基于STM32单片机的家用智能风扇设计

附录2程序主函数：#include"struct_all.h"#include"delay.h"#include"sys.h"#include"usart.h"#include"My_Demo.h"u8mode=0;u8status=1;shorttemp;shorttemp_l=30,temp_h=40;unsignedcharTime_arry[7];unsignedcharTime_arry_o[3]={0,30,10};unsignedcharTime_arry_c[3]={0,40,10};unsignedcharMenu_Count=0;voidKey_Process_Demo(unsignedcharKey_value){ if(Key_value==1||ir_num==1) //设置键 { ir_num=0; Menu_Count++; if(Menu_Count>=15) { LCD_Wstr(1,0,"年月日"); LCD_Wstr(2,0,"时分秒"); LCD_Wstr(3,0,"温度:"); LCD_Wstr(4,0,"档位:"); //处理返回界面 Menu_Count=0; } switch(Menu_Count) { case1: LCD_Wstr(1,0,"温度上限:<"); LCD_Wstr(2,0,"温度下限"); LCD_Wstr(3,0,""); LCD_Wstr(4,0,""); LCD_Setpos_Dispnum(1,5,temp_h); LCD_Setpos_Dispnum(2,5,temp_l); break; case2: LCD_Wstr(1,7,""); LCD_Wstr(2,7,"<"); break; case3: LCD_Wstr(1,0,"年:月:"); LCD_Wstr(2,0,"日:时:"); LCD_Wstr(3,0,"分:秒:"); LCD_Wstr(4,0,""); LCD_Setpos_two_Dispnum(1,2,Time_arry[5]); LCD_Setpos_two_Dispnum(1,6,Time_arry[4]); LCD_Setpos_two_Dispnum(2,2,Time_arry[3]); LCD_Setpos_two_Dispnum(2,6,Time_arry[2]); LCD_Setpos_two_Dispnum(3,2,Time_arry[1]); LCD_Setpos_two_Dispnum(3,6,Time_arry[0]);LCD_Wstr(1,3,"<"); break; case4: LCD_Wstr(1,3,"");LCD_Wstr(1,7,"<"); break; case5: LCD_Wstr(1,7,"");LCD_Wstr(2,3,"<"); break; case6: LCD_Wstr(2,3,"");LCD_Wstr(2,7,"<"); break; case7: LCD_Wstr(2,7,"");LCD_Wstr(3,3,"<"); break; case8: LCD_Wstr(3,3,"");LCD_Wstr(3,7,"<"); break; case9: LCD_Wstr(1,0,"定时开"); LCD_Wstr(2,0,"时:"); LCD_Wstr(3,0,"分:"); LCD_Wstr(4,0,"秒:"); LCD_Setpos_two_Dispnum(2,2,Time_arry_o[2]); LCD_Setpos_two_Dispnum(3,2,Time_arry_o[1]); LCD_Setpos_two_Dispnum(4,2,Time_arry_o[0]); LCD_Wstr(2,7,"<"); break; case10: LCD_Wstr(2,7,""); LCD_Wstr(3,7,"<"); break; case11: LCD_Wstr(3,7,""); LCD_Wstr(4,7,"<"); break; case12: LCD_Wstr(1,0,"定时关"); LCD_Wstr(2,0,"时:"); LCD_Wstr(3,0,"分:"); LCD_Wstr(4,0,"秒:"); LCD_Setpos_two_Dispnum(2,2,Time_arry_c[2]); LCD_Setpos_two_Dispnum(3,2,Time_arry_c[1]); LCD_Setpos_two_Dispnum(4,2,Time_arry_c[0]); LCD_Wstr(2,7,"<"); break; case13: LCD_Wstr(2,7,""); LCD_Wstr(3,7,"<"); break; case14: LCD_Wstr(3,7,""); LCD_Wstr(4,7,"<"); break; } } if(Key_value==2||ir_num==2) { ir_num=0; switch(Menu_Count) { case0: status=(status==1)?0:1; break; case1: if(temp_h<99) temp_h++; LCD_Setpos_Dispnum(1,5,temp_h); break; case2: if(temp_l<temp_h) temp_l++; LCD_Setpos_Dispnum(2,5,temp_l); break; case3: if(Time_arry[5]<99) Time_arry[5]++; Ds1302_Save_Demo(ds1302_year_add,Time_arry[5]); LCD_Setpos_Dispnum(1,2,Time_arry[5]); break; case4: if(Time_arry[4]<12) Time_arry[4]++; Ds1302_Save_Demo(ds1302_month_add,Time_arry[4]); LCD_Setpos_Dispnum(1,6,Time_arry[4]); break; case5: if(Time_arry[3]<31) Time_arry[3]++; Ds1302_Save_Demo(ds1302_date_add,Time_arry[3]); LCD_Setpos_Dispnum(2,2,Time_arry[3]); break; case6: if(Time_arry[2]<24) Time_arry[2]++; Ds1302_Save_Demo(ds1302_hr_add,Time_arry[2]); LCD_Setpos_Dispnum(2,6,Time_arry[2]); break; case7: if(Time_arry[1]<60) Time_arry[1]++; Ds1302_Save_Demo(ds1302_min_add,Time_arry[1]); LCD_Setpos_Dispnum(3,2,Time_arry[1]); break; case8: if(Time_arry[0]<60) Time_arry[0]++; Ds1302_Save_Demo(ds1302_sec_add,Time_arry[0]); LCD_Setpos_Dispnum(3,6,Time_arry[0]); break; case9: if(Time_arry_o[2]<24) Time_arry_o[2]++; LCD_Setpos_Dispnum(2,2,Time_arry_o[2]); break; case10: if(Time_arry_o[1]<60) Time_arry_o[1]++; LCD_Setpos_Dispnum(3,2,Time_arry_o[1]); break; case11: if(Time_arry_o[0]<60) Time_arry_o[0]++; LCD_Setpos_Dispnum(4,2,Time_arry_o[0]); break; case12: if(Time_arry_c[2]<24) Time_arry_c[2]++; LCD_Setpos_Dispnum(2,2,Time_arry_c[2]); break; case13: if(Time_arry_c[1]<60) Time_arry_c[1]++; LCD_Setpos_Dispnum(3,2,Time_arry_c[1]); break; case14: if(Time_arry_c[0]<60) Time_arry_c[0]++; LCD_Setpos_Dispnum(4,2,Time_arry_c[0]); break; } } if(Key_value==3||ir_num==3) { ir_num=0; switch(Menu_Count) { case0: if(++mode>2) mode=0; break; case1: if(temp_h>temp_l) temp_h--; LCD_Setpos_Dispnum(1,5,temp_h); break; case2: if(temp_l>0) temp_l--; LCD_Setpos_Dispnum(2,5,temp_l); break; case3: if(Time_arry[5]>0) Time_arry[5]--; Ds1302_Save_Demo(ds1302_year_add,Time_arry[5]); LCD_Setpos_Dispnum(1,2,Time_arry[5]); break; case4: if(Time_arry[4]>0) Time_arry[4]--; Ds1302_Save_Demo(ds1302_month_add,Time_arry[4]); LCD_Setpos_Dispnum(1,6,Time_arry[4]); break; case5: if(Time_arry[3]>0) Time_arry[3]--; Ds1302_Save_Demo(ds1302_date_add,Time_arry[3]); LCD_Setpos_Dispnum(2,2,Time_arry[3]); break; case6: if(Time_arry[2]>0) Time_arry[2]--; Ds1302_Save_Demo(ds1302_hr_add,Time_arry[2]); LCD_Setpos_Dispnum(2,6,Time_arry[2]); break; case7: if(Time_arry[1]>0) Time_arry[1]--; Ds1302_Save_Demo(ds1302_min_add,Time_arry[1]); LCD_Setpos_Dispnum(3,2,Time_arry[1]); break; case8: if(Time_arry[0]>0) Time_arry[0]--; Ds1302_Save_Demo(ds1302_sec_add,Time_arry[0]); LCD_Setpos_Dispnum(3,6,Time_arry[0]); break; case9: if(Time_arry_o[2]>0) Time_arry_o[2]--; LCD_Setpos_Dispnum(2,2,Time_arry_o[2]); break; case10: if(Time_arry_o[1]>0) Time_arry_o[1]--; LCD_Setpos_Dispnum(3,2,Time_arry_o[1]); break; case11: if(Time_arry_o[0]>0) Time_arry_o[0]--; LCD_Setpos_Dispnum(4,2,Time_arry_o[0]); break; case12: if(Time_arry_c[2]>0) Time_arry_c[2]--; LCD_Setpos_Dispnum(2,2,Time_arry_c[2]); break; case13: if(Time_arry_c[1]>0) Time_arry_c[1]--; LCD_Setpos_Dispnum(3,2,Time_arry_c[1]); break; case14: if(Time_arry_c[0]>0) Time_arry_c[0]--; LCD_Setpos_Dispnum(4,2,Time_arry_c[0]); break; } } }intmain(void){delay_init(); //延时函数初始化NVIC_Configuration(); //不可缺？