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Diffstat (limited to 'docs/feature_hd44780.md')
| -rw-r--r-- | docs/feature_hd44780.md | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/docs/feature_hd44780.md b/docs/feature_hd44780.md index e9d9e8b7b8..0a174035be 100644 --- a/docs/feature_hd44780.md +++ b/docs/feature_hd44780.md @@ -2,11 +2,12 @@ This is an integration of Peter Fleury's LCD library. This page will explain the basics. [For in depth documentation visit his page.](http://homepage.hispeed.ch/peterfleury/doxygen/avr-gcc-libraries/group__pfleury__lcd.html) -You can enable support for HD44780 Displays by setting the `HD44780_ENABLE` flag in your keyboards `rules.mk` to yes. This will use about 400 KB of extra space. +You can enable support for HD44780 Displays by setting the `HD44780_ENABLE` flag in your keyboards `rules.mk` to yes. ## Configuration -You will need to configure the pins used by your display and its number of lines and collumn in your keyboards `config.h`. +You will need to configure the pins used by your display, and its number of lines and columns in your keyboard's `config.h`. + Uncomment the section labled HD44780 and change the parameters as needed. ```` @@ -25,7 +26,7 @@ Uncomment the section labled HD44780 and change the parameters as needed. #define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3 #define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0 #define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1 -#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2 +#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2 #define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3 #define LCD_RS_PORT LCD_PORT //< port for RS line #define LCD_RS_PIN 3 //< pin for RS line @@ -38,14 +39,14 @@ Uncomment the section labled HD44780 and change the parameters as needed. Should you need to configure other properties you can copy them from `quantum/hd44780.h` and set them in your `config.h` -## Usage +## Usage -To initialize your display call lcd_init() with one of these parameters: +To initialize your display, call `lcd_init()` with one of these parameters: ```` LCD_DISP_OFF : display off LCD_DISP_ON : display on, cursor off LCD_DISP_ON_CURSOR : display on, cursor on -LCD_DISP_ON_CURSOR_BLINK : display on, cursor on flashing +LCD_DISP_ON_CURSOR_BLINK : display on, cursor on flashing ```` This is best done in your keyboards `matrix_init_kb` or your keymaps `matrix_init_user`. It is advised to clear the display before use. @@ -53,4 +54,4 @@ To do so call `lcd_clrsrc()`. To now print something to your Display you first call `lcd_gotoxy(column, line)`. To go to the start of the first line you would call `lcd_gotoxy(0, 0)` and then print a string with `lcd_puts("example string")`. -There are more posible methods to control the display. [For in depth documentation please visit the linked page.](http://homepage.hispeed.ch/peterfleury/doxygen/avr-gcc-libraries/group__pfleury__lcd.html) +There are more methods available to control the display. [For in depth documentation please visit the linked page.](http://homepage.hispeed.ch/peterfleury/doxygen/avr-gcc-libraries/group__pfleury__lcd.html) |