STM32相关知识点总结.doc

GPIO篇GPIO寄存器端口配置低位寄存器CRL; 32位端口配置高位寄存器CRH;32位端口输入数据寄存器IDR;32位端口输出数据寄存器ODR;32位置位/复位寄存器BSRR;32位复位寄存器BRR;16位锁定寄存器LCKR;32位GPIO库函数stm32f10x_gpio.h void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct);void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal);void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal);GPIO相关类型名typedef structtypedef struct _IO uint32_t CRL;uint16_t GPIO_Pin; _IO uint32_t CRH;GPIOSpeed_TypeDef GPIO_Speed; _IO uint32_t IDR;GPIOMode_TypeDef GPIO_Mode; _IO uint32_t ODR;GPIO_InitTypeDef; _IO uint32_t BSRR;typedef enum _IO uint32_t BRR; Bit_RESET = 0, _IO uint32_t LCKR;Bit_SET GPIO_TypeDef;BitAction;GPIO_Pin取值#define GPIO_Pin_0 #define GPIO_Pin_6 #define GPIO_Pin_12 #define GPIO_Pin_1 #define GPIO_Pin_7 #define GPIO_Pin_13 #define GPIO_Pin_2 #define GPIO_Pin_8 #define GPIO_Pin_14 #define GPIO_Pin_3 #define GPIO_Pin_9 #define GPIO_Pin_ 15 #define GPIO_Pin_4 #define GPIO_Pin_10 #define GPIO_Pin_All#define GPIO_Pin_5 #define GPIO_Pin_11 中断篇 NVIC相关寄存器 AIRCR寄存器P139中断使能设置寄存器ISERVECTKEY31:16DR/W 中断使能清除寄存器ICERENDIANESS15DR中断悬挂设置寄存器ISPRPRIGROUP10:8DR/W中断悬挂清除寄存器ICPRSYSRESETREQ2DW中断激活位寄存器IABRVECTCLRACTIVE1DW中断优先级寄存器IPVECTRESET0DW软件触发中断寄存器STIRTVOR寄存器 P138 TBLBASE 29段 R/W TBLOFF28:7段R 向量表起始地址 EXTI相关寄存器中断屏蔽寄存器EXTI_IMR设置是否屏蔽中断请求线上的中断请求事件屏蔽寄存器EXTI_EMR设置是否屏蔽事件请求线上的中断请求上升沿触发选择寄存器EXTI_RTSR设置是否用上升沿来触发中断和事件下降沿触发选择寄存器EXTI_FTSR设置是否用下降沿来触发中断和事件软件中断事件寄存器EXTI_SWIER用于软件触发中断/事件挂起寄存器EXTI_PR用于保存中断/事件请求线上是否有请求AFIO寄存器 AFIO_EVCR事件控制寄存器AFIO_EXTICRx外部中断配置寄存器AFIO_MAPR复用重映射和调试I/O配置寄存器系统控制寄存器SCB p138EXTI相关库函数 stm32f10x_exti.h void GPIO_EXTILineConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource); 设置IO口与中断线的映射关系void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct); 初始化中断线：触发方式等ITStatus EXTI_GetITStatus(uint32_t EXTI_Line);判断中断线中断状态，是否发生void EXTI_ClearITPendingBit(uint32_t EXTI_Line); 清除中断线上的中断标志位AFIO相关函数stm32f10x_rcc.hstm32f10x_gpio.hRCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);使能AFIO时钟GPIO_PinRemapConfig(GPIO_Remap_USART1, ENABLE);开启重映射根据第一个参数，来确定是部分重映射还是全部重映射NVIC相关函数core_cm3.hmisc.hvoid NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup);中断优先级分组函数void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct);中断参数初始化函数static _INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)；挂起中断static _INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)；static _INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)解挂中断static _INLINE uint32_t NVIC_GetActive(IRQn_Type IRQn)IABREXTI相关类型名GPIO_PortSource取值typedef struct#define GPIO_PortSourceGPIOA #define GPIO_PortSourceGPIOB uint32_t EXTI_Line; #define GPIO_PortSourceGPIOC EXTIMode_TypeDef EXTI_Mode; #define GPIO_PortSourceGPIOD EXTITrigger_TypeDef EXTI_Trigger; #define GPIO_PortSourceGPIOE