hw_lcd.h File Reference

LCD low-level hardware macros. More...

#include "cfg/cfg_lcd.h"
#include <cfg/macros.h>
#include <cfg/debug.h>
#include <cpu/attr.h>
#include <cpu/irq.h>
#include <cpu/types.h>


Defines
#define	LCD_DB_OUT
	Set data bus direction to output (write to display).
#define	LCD_DB_IN
	Set data bus direction to input (read from display).
#define	LCD_DELAY_WRITE
	Delay for write (Enable pulse width, 220ns).
#define	LCD_DELAY_READ
	Delay for read (Data ouput delay time, 120ns).
LCD I/O pins/ports
DB high nibble (DB[4-7])
#define	LCD_MASK (uint8_t)0xff
#define	LCD_SHIFT 0
LCD bus control macros
#define	LCD_CLR_RS
#define	LCD_SET_RS
#define	LCD_CLR_RD
#define	LCD_SET_RD
#define	LCD_CLR_E
#define	LCD_SET_E
#define	LCD_WRITE(x) ((void)x)
#define	LCD_READ (0 /* Implement me! */ )

Detailed Description

LCD low-level hardware macros.

Author:: Bernie Innocenti <bernie@codewiz.org>
Stefano Fedrigo <aleph@develer.com>

Definition in file hw_lcd.h.