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#include "stm32f10x.h"
#include "delay.h"
#include "LED.h"
#include "oled.h"
#include "ds18b20.h"
#include "usart.h"
#include "key.h"
#include "stm32f10x_tim.h"
unsigned int speed_count=0;//占空比計數(shù)器 50次一周期
static void NVIC_TIM2Configuration(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
/* Set the Vector Table base address at 0x08000000 */
//NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0000);
/* Enable the TIM5 gloabal Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void TIM2_Init(void)
{ TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
/* TIM2 clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
/* Time base configuration */
//這個就是自動裝載的計數(shù)值，由于計數(shù)是從0開始的，周期為100us
TIM_TimeBaseStructure.TIM_Period = (100 - 1);//10kHz
// 這個就是預(yù)分頻系數(shù)，當(dāng)由于為0時表示不分頻所以要減1
TIM_TimeBaseStructure.TIM_Prescaler = (72 - 1);//1MHz
// 高級應(yīng)用本次不涉及。定義在定時器時鐘(CK_INT)頻率與數(shù)字濾波器(ETR,TIx)
// 使用的采樣頻率之間的分頻比例
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
//向上計數(shù)
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
//初始化定時器5
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
/* Clear TIM5 update pending flag[清除TIM5溢出中斷標(biāo)志] */
TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
/* TIM IT enable */ //打開溢出中斷
TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
/* TIM5 enable counter */
TIM_Cmd(TIM2, ENABLE); //計數(shù)器使能，開始工作
/* 中斷參數(shù)配置 */
NVIC_TIM2Configuration();
}
int main(void)
{
u8 a=0;u8 b=0; u8 c=0; int temp=0;
u8 set=20;
u8 shiwei=0;
u8 gewei=0;
float temperature;
Init_LEDpin();
delay_init();
OLED_Init(); //初始化OLED
DS18B20_Init(); //PC13
uart_init(9600);
KEY_Init();//按鍵初始化PA2 PA4
TIM2_Init();//電機運動PWM定時器
// OLED_ShowString(0,0, "");
// OLED_ShowString(0,16,"imodule");
OLED_ShowString(0,32,"NowTemp:");
OLED_ShowString(0,48,"SetTemp:");
// OLED_ShowString(63,48,"CODE:"); OLED_ShowNum(63,32,3,1,16);
// OLED_ShowChar(63,50,'r',1,1); OLED_ShowNum(63,32,34,2,16);
OLED_Refresh_Gram();
while(1)
{
if( !S1)
{
delay_ms(10);
if(!S1)
{
while( !S1);
set+=1;
shiwei=set/10;
gewei=set%10;
OLED_ShowNum(63,48,shiwei,1,16);
OLED_ShowNum(71,48,gewei,1,16);
OLED_ShowChar(79,48,'.',16,1);
OLED_ShowNum(87,48,0,1,16);
OLED_ShowChar(95,48,'^',16,1);
OLED_ShowChar(103,48,'C',16,1);
OLED_Refresh_Gram();
printf("temperature:");
}
}
if(!S2)
{
delay_ms(10);
if(!S2)
{
while(!S2);
set-=1;
shiwei=set/10;
gewei=set%10;
OLED_ShowNum(63,48,shiwei,1,16);
OLED_ShowNum(71,48,gewei,1,16);
OLED_ShowChar(79,48,'.',16,1);
OLED_ShowNum(87,48,0,1,16);
OLED_ShowChar(95,48,'^',16,1);
OLED_ShowChar(103,48,'C',16,1);
OLED_Refresh_Gram();
printf("temp:");
}
}
if( speed_count >= 500)
{
speed_count = 0;
temperature=DS18B20_Get_Temp();
temp=(int)temperature;
a=temp/100;
b=(temp/10)%10;
c=temp%10;
OLED_ShowNum(63,32,a,1,16);
OLED_ShowNum(71,32,b,1,16);
OLED_ShowChar(79,32,'.',16,1);
OLED_ShowNum(87,32,c,1,16);
OLED_ShowChar(95,32,'^',16,1);
OLED_ShowChar(103,32,'C',16,1);
OLED_Refresh_Gram();
printf("temperature=%.2f \n",temperature/10);
}
}
}

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