diff --git a/Keil Code/Last/STARTUP.A51 b/Keil Code/Last/STARTUP.A51 new file mode 100644 index 0000000..ec99b9e --- /dev/null +++ b/Keil Code/Last/STARTUP.A51 @@ -0,0 +1,198 @@ +$NOMOD51 +;------------------------------------------------------------------------------ +; This file is part of the C51 Compiler package +; Copyright (c) 1988-2005 Keil Elektronik GmbH and Keil Software, Inc. +; Version 8.01 +; +; *** <<< Use Configuration Wizard in Context Menu >>> *** +;------------------------------------------------------------------------------ +; STARTUP.A51: This code is executed after processor reset. +; +; To translate this file use A51 with the following invocation: +; +; A51 STARTUP.A51 +; +; To link the modified STARTUP.OBJ file to your application use the following +; Lx51 invocation: +; +; Lx51 your object file list, STARTUP.OBJ controls +; +;------------------------------------------------------------------------------ +; +; User-defined Power-On Initialization of Memory +; +; With the following EQU statements the initialization of memory +; at processor reset can be defined: +; +; IDATALEN: IDATA memory size <0x0-0x100> +; Note: The absolute start-address of IDATA memory is always 0 +; The IDATA space overlaps physically the DATA and BIT areas. +IDATALEN EQU 80H +; +; XDATASTART: XDATA memory start address <0x0-0xFFFF> +; The absolute start address of XDATA memory +XDATASTART EQU 0 +; +; XDATALEN: XDATA memory size <0x0-0xFFFF> +; The length of XDATA memory in bytes. +XDATALEN EQU 0 +; +; PDATASTART: PDATA memory start address <0x0-0xFFFF> +; The absolute start address of PDATA memory +PDATASTART EQU 0H +; +; PDATALEN: PDATA memory size <0x0-0xFF> +; The length of PDATA memory in bytes. +PDATALEN EQU 0H +; +; +;------------------------------------------------------------------------------ +; +; Reentrant Stack Initialization +; +; The following EQU statements define the stack pointer for reentrant +; functions and initialized it: +; +; Stack Space for reentrant functions in the SMALL model. +; IBPSTACK: Enable SMALL model reentrant stack +; Stack space for reentrant functions in the SMALL model. +IBPSTACK EQU 0 ; set to 1 if small reentrant is used. +; IBPSTACKTOP: End address of SMALL model stack <0x0-0xFF> +; Set the top of the stack to the highest location. +IBPSTACKTOP EQU 0xFF +1 ; default 0FFH+1 +; +; +; Stack Space for reentrant functions in the LARGE model. +; XBPSTACK: Enable LARGE model reentrant stack +; Stack space for reentrant functions in the LARGE model. +XBPSTACK EQU 0 ; set to 1 if large reentrant is used. +; XBPSTACKTOP: End address of LARGE model stack <0x0-0xFFFF> +; Set the top of the stack to the highest location. +XBPSTACKTOP EQU 0xFFFF +1 ; default 0FFFFH+1 +; +; +; Stack Space for reentrant functions in the COMPACT model. +; PBPSTACK: Enable COMPACT model reentrant stack +; Stack space for reentrant functions in the COMPACT model. +PBPSTACK EQU 0 ; set to 1 if compact reentrant is used. +; +; PBPSTACKTOP: End address of COMPACT model stack <0x0-0xFFFF> +; Set the top of the stack to the highest location. +PBPSTACKTOP EQU 0xFF +1 ; default 0FFH+1 +; +; +;------------------------------------------------------------------------------ +; +; Memory Page for Using the Compact Model with 64 KByte xdata RAM +; Compact Model Page Definition +; +; Define the XDATA page used for PDATA variables. +; PPAGE must conform with the PPAGE set in the linker invocation. +; +; Enable pdata memory page initalization +PPAGEENABLE EQU 0 ; set to 1 if pdata object are used. +; +; PPAGE number <0x0-0xFF> +; uppermost 256-byte address of the page used for PDATA variables. +PPAGE EQU 0 +; +; SFR address which supplies uppermost address byte <0x0-0xFF> +; most 8051 variants use P2 as uppermost address byte +PPAGE_SFR DATA 0A0H +; +; +;------------------------------------------------------------------------------ + +; Standard SFR Symbols +ACC DATA 0E0H +B DATA 0F0H +SP DATA 81H +DPL DATA 82H +DPH DATA 83H + + NAME ?C_STARTUP + + +?C_C51STARTUP SEGMENT CODE +?STACK SEGMENT IDATA + + RSEG ?STACK + DS 1 + + EXTRN CODE (?C_START) + PUBLIC ?C_STARTUP + + CSEG AT 0 +?C_STARTUP: LJMP STARTUP1 + + RSEG ?C_C51STARTUP + +STARTUP1: + +IF IDATALEN <> 0 + MOV R0,#IDATALEN - 1 + CLR A +IDATALOOP: MOV @R0,A + DJNZ R0,IDATALOOP +ENDIF + +IF XDATALEN <> 0 + MOV DPTR,#XDATASTART + MOV R7,#LOW (XDATALEN) + IF (LOW (XDATALEN)) <> 0 + MOV R6,#(HIGH (XDATALEN)) +1 + ELSE + MOV R6,#HIGH (XDATALEN) + ENDIF + CLR A +XDATALOOP: MOVX @DPTR,A + INC DPTR + DJNZ R7,XDATALOOP + DJNZ R6,XDATALOOP +ENDIF + +IF PPAGEENABLE <> 0 + MOV PPAGE_SFR,#PPAGE +ENDIF + +IF PDATALEN <> 0 + MOV R0,#LOW (PDATASTART) + MOV R7,#LOW (PDATALEN) + CLR A +PDATALOOP: MOVX @R0,A + INC R0 + DJNZ R7,PDATALOOP +ENDIF + +IF IBPSTACK <> 0 +EXTRN