PA13/14/15&PB3/4默认配置为JTAG功能，需要把JTAG关掉 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_AFIO,ENABLE);GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE); delay_ms(500); Hwjs_Init();// TIM3_PWM_Init_Demo(1000,7199);//72000000/7200=10000HZ LCD_Init(); DS18B20_Init_Demo();DS1302_Init_Demo(); KEY_Init_Demo();LCD_Wstr(1,0,"年月日");LCD_Wstr(2,0,"时分秒"); LCD_Wstr(3,0,"温度:"); LCD_Wstr(4,0,"档位:");while(1){ Key_value_Demo(Key_Process_Demo); if(Menu_Count==0) { Ds1302_Read_Time_Demo(Time_arry); LCD_Setpos_two_Dispnum(1,0,Time_arry[5]); LCD_Setpos_two_Dispnum(1,2,Time_arry[4]); LCD_Setpos_two_Dispnum(1,4,Time_arry[3]); LCD_Setpos_two_Dispnum(2,0,Time_arry[2]); LCD_Setpos_two_Dispnum(2,2,Time_arry[1]); LCD_Setpos_two_Dispnum(2,4,Time_arry[0]); temp=DS18B20_Get_Temp_Demo(); LCD_Setpos_Dispnum(3,3,temp); LCD_Setpos_Dispnum(4,3,mode); switch(mode) { case0: TIM_SetCompare2(TIM3,0); break; case1: TIM_SetCompare2(TIM3,500); break; case2: TIM_SetCompare2(TIM3,1000); break; } if(status==1) { LCD_Wstr(4,6,"自动"); if(temp<temp_l) {mode=0;}elseif(temp>=temp_l&&temp<temp_h) {mode=1;}elseif(temp>temp_h) {mode=2;}else {mode=0;} }else {LCD_Wstr(4,6,"手动");} if(Time_arry[2]==Time_arry_o[2]&&Time_arry[1]==Time_arry_o[1]&&Time_arry[0]==Time_arry_o[0]) {status=1;} if(Time_arry[2]==Time_arry_c[2]&&Time_arry[1]==Time_arry_c[1]&&Time_arry[0]==Time_arry_c[0]) {status=0; mode=0;} }delay_ms(100);}}/******stm32c8t6*********文件：delay.c**********/#include"delay.h"#include"sys.h"#ifSYSTEM_SUPPORT_UCOS#include"includes.h" //ucos使用 #endifstaticu8fac_us=0;//us延时倍乘数staticu16fac_ms=0;//ms延时倍乘数#ifdefOS_CRITICAL_METHOD //如果OS_CRITICAL_METHOD定义了,说明使用ucosII了.//systick中断服务函数,使用ucos时用到voidSysTick_Handler(void){ OSIntEnter(); //进入中断OSTimeTick();//调用ucos的时钟服务程序OSIntExit();//触发任务切换软中断}#endif//初始化延迟函数voiddelay_init() {#ifdefOS_CRITICAL_METHOD //如果OS_CRITICAL_METHOD定义了,说明使用ucosII了. u32reload;#endif SysTick_CLKSourceConfig(SysTick_CLKSource_HCLK_Div8); //选择外部时钟HCLK/8 fac_us=SystemCoreClock/8000000; //为系统时钟的1/8#ifdefOS_CRITICAL_METHOD //如果OS_CRITICAL_METHOD定义了,说明使用ucosII了. reload=SystemCoreClock/8000000; //每秒钟的计数次数单位为K reload*=1000000/OS_TICKS_PER_SEC;//根据OS_TICKS_PER_SEC设定溢出时间 //reload为24位寄存器,最大值:16777216,在72M下,约合1.86s左右 