标签：cmd ble speed period channel class 设计 str cycle
//==文件time1.h============================================================#ifndef _TIME1_H_#define _TIME1_H_#include stm32f0xx.h//========定义PWM的频率================================================#define DEF_PWMFRE DEF_PWMFRE_16K#define DEF_PWMFRE_8K 8000 //计数周期值为48000000/8000=6000#define DEF_PWMFRE_16K 16000//计数周期值为48000000/16000=3000 0.02U/N#define DEF_PWMFRE_20K 20000//计数周期值为48000000/20000=2400#define DEF_PWMFRE_25K 25000//计数周期值为48000000/16000=1920#define DEF_PWMFRE_30K 30000//计数周期值为48000000/16000=1600//========PWM1 2 3通道输出使能位操作=====================================#define PWMA_Enb TIM1->CCER |= (uint16_t)(((uint16_t)TIM_CCER_CC1E))#define PWMA_Dis TIM1->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC1E))#define PWMB_Enb TIM1->CCER |= (uint16_t)(((uint16_t)TIM_CCER_CC2E))#define PWMB_Dis TIM1->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC2E))#define PWMC_Enb TIM1->CCER |= (uint16_t)(((uint16_t)TIM_CCER_CC3E))#define PWMC_Dis TIM1->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC3E))#define PWMD_Enb TIM1->CCER |= (uint16_t)(((uint16_t)TIM_CCER_CC4E))#define PWMD_Dis TIM1->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC4E))#define PWMABC_Dis TIM1->CCER &= (uint16_t)(~((uint16_t)(TIM_CCER_CC1E|TIM_CCER_CC2E|TIM_CCER_CC3E)))//========PWM1 2 3通道互补输出使能位操作=====================================#define PWMAN_Enb TIM1->CCER |= (uint16_t)(((uint16_t)TIM_CCER_CC1NE))#define PWMAN_Dis TIM1->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC1NE))#define PWMBN_Enb TIM1->CCER |= (uint16_t)(((uint16_t)TIM_CCER_CC2NE))#define PWMBN_Dis TIM1->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC2NE))#define PWMCN_Enb TIM1->CCER |= (uint16_t)(((uint16_t)TIM_CCER_CC3NE))#define PWMCN_Dis TIM1->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC3NE))#define PWMDN_Enb TIM1->CCER |= (uint16_t)(((uint16_t)TIM_CCER_CC4NE))#define PWMDN_Dis TIM1->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC4NE))#define PWMABCN_Enb TIM1->CCER |= (uint16_t)(((uint16_t)(TIM_CCER_CC1NE|TIM_CCER_CC2NE|TIM_CCER_CC3NE)))#define PWMABCN_Dis TIM1->CCER &= (uint16_t)(~((uint16_t)(TIM_CCER_CC1NE|TIM_CCER_CC2NE|TIM_CCER_CC3NE)))//========使能CC4 比较中断=====================================#define TIM1_CMP4IEN_ENB TIM1->DIER |= TIM_IT_CC4 //((uint16_t)0x0010)#define TIM1_CMP4IEN_DIS TIM1->DIER &= ~TIM_IT_CC4 ////========使能CC4 更新中断=====================================//#define TIM1_UpdateIEN_ENB TIM1->DIER |= TIM_IT_Update //((uint16_t)0x0010)//#define TIM1_UpdateIEN_DIS TIM1->DIER &= ~TIM_IT_Update //=========比较4中断进入的时间点=================================#define V_CCP4PW 150 ////===================================================extern void TIM1_GPIO_Init(void) ;extern void TIM1_PWM_Config(void);extern void ToPwmValue(uint16 Tcon) ;extern void BLDC_Bak(uint16_t PwmDuty) ;extern void BLDC_Bak_End(void) ;extern void TIM1_CCP4NVIC_Config(void) ;extern void ToCCP4PwmValue(uint16 PwmDuty) ;#endif /* _TIME1_H_ *///==文件time1.c============================================================#include global.h #include time1.hTIM_TimeBaseInitTypeDef TIM_Time1BaseStructure;TIM_OCInitTypeDef TIM_OCInitStructure;uint16_t TimerPeriod = 0;//#define DEF_PWM_NCP_ENB 1 //PWM互补使能定义/******************************************************************************** 函数名称: TIM1_GPIO_Init* 功能描述: TIM1--GPIO引脚配置---在此可以设置6路PWM输出* 输入参数: void* 返回参数: 无********************************************************************************/void TIM1_GPIO_Init(void){ GPIO_InitTypeDef GPIO_InitStructure; /* 使能GPIO时钟 */ RCC_AHBPeriphClockCmd( RCC_AHBPeriph_GPIOA, ENABLE); /* 配置GPIO管脚复用 PWM1 PWM2 PWM3 */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10;//|GPIO_Pin_11 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN ;//GPIO_PuPd_UP ; GPIO_Init(GPIOA, &GPIO_InitStructure); GPIO_PinAFConfig(GPIOA, GPIO_PinSource8, GPIO_AF_2); //开启PA8复用功能 GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_2); //开启PA9复用功能 GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_2); //开启PA10复用功能// GPIO_PinAFConfig(GPIOA, GPIO_PinSource11, GPIO_AF_2); //----------下管 PA7 PB0 PB1 配置--------------------------------------------------- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 ;// GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(GPIOA, &GPIO_InitStructure); //----------------------------------------------------------------------------------- /* 配置GPIO管脚 PWM2 PWM3 互补GPIO PB0 PB1 */ RCC_AHBPeriphClockCmd( RCC_AHBPeriph_GPIOB, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 ;//||GPIO_Pin_11 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(GPIOB, &GPIO_InitStructure); }/******************************************************************************** 函数名称: GPIO_DOWNPIN_ConfigRst* 功能描述: BLDC下管IO 配置为正常模式* 输入参数: void* 返回参数: 无********************************************************************************/void GPIO_DOWNPIN_AFConfigRst(void){ GPIO_InitTypeDef GPIO_InitStructure; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 ;// GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(GPIOA, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 ;//||GPIO_Pin_11 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(GPIOB, &GPIO_InitStructure); }/******************************************************************************** 函数名称: GPIO_DOWNPIN_AFConfig* 功能描述: BLDC下管IO 配置为AF 模式* 输入参数: void* 返回参数: 无********************************************************************************/void GPIO_DOWNPIN_AFConfig(void){ GPIO_InitTypeDef GPIO_InitStructure; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 ;// GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ; GPIO_Init(GPIOA, &GPIO_InitStructure); GPIO_PinAFConfig(GPIOA, GPIO_PinSource7, GPIO_AF_2); // //---------------------------------------------------------- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 ;//||GPIO_Pin_11 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ; GPIO_Init(GPIOB, &GPIO_InitStructure); GPIO_PinAFConfig(GPIOB, GPIO_PinSource0, GPIO_AF_2); // GPIO_PinAFConfig(GPIOB, GPIO_PinSource1, GPIO_AF_2) ; }/******************************************************************************** 函数名称: TIM1_PWM_Config* 功能描述: TIM1-PWM配置* 输入参数: void* 返回参数: 无********************************************************************************/void TIM1_PWM_Config(void){ /* TIM1 的配置 --------------------------------------------------- TIM1 输入时钟(TIM1CLK) 设置为 APB2 时钟 (PCLK2) => TIM1CLK = PCLK2 = SystemCoreClock TIM1CLK = SystemCoreClock, Prescaler = 0, TIM1 counter clock = SystemCoreClock SystemCoreClock 为48 MHz 我们的目标产生 4 路PWM 信号在17.57 KHz: - TIM1_Period = (SystemCoreClock / 17570) - 1 信道1设置的占空比为 50% 信道2设置的占空比为 37.5% 信道3设置的占空比为 25% 信道4设置的占空比为 12.5% 定时器脉冲的计算方式如下: - ChannelxPulse = DutyCycle * (TIM1_Period - 1) / 100 */ /*计算预定表的值，也就是多少个时钟计数为一个周期*/ //TimerPeriod = (SystemCoreClock / 17570 ) - 1; //TimerPeriod = (SystemCoreClock / DEF_PWMFRE ) - 1; TimerPeriod = (SystemCoreClock / DEF_PWMFRE); /* TIM1 时钟使能 */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1 , ENABLE); /* Time 