DATA (?C_IBP) + + MOV ?C_IBP,#LOW IBPSTACKTOP +ENDIF + +IF XBPSTACK <> 0 +EXTRN DATA (?C_XBP) + + MOV ?C_XBP,#HIGH XBPSTACKTOP + MOV ?C_XBP+1,#LOW XBPSTACKTOP +ENDIF + +IF PBPSTACK <> 0 +EXTRN DATA (?C_PBP) + MOV ?C_PBP,#LOW PBPSTACKTOP +ENDIF + + MOV SP,#?STACK-1 + +; This code is required if you use L51_BANK.A51 with Banking Mode 4 +; Code Banking +; Select Bank 0 for L51_BANK.A51 Mode 4 +#if 0 +; Initialize bank mechanism to code bank 0 when using L51_BANK.A51 with Banking Mode 4. +EXTRN CODE (?B_SWITCH0) + CALL ?B_SWITCH0 ; init bank mechanism to code bank 0 +#endif +; + LJMP ?C_START + + END diff --git a/Keil Code/Last/ds1302.c b/Keil Code/Last/ds1302.c new file mode 100644 index 0000000..802362c --- /dev/null +++ b/Keil Code/Last/ds1302.c @@ -0,0 +1,156 @@ +/****************************************************************************** + * 文件名：ds1302.c + * 功能：DS1302 实时时钟驱动 + * 说明：提供读写 DS1302 的底层函数，以及时间和闹钟参数的存取。 + * 时间以 BCD 码格式存储于 TIME 数组中。 + * 硬件接口：DSIO=P3^4，RST=P3^5，SCLK=P3^6 + * 编译器：Keil C51 + ******************************************************************************/ + +#include"ds1302.h" + +/* DS1302 读写地址（存储顺序：秒、分、时、日、月、周、年） */ +uchar code READ_RTC_ADDR[7] = {0x81, 0x83, 0x85, 0x87, 0x89, 0x8b, 0x8d}; +uchar code WRITE_RTC_ADDR[7] = {0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c}; + +/* DS1302 默认时间：2013 年 1 月 1 日 星期二 12:00:00 */ +/* 存储顺序：秒、分、时、日、月、周、年（BCD 码） */ +uchar TIME[7] = {0, 0, 0x12, 0x01, 0x01, 0x02, 0x13}; + +/****************************************************************************** + * 函数名：Ds1302Write + * 功能：向 DS1302 写入一字节数据（先写地址，再写数据） + * 输入：addr = 寄存器地址，dat = 要写入的数据 + * 输出：无 + * 时序：RST 置高 → 写入 8 位地址（低位在前）→ 写入 8 位数据（低位在前）→ RST 置低 + ******************************************************************************/ +void Ds1302Write(uchar addr, uchar dat) +{ + uchar n; + + RST = 0; + _nop_(); + + SCLK = 0; /* 时钟先置低 */ + _nop_(); + RST = 1; /* 使能 DS1302 */ + _nop_(); + + for(n = 0; n < 8; n++) /* 发送 8 位地址（低位在前） */ + { + DSIO = addr & 0x01; /* 输出当前位 */ + addr >>= 1; + SCLK = 1; /* 时钟上升沿，DS1302 锁存数据 */ + _nop_(); + SCLK = 0; + _nop_(); + } + + for(n = 0; n < 8; n++) /* 发送 8 位数据（低位在前） */ + { + DSIO = dat & 0x01; + dat >>= 1; + SCLK = 1; + _nop_(); + SCLK = 0; + _nop_(); + } + + RST = 0; /* 结束通信 */ + _nop_(); +} + +/****************************************************************************** + * 函数名：Ds1302Read + * 功能：从 DS1302 读取一字节数据（先写地址，再读数据） + * 输入：addr = 寄存器地址 + * 输出：返回读取到的数据 + * 时序：RST 置高 → 写入 8 位地址（低位在前）→ 读取 8 位数据（高位在前）→ RST 置低 + ******************************************************************************/ +uchar Ds1302Read(uchar addr) +{ + uchar n, dat, dat1; + + RST = 0; + _nop_(); + + SCLK = 0; /* 时钟先置低 */ + _nop_(); + RST = 1; /* 使能 DS1302 */ + _nop_(); + + for(n = 0; n < 8; n++) /* 发送 8 位地址（低位在前） */ + { + DSIO = addr & 0x01; + addr >>= 1; + SCLK = 1; + _nop_(); + SCLK = 0; /* 下降沿后 DS1302 输出数据 */ + _nop_(); + } + _nop_(); + + for(n = 0; n < 8; n++) /* 读取 8 位数据（高位在前） */ + { + dat1 = DSIO; /* 采样数据线 */ + dat = (dat >> 1) | (dat1 << 7); /* 高位在前，依次移入 */ + SCLK = 1; + _nop_(); + SCLK = 0; + _nop_(); + } + + RST = 0; /* 结束通信 */ + _nop_(); + + SCLK = 1; /* 确保时序完整 */ + _nop_(); + DSIO = 0; + _nop_(); + DSIO = 1; + _nop_(); + + return dat; +} + +/****************************************************************************** + * 函数名：Ds1302Init + * 功能：初始化 DS1302 时钟芯片 + * 输入：无 + * 输出：无 + * 说明：检查秒寄存器的 CH 位。如果 CH=1 表示时钟停止（首次上电）， + * 则关闭写保护并写入默认时间；如果 CH=0 表示时钟已在运行，跳过初始化。 + ******************************************************************************/ +void Ds1302Init() +{ + uchar n; + uchar sec; + + sec = Ds1302Read(0x81); /* 读取秒寄存器，检查 CH 位（最高位） */ + if(!(sec & 0x80)) /* CH=0：时钟正在运行，无需初始化 */ + return; + + /* CH=1：时钟停止，系统首次上电，写入默认时间 */ + Ds1302Write(0x8E, 0x00); /* 关闭写保护 */ + for(n = 0; n < 7; n++) + { + Ds1302Write(WRITE_RTC_ADDR[n], TIME[n]); + } + Ds1302Write(0x8E, 0x80); /* 开启写保护 */ +} + +/****************************************************************************** + * 函数名：Ds1302ReadTime + * 功能：读取 DS1302 当前时间到 TIME 数组 + * 输入：无 + * 输出：无（结果存入全局 TIME 数组） + ******************************************************************************/ +void Ds1302ReadTime() +{ + uchar n; + + for(n = 0; n < 7; n++) + { + TIME[n] = Ds1302Read(READ_RTC_ADDR[n]); + } +} diff --git a/Keil Code/Last/ds1302.h b/Keil Code/Last/ds1302.h new file mode 100644 index 0000000..919760d --- /dev/null +++ b/Keil Code/Last/ds1302.h @@ -0,0 +1,37 @@ +/****************************************************************************** + * 文件名：ds1302.h + * 功能：DS1302 实时时钟驱动头文件 + * 硬件接口：DSIO = P3^4，RST = P3^5，SCLK = P3^6 + * 编译器：Keil C51 + ******************************************************************************/ + +#ifndef __DS1302_H_ +#define __DS1302_H_ + +#include +#include + +/* 自定义数据类型 */ +#ifndef uchar +#define uchar unsigned char +#endif + +#ifndef uint +#define uint unsigned int +#endif + +/* DS1302 引脚定义 */ +sbit DSIO = P3^4; /* 数据线 */ +sbit RST = P3^5; /* 复位/使能引脚（CE） */ +sbit SCLK = P3^6; /* 串行时钟线 */ + +/* 函数声明 */ +void Ds1302Write(uchar addr, uchar dat); /* 向 DS1302 写入一字节数据 */ +uchar Ds1302Read(uchar addr); /* 从 DS1302 读取一字节数据 */ +void Ds1302Init(void); /* 初始化 DS1302 时钟芯片 */ +void Ds1302ReadTime(void); /* 读取当前时间到 TIME 数组 */ + +/* 外部全局变量 */ +extern uchar TIME[7]; /* 时间缓冲区：秒、分、时、日、月、周、年（BCD 码） */ + +#endif diff --git a/Keil Code/Last/ds18b20.c b/Keil Code/Last/ds18b20.c new file mode 100644 index 0000000..cfe376d --- /dev/null +++ b/Keil Code/Last/ds18b20.c @@ -0,0 +1,109 @@ +#include "ds18b20.h" + +/* + * ????????DS18B20_Reset + * ???? ????λDS18B20???????????? + * ???? ???? + * ??? ??1=?????0=?????? + */ +bit DS18B20_Reset(void) +{ + unsigned int i; + unsigned char presence; + + DS18B20_DQ = 0; /* ????????480~960us */ + for(i=250; i>0; i--); /* DJNZ???: 250*2=500us */ + DS18B20_DQ = 1; /* ????????DS18B20????15~60us??????60~240us */ + for(i=10; i>0; i--); /* DJNZ: 10*2=20us, ?????????? */ + + presence = DS18B20_DQ; /* ???????????(0=?????1=??????) */ + + for(i=200; i>0; i--); /* DJNZ: 200*2=400us, ????????? */ + + return (presence == 0); /* ????1?????????????? */ +} + +/* + * ????????DS18B20_WriteByte + * ???? ????DS18B20д????????(LSB????) + * ???? ??dat=?д??????? + * ??? ???? + */ +void DS18B20_WriteByte(uchar dat) +{ + unsigned char i, j; + + for(i=0; i<8; i++) + { + DS18B20_DQ = 0; /* ??????????д?? */ + if(dat & 0x01) /* д1????????? */ + DS18B20_DQ = 1; + else /* д0?????????? */ + DS18B20_DQ = 0; + for(j=35; j>0; j--); /* DJNZ: 35*2=70us, ?????>=60us */ + DS18B20_DQ = 1; /* ??????? */ + dat >>= 1; /* ???λ(LSB first) */ + } +} + +/* + * ????????DS18B20_ReadByte + * ???? ????DS18B20?????????(LSB????) + * ???? ???? + * ??? ???????????? + */ +uchar DS18B20_ReadByte(void) +{ + unsigned char i, j, dat = 0; + + for(i=0; i<8; i++) + { + DS18B20_DQ = 0; /* ?????????????? */ + DS18B20_DQ = 1; /* ??????? */ + for(j=7; j>0; j--); /* DJNZ: 7*2=14us, ???DS18B20???????(~15us) */ + + dat >>= 1; /* ?????λ */ + if(DS18B20_DQ) + dat |= 0x80; /* LSB first?????????????λ??????λ */ + + for(j=23; j>0; j--); /* DJNZ: 23*2=46us, ?????>=60us */ + } + return dat; +} + +/* + * ????????DS18B20_StartConvert + * ???? ??????DS18B20?????? + * ???? ???? + * ??? ???? + */ +void DS18B20_StartConvert(void) +{ + if(!DS18B20_Reset()) return; /* ??λ???????? */ + DS18B20_WriteByte(0xCC); /* ????ROM */ + DS18B20_WriteByte(0x44); /* ????????? */ +} + +/* + * ????????DS18B20_ReadTemp + * ???? ?????DS18B20??????(16λ) + * ???? ??temp=?????????????? + * ??? ??1=????????0=DS18B20δ??? + */ +bit DS18B20_ReadTemp(int *temp) +{ + uchar tempL, tempH; + int raw; + + if(!DS18B20_Reset()) return 0; /* ??λ???????? */ + DS18B20_WriteByte(0xCC); /* ????ROM */ + DS18B20_WriteByte(0xBE); /* ??????? */ + + tempL = DS18B20_ReadByte(); /* ?????????? */ + tempH = DS18B20_ReadByte(); /* ?????????? */ + + raw = (tempH << 8) | tempL; /* ???16λ???? */ + *temp = raw; + + return 1; +} \ No newline at end of file diff --git a/Keil Code/Last/ds18b20.h b/Keil Code/Last/ds18b20.h new file mode 100644 index 0000000..3b0fb22 --- /dev/null +++ b/Keil Code/Last/ds18b20.h @@ -0,0 +1,26 @@ +#ifndef __DS18B20_H_ +#define __DS18B20_H_ + +#include +#include + +/* ????????????? */ +#ifndef uchar +#define uchar unsigned char +#endif + +#ifndef uint +#define uint unsigned int +#endif + +/* DS18B20????????????? */ +sbit DS18B20_DQ = P3^7; + +/* ???????? */ +bit DS18B20_Reset(void); /* ??λDS18B20???????? */ +void DS18B20_WriteByte(uchar dat); /* д???????? */ +uchar DS18B20_ReadByte(void); /* ????????? */ +void DS18B20_StartConvert(void); /* ????????? */ +bit DS18B20_ReadTemp(int *temp); /* ????????? */ + +#endif \ No newline at end of file diff --git a/Keil Code/Last/lcd.c b/Keil Code/Last/lcd.c new file mode 100644 index 0000000..d5a78dd --- /dev/null +++ b/Keil Code/Last/lcd.c @@ -0,0 +1,151 @@ +/****************************************************************************** + * 文件名：lcd.c + * 功能：LCD1602 液晶显示驱动 + * 说明：支持 4 位和 8 位数据总线模式，由 LCD1602_4PINS 宏控制。 + * 当前使用 4 位模式，RS=P2^6，RW=P2^5，EN=P2^7，数据口=P0。 + * 编译器：Keil C51 + ******************************************************************************/ + +#include"lcd.h" + +/****************************************************************************** + * 函数名：Lcd1602_Delay1ms + * 功能：毫秒级延时函数（12MHz 晶振，12T 模式） + * 输入：c = 延时毫秒数 + * 输出：无 + ******************************************************************************/ +void Lcd1602_Delay1ms(uint c) +{ + uchar a, b; + for(; c > 0; c--) + { + for(b = 199; b > 0; b--) + { + for(a = 1; a > 0; a--); + } + } +} + +/****************************************************************************** + * 函数名：LcdWriteCom + * 功能：向 LCD1602 写入一个 8 位指令 + * 输入：com = 指令字节 + * 输出：无 + * 说明：根据是否定义 LCD1602_4PINS，编译为 4 位或 8 位模式 + ******************************************************************************/ +#ifndef LCD1602_4PINS /* 8 位数据线模式 */ + +void LcdWriteCom(uchar com) +{ + LCD1602_E = 0; /* 使能信号置低 */ + LCD1602_RS = 0; /* 选择指令寄存器 */ + LCD1602_RW = 0; /* 选择写操作 */ + + LCD1602_DATAPINS = com; /* 输出指令字节 */ + Lcd1602_Delay1ms(1); /* 等待数据稳定 */ + + LCD1602_E = 1; /* 产生使能脉冲 */ + Lcd1602_Delay1ms(5); /* 保持高电平 */ + LCD1602_E = 0; +} + +#else /* 4 位数据线模式 */ + +void LcdWriteCom(uchar com) +{ + LCD1602_E = 0; + LCD1602_RS = 0; + LCD1602_RW = 0; + + LCD1602_DATAPINS = com; /* 先送高 4 位 */ + Lcd1602_Delay1ms(1); + LCD1602_E = 1; + Lcd1602_Delay1ms(1); + LCD1602_E = 0; + + Lcd1602_Delay1ms(1); + LCD1602_DATAPINS = com << 4; /* 再送低 4 位 */ + Lcd1602_Delay1ms(1); + LCD1602_E = 1; + Lcd1602_Delay1ms(1); + LCD1602_E = 0; +} + +#endif + +/****************************************************************************** + * 函数名：LcdWriteData + * 功能：向 LCD1602 写入一个 8 位数据 + * 输入：dat = 数据字节 + * 输出：无 + ******************************************************************************/ +#ifndef LCD1602_4PINS /* 8 位数据线模式 */ + +void LcdWriteData(uchar dat) +{ + LCD1602_E = 0; /* 使能信号置低 */ + LCD1602_RS = 1; /* 选择数据寄存器 */ + LCD1602_RW = 0; /* 选择写操作 */ + + LCD1602_DATAPINS = dat; /* 输出数据字节 */ + Lcd1602_Delay1ms(1); + + LCD1602_E = 1; /* 产生使能脉冲 */ + Lcd1602_Delay1ms(5); + LCD1602_E = 0; +} + +#else /* 4 位数据线模式 */ + +void LcdWriteData(uchar dat) +{ + LCD1602_E = 0; + LCD1602_RS = 1; + LCD1602_RW = 0; + + LCD1602_DATAPINS = dat; /* 先送高 4 位 */ + Lcd1602_Delay1ms(1); + LCD1602_E = 1; + Lcd1602_Delay1ms(1); + LCD1602_E = 0; + + Lcd1602_Delay1ms(1); + LCD1602_DATAPINS = dat << 4; /* 再送低 4 位 */ + Lcd1602_Delay1ms(1); + LCD1602_E = 1; + Lcd1602_Delay1ms(1); + LCD1602_E = 0; +} + +#endif + +/****************************************************************************** + * 函数名：LcdInit + * 功能：LCD1602 初始化（设置显示模式、开显示、清屏） + * 输入：无 + * 输出：无 + ******************************************************************************/ +#ifndef LCD1602_4PINS /* 8 位数据线模式初始化 */ + +void LcdInit() +{ + LcdWriteCom(0x38); /* 设置显示模式：16x2、5x7 点阵、8 位数据 */ + LcdWriteCom(0x0c); /* 开显示，不显示光标 */ + LcdWriteCom(0x06); /* 写入数据后地址自动加 1 */ + LcdWriteCom(0x01); /* 清屏 */ + LcdWriteCom(0x80); /* 设置 DDRAM 起始地址为 0x00（第一行） */ +} + +#else /* 4 位数据线模式初始化 */ + +void LcdInit() +{ + LcdWriteCom(0x32); /* 从 8 位模式切换为 4 位模式 */ + LcdWriteCom(0x28); /* 4 位模式下设置显示模式 */ + LcdWriteCom(0x0c); /* 开显示，不显示光标 */ + LcdWriteCom(0x06); /* 写入数据后地址自动加 1 */ + LcdWriteCom(0x01); /* 清屏 */ + LcdWriteCom(0x80); /* 设置 DDRAM 起始地址为 0x00（第一行） */ +} + +#endif diff --git a/Keil Code/Last/lcd.h b/Keil Code/Last/lcd.h new file mode 100644 index 0000000..6188eaa --- /dev/null +++ b/Keil Code/Last/lcd.h @@ -0,0 +1,39 @@ +/****************************************************************************** + * 文件名：lcd.h + * 功能：LCD1602 液晶驱动头文件 + * 硬件接口：4 位数据总线模式 + * RS = P2^6，RW = P2^5，EN = P2^7，数据口 = P0 + * 编译器：Keil C51 + ******************************************************************************/ + +#ifndef __LCD_H_ +#define __LCD_H_ + +/* 使用 4 位数据线模式（注释此行则使用 8 位模式） */ +#define LCD1602_4PINS + +/* 标准头文件 */ +#include + +/* 自定义数据类型 */ +#ifndef uchar +#define uchar unsigned char +#endif + +#ifndef uint +#define uint unsigned int +#endif + +/* LCD 引脚定义 */ +#define LCD1602_DATAPINS P0 /* LCD 数据口（P0 口） */ +sbit LCD1602_E = P2^7; /* 使能信号 */ +sbit LCD1602_RW = P2^5; /* 读写选择：0=写，1=读 */ +sbit LCD1602_RS = P2^6; /* 寄存器选择：0=指令，1=数据 */ + +/* 函数声明 */ +void Lcd1602_Delay1ms(uint c); /* 毫秒延时（12MHz 晶振） */ +void LcdWriteCom(uchar com); /* 写入 8 位指令 */ +void LcdWriteData(uchar dat); /* 写入 8 位数据 */ +void LcdInit(void); /* 初始化 LCD1602 */ + +#endif diff --git a/Keil Code/Last/main.c b/Keil Code/Last/main.c new file mode 100644 index 0000000..70968ca --- /dev/null +++ b/Keil Code/Last/main.c @@ -0,0 +1,603 @@ +/****************************************************************************** + * 文件名：main.c + * 功能：DS1302 实时时钟 + DS18B20 温度采集 + LCD1602 显示 + * 支持按键切换时钟/秒表模式，可设置时间。 + * 硬件配置： + * LCD1602（4 位模式）：RS=P2^6, RW=P2^5, EN=P2^7, 数据口=P0 + * DS1302：DSIO=P3^4, RST=P3^5, SCLK=P3^6 + * DS18B20：DQ=P3^7 + * 按键：K1=P3^1, K2=P3^0, K3=P3^2, K4=P3^3 + * 蜂鸣器/报警：已禁用（函数为空） + * 编译器：Keil C51 + ******************************************************************************/ + +#include +#include +#include"lcd.h" +#include"ds1302.h" +#include"temp.h" + + +/*========================== 引脚定义 ==========================*/ + +sbit K1 = P3^1; /* 模式切换/确认键 */ +sbit K2 = P3^0; /* 切换/返回键 */ +sbit K3 = P3^2; /* 加/开始暂停键 */ +sbit K4 = P3^3; /* 减/清零键 */ + + +/*========================== 全局变量 ==========================*/ + +unsigned char mode = 0; /* 工作模式：0=时钟，2=秒表 */ +unsigned char last_mode = 0xFF; /* 前一次模式，用于检测模式切换 */ +int temperature = 0; /* 温度值（放大 10 倍，如 253 表示 25.3°C） */ +unsigned char temp_state = 0; /* 温度采集状态机：0=空闲，1=转换中 */ +unsigned int temp_wait = 0; /* 温度转换等待计数器 */ + +unsigned char alarm_hour = 6; /* 闹钟小时 */ +unsigned char alarm_min = 0; /* 闹钟分钟 */ +unsigned char alarm_on = 0; /* 闹钟开关：0=关，1=开 */ + +unsigned int sw_sec = 0; /* 秒表累计秒数 */ +unsigned char sw_csec = 0; /* 秒表百分秒（0~99） */ +bit sw_running = 0; /* 秒表运行状态：0=停止，1=运行 */ + + +/*========================== 宏定义 ==========================*/ + +/* BCD 码转十进制：0x12 → 12 */ +#define BCD2DEC(bcd) (((bcd)>>4)*10 + ((bcd)&0x0f)) + +/* 十进制转 BCD 码：12 → 0x12 */ +#define DEC2BCD(dec) (((dec)/10<<4) | ((dec)%10)) + + +/*========================== 函数声明 ==========================*/ + +void Delay10ms(void); + +void Timer1Init(void); +void TempPros(void); +void AlarmJudge(void); +void AlarmBuzPro(void); +void SetTime(void); +void LcdFramework(void); +void LcdUpdate(void); +void KeyScan(void); + + +/*======================= 按键检测函数 ========================*/ + +/* + * K1_Pressed：检测 K1 键是否被按下 + * 功能：软件消抖，等待按键释放后返回 1 + * 返回：1=按下了 K1，0=未按下 + */ +bit K1_Pressed(void) +{ + if(K1) return 0; /* 首次检测，高电平表示未按下 */ + Delay10ms(); /* 软件消抖 */ + if(K1) return 0; /* 再次检测，确认按下 */ + while(!K1); /* 等待按键释放 */ + return 1; /* 有效按下 */ +} + +/* + * K2_Pressed：检测 K2 键是否被按下 + */ +bit K2_Pressed(void) +{ + if(K2) return 0; + Delay10ms(); + if(K2) return 0; + while(!K2); + return 1; +} + +/* + * K3_Pressed：检测 K3 键是否被按下 + */ +bit K3_Pressed(void) +{ + if(K3) return 0; + Delay10ms(); + if(K3) return 0; + while(!K3); + return 1; +} + +/* + * K4_Pressed：检测 K4 键是否被按下 + */ +bit K4_Pressed(void) +{ + if(K4) return 0; + Delay10ms(); + if(K4) return 0; + while(!K4); + return 1; +} + + +/*===================== LCD 辅助函数 ======================*/ + +/* + * LcdWriteStr：在 LCD 当前位置显示字符串 + * 输入：str = 指向 code 区字符串的指针 + */ +void LcdWriteStr(unsigned char code *str) +{ + while(*str) LcdWriteData(*str++); +} + +/* + * LcdShowNumAt：在 LCD 指定位置显示两位十进制数 + * 输入：addr = DDRAM 地址，num = 要显示的数值（0~99） + */ +void LcdShowNumAt(unsigned char addr, unsigned char num) +{ + LcdWriteCom(addr); + LcdWriteData('0' + num / 10); /* 十位 ASCII 码 */ + LcdWriteData('0' + num % 10); /* 个位 ASCII 码 */ +} + +/* + * AdjustValue：通用参数调节函数 + * 功能：在指定位置显示数值，K3/K4 加减，K1 确认退出 + * 光标停留在数值的最后一位上。 + * 输入：val = 待调节变量指针 + * maxVal = 最大值 + * dispAddr = 显示地址 + * cursorAddr = 光标地址（函数内会自动加 1 移到末位） + */ +void AdjustValue(unsigned char *val, unsigned char maxVal, + unsigned char dispAddr, unsigned char cursorAddr) +{ + LcdWriteCom(cursorAddr + 1); /* 光标放在数值最后一位 */ + LcdWriteCom(0x0f); /* 显示闪烁光标 */ + + while(1) + { + if(K3_Pressed()) /* K3：加 */ + { + if(*val < maxVal) (*val)++; + else *val = 0; + LcdShowNumAt(dispAddr, *val); + LcdWriteCom(cursorAddr + 1); /* 光标回到末位 */ + LcdWriteCom(0x0f); + } + if(K4_Pressed()) /* K4：减 */ + { + if(*val > 0) (*val)--; + else *val = maxVal; + LcdShowNumAt(dispAddr, *val); + LcdWriteCom(cursorAddr + 1); + LcdWriteCom(0x0f); + } + if(K1_Pressed()) /* K1：确认退出 */ + { + LcdWriteCom(0x0c); /* 关闭光标 */ + return; + } + } +} + + +/*========================== 主函数 ==========================*/ + +void main() +{ + Timer1Init(); /* 初始化定时器 1（用于秒表计时） */ + LcdInit(); /* 初始化 LCD1602 液晶 */ + + Ds1302Init(); /* 初始化 DS1302 时钟芯片 */ + + /* 从 DS1302 RAM 读取闹钟参数（上电保持） */ + alarm_hour = Ds1302Read(0xC1); + if(alarm_hour > 23) alarm_hour = 6; /* 数据异常时使用默认值 */ + alarm_min = Ds1302Read(0xC3); + if(alarm_min > 59) alarm_min = 0; + alarm_on = Ds1302Read(0xC5); + if(alarm_on > 1) alarm_on = 0; + + /* 主循环 */ + while(1) + { + Ds1302ReadTime(); /* 读取 DS1302 当前时间到 TIME 数组 */ + + TempPros(); /* 温度采集状态机（非阻塞式） */ + + /* 模式切换时刷新 LCD 静态框架 */ + if(mode != last_mode) + { + LcdFramework(); + last_mode = mode; + } + + AlarmJudge(); /* 闹钟判断（当前为空函数） */ + AlarmBuzPro(); /* 蜂鸣器驱动（当前为空函数） */ + KeyScan(); /* 按键扫描 */ + LcdUpdate(); /* 刷新 LCD 动态显示 */ + } +} + + +/* + * ShowLcdWeek：在 LCD 当前位置显示星期缩写 + * 输入：week = 1~7（对应 Sunday~Saturday） + */ +void ShowLcdWeek(unsigned char week) +{ + switch(week) + { + case 1: LcdWriteData('S'); LcdWriteData('u'); LcdWriteData('n'); break; /* Sunday */ + case 2: LcdWriteData('M'); LcdWriteData('o'); LcdWriteData('n'); break; /* Monday */ + case 3: LcdWriteData('T'); LcdWriteData('u'); LcdWriteData('e'); break; /* Tuesday */ + case 4: LcdWriteData('W'); LcdWriteData('e'); LcdWriteData('d'); break; /* Wednesday */ + case 5: LcdWriteData('T'); LcdWriteData('h'); LcdWriteData('u'); break; /* Thursday */ + case 6: LcdWriteData('F'); LcdWriteData('r'); LcdWriteData('i'); break; /* Friday */ + case 7: LcdWriteData('S'); LcdWriteData('a'); LcdWriteData('t'); break; /* Saturday */ + } +} + + +/*===================== LCD 框架刷新 ======================*/ + +/* + * LcdFramework：刷新 LCD 静态框架 + * 功能：根据当前模式，绘制 LCD 