智能型充电器的设计

潍坊学院本科毕业设计

开 始 初 始 化 设lr、X、Y初始值

lr—选取控制器 X—页面值，Y—列地址值

开 始 显 示 显示满16列？ N Y X+1 显示下半部分 N 满16列？ Y 汉显完成， 继续吗？ N Y 返 回 图3.3 汉字显示流程图

3.2 显示程序的设计

按上面的流程图，就可以进行显示程序的设计了。 具体程序如下：

#define EN 3 #define DI 4

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潍坊学院本科毕业设计

#define CSA 5 #define CSB 6 #define RW 7

unsigned char hzzhi[]={};//智 unsigned char hznen[]={};//能 unsigned char hzxin[]={};//型 unsigned char hzchong[]={};//充 unsigned char hzdian[]={};//电 unsigned char hzqi[]={};//器 unsigned char hzchi[]={};//池 unsigned char hzzhuang[]={};//状 unsigned char hztai[]={};//态 unsigned char hzya[]={};//压 unsigned char hzliu[]={};//流 unsigned char hzwen[]={};//温 unsigned char hzdu[]={};//度 unsigned char hzman[]={};//满 unsigned char hzjuan[]={};//涓 unsigned char hzkuai[]={};//快 unsigned char hzfang[]={};//放 unsigned char hznie[]={};//镍 unsigned char hzge[]={};//镉 unsigned char hzqing[]={};//氢 unsigned char hzli[]={};//锂 unsigned char DATA; //PORTB-->data

//PA3->EN;PA4->DI;PA5->CSA;PA6->CSB;PA7->RW; //写LCD指令

void WriteCom(unsigned char area,unsigned char com) {

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潍坊学院本科毕业设计

//area=0-->left;1-->mid;2-->right //area=[csa,csb]00:L 01:M 10:R unsigned char lcd_busy; switch(area) case 0:

PORTA &=~ (1<

PORTA &=~ (1<

PORTA |= (1<

PORTA |= (1<

PORTA &=~ (1<

PORTC &=~ (1<

PORTB=0xFF; PORTA |= (1<

PORTC |= (1<

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潍坊学院本科毕业设计

}while(lcd_busy==1); PORTC &=~ (1<

//写LCD数据

void WriteDat(unsigned char area,unsigned char dat) {

//area=0-->left;1-->mid;2-->right //area=[csa,csb]00:L 01:M 10:R unsigned char lcd_busy; switch(area) { case 0:

PORTA &=~ (1<

PORTA &=~ (1<

PORTA |= (1<

PORTA |= (1<

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