fac_ms=1000/OS_TICKS_PER_SEC;//代表ucos可以延时的最少单位 SysTick->CTRL|=SysTick_CTRL_TICKINT_Msk; //开启SYSTICK中断 SysTick->LOAD=reload; //每1/OS_TICKS_PER_SEC秒中断一次 SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk; //开启SYSTICK#else fac_ms=(u16)fac_us*1000;//非ucos下,代表每个ms需要的systick时钟数#endif} #ifdefOS_CRITICAL_METHOD //使用了ucos//延时nus//nus为要延时的us数. voiddelay_us(u32nus){ u32ticks; u32told,tnow,tcnt=0; u32reload=SysTick->LOAD; //LOAD的值 ticks=nus*fac_us; //需要的节拍数 tcnt=0; told=SysTick->VAL;//刚进入时的计数器值 while(1) { tnow=SysTick->VAL; if(tnow!=told) { if(tnow<told)tcnt+=told-tnow;//SYSTICK是一个递减的计数器就可以了. elsetcnt+=reload-tnow+told; told=tnow; if(tcnt>=ticks)break;//时间超过/等于要延迟的时间,则退出. } }; }//延时nms//nms:要延时的ms数voiddelay_ms(u16nms){ if(OSRunning==TRUE)//如果os已经在跑了 { if(nms>=fac_ms)//延时的时间大于ucos的最少时间周期 { OSTimeDly(nms/fac_ms);//ucos延时 } nms%=fac_ms; //ucos已经无法提供这么小的延时了,采用普通方式延时 } delay_us((u32)(nms*1000)); //普通方式延时,此时ucos无法启动调度.}#else//不用ucos时//延时nus//nus为要延时的us数. voiddelay_us(u32nus){ u32temp; SysTick->LOAD=nus*fac_us;//时间加载 SysTick->VAL=0x00;//清空计数器 SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk;//开始倒数 do { temp=SysTick->CTRL; } while(temp&0x01&&!(temp&(1<<16)));//等待时间到达 SysTick->CTRL&=~SysTick_CTRL_ENABLE_Msk;//关闭计数器 SysTick->VAL=0X00;//清空计数器 }//延时nmsvoiddelay_ms(u16nms){ u32temp; SysTick->LOAD=(u32)nms*fac_ms;//时间加载(SysTick->LOAD为24bit) SysTick->VAL=0x00;//清空计数器 SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk;//开始倒数 do { temp=SysTick->CTRL; } while(temp&0x01&&!(temp&(1<<16)));//等待时间到达 SysTick->CTRL&=~SysTick_CTRL_ENABLE_Msk;//关闭计数器 SysTick->VAL=0X00;//清空计数器 }#endif/******stm32c8t6*********文件：sys.c**********************/#include"sys.h"voidNVIC_Configuration(void){NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //设置NVIC中断分组2:2位抢占优先级，2位响应优先级}/******stm32c8t6*********文件：My_Demo.c**********************/#include"My_Demo.h"#include"My_Config.h"#ifCONFIG_KEY==ENABLEDvoidKey_value_Demo(pKey_Processkey_Process) //独立按键程序{ unsignedcharKey_value;#ifKEY_COUNT==1 if(Demo_KEY1==0) { delay_ms(5);//去抖动 if(Demo_KEY1==0) { Key_value=1; while(!Demo_KEY1); } } #endif #ifKEY_COUNT==2 if((Demo_KEY1==0)||(Demo_KEY2==0)) { delay_ms(5);//去抖动 if(Demo_KEY1==0) {Key_value=1; while(!Demo_KEY1);} if(Demo_KEY2==0) {Key_value=2;while(!Demo_KEY2);} } #endif #ifKEY_COUNT==3 if((Demo_KEY1==0)||(Demo_KEY2==0)||(Demo_KEY3==0)) { delay_ms(5);//去抖动 if(Demo_KEY1==0) {Key_value=1;while(!Demo_KEY1);} if(Demo_KEY2==0) {Key_value=2; while(!Demo_KEY2);} if(Demo_KEY3==0) {Key_value=3; while(!Demo_KEY3);} } #endif else