FunctionalState EXTI_LineCmd; #define GPIO_PortSourceGPIOF EXTI_InitTypeDef;GPIO_PinSource取值 #defineGPIO_PinSource0 #define GPIO_PinSource6 #define GPIO_PinSource12 #define GPIO_PinSource1 #defineGPIO_PinSource7 #define GPIO_PinSource13 #define GPIO_PinSource2 #define GPIO_PinSource8 #define GPIO_PinSource14 #define GPIO_PinSource3 #define GPIO_PinSource9 #define GPIO_PinSource15 #define GPIO_PinSource4 #define GPIO_PinSource10 #define GPIO_PinSource5 #define GPIO_PinSource11 EXTI_Line取值#define EXTI_Line0 #define EXTI_Line7 #define EXTI_Line14 #define EXTI_Line1 #define EXTI_Line8 #define EXTI_Line15 #define EXTI_Line2 #define EXTI_Line9 #define EXTI_Line16 #define EXTI_Line3 #define EXTI_Line10 #define EXTI_Line17 #define EXTI_Line4 #define EXTI_Line11 #define EXTI_Line18 #define EXTI_Line5 #define EXTI_Line12 #define EXTI_Line19 #define EXTI_Line6 #define EXTI_Line13 typedef struct typedef enum typedef enump145 _IO uint32_t IMR; EXTI_Mode_Interrupt = 0x00, EXTI_Trigger_Rising = 0x08, _IO uint32_t EMR; EXTI_Mode_Event = 0x04 EXTI_Trigger_Falling = 0x0C, _IO uint32_t RTSR; EXTIMode_TypeDef;EXTI_Trigger_Rising_Falling = 0x10 _IO uint32_t FTSR; EXTITrigger_TypeDef; _IO uint32_t SWIER; _IO uint32_t PR; EXTI_TypeDef; NVIC相关类型名typedef structNVIC_PriorityGroup取值#define NVIC_PriorityGroup_0 uint8_t NVIC_IRQChannel; #define NVIC_PriorityGroup_1 uint8_t NVIC_IRQChannelPreemptionPriority;#define NVIC_PriorityGroup_2 uint8_t NVIC_IRQChannelSubPriority; #define NVIC_PriorityGroup_3 FunctionalState NVIC_IRQChannelCmd; #define NVIC_PriorityGroup_4 NVIC_InitTypeDef; AFIO相关类型名 typedef struct _IO uint32_t EVCR; _IO uint32_t MAPR; _IO uint32_t EXTICR4; _IO uint32_t MAPR2; AFIO_TypeDef;USART篇USART相关寄存器状态寄存器USART_SR反映USART单元状态数据寄存器USART_DR用于保存接收或发送的数据波特比率寄存器USART_BRR用于设置USART的波特率控制寄存器1USART_CR1用于控制USART控制寄存器2USART_CR2用于控制USART控制寄存器3USART_CR3用于控制USART保护时间和预分频寄存器USART_GTPR保护时间和预分频USART相关库函数stm32f10x_usart.hvoid USART_Init(); 串口初始化：波特率，数据字长，奇偶校验，硬件流控以及收发使能void USART_Cmd();使能串口void USART_ITConfig();使能相关中断void USART_SendData();发送数据到串口，DRvoid USART_ClearFlag();清除状态标志位void USART_ClearITPendingBit();清除中断状态标志位uint16_t USART_ReceiveData();接受数据，从DR读取接受到的数据FlagStatus USART_GetFlagStatus();获取状态标志位ITStatus USART_GetITStatus();获取中断状态标志位USART_DeInit(); 串口复位FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint16_t USART_FLAG);void USART_ClearITPendingBit(USART_TypeDef* USARTx, uint16_t USART_IT);串口传输状态获取USART相关类型名typedef struct p168typedef struct _IO uint16_t SR; uint32_t USART_BaudRate; 波特率 _IO uint16_t DR; uint16_t USART_WordLength; 字长 _IO uint16_t BRR; uint16_t USART_StopBits; 停止位长度 _IO uint16_t CR1; uint16_t USART_Parity; 奇偶校验_IO uint16_t CR2; uint16_t USART_Mode; 接收或发送模式 _IO uint16_t CR3; uint16_t