STM32模块初始化模版和函数寄存器汇总.doc

STM32学习笔记GPIO口GPIO初始化void GPIO_Configuration(void)GPIO_InitTypeDef GPIO_InitStructure;/声明结构体 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);/打开功能时钟 (再写这句程序的时候，必须进行时钟系统初始化的操作)。 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;/指明操作对象引脚 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;/设置IO口时钟为50MHz/10MHz/2MHz GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;/设置推挽输出/*GPIO_Mode_AIN 模拟输入 GPIO_Mode_IN_FLOATING 浮空输入 （一般为中断所使用）。GPIO_Mode_IPD 下拉输入 GPIO_Mode_IPU 上拉输入 GPIO_Mode_Out_OD 开漏输出 GPIO_Mode_Out_PP 推挽输出 GPIO_Mode_AF_OD 复用开漏输出 GPIO_Mode_AF_PP 复用推挽输出 */ （一般用在点灯）。 GPIO_Init(GPIOA, &GPIO_InitStructure); /执行初始化IO口GPIO常用函数GPIO_SetBits(GPIOA, GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7);/置高IO口GPIO_ResetBits(GPIOA,GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7);/置低IO口GPIO_WriteBit(GPIOA, GPIO_Pin_4, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOA, GPIO_Pin_4);/翻转IO口GPIOA-ODR = 0X0010 ;/IO口直接赋值语句GPIO_ReadInputDataBit(GPIOA,GPIO_Pin_3)(读取该口的电压值，相当于AVR的pin)。若IO口为高电平，则这个函数返回为1，为低电平时返回为0.SysTick系统时钟SysTick配置函数 if (SysTick_Config(SystemCoreClock / 3000)/配置时钟的频率,改变数字可改变频率，数字越大频率越快 /* Capture error */ while (1); EXTI中断外部中断外部中断IO口设置void GPIO_EXTI_Configuration(void) RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD, ENABLE);/使能时钟 RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);/使能复用IO时钟GPIO_InitTypeDef GPIO_InitStructure;/声明IO口初始化结构体 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;/指定PD.06为操作对象 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;/设置模式为浮空输入 GPIO_Init(GPIOC, &GPIO_InitStructure);/初始化IO口 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13|GPIO_Pin_14; /指定PD.13,14为操作对象 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; /设置模式为浮空输入 GPIO_Init(GPIOD, &GPIO_InitStructure);/初始化IO口 GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource6); /将PC.06映射到外部中断 GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource13); /将PD.13映射到外部中断 GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource14); /将PD.14映射到外部中断外部中断初始化 void EXTI_Configuration(void) EXTI_InitTypeDef EXTI_InitStructure;/声明外部中断初始化结构体 EXTI_InitStructure.EXTI_Line = EXTI_Line6|EXTI_Line13|EXTI_Line14;/使能外部中断线路6,13,14 EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;/设置EXTI线路模式为中断 EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;/设置触发方式为上升沿 EXTI_InitStructure.EXTI_LineCmd = ENABLE;/使能中断线路 EXTI_Init(&EXTI_InitStructure);/初始化结构体外部中断向量&优先级设定void NVIC_EXTI_Configuration(void) NVIC_InitTypeDef NVIC_InitStructure;/声明中断向量&优先级设定结构体 NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);/选择中断向量组别为2组 NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;/指定外部中断向量 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;/设置该中断的先占优先级 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;/设置该中断的从优先级 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;/使能该外部中断 NVIC_Init(&NVIC_InitStructure);/初始化外部中断NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;/ 指定外部中断向量 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;/设置该中断的先占优先级 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; /设置该中断的从优先级 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;/使能该外部中断 NVIC_Init(&NVIC_InitStructure); /初始化外部中断由抢先优先级和从优先级实现了中断嵌套，进而使程序即使处理更加要紧的事情。且高的抢先优先级可以打断低的抢先优先级，当抢先优先级相同时，那就比较从优先级，先响应高的。当二者都相同时，先响应物理地址低的中断。