LM016L的显示程序

LM016L的显示程序 #include < reg51.h > #include < intrins.h > #define uchar unsigned char #define uint unsigned int sbit DQ = P2^7 ; //定义DS18B20端口DQ void reset(); //DS18B20复位函数 void write_byte(uchar val); //DS18B20写命令函数 uchar read_byte(void); //DS18B20读1字节函数 void read_temp(); //温度读取函数 void work_temp(); //温度数据处理函数 sbit BEEP=P2^5 ; //蜂鸣器驱动线 bit presence ; sbit LCD_RS = P3^5 ; sbit LCD_RW = P3^6 ; sbit LCD_EN = P3^7 ; uchar code cdis1[ ] = {" SETTEMP: 50.C "} ; uchar code cdis2[ ] = {" TESTTEMP: . C "} ; uchar code cdis3[ ] = {" DS18B20 ERR0R "} ; uchar code cdis4[ ] = {" PLEASE CHECK "} ; unsigned char data temp_data[2] = {0x00,0x00} ; unsigned char data display[5] = {0x00,0x00,0x00,0x00,0x00} ; unsigned char code ditab[16] = {0x00,0x01,0x01,0x02,0x03,0x03,0x04,0x05,0x06,0x06,0x07,0x08,0x08,0x09,0x09} ; void beep() ; unsigned char code mytab[8] = {0x0C,0x12,0x12,0x0C,0x00,0x00,0x00,0x00} ; #define delayNOP() ; {_nop_() ;_nop_() ;_nop_() ;_nop_() ;} ; /*******************************************************************/ void delay1(int ms) { unsigned char y ; while(ms--) { for(y = 0 ; y<250 ; y++) { _nop_() ; _nop_() ; _nop_() ; _nop_() ; } coefficient not greater than 1.3; High efficiency: control 1 hour travel time between any two points within the various groups within the area up to half an hour, 1-hour access to the airport, 45min reached the city's main traffic hub, external highway for half an hour with the main channels connecting bus 1.5 hours between any two groups of core areas; Intensive: 2030 transit share rate of around 35%, 2050 bus sharing rate of 45% per cent. 3rd chapter, Yibin city, traffic situation and General ... 3.1.1 city traffic status 1, external transport passenger and cargo traffic in Yibin city, traffic at the present main railway, highway, waterway and air four modes of passenger and freight transport, thereand cultural heritage, highlighting the cultural taste and shape characteristics of the city in Yibin. According to forecasts, vision 2050 population will reach 2.1 million people in the center of Yibin city, urban land is around 210km2. Figure 2.6-1 2050 figure 2.7 land use planning in the Center City, Yibin city development requires the development of bus rapid transit construction and socio-economic development trends, Yibin city coordination, supporting urban space layout and infrastructure networks, transport organized, internal and external traffic hub smoothly linking, realizing sustainable development of Yibin city integrated transportation system. Concrete can be summarized as, accessible, efficient, intensive and sustainable. Accessibility: Central built-up area road network density of about 7.0km/km2; bus line density of 3-4 km/km2, bus transfer } } /******************************************************************/ /*检查LCD忙状态 */ /*lcd_busy为1时，忙，等待。lcd-busy为0时,闲，可写指令与数据。 */ /******************************************************************/ bit lcd_busy() { bit result ; LCD_RS = 0 ; LCD_RW = 1 ; LCD_EN = 1 ; delayNOP() ; result = (bit)(P1&0x80) ; LCD_EN = 0 ; return(result) ; } /*写指令数据到LCD */ /*RS=L，RW=L，E=高脉冲，D0-D7=指令码。 */ /*******************************************************************/ void lcd_wcmd(uchar cmd) { while(lcd_busy()) ; LCD_RS = 0 ; LCD_RW = 0 ; LCD_EN = 0 ; _nop_() ; _nop_() ; P1 = cmd ; delayNOP() ; LCD_EN = 1 ; delayNOP() ; LCD_EN = 0 ; } /*******************************************************************/ /*写显示数据到LCD */ /*RS=H，RW=L，E=高脉冲，D0-D7=数据。 */ /*******************************************************************/ void lcd_wdat(uchar dat) { while(lcd_busy()) ; LCD_RS = 1 ; LCD_RW = 0 ; coefficient not greater than 1.3; High efficiency: control 1 hour travel time between any two points within the various groups within the area up to half an hour, 1-hour access to the airport, 45min reached the city's main traffic hub, external highway for half an hour with the main channels connecting bus 1.5 hours between any two groups of core areas; Intensive: 2030 transit share rate of around 35%, 2050 bus sharing rate of 45% per cent. 3rd chapter, Yibin city, traffic situation and General ... 3.1.1 city traffic status 1, external transport passenger and cargo traffic in Yibin city, traffic at the present main railway, highway, waterway and air four modes of passenger and freight transport, thereand cultural heritage, highlighting the cultural taste and shape characteristics of the city in Yibin. According to forecasts, vision 2050 population will reach 2.1 million people in the center of Yibin city, urban land is around 210km2. Figure 2.6-1 2050 figure 2.7 land use planning in the Center City, Yibin city development requires the development of bus rapid transit construction and socio-economic development trends, Yibin city coordination, supporting urban space layout and infrastructure networks, transport organized, internal and external traffic hub smoothly linking, realizing sustainable development of Yibin city integrated transportation system. Concrete can be summarized as, accessible, efficient, intensive and sustainable. Accessibility: Central built-up area road network density of about 7.0km/km2; bus line density of 3-4 km/km2, bus transfer LCD_EN = 0 ; P1 = dat ; delayNOP() ; LCD_EN = 1 ; delayNOP() ; LCD_EN = 0 ; } /* LCD初始化设定 */ /*******************************************************************/ void lcd_init() { delay1(15) ; lcd_wcmd(0x01) ; //清除LCD的显示内容 lcd_wcmd(0x38) ; //16*2显示，5*7点阵，8位数据 delay1(5) ; lcd_wcmd(0x38) ; delay1(5) ; lcd_wcmd(0x38) ; delay1(5) ; lcd_wcmd(0x0c) ; //显示开，关光标 delay1(5) ; lcd_wcmd(0x06) ; //移动光标 delay1(5) ; lcd_wcmd(0x01) ; //清除LCD的显示内容 delay1(5) ; } /* 设定显示位置 */ /*******************************************************************/ void lcd_pos(uchar pos) { lcd_wcmd(pos | 0x80) ; //数据指针=80+地址变量 } /*自定义字符写入CGRAM */ /*******************************************************************/ void writetab() { unsigned char i ; lcd_wcmd(0x40) ; //写CGRAM for (i = 0 ; i< 8 ; i++) lcd_wdat(mytab[ i ]) ; } coefficient not greater than 1.3; High efficiency: control 1 hour travel time between any two points within the various groups within the area up to half an hour, 1-hour access to the airport, 45min reached the city's main traffic hub, external highway for half an hour with the main channels connecting bus 1.5 hours between any two groups of core areas; Intensive: 2030 transit share rate of around 35%, 2050 bus sharing rate of 45% per cent. 3rd chapter, Yibin city, traffic situation and General ... 3.1.1 city traffic status 1, external transport passenger and cargo traffic in Yibin city, traffic at the present main railway, highway, waterway and air four modes of passenger and freight transport, thereand cultural heritage, highlighting the cultural taste and shape characteristics of the city in Yibin. According to forecasts, vision 2050 population will reach 2.1 million people in the center of Yibin city, urban land is around 210km2. Figure 2.6-1 2050 figure 2.7 land use planning in the Center City, Yibin city development requires the development of bus rapid transit construction and socio-economic development trends, Yibin city coordination, supporting urban space layout and infrastructure networks, transport organized, internal and external traffic hub smoothly linking, realizing sustainable development of Yibin city integrated transportation system. Concrete can be summarized as, accessible, efficient, intensive and sustainable. Accessibility: Central built-up