USART_HardwareFlowControl; 硬件流控制_IO uint16_t GTPR; USART_InitTypeDef; USART_TypeDef;typedef enum DISABLE = 0, ENABLE = !DISABLE FunctionalState;USART_IT取值 #define USART_IT_PE #define USART_IT_IDLE #define USART_IT_ORE #define USART_IT_TXE #define USART_IT_LBD #define USART_IT_NE #define USART_IT_TC #define USART_IT_CTS #define USART_IT_FE #define USART_IT_RXNE #define USART_IT_ERR USART_FLAG取值typedef struct p169#define USART_FLAG_CTS #define USART_FLAG_IDLE uint16_t USART_Clock #define USART_FLAG_LBD #define USART_FLAG_ORE uint16_t USART_CPOL;#define USART_FLAG_TXE #define USART_FLAG_NE uint16_t USART_CPHA; #define USART_FLAG_TC #define USART_FLAG_FE uint16_t USART_LastBit; #define USART_FLAG_RXNE #define USART_FLAG_PE USART_ClockInitTypeDef; 通用定时器篇TIMx相关寄存器 p189 计数器当前值寄存器 CNT预分频寄存器 TIMx_PSC自动重装载寄存器 TIMx_ARR控制寄存器1 TIMx_CR1控制寄存器2 TIMx_CR2DMA中断使能寄存器 TIMx_DIERTIMx相关库函数 stm32f10x_tim.hvoid TIM_TimeBaseInit(TIM_TypeDef* TIMx, TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct); 定时器参数初始化void TIM_Cmd(TIM_TypeDef* TIMx, FunctionalState NewState) 定时器使能函数状态标志位获取和清除FlagStatus TIM_GetFlagStatus(TIM_TypeDef* TIMx, uint16_t TIM_FLAG);void TIM_ClearFlag(TIM_TypeDef* TIMx, uint16_t TIM_FLAG);ITStatus TIM_GetITStatus(TIM_TypeDef* TIMx, uint16_t TIM_IT);void TIM_ClearITPendingBit(TIM_TypeDef* TIMx, uint16_t TIM_IT); TIMx相关类型名 TIM_TypeDef p191typedef struct TIM_IT取值 #define TIM_IT_Update #define TIM_IT_CC4 uint16_t TIM_Prescaler; #define TIM_IT_CC1 #define TIM_IT_COM uint16_t TIM_CounterMode; #define TIM_IT_CC2 #define TIM_IT_Trigger uint16_t TIM_Period; #define TIM_IT_CC3 #define TIM_IT_Break uint16_t TIM_ClockDivision; uint8_t TIM_RepetitionCounter; TIM_TimeBaseInitTypeDef; TIM_FLAG取值#define TIM_FLAG_Update #define TIM_FLAG_CC4 #define TIM_FLAG_CC1OF #define TIM_FLAG_CC1 #define TIM_FLAG_COM #define TIM_FLAG_CC2OF #define TIM_FLAG_CC2 #define TIM_FLAG_Trigger #define TIM_FLAG_CC3OF #define TIM_FLAG_CC3 #define TIM_FLAG_Break #define TIM_FLAG_CC4OF RTC篇RTC相关寄存器 P210RTC控制寄存器 (RTC_CRH， RTC_CRL)RTC预分频装载寄存器 (RTC_PRLH， RTC_PRLL)RTC预分频余数寄存器 (RTC_DIVH， RTC_DIVL)RTC计数器寄存器 (RTC_CNTH， RTC_CNTL)RTC闹钟寄存器 (RTC_ALRH ，RTC_ALRL) 备份寄存器 BKP_DRx(x=1142) RTC相关库函数 stm32f10x_rtc.h stm32f10x_pwr.h stm32f10x_rcc.h stm32f10x_bkp.hvoid RTC_ITConfig(uint16_t RTC_IT, FunctionalState NewState); RTC中断设置函数void RTC_EnterConfigMode(void); 允许RTC配置 :CRL位 CNFvoid RTC_ExitConfigMode(void); 退出配置模式: CRL位 CNFvoid RTC_SetCounter(uint32_t CounterValue); 设置计数器值：CNTH/CNTLvoid RTC_SetPrescaler(uint32_t PrescalerValue); 预分频配置：PRLH/PRLLvoid RTC_SetAlarm(uint32_t AlarmValue); 闹钟设置：ALRH/ALRLvoid RTC_WaitForLastTask(void); 等待上次操作完成：CRL位RTOFFvoid RTC_WaitForSynchro(void); 等待时钟同步： CRL位RSFvoid RTC_ClearITPendingBit(uint16_t RTC_IT); void RTC_ClearFlag(ui