Key_value=21; key_Process(Key_value);}voidKEY_Init_Demo(void){ GPIO_InitTypeDefGPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOA,ENABLE);//使能PORTA,PORTC时钟 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//关闭jtag，使能SWD，可以用SWD模式调试#ifKEY_COUNT==1 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_12;//PA15 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU;//设置成上拉输入 GPIO_Init(GPIOB,&GPIO_InitStructure);//初始化GPIOA15 #endif#ifKEY_COUNT==2 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_12|GPIO_Pin_13;//PA15 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU;//设置成上拉输入 GPIO_Init(GPIOB,&GPIO_InitStructure);//初始化GPIOA15 #endif#ifKEY_COUNT==3 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14;//PA15 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU;//设置成上拉输入 GPIO_Init(GPIOB,&GPIO_InitStructure);//初始化GPIOA15 #endif }#ifCONFIG_TIMER3_PWN==ENABLEDvoidTIM3_PWM_Init_Demo(u16arr,u16psc){ GPIO_InitTypeDefGPIO_InitStructure; TIM_TimeBaseInitTypeDefTIM_TimeBaseStructure; TIM_OCInitTypeDefTIM_OCInitStructure; RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3,ENABLE); //使能定时器3时钟 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_AFIO,ENABLE); GPIO_PinRemapConfig(GPIO_PartialRemap_TIM3,ENABLE); GPIO_InitStructure.GPIO_Pin=GPIO_Pin_5; GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP;//复用推挽输出 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; GPIO_Init(GPIOB,&GPIO_InitStructure);//初始化GPIO//初始化TIM3 TIM_TimeBaseStructure.TIM_Period=arr; TIM_TimeBaseStructure.TIM_Prescaler=psc; TIM_TimeBaseStructure.TIM_ClockDivision=0; TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; TIM_TimeBaseInit(TIM3,&TIM_TimeBaseStructure); //初始化TIM3Channel2PWM模式 TIM_OCInitStructure.TIM_OCMode=TIM_OCMode_PWM2; TIM_OCInitStructure.TIM_OutputState=TIM_OutputState_Enable; TIM_OCInitStructure.TIM_OCPolarity=TIM_OCPolarity_Low;//超过对比的部分为低电平0，持续为低电平 TIM_OC2Init(TIM3,&TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM3,TIM_OCPreload_Enable); TIM_Cmd(TIM3,ENABLE);}/**DEMO//0为最亮，899为最暗TIM3_PWM_Init_Demo(899,0);//0~900,bufenpingTIM_SetCompare2(TIM3,100);#endif#ifCONFIG_DS18b02==ENABLED//复位DS18B20voidDS18B20_Rst_Demo(void) { DS18B20_IO_OUT();//SETPA0OUTPUTDS18B20_DQ_OUT=0;//拉低DQdelay_us(750);//拉低750usDS18B20_DQ_OUT=1;//DQ=1 delay_us(15);//15US}//等待DS18B20的回应//返回1:未检测到DS18B20的存在//返回0:存在u8DS18B20_Check_Demo(void) { u8retry=0; DS18B20_IO_IN();//SETPA0INPUT