system.h

上学时做的一个51单片机按键显示程序

#ifndef INCLUDE_SYSTEM_H
#define INCLUDE_SYSTEM_H
#include "./init.h"
#include "./config.h"

/*
*/
#define TRUE   1
#define FALSE   0
#define UPLED_CLK		OCB /* Port P1_6 */
#define UPLED_DATA		OCC /* Port P1_7 */
#define DOWNLED_CLK		OCA /* Port P2_6 */
#define DOWNLED_DATA	ICA /* Port P2_7 */

/*lights defination */
#define L0	CPL932_ICB		  /*light 0  P2.0*/
#define L1	CPL932_OCD		  /*light 1*/
#define L2	CPL932_MOSI		  /*light 2*/
#define L3	CPL932_MISO		   /*light 3*/
#define L4	CPL932_SS		   /*light 4*/
#define L5	CPL932_SPICLK	  /*light 5*/



#define POSITION_UP		0x0  /* used in file display.c */
#define POSITION_DOWN	0x1

#define RESETLEDSHOWSTR() InitSysData()

#define Enter_Critical_OS()	 EA = 0
#define Exit_Critical_OS()   EA = 1 

/* system events define */
#define EVENT_LED_DOWN_UPDATE 0x01  /* update leds */
#define  EVENT_LED_UP_UPDATE 0x02
#define EVENT_I2C_DATA_SEND 0x04 
#define EVENT_I2C_DATA_RECV 0x08 
#define EVENT_SCREEN_SAVE  0x10 


#endif