8H8K64U采集DS18B20温度传感器数据和OLED显示
8H8K64U采集DS18B20温度传感器数据并IIC通信OLED显示，实物图如下效果展示
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主函数代码
/*----------------------------------------------------------------*/
#include <STC8H.h>
#include <intrins.h>
#include "configurations.h"
#include "delay.h"
#include "DS18B20.h"
#include "oled.h" //OLED引脚定义、控制函数
//#include "bmp.h" //图片字模存放位置
//#include "logo.h" // picture position
/*-------------- GPIO initialize ------------------*/
void GPIO_Init();
void Display();
void main()
{
GPIO_Init();
OLED_Init(); //初始化OLED
OLED_ColorTurn(0); //0正常显示，1 反色显示
OLED_DisplayTurn(0); //0正常显示1 屏幕翻转显示
while(1)
{
OLED_ShowString(0,0,"Temp:",16);
Display(); //DS18B20 数据采集
OLED_ShowString(0,4,"ECNU",16); //显示字符串
OLED_ShowString(40,4,"2024/08/14",16);//显示字符串
OLED_ShowString(0,6,"Shanghai,China",16); //显示字符串
delay_ms(500); //延时
OLED_Clear(); //清屏
}
}
void GPIO_Init()
{
P0M1 = 0x00; P0M0 = 0x00;
P1M1 = 0x00; P1M0 = 0x00;
P2M1 = 0x00; P2M0 = 0x00;
P3M1 = 0x00; P3M0 = 0x00;
P4M1 = 0x00; P4M0 = 0x00;
P5M1 = 0x00; P5M0 = 0x00;
P6M1 = 0x00; P6M0 = 0x00;
P7M1 = 0x00; P7M0 = 0x00;
}
/*----------- Display temperature ----------------*/
void Display()
{
u8 ms = 3; // number of Delay_ms
u16 val;
u16 shi,ge,xiaoshu;
val = Readtemp();
shi = val/100;
ge = val/10%10;
xiaoshu = val%10;
if( MinusFlag==1 ) // negtive
{
OLED_ShowString(43,0,"-",16);
OLED_ShowNum(60,0,(u16)(shi),1,16);
OLED_ShowNum(70,0,(u16)(ge),1,16);
OLED_ShowString(80,0,".",16);
OLED_ShowNum(90,0,(u16)(xiaoshu),1,16);
OLED_ShowString(103,0,"C",16);
}
else // MinusFlag==0, positive
{
OLED_ShowString(43,0,"+",16);
OLED_ShowNum(60,0,(u16)(shi),1,16);
OLED_ShowNum(70,0,(u16)(ge),1,16);
OLED_ShowString(80,0,".",16);
OLED_ShowNum(90,0,(u16)(xiaoshu),1,16);
OLED_ShowString(103,0,"C",16);
}
}完整项目工程见附件。
谢谢分享资料 显示屏上字为啥是反的？ liulei 发表于 2024-8-24 08:51
显示屏上字为啥是反的？
是 OLED 屏幕的问题，代码是正常的 lijinlei 发表于 2024-8-26 12:59
是 OLED 屏幕的问题，代码是正常的
编错的代码更显示正确的吗{:lol:} 感谢分享
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