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#include
#include "LCD1602.h" #include "DS18B20.h" void init(void) { num=0; alarm_flag=0; alarm_num=0; temp_max=36; //设置温度上限值 temp_min=0; //设置温度下限值 TMOD=0x01; //定时器T0工作于方式1 TH0=(65536-50000)/256; //定时器T0赋初值 TL0=(65536-50000)%256; EA=1; //开总允许中断 ET0=1; //开定时器T0中断 TR0=1; //启动定时器T0 } /******1us的延时(12M)延时子程序*******/ void delay_us(uchar x) //when crystal is 12M ,a*2+5 us , { // 子程序调用要5us,while 就等于DJNZ指令 while (--x); //x取值1~255; } /******1ms的延时(12M)延时子程序*******/ void delay_ms(uchar x) { uchar i,j; for (i=0; i { _nop_(); //一个nop约1us _nop_(); } } /*********dds18b20初始化*******/ ..........test2.c(3): warning C318: can't open file 'DS18B20.h' ..........TEST2.C(6): error C202: 'num': undefined identifier ..........TEST2.C(7): error C202: 'alarm_flag': undefined identifier ..........TEST2.C(8): error C202: 'alarm_num': undefined identifier ..........TEST2.C(9): error C202: 'temp_max': undefined identifier ..........TEST2.C(10): error C202: 'temp_min': undefined identifier ..........TEST2.C(19): error C141: syntax error near 'x', expected ')' ..........TEST2.C(21): error C202: 'x': undefined identifier ..........TEST2.C(24): error C141: syntax error near 'x', expected ')' ..........TEST2.C(26): error C141: syntax error near 'i' ..........TEST2.C(26): error C202: 'i': undefined identifier ..........TEST2.C(27): error C202: 'i': undefined identifier ..........TEST2.C(28): error C202: 'j': undefined identifier ..........TEST2.C(37): error C202: 'DQ': undefined identifier ..........TEST2.C(39): error C202: 'DQ': undefined identifier ..........TEST2.C(42): error C202: 'DQ': undefined identifier ..........TEST2.C(45): error C141: syntax error near 'while' ..........TEST2.C(45): error C202: 'DQ': undefined identifier ..........TEST2.C(50): error C202: 'DQ': undefined identifier ..........TEST2.C(53): error C141: syntax error near 'a', expected ')' ..........TEST2.C(55): error C141: syntax error near 'i' ..........TEST2.C(55): error C202: 'i': undefined identifier ..........TEST2.C(56): error C202: 'i': undefined identifier ..........TEST2.C(58): error C202: 'a': undefined identifier ..........TEST2.C(60): error C202: 'DQ': undefined identifier ..........TEST2.C(64): error C202: 'DQ': undefined identifier ..........TEST2.C(67): error C202: 'DQ': undefined identifier ..........TEST2.C(72): error C202: 'DQ': undefined identifier ..........TEST2.C(74): error C202: 'a': undefined identifier ..........TEST2.C(77): error C129: missing ';' before 'read1820' |
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4个回答
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头文件"DS18B20.h"打不开
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你检查一下是文件名打错,还是没有把该头文件加入工程
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你检查一下是文件名打错,还是没有把该头文件加入工程
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头文件"DS18B20.h"打不开
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