外部中断函数/*example1*/void EXTI9_5_IRQHandler(void) if(EXTI_GetITStatus(EXTI_Line6) != RESET)/如果对应的中断线路触发事件，注意可以一个中断向量对应多个中断引脚 /*add code */ EXTI_ClearITPendingBit(EXTI_Line6);/清中断标志 /*example2*/void EXTI15_10_IRQHandler(void) if(EXTI_GetITStatus(EXTI_Line13) != RESET)/如果对应的中断线路13触发事件，注意可以一个中断向量对应多个中断引脚 /* add code */ EXTI_ClearITPendingBit(EXTI_Line13);/清中断标志位 if(EXTI_GetITStatus(EXTI_Line14) != RESET)/如果对应的中断线路14触发事件，注意可以一个中断向量对应多个中断引脚 /* add code */ EXTI_ClearITPendingBit(EXTI_Line14); /清中断标志位 中断channel表WWDG_IRQChannel 窗口看门狗中断 0x00PVD_IRQChannel PVD 通过 EXTI 探测中断 TAMPER_IRQChannel 篡改中断 RTC_IRQChannel RTC 全局中断 FlashItf_IRQChannel FLASH全局中断 RCC_IRQChannel RCC 全局中断 EXTI0_IRQChannel 外部中断线 0 中断 EXTI1_IRQChannel 外部中断线 1 中断 EXTI2_IRQChannel 外部中断线 2 中断 EXTI3_IRQChannel 外部中断线 3 中断 EXTI4_IRQChannel 外部中断线 4 中断 DMAChannel1_IRQChannel DMA通道 1中断 DMAChannel2_IRQChannel DMA通道 2中断 DMAChannel3_IRQChannel DMA通道 3中断 DMAChannel4_IRQChannel DMA通道 4中断 DMAChannel5_IRQChannel DMA通道 5中断 DMAChannel6_IRQChannel DMA通道 6中断 DMAChannel7_IRQChannel DMA通道 7中断 ADC_IRQChannel ADC 全局中断 USB_HP_CANTX_IRQChannel USB 高优先级或者 CAN发送中断 USB_LP_CAN_RX0_IRQChannel USB 低优先级或者 CAN接收 0 中断 CAN_RX1_IRQChannel CAN接收 1中断 CAN_SCE_IRQChannel CAN SCE 中断EXTI9_5_IRQChannel 外部中断线 9-5 中断 （5至9对应一个中断源）。TIM1_BRK_IRQChannel TIM1 暂停中断 TIM1_UP_IRQChannel TIM1 刷新中断 TIM1_TRG_COM_IRQChannel TIM1 触发和通讯中断 TIM1_CC_IRQChannel TIM1 捕获比较中断 TIM2_IRQChannel TIM2 全局中断 TIM3_IRQChannel TIM3 全局中断 TIM4_IRQChannel TIM4 全局中断 I2C1_EV_IRQChannel I2C1 事件中断 I2C1_ER_IRQChannel I2C1 错误中断 I2C2_EV_IRQChannel I2C2 事件中断 I2C2_ER_IRQChannel I2C2 错误中断 SPI1_IRQChannel SPI1 全局中断 SPI2_IRQChannel SPI2 全局中断 USART1_IRQChannel USART1 全局中断 USART2_IRQChannel USART2 全局中断 USART3_IRQChannel USART3 全局中断 EXTI15_10_IRQChannel 外部中断线 15-10 中断 RTCAlarm_IRQChannel RTC 闹钟通过 EXTI线中断 USBWakeUp_IRQChannel USB 通过 EXTI线从悬挂唤醒中断EXIT中断分为三种：一种为0至4，一种为5至9，一种为10至15.中断优先级表NVIC_PriorityGroupNVIC_IRQChanne的先占优先级NVIC_IRQChann的从优先级描述NVIC_PriorityGroup_000-15先占优先级 0 位 从优先级 4位NVIC_PriorityGroup_10-10-7先占优先级 1 位 从优先级 3位NVIC_PriorityGroup_20-30-3先占优先级 2 位 从优先级 2位NVIC_PriorityGroup_30-70-1先占优先级 3 位 从优先级 1位NVIC_PriorityGroup_40-150先占优先级 4 位从优先级 0位TIM定时器TIM1TIM1 PWM波模式TIM1 基本配置初始化void TIM1_BASE_Configuration(void) TIM_DeInit(TIM1);/将定时器1寄存器设置为缺省值 /*TIM1基本设置*/TIM_TimeBaseInitTypeDef TIM1_TimeBaseStructure;/声明初始化结构体 TIM1_TimeBaseStructure.TIM_Prescaler = 0x0; /设置周期 TIM1_TimeBaseStructure.TIM_Period = 0xFFFF; / 设置分频，范围0-0XFFFF TIM1_TimeBaseStructure.TIM_ClockDivision = 0x0; /设置时钟分割TIM1_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;/计数模式，向上计数 TIM1_TimeBaseStructure.TIM_RepetitionCounter = 0x0;/计数器重载值 TIM_TimeBaseInit(TIM1,&TIM1_TimeBaseStructure);/初始化结构体TIM2TIM2普通模式TIM2 基本配置初始化void TIM2_BASE_Configuration(void) TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;/声明初始化结构体RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);/使能定时器2，注意时钟源是APB1TIM_TimeBaseStructure.TIM_Period = 7200; /设置周期时间，范围0-0XFFFF TIM_TimeBaseStructure.TIM_Prescaler = 9999;/ 设置分频，范围0-0XFFFF TIM_TimeBaseStructure.TIM_ClockDivision = 0;/时钟分割 TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;/向上计数 TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);/初始化定时器基本配置 TIM_ClearITPendingBit(TIM2, TIM_IT_Update);/清除刷新中断标志位 TIM_ITConfig(TIM2, TIM_IT_Update , ENABLE);/开启计数中断 TIM_Cmd(TIM2, ENABLE);/使能TIM2TIM2 中断初始化void NVIC_TIM2_Configuration(void)NVIC_InitTypeDef NVIC_InitStructure;/声明结构体 NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);/设置优先级组0,1,2,3,4 NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;/中断向量：定时器2全局中断 