Driver for an Hitachi HD4470 display.
Compatible driver chips are the Samsung KS0066 and the Seiko-Epson SED1278.
All correct at time of writing, but as always, manufacturers love to move things around on their website.
http://lcd-linux.sourceforge.net/pdfdocs/hd44780.pdf
| Constants | |
| HD44780_4BIT_INTERFACE | 4-bit or 8-bit physical interface flag |
| HD44780_BIDIRECTIONAL_DBUS | Unidirectional or bidirectional bus physical interface flag |
| ANSI parser | |
| HD44780_ANSI_DRIVER_t | ANSI control parser for HD44780 displays |
| hd44780_ansi_init | Initialize LCD ANSI control sequence parser |
| Types | |
| HD44780_DRIVER_t | Virtual method table for display driver |
| Output functions | |
| hd44780_putc | Write character to LCD |
| hd44780_puts | Write zero-terminated string to LCD |
| hd44780_set_cursor_position | Set cursor position |
| hd44780_write | Write fixed-length string to LCD |
| Control functions | |
| hd44780_clear | Clear display |
| hd44780_cursor_off | Turn cursor off |
| hd44780_cursor_on | Turn cursor on |
| hd44780_display_off | Turn display off |
| hd44780_display_on | Turn display on |
| hd44780_set_backlight | Set LCD backlight level |
| Low-level functions | |
| hd44780_reset | Reset the LCD |
| hd44780_send_cmd | Issue low-level LCD command |