while(DS18B20_DQ_IN&&retry<200) {retry++; delay_us(1);}; if(retry>=200)return1; elseretry=0;while(!DS18B20_DQ_IN&&retry<240) {retry++; delay_us(1);}; if(retry>=240)return1; return0;}//从DS18B20读取一个位//返回值：1/0u8DS18B20_Read_Bit_Demo(void) //readonebit{u8data; DS18B20_IO_OUT();//SETPA0OUTPUTDS18B20_DQ_OUT=0; delay_us(2);DS18B20_DQ_OUT=1; DS18B20_IO_IN();//SETPA0INPUT delay_us(12); if(DS18B20_DQ_IN)data=1;elsedata=0; delay_us(50);returndata;}//从DS18B20读取一个字节//返回值：读到的数据u8DS18B20_Read_Byte_Demo(void)//readonebyte{u8i,j,dat;dat=0; for(i=1;i<=8;i++) {j=DS18B20_Read_Bit_Demo();dat=(j<<7)|(dat>>1);} returndat;}//写一个字节到DS18B20//dat：要写入的字节voidDS18B20_Write_Byte_Demo(u8dat){u8j;u8testb; DS18B20_IO_OUT();//SETPA0OUTPUT;for(j=1;j<=8;j++) {testb=dat&0x01;dat=dat>>1;if(testb){DS18B20_DQ_OUT=0;//Write1delay_us(2);DS18B20_DQ_OUT=1;delay_us(60);}else{DS18B20_DQ_OUT=0;//Write0delay_us(60);DS18B20_DQ_OUT=1;delay_us(2);}}}//开始温度转换voidDS18B20_Start_Demo(void)//ds1820startconvert{ DS18B20_Rst_Demo(); DS18B20_Check_Demo(); DS18B20_Write_Byte_Demo(0xcc);//skipromDS18B20_Write_Byte_Demo(0x44);//convert}//初始化DS18B20的IO口DQ同时检测DS的存在//返回1:不存在；返回0:存在 u8DS18B20_Init_Demo(void){ GPIO_InitTypeDefGPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE); //使能PORTA口时钟 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0; //PORTA0推挽输出 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; GPIO_Init(GPIOB,&GPIO_InitStructure); GPIO_SetBits(GPIOB,GPIO_Pin_0);//输出1 DS18B20_Rst_Demo(); returnDS18B20_Check_Demo();}//从ds18b20得到温度值//精度：0.1C；返回值：温度值（-550~1250）shortDS18B20_Get_Temp_Demo(void){u8temp;u8TL,TH; shorttem;DS18B20_Start_Demo();DS18B20_Rst_Demo();DS18B20_Check_Demo(); DS18B20_Write_Byte_Demo(0xcc);//skipromDS18B20_Write_Byte_Demo(0xbe);//convert TL=DS18B20_Read_Byte_Demo();//LSBTH=DS18B20_Read_Byte_Demo();//MSB if(TH>7){TH=~TH;TL=~TL;temp=0;//温度为负}elsetemp=1;//温度为正 tem=TH;//获得高八位tem<<=8;tem+=TL;//获得底八位tem=(float)tem*0.625;//转换 if(temp)returntem/10;//返回温度值 elsereturn-tem;}#endif#ifCONFIG_DS1302==ENABLEDconstunsignedcharDs1302_write_add_Demo[]={0x80,0x82,0x84,0x86,0x88,0x8c,0x8a};//写地址constunsignedcharDs1302_read_add_Demo[]={0x81,0x83,0x85,0x87,0x89,0x8d,0x8b};//读地址//DS1302初始化voidDS1302_Init_Demo(void){GPIO_InitTypeDefGPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE); GPIO_InitStructure.GPIO_Pin=GPIO_Pin_11|GPIO_Pin_1|GPIO_Pin_10; GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; GPIO_Init(GPIOB,&GPIO_InitStructure); GPIO_SetBits(GPIOB,GPIO_Pin_1);//PB1拉高 GPIO_ResetBits(GPIOB,GPIO_Pin_11|GPIO_Pin_10);//PB0，PB10置低}//向DS1302写入一个字节数据voidDS1302_Write_Byte_Demo(u8addr,u8data){u8i; DS1302_RST=0;//停止DS1302总线 delay_us(10); DS1302_RST=1;//启动DS1302总线 addr=addr&0xFE;//最低位置零，写数据 