area road network density of about 7.0km/km2; bus line density of 3-4 km/km2, bus transfer /*us级延时函数 */ /*******************************************************************/ void Delay(unsigned int num) { while( --num ) ; } /*初始化ds1820 */ /*******************************************************************/ Init_DS18B20(void) { DQ = 1 ; //DQ复位 Delay(8) ; //稍做延时 DQ = 0 ; //单片机将DQ拉低 Delay(90) ; //精确延时 大于 480us DQ = 1 ; //拉高总线 Delay(8) ; presence = DQ ; //如果=0则初始化成功 =1则初始化失败 Delay(100) ; DQ = 1 ; return(presence) ; //返回信号，0=presence,1= no presence } /* 读一个字节 */ /*******************************************************************/ ReadOneChar(void) { unsigned char i = 0 ; unsigned char dat = 0 ; for (i = 8 ; i > 0 ; i--) { DQ = 0 ; // 给脉冲信号 dat >>= 1 ; DQ = 1 ; // 给脉冲信号 if(DQ) dat |= 0x80 ; Delay(4) ; } return (dat) ; } coefficient not greater than 1.3; High efficiency: control 1 hour travel time between any two points within the various groups within the area up to half an hour, 1-hour access to the airport, 45min reached the city's main traffic hub, external highway for half an hour with the main channels connecting bus 1.5 hours between any two groups of core areas; Intensive: 2030 transit share rate of around 35%, 2050 bus sharing rate of 45% per cent. 3rd chapter, Yibin city, traffic situation and General ... 3.1.1 city traffic status 1, external transport passenger and cargo traffic in Yibin city, traffic at the present main railway, highway, waterway and air four modes of passenger and freight transport, thereand cultural heritage, highlighting the cultural taste and shape characteristics of the city in Yibin. According to forecasts, vision 2050 population will reach 2.1 million people in the center of Yibin city, urban land is around 210km2. Figure 2.6-1 2050 figure 2.7 land use planning in the Center City, Yibin city development requires the development of bus rapid transit construction and socio-economic development trends, Yibin city coordination, supporting urban space layout and infrastructure networks, transport organized, internal and external traffic hub smoothly linking, realizing sustainable development of Yibin city integrated transportation system. Concrete can be summarized as, accessible, efficient, intensive and sustainable. Accessibility: Central built-up area road network density of about 7.0km/km2; bus line density of 3-4 km/km2, bus transfer /* 写一个字节 */ /*******************************************************************/ WriteOneChar(unsigned char dat) { unsigned char i = 0 ; for (i = 8 ; i > 0 ; i--) { DQ = 0 ; DQ = dat&0x01 ; Delay(5) ; DQ = 1 ; dat>>=1 ; } } /* 读取温度 */ /*******************************************************************/ Read_Temperature(void) { Init_DS18B20() ; WriteOneChar(0xCC) ; // 跳过读序号列号的操作 WriteOneChar(0x44) ; // 启动温度转换 Init_DS18B20() ; WriteOneChar(0xCC) ; //跳过读序号列号的操作 WriteOneChar(0xBE) ; //读取温度寄存器 temp_data[0] = ReadOneChar() ; //温度低8位 temp_data[1] = ReadOneChar() ; //温度高8位 } /* 数据转换与温度显示 */ /*******************************************************************/ Disp_Temperature() { display[4]=temp_data[0]&0x0f ; display[0]=ditab[display[4]]+0x30 ; //查得小数位的值 display[4]=((temp_data[0]&0xf0)>>4)|((temp_data[1]&0x0f)<<4) ; display[3]=display[4]/100+0x30 ; display[1]=display[4]%100 ; display[2]=display[1]/10+0x30 ; display[1]=display[1]%10+0x30 ; if(display[3]==0x30) //高位为0，不显示 { coefficient not greater than 1.3; High efficiency: control 1 hour travel time between any two points within the various groups within the area up to half an hour, 1-hour access to the airport, 45min reached the city's main traffic hub, external highway for half an hour with the main channels connecting bus 1.5 hours between any two groups of core areas; Intensive: 2030 transit share rate of around 35%, 2050 bus sharing rate of 45% per cent. 3rd chapter, Yibin city, traffic situation and General ... 