplay |
| giryan | 0:bd978ddc0470 | 7 | { |
| giryan | 0:bd978ddc0470 | 8 | public: |
| giryan | 0:bd978ddc0470 | 9 | //! Constructor |
| giryan | 0:bd978ddc0470 | 10 | TextLCD_Serial(PinName tx, PinName rx, char const * name = NULL); |
| giryan | 0:bd978ddc0470 | 11 | |
| giryan | 0:bd978ddc0470 | 12 | |
| giryan | 0:bd978ddc0470 | 13 | virtual void character(int column, int row, int c); |
| giryan | 0:bd978ddc0470 | 14 | |
| giryan | 0:bd978ddc0470 | 15 | virtual int rows() |
| giryan | 0:bd978ddc0470 | 16 | { |
| giryan | 0:bd978ddc0470 | 17 | return 2; |
| giryan | 0:bd978ddc0470 | 18 | } |
| giryan | 0:bd978ddc0470 | 19 | virtual int columns() |
| giryan | 0:bd978ddc0470 | 20 | { |
| giryan | 0:bd978ddc0470 | 21 | return 16; |
| giryan | 0:bd978ddc0470 | 22 | } |
| giryan | 0:bd978ddc0470 | 23 | |
| giryan | 0:bd978ddc0470 | 24 | |
| giryan | 0:bd978ddc0470 | 25 | |
| giryan | 0:bd978ddc0470 | 26 | /** Clear the screen and locate to 0,0 */ |
| giryan | 0:bd978ddc0470 | 27 | virtual void cls(); |
| giryan | 0:bd978ddc0470 | 28 | |
| giryan | 0:bd978ddc0470 | 29 | |
| giryan | 0:bd978ddc0470 | 30 | |
| giryan | 0:bd978ddc0470 | 31 | |
| giryan | 0:bd978ddc0470 | 32 | protected: |
| giryan | 0:bd978ddc0470 | 33 | //! Set the LCD's cursor position |
| giryan | 0:bd978ddc0470 | 34 | void setLCDCursor(int const column, int const row); |
| giryan | 0:bd978ddc0470 | 35 | |
| giryan | 0:bd978ddc0470 | 36 | //! write a byte to _lcd |
| giryan | 0:bd978ddc0470 | 37 | void writeByte(int const value); |
| giryan | 0:bd978ddc0470 | 38 | //!Send a command |
| giryan | 0:bd978ddc0470 | 39 | void writeCommand(int const command); |
| giryan | 0:bd978ddc0470 | 40 | //! write a regular char. |
| giryan | 0:bd978ddc0470 | 41 | void writeData(int const data); |
| giryan | 0:bd978ddc0470 | 42 | |
| giryan | 0:bd978ddc0470 | 43 | //! Enum with command codes. |
| giryan | 0:bd978ddc0470 | 44 | struct Codes |
| giryan | 0:bd978ddc0470 | 45 | { |
| giryan | 0:bd978ddc0470 | 46 | enum Enum |
| giryan | 0:bd978ddc0470 | 47 | { |
| giryan | 0:bd978ddc0470 | 48 | BackLight = 0x7C, |
| giryan | 0:bd978ddc0470 | 49 | Command = 0xFE, |
| giryan | 0:bd978ddc0470 | 50 | Clear = 0x01, |
| giryan | 0:bd978ddc0470 | 51 | DisplayOn = 0x0C, |
| giryan | 0:bd978ddc0470 | 52 | DisplayOff = 0x08, |
| giryan | 0:bd978ddc0470 | 53 | UnderlineCursorOn = 0x0E, |
| giryan | 0:bd978ddc0470 | 54 | UnderlineCursorOff = 0x0C, |
| giryan | 0:bd978ddc0470 | 55 | BlinkingCursorOn = 0x0D, |
| giryan | 0:bd978ddc0470 | 56 | BlinkingCursorOff = 0x0C, |
| giryan | 0:bd978ddc0470 | 57 | CursorLeft = 0x10, |
| giryan | 0:bd978ddc0470 | 58 | CursorRight = 0x14, |
| giryan | 0:bd978ddc0470 | 59 | ScrollLeft = 0x18, |
| giryan | 0:bd978ddc0470 | 60 | ScrollRight = 0x1C, |
| giryan | 0:bd978ddc0470 | 61 | |
| giryan | 0:bd978ddc0470 | 62 | Position = 0x80 |
| giryan | 0:bd978ddc0470 | 63 | }; |
| giryan | 0:bd978ddc0470 | 64 | }; |
| giryan | 0:bd978ddc0470 | 65 | |
| giryan | 0:bd978ddc0470 | 66 | Serial _lcd; |
| giryan | 0:bd978ddc0470 | 67 | }; |