DS1302_IO_OUT(); for(i=0;i<8;i++)//写地址 { if(addr&0x01) DS1302_DATA_OUT=1; else DS1302_DATA_OUT=0; DS1302_SCK=1;//产生时钟 delay_us(10); DS1302_SCK=0; addr=addr>>1; } for(i=0;i<8;i++)//写数据 { if(data&0x01) DS1302_DATA_OUT=1; else DS1302_DATA_OUT=0; DS1302_SCK=1;//产生时钟 delay_us(10); DS1302_SCK=0; data=data>>1; }DS1302_RST=0;//停止DS1302总线}//从DS1302读出一个字节数据u8DS1302_Read_Byte_Demo(u8addr){u8i,temp; DS1302_RST=0;//停止DS1302总线 delay_us(10); DS1302_RST=1;//启动DS1302总线 addr=addr|0x01;//最低位置高，读数据 DS1302_IO_OUT(); for(i=0;i<8;i++)//写地址 {if(addr&0x01) DS1302_DATA_OUT=1; else DS1302_DATA_OUT=0; DS1302_SCK=1;//产生时钟 delay_us(10); DS1302_SCK=0; addr=addr>>1; } DS1302_IO_IN(); for(i=0;i<8;i++)//读数据 {temp=temp>>1; if(DS1302_DATA_IN) temp|=0x80; else temp&=0x7F; DS1302_SCK=1;//产生时钟 delay_us(10); DS1302_SCK=0; } DS1302_RST=0;//停止DS1302总线 returntemp;}unsignedcharBCD_Decimal_Demo(unsignedcharbcd)//BCD码转十进制函数{unsignedcharDecimal; Decimal=bcd>>4; return(Decimal=Decimal*10+(bcd&=0x0F));}/*************读时间、年月日***************/voidDs1302_Read_Time_Demo(unsignedchar*arry){ *arry=BCD_Decimal_Demo(DS1302_Read_Byte_Demo(Ds1302_read_add_Demo[0])); *(arry+1)=BCD_Decimal_Demo(DS1302_Read_Byte_Demo(Ds1302_read_add_Demo[1])); //读分 *(arry+2)=BCD_Decimal_Demo(DS1302_Read_Byte_Demo(Ds1302_read_add_Demo[2])); //读时 *(arry+3)=BCD_Decimal_Demo(DS1302_Read_Byte_Demo(Ds1302_read_add_Demo[3])); //读日 *(arry+4)=BCD_Decimal_Demo(DS1302_Read_Byte_Demo(Ds1302_read_add_Demo[4])); //读月 *(arry+5)=BCD_Decimal_Demo(DS1302_Read_Byte_Demo(Ds1302_read_add_Demo[5])); //读年 *(arry+6)=BCD_Decimal_Demo(DS1302_Read_Byte_Demo(Ds1302_read_add_Demo[6])); //读星期}voidDs1302_Save_Demo(unsignedcharpo,unsignedchardat){ unsignedchartemp; temp=(dat)/10*16+(dat)%10;//十进制转换成DS1302要求的DCB码 DS1302_Write_Byte_Demo(0x8e,0x00);//允许写，禁止写保护 DS1302_Write_Byte_Demo(po,temp);//向DS1302内写分寄存器82H写入调整后的分数据BCD码 DS1302_Write_Byte_Demo(0x8e,0x80);//打开写保护 }#endif#ifCONFIG_IR_REC==ENABLED//条件编译：检查CONFIG_IR_REC是否等于ENABLED如果是，则编译接下来的代码块。#include<stm32f10x_exti.h>unsignedcharir_num; //用于存储接收到的红外数据的数量或状态u32hw_jsm;//用于存储接收到的红外数据u8hw_jsbz;unsignedcharIm[4]={0x00,0x00,0x00,0x00}; //IRCOM[0]~IRCOM[3]：地址码、地址反码、按键码、按键反码(都是十六进制)voidHwjs_Init()//初始化{ GPIO_InitTypeDefGPIO_InitStructure; EXTI_InitTypeDefEXTI_InitStructure; NVIC_InitTypeDefNVIC_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);//外部中断，需要使能AFIO时钟RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);//使能PORTA,PORTC时钟 //配置GPIOA的引脚8为上拉输入模式 GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource8); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPD; GPIO_InitStructure.GPIO_Pin=GPIO_Pin_8; GPIO_Init(GPIOA,&GPIO_InitStructure); EXTI_ClearITPendingBit(EXTI_Line8);//清除EXTI线8的挂起位 //配置EXTI线8 EXTI_InitStructure.EXTI_Line=EXTI_Line8; EXTI_InitStructure.EXTI_Mode=EXTI_Mode_Interrupt; EXTI_InitStructure.EXTI_Trigger=EXTI_Trigger_Falling; EXTI_InitStructure.EXTI_LineCmd=ENABLE; EXTI_Init(&EXTI_InitStructure); //配置NVIC通道EXTI9_5_IRQn NVIC_InitStructure.NVIC_IRQChannel=EXTI9_5_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0; NVIC_InitStructure.NVIC_IRQChannelSubPriority=1; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; NVIC_Init(&NVIC_InitStructure); }voidnvic_on_off(u8status)//配置STM32微控制器中NVIC的函数{ NVIC_InitTypeDefNVIC_InitStructure; if(status) { NVIC_InitStructure.NVIC_IRQChannel=EXTI9_5_IRQn;//EXTI9_5 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0; NVIC_InitStructure.NVIC_IRQChannelSubPriority=1; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; NVIC_Init(&NVIC_InitStructure); }else { NVIC_InitStructure.NVIC_IRQChannel=EXTI9_5_IRQn;//EXTI9_5 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0; NVIC_InitStructure.NVIC_IRQChannelSubPriority=1; NVIC_InitStructure.NVIC_IRQChannelCmd=DISABLE; NVIC_Init(&NVIC_InitStructure); }}u8HW_jssj(void)//测量红外信号高电平持续的时间{ u8t=0; while(GPIO_ReadInputDataBit(GPIOA,GPIO_Pin_8)==1)//当GPIOA的引脚8处于高电平时，进入循环 { t++; delay_us(20); if(t>250)// {returnt; } }returnt;}voidEXTI9_5_IRQHandler(void)//处理红外信号的接收和解码{ u8Tim=0;//记录高电平持续的时间 u8ok=0;//标记是否检测到开始位 u8DATA=0;//当前读取的数据位 u8Num=0;//计数器，记录接收到的数据位数量 nvic_on_off(0); while(1) { if(GPIO_ReadInputDataBit(GPIOA,GPIO_Pin_8)==1)// { Tim=HW_jssj(); if(Tim>=250)break;//停止位 if(Tim>=200&&Tim<250) {ok=1;//开始位 } elseif(Tim>=60&&Tim<90) {DATA=1;//数据位1 }elseif(Tim>=10&&Tim<50) {DATA=0;//数据位0 } if(ok==1) {hw_jsm<<=1; hw_jsm+=DATA; if(Num>=32) { hw_jsbz=1; //temp=(u8*)&hw_jsm; Im[2]=hw_jsm>>8;//提取按键码 switch(Im[2]) { case(0XA2):ir_num=1;break; case(0X62):ir_num=2;break; case(0XE2):ir_num=3;break; case(0xE1):ir_num=4;break; case(0x81):ir_num=5;break; case(0x43):ir_num=6;break; case(0x07):ir_num=7;break; } Im[2]=0; break; } } Num++;// } } EXTI_ClearITPendingBit(EXTI_Line8);//清除EXTI线8的挂起位，确保下次中断能够正确触发}#endif#ifCONFIG_LCD12864_LIB==ENABLEDvoidDelay_10ms(void){delay_ms(10);}staticvoidLCD_GPIO_Init(void){ GPIO_InitTypeDefGPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4 |GPIO_Pin_5 ; GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; GPIO_Init(GPIOA,&GPIO_InitStructure); GPIO_SetBits(GPIOA,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5); }voidLCD_Init