3.1.1 city traffic status 1, external transport passenger and cargo traffic in Yibin city, traffic at the present main railway, highway, waterway and air four modes of passenger and freight transport, thereand cultural heritage, highlighting the cultural taste and shape characteristics of the city in Yibin. According to forecasts, vision 2050 population will reach 2.1 million people in the center of Yibin city, urban land is around 210km2. Figure 2.6-1 2050 figure 2.7 land use planning in the Center City, Yibin city development requires the development of bus rapid transit construction and socio-economic development trends, Yibin city coordination, supporting urban space layout and infrastructure networks, transport organized, internal and external traffic hub smoothly linking, realizing sustainable development of Yibin city integrated transportation system. Concrete can be summarized as, accessible, efficient, intensive and sustainable. Accessibility: Central built-up area road network density of about 7.0km/km2; bus line density of 3-4 km/km2, bus transfer display[3]=0x20 ; if(display[2]==0x30) //次高位为0，不显示 display[2]=0x20 ; } lcd_pos(0x48) ; lcd_wdat(display[3]) ; //百位数显示 lcd_pos(0x49) ; lcd_wdat(display[2]) ; //十位数显示 lcd_pos(0x4a) ; lcd_wdat(display[1]) ; //个位数显示 lcd_pos(0x4c) ; lcd_wdat(display[0]) ; //小数位数显示 } /*******************************************************************/ /* 蜂鸣器响一声 */ /*******************************************************************/ void beep() { unsigned char y ; for (y=0 ;y<100 ;y++) { Delay(60) ; BEEP=!BEEP ; //BEEP取反 } BEEP=1 ; //关闭蜂鸣器 Delay(40000) ; } /* DS18B20 OK 显示菜单 */ /*******************************************************************/ void Ok_Menu () { uchar m ; lcd_init() ; //初始化LCD lcd_pos(0) ; //设置显示位置为第一行的第1个字符 m = 0 ; while(cdis1[m] != '\0') { //显示字符 lcd_wdat(cdis1[m]) ; m++ ; } coefficient not greater than 1.3; High efficiency: control 1 hour travel time between any two points within the various groups within the area up to half an hour, 1-hour access to the airport, 45min reached the city's main traffic hub, external highway for half an hour with the main channels connecting bus 1.5 hours between any two groups of core areas; Intensive: 2030 transit share rate of around 35%, 2050 bus sharing rate of 45% per cent. 3rd chapter, Yibin city, traffic situation and General ... 3.1.1 city traffic status 1, external transport passenger and cargo traffic in Yibin city, traffic at the present main railway, highway, waterway and air four modes of passenger and freight transport, thereand cultural heritage, highlighting the cultural taste and shape characteristics of the city in Yibin. According to forecasts, vision 2050 population will reach 2.1 million people in the center of Yibin city, urban land is around 210km2. Figure 2.6-1 2050 figure 2.7 land use planning in the Center City, Yibin city development requires the development of bus rapid transit construction and socio-economic development trends, Yibin city coordination, supporting urban space layout and infrastructure networks, transport organized, internal and external traffic hub smoothly linking, realizing sustainable development of Yibin city integrated transportation system. Concrete can be summarized as, accessible, efficient, intensive and sustainable. Accessibility: Central built-up area road network density of about 7.0km/km2; bus line density of 3-4 km/km2, bus transfer lcd_pos(0x40) ; //设置显示位置为第二行的第1个字符 m = 0 ; while(cdis2[m] != '\0') { lcd_wdat(cdis2[m]) ; //显示字符 m++ ; } writetab() ; //自定义字符写入CGRAM delay1(5) ; lcd_pos(0x4d) ; lcd_wdat(0x00) ; //显示自定义字符 } /* DS18B20 ERROR 显示菜单 */ /*******************************************************************/ void Error_Menu () { uchar m ; lcd_init() ; //初始化LCD lcd_pos(0) ; //设置显示位置为第一行的第1个字符 m = 0 ; while(cdis3[m] != '\0') { //显示字符 lcd_wdat(cdis3[m]) ; m++ ; } lcd_pos(0x40) ; //设置显示位置为第二行的第1个字符 m = 0 ; while(cdis4[m] != '\0') { lcd_wdat(cdis4[m]) ; //显示字符 m++ ; } } /* 主函数 */ /************************************/ void main() { Ok_Menu () ; do { coefficient not greater than 1.3; High efficiency: control 1 hour travel time between any two points within the various groups within the area up to half an hour, 1-hour access to the airport, 45min reached the city's main traffic hub, external highway for half an hour with the main channels connecting bus 1.5 hours between any two groups of core areas; Intensive: 2030 transit share rate of around 35%, 2050 bus sharing rate of 45% per cent. 3rd chapter, Yibin city, traffic situation and General ... 3.1.1 city traffic status 1, external transport passenger and cargo traffic in Yibin city, traffic at the present main railway, highway, waterway and air four modes of passenger and freight transport, thereand cultural heritage, highlighting the cultural taste and shape characteristics of the city in Yibin. According to forecasts, vision 2050 population will reach 2.1 million people in the center of Yibin city, urban land is around 210km2. Figure 2.6-1 2050 figure 2.7 land use planning in the Center City, Yibin city development requires the development of bus rapid transit construction and socio-economic development trends, Yibin city coordination, supporting urban space layout and infrastructure networks, transport organized, internal and external traffic hub smoothly linking, realizing sustainable development of Yibin city integrated transportation system. Concrete can be summarized as, accessible, efficient, intensive and sustainable. Accessibility: Central built-up area road network density of about 7.0km/km2; bus line density of 3-4 km/km2, bus transfer Read_Temperature() ; Disp_Temperature() ; } while(!presence) ; Error_Menu () ; do { Init_DS18B20() ; beep() ; } while(presence) ; } coefficient not greater than 1.3; High efficiency: control 1 hour travel time between any two points within the various groups within the area up to half an hour, 1-hour access to the airport, 45min reached the city's main traffic hub, external highway for half an hour with the main channels connecting bus 1.5 hours between any two groups of core areas; Intensive: 2030 transit share rate of around 35%, 2050 bus sharing rate of 45% per cent. 3rd chapter, Yibin city, traffic situation and General ... 3.1.1 city traffic status 1, external transport passenger and cargo traffic in Yibin city, traffic at the present main railway, highway, waterway and air four modes of passenger and freight transport, thereand cultural heritage, highlighting the cultural taste and shape characteristics of the city in Yibin. According to forecasts, vision 2050 population will reach 2.1 million people in the center of Yibin city, urban land is around 210km2. Figure 2.6-1 2050 figure 2.7 land use planning in the Center City, Yibin city development requires the development of bus rapid transit construction and socio-economic development trends, Yibin city coordination, supporting urban space layout and infrastructure networks, transport organized, internal and external traffic hub smoothly linking, realizing sustainable development of Yibin city integrated transportation system. Concrete can be summarized as, accessible, efficient, intensive and sustainable. Accessibility: Central built-up area road network density of about 7.0km/km2; bus line density of 3-4 km/km2, bus transfer