本群stm定時(shí)器STM32按鍵調(diào)控PWM輸出串口占空比

STM32+按鍵調(diào)控輸出+串口輸出占空比(2010-09-20STM32#include#include"STM32Lib\\stm32f10x.h"#include"hal.h"FunctionName:PB0,5,8,9;PC5,7;PD7PA8LEDvoidGPIO_Configuration(void){STM32的設(shè)計(jì)角度上說,沒被允許的端將不接入時(shí)鐘,也就不會(huì)耗能,STM32節(jié)能的一種技巧,*/RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);/*PC8按鍵輸入GPIO_InitStructure.GPIO_Pin=GPIO_Pin_8;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU;//上拉輸入GPIO_Init(GPIOC,&GPIO_InitStructure);/*PC9按鍵輸入*/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_9;GPIO_InitStructure.GPIO_ModeGPIO_Mode_IPU;//上拉輸入GPIO_Init(GPIOC,&GPIO_InitStructure);}#ifndef#ifndefHAL_H#defineexternvoid externvoid #defineGET_LEFT()(GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_8))#defineGET_RIGHT()(GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_9))externvoidUSART1_Putc(u8c);externexternvoidUSART_Configuration(void);externvoidUSART1_Puts(char*str);#include"STM32Lib\\stm32f10x.h"voidTim1_Configuration(void){ GPIO_InitTypeDef/*PA8設(shè)置為功能腳( )*/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_8;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_Init(GPIOA,&GPIO_InitStructure);/*TIM1TIM_TimeBaseStructure.TIM_Prescaler=72; TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; TIM_TimeBaseStructure.TIM_Period=2000; //裝載值1000k/2000=500hzTIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1;TIM_TimeBaseStructure.TIM_RepetitionCounter=0x0;/*Channel1Configurationin mode*/TIM_OCInitStructure.TIM_OCMode=TIM_OCMode_ TIM_OCInitStructure.TIM_OutputState=TIM_OutputState_Enable; TIM_OCInitStructure.TIM_OutputNState=TIM_OutputNState_Disable;//反向通道無效TIM_OCInitStructure.TIM_Pulse=300; TIM_OCInitStructure.TIM_OCPolarity=TIM_OCPolarity_Low; Polarity= 性性TIM_OCInitStructure.TIM_OCIdleState=TIM_OCIdleState_Set; IdleState=TIM_OCIdleState_Reset;/*TIM1counterenable/*TIM1MainOutputEnable*/ }void 1(u16{TIM1-}****功能:是PA8產(chǎn)生輸出,按鍵調(diào)節(jié)占空#include"STM32Lib\\stm32f10x.h"#include"hal.h"#defineSIZE charbuffer[10]={" voidDelay(u16n);voidd_2_char(u32{ }voidDelay(u16{u16i;{}}externvoid 1(u16int{u16 {{{ }{}}}{{pulse-}{}} }}#includeTIM_OCInitTypeDefTIM_OCInitStructure;uint16_tCCR1_Val=250;uint16_tCCR2_Val=500;uint16_tCCR3_Val=750;uint16_tCCR4_Val=0;uint16_tPrescalerValue=0;voidRCC_Configuration(void); voidGPIO_Configuration(void); voidDelay(IOuint32_tnCount); int{PrescalerValue=(uint16_t)(SystemCoreClock/ )-1;TIM_TimeBaseStructure.TIM_Period=1000; TIM_TimeBaseStructure.TIM_Prescaler=PrescalerValue; TIM_TimeBaseStructure.TIM_ClockDivision=0; TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up;, /***************************通道1********************************/TIM_OCInitStructure.TIM_OCMode=TIM_OCMode_2; TIM_OCInitStructure.TIM_OutputState=TIM_OutputState_Enable; //功能使能TIM_OCInitStructure.TIM_Pulse=CCR1_Val; TIM_OCInitStructure.TIM_OCPolarity=TIM_OCPolarity_Low; TIM_OC1Init(TIM3,&TIM_OCInitStructure);/******************************2/*1Modeconfiguration:Channel2*/TIM_OCInitStructure.TIM_OutputState=TIM_OutputState_Enable;TIM_OCInitStructure.TIM_Pulse=CCR2_Val;TIM_OCInitStructure.TIM_OCPolarity=TIM_OCPolarity_High;TIM_OC2Init(TIM3,&TIM_OCInitStructure);TIM_OC2PreloadConfig(TIM3,TIM_OCPreload_Enable);/*******************************3 1Modeconfiguration:Channel3*/TIM_OCInitStructure.TIM_OutputState=TIM_OutputState_Enable;TIM_OCInitStructure.TIM_Pulse=CCR3_Val;TIM_OC3Init(TIM3,&TIM_OCInitStructure);TIM_OC3PreloadConfig(TIM3,TIM_OCPreload_Enable);/******************************4 1Modeconfiguration:Channel4*/TIM_OCInitStructure.TIM_OutputStateTIM_OutputState_Enable;TIM_OCInitStructure.TIM_Pulse=CCR4_Val;TIM_OC4Init(TIM3,&TIM_OCInitStructure);TIM_OC4PreloadConfig(TIM3,TIM_OCPreload_Enable);TIM_ARRPreloadConfig(TIM3,ENABLE); TIM_Cmd(TIM3,ENABLE); while(1) }}/**********************************************************/voidRCC_Configuration(void){, //T3RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO,ENABLE);}/********************************************************/voidGPIO_Configuration(void){GPIO_InitTypeDefGPIO_InitStructure;GPIO_InitStructure.GPIO_Pin=GPIO_Pin_6|GPIO_Pin_7;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_Init(GP