led.h

来自「基于AT91RM9200 板卡的OLED Linux 驱动程序」· C头文件 代码 · 共 36 行

/* 
 * 8255a GPIO interface for Linux on Atmel AT91RM9200
 * Copyright (c) 2006 Ligang Wang
 * [e-mail]
 */

#define CMD_SLCADDR				0;		//Set Lower Column Address
#define CMD_SHCADDR 			1<<4;	//Set Higher Column Address

#define CMD_AHOR_SCROLL			0x2f;	//Activate horizontal scroll
#define CMD_DHOR_SCROLL			0x2e;	//Activate horizontal scroll

#define CMD_SCONSTRAST			0x81;	//Set Contrast Control Register

#define CMD_ENTIRE_ON			0xa4;	//Set Entire Display ON
#define CMD_ENTIRE_OFF			0xa5;	//Set Entire Display OFF

#define CMD_INVERSE_OFF			0xa6;	//Set Normal Display
#define CMD_INVERSE_ON			0xa7;	//Set Inverse Display

#define CMD_SMUL_RATIO			0xa8;	//Set Multiplex Ratio

#define CMD_TURN_ON				0xaf;	//Set Display ON
#define CMD_TURN_OFF			0xae;	//Set Display Off

#define CMD_SPAGE_ADDR			0xb<<4;	//Set Page Address

typedef struct _Command
{
	int command;
	int param;
	
	char * data;
	int len;
}_Command;