menuconstrast.c

来自「pdh控制程序」· C语言 代码 · 共 57 行

#ifndef _MENU_CONSTRAST_C_
#define _MENU_CONSTRAST_C_

#include "api.h"

#if _LCD_MENU_

#define DELAY  _nop_();_nop_();_nop_();

/*上升*/
void wiperUp(unsigned char cnt)
{
    unsigned char i;

    CS = 0;
    UD = 1;
    for(i=0;i<cnt;i++)
    {
        INC = 1; 
        DELAY;
        INC = 0;
        DELAY;
    }
}


/*下降*/
void wiperDown(unsigned char cnt)
{
    unsigned char i;

    CS = 0;
    UD = 0;
    for(i=0;i<cnt;i++)
    {
        INC = 1; 
        DELAY;
        INC = 0;
        DELAY;
    }
}    

/*不保存返回*/
void noStorReturn(void)
{
    INC = 0;
    CS = 0;
    DELAY;
    CS = 1;
    _nop_();
    CS = 0;
}

#endif

#endif