的固定显示内容 + * 模式 0（时钟）：显示日期和时间占位符 + * 模式 2（秒表）：显示秒表标题和数字占位符 + */ +void LcdFramework() +{ + LcdWriteCom(0x0c); /* 关闭光标 */ + + if(mode == 0) /* 时钟模式 */ + { + LcdWriteCom(0x80); + LcdWriteStr("20 - - "); /* 第一行：年-月-日 */ + LcdWriteCom(0xC0); + LcdWriteStr(" : : "); /* 第二行：时:分:秒 + 温度 */ + } + else if(mode == 2) /* 秒表模式 */ + { + LcdWriteCom(0x80); + LcdWriteStr(" Stop Watch "); /* 第一行：标题居中 */ + LcdWriteCom(0xC0); + LcdWriteStr(" : : . "); /* 第二行：HH:MM:SS.cs 居中 */ + } +} + + +/*======================= LCD 动态更新 ========================*/ + +/* + * LcdUpdate：刷新 LCD 动态显示数据 + * 功能：根据当前模式，更新温度/时间/秒表等动态数值 + * 时钟模式显示年月日时分秒星期和温度 + * 秒表模式显示时、分、秒、百分秒 + */ +void LcdUpdate() +{ + int temp_disp; + + if(mode == 0) /* 时钟模式 */ + { + /* 显示日期 */ + LcdShowNumAt(0x82, BCD2DEC(TIME[6])); /* 年 */ + LcdShowNumAt(0x85, BCD2DEC(TIME[4])); /* 月 */ + LcdShowNumAt(0x88, BCD2DEC(TIME[3])); /* 日 */ + + /* 显示星期 */ + LcdWriteCom(0x8C); + ShowLcdWeek(TIME[5] & 0x07); + + /* 显示时间 */ + LcdShowNumAt(0xC0, BCD2DEC(TIME[2])); /* 时 */ + LcdShowNumAt(0xC3, BCD2DEC(TIME[1])); /* 分 */ + LcdShowNumAt(0xC6, BCD2DEC(TIME[0])); /* 秒 */ + + /* 显示温度：格式 "-12.3C" 或 " 25.0C" */ + LcdWriteCom(0xC9); + temp_disp = temperature; + if(temp_disp < 0) + { + LcdWriteData('-'); + temp_disp = -temp_disp; + } + else + { + LcdWriteData(' '); /* 正数前留空格 */ + } + LcdWriteData('0' + temp_disp / 100); /* 十位 */ + LcdWriteData('0' + (temp_disp / 10) % 10); /* 个位 */ + LcdWriteData('.'); /* 小数点 */ + LcdWriteData('0' + temp_disp % 10); /* 十分位 */ + LcdWriteData('C'); /* 单位 */ + } + else if(mode == 2) /* 秒表模式 */ + { + /* 居中显示，位置 0xC2/0xC5/0xC8/0xCB */ + LcdShowNumAt(0xC2, sw_sec / 3600); /* 小时 */ + LcdShowNumAt(0xC5, (sw_sec % 3600) / 60); /* 分钟 */ + LcdShowNumAt(0xC8, sw_sec % 60); /* 秒钟 */ + LcdShowNumAt(0xCB, sw_csec); /* 百分秒 */ + } +} + + +/*========================== 按键扫描 ==========================*/ + +/* + * KeyScan：按键扫描处理 + * 功能：根据当前模式处理按键事件 + * 时钟模式：K1=设置时间，K2=切换到秒表 + * 秒表模式：K3=启动/暂停，K4=清零（暂停时），K2=返回时钟 + */ +void KeyScan() +{ + if(mode == 0) /* 时钟模式 */ + { + if(K1_Pressed()) /* K1：进入时间设置 */ + { + SetTime(); + last_mode = 0xFF; /* 强制刷新 LCD */ + } + if(K2_Pressed()) /* K2：切换到秒表 */ + { + mode = 2; + sw_running = 0; + sw_sec = 0; + sw_csec = 0; + LcdFramework(); + last_mode = mode; + LcdUpdate(); + } + } + else if(mode == 2) /* 秒表模式 */ + { + if(K3_Pressed()) /* K3：启动/暂停秒表 */ + { + sw_running = !sw_running; + TR1 = sw_running; /* TR1 控制定时器 1 的启停 */ + } + if(K4_Pressed()) /* K4：暂停时清零 */ + { + if(!sw_running) + { + sw_sec = 0; + sw_csec = 0; + } + } + if(K2_Pressed()) /* K2：返回时钟模式 */ + { + mode = 0; + TR1 = 0; + sw_running = 0; + sw_sec = 0; + sw_csec = 0; + LcdFramework(); + last_mode = mode; + LcdUpdate(); + } + } +} + + +/*========================== 时间设置 ==========================*/ + +/* + * SetTime：时间和日期设置 + * 功能：对年、月、日、时、分、秒逐一进行调节， + * 星期通过 K3/K4 手动调节，完成后全部写入 DS1302。 + * 操作：K1 切换调节字段，K3/K4 加减，调节完秒后自动写入。 + */ +void SetTime() +{ + unsigned char y, mo, d, w, h, mi, s; + + /* 将 TIME 数组中的 BCD 码转换为十进制 */ + y = BCD2DEC(TIME[6]); + mo = BCD2DEC(TIME[4]); + d = BCD2DEC(TIME[3]); + w = TIME[5] & 0x07; + h = BCD2DEC(TIME[2]); + mi = BCD2DEC(TIME[1]); + s = BCD2DEC(TIME[0]); + + /* 绘制设置界面 */ + LcdWriteCom(0x80); + LcdWriteStr("20 - - "); /* 第一行：20YY-MM-DD */ + LcdWriteCom(0xC0); + LcdWriteStr(" : : "); /* 第二行：HH:MM:SS */ + + /* 显示当前时间 */ + LcdShowNumAt(0x82, y); /* 年 */ + LcdShowNumAt(0x85, mo); /* 月 */ + LcdShowNumAt(0x88, d); /* 日 */ + LcdWriteCom(0x8C); ShowLcdWeek(w); /* 星期 */ + LcdShowNumAt(0xC0, h); /* 时 */ + LcdShowNumAt(0xC3, mi); /* 分 */ + LcdShowNumAt(0xC6, s); /* 秒 */ + + /* 逐一调节数值（K3/K4 加减，K1 跳到下一项） */ + AdjustValue(&y, 99, 0x82, 0x82); /* 年 */ + AdjustValue(&mo, 12, 0x85, 0x85); /* 月 */ + AdjustValue(&d, 31, 0x88, 0x88); /* 日 */ + AdjustValue(&h, 23, 0xC0, 0xC0); /* 时 */ + AdjustValue(&mi, 59, 0xC3, 0xC3); /* 分 */ + AdjustValue(&s, 59, 0xC6, 0xC6); /* 秒 */ + + /* 手动调节星期 */ + LcdWriteCom(0x8E); LcdWriteCom(0x0f); /* 光标在星期最后一位 */ + while(1) + { + if(K3_Pressed()) + { + if(w < 7) w++; else w = 1; + LcdWriteCom(0x8C); ShowLcdWeek(w); + LcdWriteCom(0x8E); LcdWriteCom(0x0f); + } + if(K4_Pressed()) + { + if(w > 1) w--; else w = 7; + LcdWriteCom(0x8C); ShowLcdWeek(w); + LcdWriteCom(0x8E); LcdWriteCom(0x0f); + } + if(K1_Pressed()) { break; } + } + + /* 将调整后的值转回 BCD 码写入 TIME 数组 */ + TIME[6] = DEC2BCD(y); + TIME[4] = DEC2BCD(mo); + TIME[3] = DEC2BCD(d); + TIME[5] = w; + TIME[2] = DEC2BCD(h); + TIME[1] = DEC2BCD(mi); + TIME[0] = DEC2BCD(s); + + /* 写入 DS1302 */ + Ds1302Write(0x8E, 0x00); /* 关闭写保护 */ + Ds1302Write(0x80, TIME[0]); /* 秒 */ + Ds1302Write(0x82, TIME[1]); /* 分 */ + Ds1302Write(0x84, TIME[2]); /* 时 */ + Ds1302Write(0x86, TIME[3]); /* 日 */ + Ds1302Write(0x88, TIME[4]); /* 月 */ + Ds1302Write(0x8a, TIME[5]); /* 周 */ + Ds1302Write(0x8c, TIME[6]); /* 年 */ + Ds1302Write(0x8E, 