STM8.zip_STM8显示_Stm8与Lcd1602_stm8_stm8 lcd1602_stm8 显示

#include "stm8s105c6.h" #include "lcd1602.h" u8 LCDtemp1602; void InitDelayLCD1602(void) { u8 temp,i=1; LCDtemp1602 =1; temp =(CLK_CKDIVR&0X18)>>3; i=temp; while(i--) temp = temp<<1; LCDtemp1602 =16/temp; //LCDtemp1602 =LCDtemp1602<<1; } /* =================================================== 函数:void DelayUS1602(u16 xus) 参数:u16 xus:延时xus微秒 输出:无 说明:延时时函数,主频16M =================================================== */ void DelayUS1602(u16 xus) { u8 temp; xus = xus >>3; while(xus--) { for(temp = 0;temp <=LCDtemp1602; temp ++); } /* #pragma asm PUSHW X DELAY_LOOP: NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP DECW X JRNE DELAY_LOOP POPW X #pragma endasm*/ } /* =================================================== 函数:void DelayMS1602(u16 xms) 参数:u16 xms:延时xms毫秒 输出:无 说明:延时时函数,主频16M =================================================== */ void DelayMS1602(u16 xms) { u16 j; for(j=xms;j>0;j--) DelayUS1602(1000); } /* =================================================== 函数:u8 LCD1602_Check_Cusy(void) 参数:无 输出:u8 i:i=0时数据线空闲；i=1时数据线忙 说明:判断数据线是否空闲 =================================================== */ u8 LCD1602_Check_Cusy(void) { u16 time=0; u8 i=0; LCD_RS=0; LCD_RW=0; LCD_EN=0; while((LCD1602_DB&0x80)!=0x00) { time++; if(time>1000) //实际测量会遇到有些型号的液晶BF一直为高，如果等待超时跳出循环 i=1; } return i; } /* =================================================== 函数:void LCD1602_Write_Command(u8 dat) 参数:u8 dat:写入RAM区的8位命令 输出:无 说明:写命令操作 =================================================== */ void LCD1602_Write_Command(u8 dat) { LCD1602_DB=dat; LCD_RS=0;//指令 LCD_RW=0;//写入 LCD_EN=1;//允许 LCD_EN=0; DelayMS1602(1); } /* =================================================== 函数:void LCD1602_Write_Data(u8 dat) 参数:u8 dat: 写入LCD1602的8位数据 输出:无 说明:写数据操作 =================================================== */ void LCD1602_Write_Data(u8 dat) { LCD1602_DB=dat; LCD_RS=1;//数据 LCD_RW=0;//写入 LCD_EN=1;//允许 LCD_EN=0; DelayMS1602(1); } /* =================================================== 函数:void LCD1602_Disp_Char(u8 x,u8 y,u8 dat) 参数:u8 x:显示的行坐标;u8 y:显示的列坐标;u8 dat:显示的字符 输出:无 说明:显示静态单个字符 =================================================== */ void LCD1602_Disp_Char(u8 x,u8 y,u8 dat) { u8 address; if(y==1) address=0x80+x; else address=0xc0+x; LCD1602_Write_Command(address); LCD1602_Write_Data(dat); } /* =================================================== 函数:void LCD1602_Disp_String(u8 x,u8 y,u8 *str) 参数:u8 x:显示字符串的起始行坐标,u8 y:显示字符串的起始列坐标;u8 *str:显示的字符串 输出:无 说明:字符串显示 =================================================== */ void LCD1602_Disp_String(u8 x,u8 y,u8 *str) { u8 address; if(y==1) address=0x80+x; else address=0xc0+x; LCD1602_Write_Command(address); while(*str) { LCD1602_Write_Data(*str); str++; } } /* =================================================== 函数:void LCD_Disp_Num(u8 x,u8 y,u16 number) 参数:u8 x:显示数字的起始行坐标:u8 y:显示数字的起始列坐标;u16 number:显示的的数字 输出:无 说明:显示数字，小于65536 =================================================== */ void LCD1602_Disp_Num(u8 x,u8 y,u16 number) { u8 address; if(y==1) address=0x80+x; else address=0xc0+x; LCD1602_Write_Command(address); if(number/10000 != 0) { LCD1602_Write_Data(0x30 + number/10000); LCD1602_Write_Data(0x30 + number%10000/1000); LCD1602_Write_Data(0x30 + number%1000/100); LCD1602_Write_Data(0x30 + number%100/10); LCD1602_Write_Data(0x30 + number%10); } else if(number/1000 != 0) { LCD1602_Write_Data(0x30 + number/1000); LCD1602_Write_Data(0x30 + number%1000/100); LCD1602_Write_Data(0x30 + number%100/10); LCD1602_Write_Data(0x30 + number%10); } else if(number/100 != 0) { LCD1602_Write_Data(0x30 + number/100); LCD1602_Write_Data(0x30 + number%100/10); LCD1602_Write_Data(0x30 + number%10); } else if(number/10 != 0) { LCD1602_Write_Data(0x30 + number/10); LCD1602_Write_Data(0x30 + number%10); } else LCD1602_Write_Data(0x30 + number); } /* =================================================== 函数:void LCD1602_Init(void) 参数:无 输出:无 说明:LCD1602初始化函数 =================================================== */ void LCD1602_Init(void) { LCD1602_Write_Command(0x38);//设置8位格式，2行，5x7 LCD1602_Write_Command(0x0c);//整体显示，关光标，不闪烁 LCD1602_Write_Command(0x06);//设定输入方式，增量不移位 LCD1602_Write_Command(0x01);//清除屏幕显示 InitDelayLCD1602(); DelayUS1602(10); }