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;/设置先占优先级 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;/设置从优先级 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;/中断使能 NVIC_Init(&NVIC_InitStructure);/初始化中断TIM2 中断函数void TIM2_IRQHandler(void)/定时器2中断 if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET)/等待刷新完成 TIM_ClearITPendingBit(TIM2, TIM_IT_Update);/清刷新数据中断标志位 /*add code */ TIM3 TIM3 PWM波模式TIM3 PWM 基本初始化设置void TIM3_BASE_Configuration(void) TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; /声明基本初始化结构体RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); /T3时钟使能RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); /T3时钟使能TIM_TimeBaseStructure.TIM_Period = 7200; /周期 72M/7200=10KHz.TIM_TimeBaseStructure.TIM_Prescaler = 0; /分频TIM_TimeBaseStructure.TIM_ClockDivision = 0; /时钟分割TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; /计数模式TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); /执行初始化TIM3TIM_Cmd(TIM3, ENABLE); /使能计数TIM3 PWM 通道初始化void TIM3_CHANNEL_Configuration(void)TIM_OCInitTypeDef TIM_OCInitStructure; /声明初始化结构体/* 通道1 */TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; /模式选择：PWM2TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; /PWM波输出使能TIM_OCInitStructure.TIM_Pulse = CCR1_Val; /写比较值占空比TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; /比较时清零TIM_OC1Init(TIM3, &TIM_OCInitStructure);TIM_OC1PreloadConfig(TIM3, TIM_OCPreload_Enable); /使能预装载寄存器/* 通道2 */* PWM1 Mode configuration: Channel2 */TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; /PWM波输出使能TIM_OCInitStructure.TIM_Pulse = CCR2_Val; /写比较值占空比TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;TIM_OC2Init(TIM3, &TIM_OCInitStructure);TIM_OC2PreloadConfig(TIM3, TIM_OCPreload_Enable); /使能预装载寄存器/* 通道3 */* PWM1 Mode configuration: Channel3 */TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; /PWM波输出使能TIM_OCInitStructure.TIM_Pulse = CCR3_Val; /写比较值占空比TIM_OC3Init(TIM3, &TIM_OCInitStructure);TIM_OC3PreloadConfig(TIM3, TIM_OCPreload_Enable); /使能预装载寄存器/* 通道4 */* PWM1 Mode configuration: Channel4 */TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; /PWM波输出使能 TIM_OCInitStructure.TIM_Pulse = CCR4_Val; /写比较值占空比TIM_OC4Init(TIM3, &TIM_OCInitStructure);TIM_OC4PreloadConfig(TIM3, TIM_OCPreload_Enable); /使能预装载寄存器TIM_ARRPreloadConfig(TIM3, ENABLE); /重新装载计数使能TIM3 PWM IO口设置void GPIO_ TIM3_ Configuration(void)RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE);/使能时钟GPIO_InitTypeDef GPIO_InitStructure; /声明初始化结构体GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; /指定IO口GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; /模式为复用推挽输出GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; /最大速度50MHzGPIO_Init(GPIOA, &GPIO_InitStructure); /执行GPIO初始化GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1; /指定IO口GPIO_Init(GPIOB, &GPIO_InitStructure); /执行GPIO初始化TIM3 PWM 波占空比装载函数TIM_SetCompare4(TIM3,CCR4_Val);T=NxP/72MHz 其中N为周期数，P为分频数。N= TIM_Period- CCRx_Val。T即为所配出的PWM的周期。 