0x80); /* 开启写保护 */ + + /* 恢复显示 */ + LcdWriteCom(0x0c); /* 关闭光标 */ + last_mode = 0xFF; /* 强制刷新 LCD */ +} + + +/*========================= 定时器初始化 =========================*/ + +/* + * Timer1Init：初始化定时器 1 + * 功能：配置 T1 为模式 1（16 位定时器），启用中断 + * 用于秒表计时，每 10ms 中断一次 + */ +void Timer1Init() +{ + TMOD &= 0x0F; /* 清空 T1 相关位 */ + TMOD |= 0x10; /* 设置 T1 为模式 1（16 位定时器） */ + ET1 = 1; /* 使能 T1 中断 */ + EA = 1; /* 开启总中断 */ +} + + +/*====================== 定时器 1 中断服务 ======================*/ + +/* + * Timer1：定时器 1 中断服务函数 + * 功能：每 10ms 中断一次（12MHz 晶振），秒表运行时累加百分秒 + * 百分秒到 100 时进位 1 秒 + */ +void Timer1() interrupt 3 +{ + TH1 = 0xD8; /* 重装初值：定时 10ms */ + TL1 = 0xF0; + + if(sw_running) /* 秒表正在运行时才累加 */ + { + sw_csec++; + if(sw_csec >= 100) /* 百分秒满 100 进 1 秒 */ + { + sw_csec = 0; + sw_sec++; + } + } +} + + +/*======================= 温度采集 ========================*/ + +/* + * TempPros：温度采集状态机（非阻塞式） + * 功能：分两步完成温度采集，避免长时间阻塞主循环 + * state=0：发送转换命令（复位→0xCC→0x44），切换到等待状态 + * state=1：等待约 800ms（40 次主循环），然后读取温度 + * （复位→0xCC→0xBE→读 2 字节→计算→回 state=0） + * 说明：DS18B20 在 12 位分辨率下需要最长 750ms 完成转换， + * 等待期间主循环正常运行（按键响应、显示刷新不受影响）。 + */ +void TempPros() +{ + unsigned char tmL, tmH; + int raw; + unsigned char sign = 0; + + if(temp_state == 0) + { + /* 第一步：启动温度转换 */ + Ds18b20Init(); + Ds18b20WriteByte(0xCC); /* 跳过 ROM（单设备模式） */ + Ds18b20WriteByte(0x44); /* 启动温度转换命令 */ + temp_state = 1; /* 切换到等待状态 */ + temp_wait = 0; + } + else if(temp_state == 1) + { + /* 第二步：等待转换完成 */ + temp_wait++; + if(temp_wait >= 40) /* 约 800ms（每循环 ~20ms） */ + { + Ds18b20Init(); + Ds18b20WriteByte(0xCC); /* 跳过 ROM */ + Ds18b20WriteByte(0xBE); /* 读取暂存器命令 */ + tmL = Ds18b20ReadByte();/* 读取温度低字节 */ + tmH = Ds18b20ReadByte();/* 读取温度高字节 */ + raw = (tmH << 8) | tmL; /* 合并为 16 位原始值 */ + + /* 负数处理：符号位为 1 时取反加 1 */ + if(raw & 0x8000) + { + raw = ~raw + 1; + sign = 1; + } + + /* 转换为放大 10 倍的温度值：原始值 × 10 / 16 */ + temperature = raw * 10 / 16; + if(sign) + temperature = -temperature; + + temp_state = 0; /* 回到空闲状态，准备下一次采集 */ + } + } +} + + +/*======================== 闹钟/蜂鸣器 ========================*/ + +/* + * AlarmJudge：闹钟判断函数（蜂鸣器已损坏，保留为空） + */ +void AlarmJudge(void) +{ +} + +/* + * AlarmBuzPro：蜂鸣器驱动函数（蜂鸣器已损坏，保留为空） + */ +void AlarmBuzPro(void) +{ +} + + +/*========================= 延时函数 ==========================*/ + +/* + * Delay10ms：软件延时约 10ms（12MHz 晶振，12T 模式） + * 用于按键消抖 + */ +void Delay10ms(void) +{ + unsigned char a, b, c; + for(c = 1; c > 0; c--) + for(b = 38; b > 0; b--) + for(a = 130; a > 0; a--); +} diff --git a/Keil Code/Last/module_structure.md b/Keil Code/Last/module_structure.md new file mode 100644 index 0000000..1cd64cd --- /dev/null +++ b/Keil Code/Last/module_structure.md @@ -0,0 +1,181 @@ +# 绯荤粺妯″潡缁撴瀯鍥撅紙鍑芥暟璋冪敤鍏崇郴锛 + +## main.c 妯″潡 + +``` +main() 鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 + 鈹 [鍒濆鍖朷 + 鈹溾攢鈹 Timer1Init() // 瀹氭椂鍣1鍒濆鍖 + 鈹溾攢鈹 LcdInit() 鈹鈹鈫 lcd.c // LCD1602鍒濆鍖 + 鈹溾攢鈹 Ds1302Init() 鈹鈹鈫 ds1302.c // DS1302鍒濆鍖 + 鈹 鈹斺攢鈹 Ds1302Read(), Ds1302Write() + 鈹溾攢鈹 DS18B20_SetResolution() 鈹鈹鈫 ds18b20.c + 鈹溾攢鈹 DS18B20_StartConvert() 鈹鈹鈫 ds18b20.c + 鈹斺攢鈹 Ds1302Read() 鈹鈹鈫 ds1302.c // 璇诲彇闂归挓鍙傛暟 + 鈹 + 鈹 [涓诲惊鐜 while(1)] + 鈹溾攢鈹 Ds1302ReadTime() 鈹鈹鈫 ds1302.c // 姣忔寰幆璇诲彇鏃堕挓 + 鈹溾攢鈹 TempPros() // 娓╁害澶勭悊锛堟瘡5娆″惊鐜級 + 鈹 鈹溾攢鈹 DS18B20_GetTemp() 鈹鈹鈫 ds18b20.c + 鈹 鈹斺攢鈹 DS18B20_StartConvert() + 鈹溾攢鈹 LcdFramework() // 妯″紡鍒囨崲鏃跺埛鏂版鏋 + 鈹 鈹斺攢鈹 LcdWriteStr() 鈫 LcdWriteData() 鈹鈹鈫 lcd.c + 鈹溾攢鈹 AlarmJudge() // 闂归挓鏃堕棿鍖归厤鍒ゆ柇 + 鈹溾攢鈹 AlarmBuzPro() // 铚傞福鍣ㄩ┍鍔 + 鈹 鈹斺攢鈹 DelayMs() + 鈹溾攢鈹 KeyScan() // 鎸夐敭鎵弿 + 鈹 鈹斺攢鈹 KeyPressed() (脳5) // 娑堟姈妫娴 + 鈹 鈹溾攢鈹 SetAlarm() // K1: 闂归挓璁剧疆 + 鈹 鈹 鈹溾攢鈹 LcdWriteStr() 鈫 lcd.c + 鈹 鈹 鈹溾攢鈹 LcdShowNumAt() 鈫 lcd.c + 鈹 鈹 鈹溾攢鈹 AdjustValue() // 灏忔椂/鍒嗛挓璋冭妭 + 鈹 鈹 鈹 鈹溾攢鈹 KeyPressed() + 鈹 鈹 鈹 鈹溾攢鈹 KeySound() + 鈹 鈹 鈹 鈹斺攢鈹 LcdShowNumAt() + 鈹 鈹 鈹溾攢鈹 KeyPressed() + 鈹 鈹 鈹 鈹斺攢鈹 KeySound() + 鈹 鈹 鈹斺攢鈹 Ds1302Write() 鈫 ds1302.c + 鈹 鈹溾攢鈹 KeySound() / ReturnSound() + 鈹 鈹 鈹斺攢鈹 DelayMs() + 鈹 鈹斺攢鈹 淇敼绉掕〃鍏ㄥ眬鍙橀噺 + 鈹 + 鈹斺攢鈹 LcdUpdate() // LCD鏁版嵁鍒锋柊 + 鈹溾攢鈹 LcdShowNumAt() 鈫 lcd.c + 鈹溾攢鈹 ShowLcdWeek() + 鈹 鈹斺攢鈹 LcdWriteData() 鈫 lcd.c + 鈹溾攢鈹 LcdWriteCom() 鈫 lcd.c + 鈹斺攢鈹 LcdWriteData() 鈫 lcd.c + +Timer1() interrupt 3 // 瀹氭椂鍣ㄤ腑鏂紙10ms锛 + 鈹斺攢鈹 sw_running == 1 鈫 sw_csec++ 鈫 sw_sec++ // 绉掕〃璁℃椂 +``` + +## ds1302.c 妯″潡 + +``` +Ds1302Init() + 鈹溾攢鈹 Ds1302Read(0x81) // 璇荤瀵勫瓨鍣紝妫娴婥H浣 + 鈹斺攢鈹 Ds1302Write() 脳 9 // 鍐欏叆榛樿鏃堕棿 + 鍏抽棴鍐欎繚鎶 + +Ds1302ReadTime() + 鈹斺攢鈹 Ds1302Read() 脳 7 // 鎵归噺璇诲彇7涓椂闂村瘎瀛樺櫒 + +Ds1302Write(addr, dat) // SPI鍗忚鍐 + 鈹溾攢鈹 RST=1, SCLK=0 + 鈹溾攢鈹 寰幆8娆: 閫愪綅鍙戦佸湴鍧(LSB鈫扢SB) + 鈹斺攢鈹 寰幆8娆: 閫愪綅鍙戦佹暟鎹 + +Ds1302Read(addr) // SPI鍗忚璇 + 鈹溾攢鈹 RST=1, SCLK=0 + 鈹溾攢鈹 寰幆8娆: 閫愪綅鍙戦佸湴鍧 + 鈹斺攢鈹 寰幆8娆: 閫愪綅璇诲彇鏁版嵁(MSB鈫扡SB) +``` + +## ds18b20.c 妯″潡 + +``` +DS18B20_Reset() + 鈹溾攢鈹 DQ=0 鈫 寤舵椂480渭s + 鈹斺攢鈹 DQ=1 鈫 绛夊緟搴旂瓟 + +DS18B20_WriteByte(dat) // 鍗曟荤嚎鍐 + 鈹斺攢鈹 寰幆8娆: DQ=0 鈫 鍐檅it 鈫 寤舵椂60渭s 鈫 DQ=1 + +DS18B20_ReadByte() // 鍗曟荤嚎璇 + 鈹斺攢鈹 寰幆8娆: DQ=0 鈫 DQ=1 鈫 璇籦it 鈫 寤舵椂 + +DS18B20_StartConvert() // 鍚姩娓╁害杞崲 + 鈹溾攢鈹 DS18B20_Reset() + 鈹溾攢鈹 DS18B20_WriteByte(0xCC) // 璺宠繃ROM + 鈹斺攢鈹 DS18B20_WriteByte(0x44) // 鍚姩杞崲 + +DS18B20_SetResolution(res) // 璁剧疆鍒嗚鲸鐜 + 鈹溾攢鈹 DS18B20_Reset() + 鈹溾攢鈹 DS18B20_WriteByte(0xCC) + 鈹溾攢鈹 DS18B20_WriteByte(0x4E) // 鍐欐殏瀛樺櫒 + 鈹溾攢鈹 DS18B20_WriteByte(0x00) // TH + 鈹溾攢鈹 DS18B20_WriteByte(0x00) // TL + 鈹溾攢鈹 DS18B20_WriteByte(res) // 閰嶇疆瀵勫瓨鍣 + 鈹溾攢鈹 DS18B20_Reset() + 鈹溾攢鈹 DS18B20_WriteByte(0xCC) + 鈹斺攢鈹 DS18B20_WriteByte(0x48) // 澶嶅埗鍒癊EPROM + +DS18B20_GetTemp(int *temp) // 璇诲彇娓╁害鍊 + 鈹溾攢鈹 DS18B20_Reset() + 鈹溾攢鈹 DS18B20_WriteByte(0xCC) + 鈹溾攢鈹 DS18B20_WriteByte(0xBE) // 璇绘殏瀛樺櫒 + 鈹溾攢鈹 DS18B20_ReadByte() // 浣庡瓧鑺 + 鈹斺攢鈹 DS18B20_ReadByte() // 楂樺瓧鑺 +``` + +## lcd.c 妯″潡 + +``` +LcdInit() + 鈹斺攢鈹 LcdWriteCom() 脳 5 // 鍒濆鍖栨寚浠ゅ簭鍒 + +LcdWriteCom(com) // 鍐欐寚浠わ紙4浣嶆ā寮忥級 + 鈹溾攢鈹 RS=0, RW=0 + 鈹溾攢鈹 P0=com 鈫 鍐欓珮4浣 + 鈹溾攢鈹 E=1 鈫 寤舵椂 鈫 E=0 + 鈹斺攢鈹 P0=com<<4 鈫 鍐欎綆4浣 + 鈹斺攢鈹 E=1 鈫 寤舵椂 鈫 E=0 + 鈹斺攢鈹 鍐呴儴璋冪敤 Lcd1602_Delay1ms() + +LcdWriteData(dat) // 鍐欐暟鎹紙4浣嶆ā寮忥級 + 鈹溾攢鈹 RS=1, RW=0 + 鈹溾攢鈹 P0=dat 鈫 鍐欓珮4浣 + 鈹溾攢鈹 E=1 鈫 寤舵椂 鈫 E=0 + 鈹斺攢鈹 P0=dat<<4 鈫 鍐欎綆4浣 + 鈹斺攢鈹 E=1 鈫 寤舵椂 鈫 E=0 + 鈹斺攢鈹 鍐呴儴璋冪敤 Lcd1602_Delay1ms() +``` + +## 鍑芥暟璋冪敤鎬诲浘 + +``` +鈹屸攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 +鈹 main() 涓诲惊鐜 鈹 +鈹 鈹屸攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹屸攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹屸攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹屸攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹屸攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹 +鈹 鈹 DS1302 鈹 鈹 DS18B20 鈹 鈹 LCD1602 鈹 鈹 鎸夐敭鎵弿 鈹 鈹 闂归挓澶勭悊 鈹 鈹 +鈹 鈹 鏃堕挓妯″潡 鈹 鈹 娓╁害妯″潡 鈹 鈹 鏄剧ず妯″潡 鈹 鈹 KeyScan 鈹 鈹 Judge 鈹 鈹 +鈹 鈹斺攢鈹鈹鈹鈹攢鈹鈹鈹鈹鈹 鈹斺攢鈹鈹鈹鈹攢鈹鈹鈹鈹鈹 鈹斺攢鈹鈹鈹鈹攢鈹鈹鈹鈹鈹 鈹斺攢鈹鈹鈹鈹攢鈹鈹鈹鈹鈹 鈹斺攢鈹鈹鈹鈹攢鈹鈹鈹鈹鈹 鈹 +鈹 鈹 鈹 鈹 鈹 鈹 鈹 +鈹 鈹屸攢鈹鈹鈹鈻尖攢鈹鈹鈹鈹 鈹屸攢鈹鈹鈹鈻尖攢鈹鈹鈹鈹 鈹屸攢鈹鈹鈹鈻尖攢鈹鈹鈹鈹 鈹屸攢鈹鈹鈹鈻尖攢鈹鈹鈹鈹 鈹屸攢鈹鈹鈹鈻尖攢鈹鈹鈹鈹 鈹 +鈹 鈹俁eadTime 鈹 鈹俆empPros 鈹 鈹侺cdUpdate鈹 鈹侹eyPressed鈹 鈹侫larmBuz 鈹 鈹 +鈹 鈹侷nit 鈹 鈹侴etTemp 鈹 鈹侳ramework鈹 鈹係etAlarm 鈹 鈹侾ro 鈹 鈹 +鈹 鈹斺攢鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹斺攢鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹斺攢鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹斺攢鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹斺攢鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹 +鈹 鈹 +鈹 鈹屸攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹 +鈹 鈹 Timer1 涓柇 (10ms) 鈹 鈹 +鈹 鈹 鈫 绉掕〃 sw_csec / sw_sec 绱姞 鈹 鈹 +鈹 鈹斺攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹 +鈹斺攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 + 鈹 + 鈹屸攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹尖攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 + 鈻 鈻 鈻 + 鈹屸攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹屸攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹屸攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 + 鈹 ds1302.c 鈹 鈹 ds18b20.c 鈹 鈹 lcd.c 鈹 + 鈹 搴曞眰椹卞姩 鈹 鈹 搴曞眰椹卞姩 鈹 鈹 搴曞眰椹卞姩 鈹 + 鈹 SPI鍗忚 鈹 鈹 鍗曟荤嚎鍗忚 鈹 鈹 骞惰鎺ュ彛 鈹 + 鈹斺攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹斺攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 鈹斺攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 + 鈹 鈹 鈹 + 鈻 鈻 鈻 + 鈹屸攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 + 鈹 STC89C52 纭欢灞 鈹 + 鈹 P1^0-2 DS1302 鈹 P3^7 DS18B20 鈹 P0/P2 LCD 鈹 + 鈹 P3^0-3 鎸夐敭 鈹 P2^0 铚傞福鍣 鈹 Timer1 鈹 + 鈹斺攢鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹鈹 +``` + +## 鏂囦欢闂翠緷璧 + +``` +main.c 鈹鈹鈫 lcd.h (LcdInit, LcdWriteCom, LcdWriteData) +main.c 鈹鈹鈫 ds1302.h (Ds1302Init, Ds1302ReadTime, Ds1302Read, Ds1302Write) +main.c 鈹鈹鈫 ds18b20.h (DS18B20_GetTemp, DS18B20_StartConvert, DS18B20_SetResolution) + +ds1302.c 鈹鈹鈫 reg51.h, intrins.h +ds18b20.c 鈹鈹鈫 reg51.h, intrins.h +lcd.c 鈹鈹鈫 reg51.h +``` diff --git a/Keil Code/Last/pro b/Keil Code/Last/pro new file mode 100644 index 0000000..c709edb Binary files /dev/null and b/Keil Code/Last/pro differ diff --git a/Keil Code/Last/pro.hex b/Keil Code/Last/pro.hex new file mode 100644 index 0000000..06568f6 --- /dev/null +++ b/Keil Code/Last/pro.hex @@ -0,0 +1,210 @@ +:0300000002049E59 +:0C049E00787FE4F6D8FD75812D0204E59E +:1007FC00323020202D20202D2020202020202020B1 +:10080C000020203A20203A202020202020202020C8 +:10081C00200020202053746F70205761746368206F +:10082C00202000202020203A20203A20202E20209A +:04083C002020200058 +:100927000123000129FF02260000012800022B00F5 +:1009370000012406012500012A0002210000012DE3 +:0309470000C100EC +:100A420030B102C322120A9830B102C32230B1FD82 +:020A5200D322AD +:100A540030B002C322120A9830B002C32230B0FD73 +:020A6400D3229B 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### uVision Project, (C) Keil Software
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### uVision Project, (C) Keil Software
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### uVision Project, (C) Keil Software
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