定时基础设置*/ TIM_Time1BaseStructure.TIM_Prescaler = 0; TIM_Time1BaseStructure.TIM_CounterMode = TIM_CounterMode_Up; /* Time 定时设置为上升沿计算模式*/ TIM_Time1BaseStructure.TIM_Period = TimerPeriod; TIM_Time1BaseStructure.TIM_ClockDivision = 0; TIM_Time1BaseStructure.TIM_RepetitionCounter = 0; TIM_TimeBaseInit(TIM1, &TIM_Time1BaseStructure); /* 频道1，2，3，4的PWM 模式设置 */ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Disable ;//TIM_OutputState_Enable; //PWM输出使能位 TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Disable ;//TIM_OutputNState_Enable; //互补PWM输出使能位 TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //PWM 1为有效电平 TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_Low; //PWM互补 0为有效电平 TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set; TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset; TIM_OCInitStructure.TIM_Pulse = 0; //赋占空比值 TIM_OC1Init(TIM1, &TIM_OCInitStructure);//使能频道1配置 TIM_OCInitStructure.TIM_Pulse = 0; //赋占空比值 TIM_OC2Init(TIM1, &TIM_OCInitStructure);//使能频道2配置 TIM_OCInitStructure.TIM_Pulse = 0; //赋占空比值 TIM_OC3Init(TIM1, &TIM_OCInitStructure);//使能频道3配置//------使能比较四通道------------------------------------ TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Disable ;//TIM_OutputState_Enable; // TIM_OCInitStructure.TIM_Pulse = V_CCP4PW; TIM_OC4Init(TIM1, &TIM_OCInitStructure); TIM_ITConfig(TIM1,TIM_IT_CC4, ENABLE); //TIM1 比较四中断 //-------------------------------------------------------- /* TIM1 计算器使能*/ TIM_Cmd(TIM1, ENABLE); /* TIM1 主输出使能 */ TIM_CtrlPWMOutputs(TIM1, ENABLE); }/******************************************************************************** 函数名称: ToPwmValue* 功能描述: 赋各通道占空比值* 输入参数: 占空比值* 返回参数: 无********************************************************************************/void ToPwmValue(uint16 PwmDuty){ TIM1->CCR1 = PwmDuty ; TIM1->CCR2 = PwmDuty ; TIM1->CCR3 = PwmDuty ;// TIM1->CCR4 = PwmDuty ;}/******************************************************************************** 函数名称: BLDC_Bak* 功能描述: 刹车* 输入参数: 刹车占空比* 返回参数: 无********************************************************************************/void BLDC_Bak(uint16_t PwmDuty){ GPIO_DOWNPIN_AFConfig() ; PWMABC_Dis ; //关PWM输出 PWMABCN_Enb ; //使能互补PWM输出 TIM1->CCR1 = PwmDuty ; //赋刹车PWM值 TIM1->CCR2 = PwmDuty ; TIM1->CCR3 = PwmDuty ;}/******************************************************************************** 函数名称: BLDC_Bak_End* 功能描述: 刹车结束时 初始化化下管配置为正常IO模式* 输入参数: 刹车占空比* 返回参数: 无********************************************************************************/void BLDC_Bak_End(void){ PWMABCN_Dis ; //禁止互补输出 GPIO_DOWNPIN_AFConfigRst() ; // }/******************************************************************************** 函数名称: TIM1_CCP4NVIC_Config* 功能描述: TIM1 CCR4 中断配置* 输入参数: 无* 返回参数: 无********************************************************************************/void TIM1_CCP4NVIC_Config(void){ NVIC_InitTypeDef NVIC_InitStructure; /* TIM1 时钟使能 */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1 , ENABLE); /* TIM1 中断嵌套设计*/ NVIC_InitStructure.NVIC_IRQChannel = TIM1_CC_IRQn ;//TIM3_IRQn; NVIC_InitStructure.NVIC_IRQChannelPriority = 0; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); }/******************************************************************************** 函数名称: ToCCP4PwmValue* 功能描述: 赋比较4中断时间值* 输入参数: 占空比值* 返回参数: 无********************************************************************************/void ToCCP4PwmValue(uint16 PwmDuty){ TIM1->CCR4 = PwmDuty ;标签：cmd ble speed period channel class 设计 str cycle
原文地址：https://www.cnblogs.com/beiyhs/p/11412253.html