UART串口UART 功能设置void UART_ Configuration(void)USART_InitTypeDef USART_InitStructure;/声明串口结构体 USART_InitStructure.USART_BaudRate = 115200;/波特率为115200 USART_InitStructure.USART_WordLength = USART_WordLength_8b;/数据长度8位 USART_InitStructure.USART_StopBits = USART_StopBits_1;/1位停止位 USART_InitStructure.USART_Parity = USART_Parity_No;/无奇偶校验 USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;/不使能硬件流控制 USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;/使能发送，接收 USART_Init(USART1, &USART_InitStructure);/初始化串口 USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);/串口接收中断使能/USART_ITConfig(USART1, USART_IT_TXE, ENABLE); /串口发送中断使能 USART_Cmd(USART1, ENABLE);/串口使能UART IO口设置void UART_ GPIO_Configuration(void)GPIO_InitTypeDef GPIO_InitStructure;/声明GPIO结构体RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1| RCC_APB2Periph_AFIO, ENABLE);/使能串口1，复用IO时钟 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);/使能GPIOA时钟 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;/GPIOA9为串口发送引脚，设置为复用推挽输出模式 GPIO_Init(GPIOA, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; /GPIOA10为串口接收引脚，设置为浮空输入 GPIO_Init(GPIOA, &GPIO_InitStructure);UART 中断初始化void NVIC_UART_Configuration(void) NVIC_InitTypeDef NVIC_InitStructure;/声明串口初始化结构体 NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);/设置优先级组 NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;/指定中断类型 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;/设置先占优先级 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;/设置从优先级 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;/使能中断 NVIC_Init(&NVIC_InitStructure);/执行初始化函数UART 常用函数while(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) = RESET);/等待接收为空 chars = (USART_ReceiveData(USART1); /接收字符 USART_SendData(USART1, chars);/发送接收到的字符while(USART_GetFlagStatus(USART1, USART_FLAG_TXE) = RESET);/等待发送完成UART 中断函数void USART1_IRQHandler(void)/串口1全局中断 unsigned char RxBuffer=0; if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)/如果是接收中断 RxBuffer = USART_ReceiveData(USART1);/缓存接收的数据 USART_ClearITPendingBit(USART1, USART_IT_RXNE);/清中断标志位 if(USART_GetITStatus(USART1, USART_IT_TXE) != RESET)/如果是发送中断 DMA直接内存存取DMA 初始化void DMA_ Configuration(void) RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);/使能时钟 DMA_DeInit(DMA1_Channel1);/将DMA1通道1初始化为缺省值 DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;/设定外设基地址，AD的地址为0x4001244C DMA_InitStructure.DMA_MemoryBaseAddr = (u32)ADCConvertedValue;/设定内存基地址,如果是数组直接写数组名。 DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&aa;/如果是单个变量，需要加”&”取地址符 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;/外设为数据源头 DMA_InitStructure.DMA_BufferSize = 16;/缓存区数据大小，根据设定的数组大小定就可以 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;/外设地址自加禁止，如果有多个外设绑定一个DMA通道的时候可以开启 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;/内部存储地址自加使能，如果是单个变量可以禁止 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;/外设数据宽度 16位 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;/内部存储数据宽度16位 DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;/循环模式 DMA_InitStructure.DMA_Priority = DMA_Priority_High;/DMA通道优先级 DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;/禁止内存到内存的传输 DMA_Init(DMA1_Channel1, &DMA_InitStructure); /* Enable DMA1 channel1 */ DMA_Cmd(DMA1_Channel1, ENABLE);/DMA总使能AD模数转换AD初始化void ADC_Configuration(void) ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;/ADC独立模式 ADC_InitStructure.ADC_ScanConvMode = ENABLE;/使能扫描转换模式 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;/使能连续转换模式 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;/没有外部触发源/ADC_ExternalTrigInjecConv_T1_TRGO 选择定时器 1 的 TRGO作为注入转换外部触发 /ADC_ExternalTrigInjecConv_T1_CC4 选择定时器1的捕获比较4作为注入转换外部触发 /ADC_ExternalTrigInjecConv_T2_TRGO 选择定时器 2 的 TRGO作为注入转换外部触发 /ADC_ExternalTrigInjecConv_T2_CC1 选择定时器2的捕获比较1作为注入转换外部触发 /ADC_ExternalTrigInjecConv_T3_CC4 选择定时器3的捕获比较4作为注入转换外部触发 /ADC_ExternalTrigInjecConv_T4_TRGO 选择定时器 4 的 TRGO作为注入转换外部触发 /AD