单片机光照度测量.doc

单片机光照度测量 编写C51程序，使用光照度/时钟实验板测量光照度，将照度结果显示到液晶屏上。 本实验使用的TSL257是光电信号转换型智能光敏感器件。 单电源供电：+2.7V～+6V； 输出电流：±10mA，工作电流典型值：1.9mA； 光谱响应范围：350nm～1000nm，主要集中在可见光的光谱范围内； 上升时间160μs，峰值响应：940nm； 工作温度：-25—+85℃； 光器件采用环境光过滤封装，可响应近红外光； 工作速度和灵敏度可选采，用环境光过滤封装，输出与光强成线性关系。 下面是我上机实验的结果： //字模方式：列行式，逆向，16*16 #include reg52.h #include intrins.h #define uchar unsigned char #define uint unsigned int #define LCD_databus P2//LCD 8bit data bus uchar num; sbit RS=P3^5;//寄存器选择信号 sbit RW=P3^4;//读/写操作选择信号，高电平读，低电平写 sbit EN=P3^3;//使能信号 sbit CS1=P1^7;//左半屏显示信号，低电平有效 sbit CS2=P1^6;//右半屏显示信号，低电平有效 uint loop=0; //页面 uint times=0;//延时计数 uchar code guang[]={0x40,0x40,0x42,0x44,0x58,0xC0,0x40,0x7F,0x40,0xC0,0x50,0x48,0x46,0x40,0x40,0x00,0x80,0x80,0x40,0x20,0x18,0x07,0x00,0x00,0x00,0x3F,0x40,0x40,0x40,0x40,0x78,0x00},/*光,0*/ uchar code zhao[]={0x00,0xFE,0x42,0x42,0x42,0xFE,0x00,0x42,0xA2,0x9E,0x82,0xA2,0xC2,0xBE,0x00,0x00,0x80,0x6F,0x08,0x08,0x28,0xCF,0x00,0x00,0x2F,0xC8,0x08,0x08,0x28,0xCF,0x00,0x00},/*照,1*/ uchar code qiang[]={0x02,0xE2,0x22,0x22,0x3E,0x00,0x80,0x9E,0x92,0x92,0xF2,0x92,0x92,0x9E,0x80,0x00,0x00,0x43,0x82,0x42,0x3E,0x40,0x47,0x44,0x44,0x44,0x7F,0x44,0x44,0x54,0xE7,0x00},/*强,2*/ uchar code du[]={0x00,0x00,0xFC,0x24,0x24,0x24,0xFC,0x25,0x26,0x24,0xFC,0x24,0x24,0x24,0x04,0x00,0x40,0x30,0x8F,0x80,0x84,0x4C,0x55,0x25,0x25,0x25,0x55,0x4C,0x80,0x80,0x80,0x00},/*度,3*/ uchar code wei[]={0x00,0x10,0x10,0x12,0x14,0x1C,0x10,0xF0,0x9F,0x10,0x10,0x10,0x10,0xF8,0x10,0x00,0x00,0x00,0x40,0x20,0x10,0x08,0x06,0x01,0x00,0x11,0x26,0x40,0x20,0x1F,0x00,0x00};/*为,4*/ uchar code mao[]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};/*：,5*/ uchar code ling[]={0x00,0x00,0x00,0xF8,0x04,0x02,0x02,0x02,0x02,0x02,0x04,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x40,0x40,0x40,0x40,0x40,0x20,0x1F,0x00,0x00,0x00,0x00};/*０,0*/ uchar code yi[]={0x00,0x00,0x00,0x00,0x00,0x08,0x04,0xFE,0x00,0x00,0x00,0x00,0x00,0x0