CLora/FWlib/inc/stm32f10x_usart.h

/**
  ******************************************************************************
  * @file    stm32f10x_usart.h
  * @author  MCD Application Team
  * @version V3.5.0
  * @date    11-March-2011
  * @brief   This file contains all the functions prototypes for the USART 
  *          firmware library.
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F10x_USART_H
#define __STM32F10x_USART_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"

/** @addtogroup STM32F10x_StdPeriph_Driver
  * @{
  */

/** @addtogroup USART
  * @{
  */ 

/** @defgroup USART_Exported_Types
  * @{
  */ 

/** 
  * @brief  USART Init Structure definition  
  */ 
  
typedef struct
{
	//--波特率
  uint32_t USART_BaudRate;            /*!< This member configures the USART communication baud rate.
                                           The baud rate is computed using the following formula:
                                            - IntegerDivider = ((PCLKx) / (16 * (USART_InitStruct->USART_BaudRate)))
                                            - FractionalDivider = ((IntegerDivider - ((u32) IntegerDivider)) * 16) + 0.5 */
	//--字长
  uint16_t USART_WordLength;          /*!< Specifies the number of data bits transmitted or received in a frame.
                                           This parameter can be a value of @ref USART_Word_Length */
	///--停止位
  uint16_t USART_StopBits;            /*!< Specifies the number of stop bits transmitted.
                                           This parameter can be a value of @ref USART_Stop_Bits */
	//奇偶校验-
  uint16_t USART_Parity;              /*!< Specifies the parity mode.
                                           This parameter can be a value of @ref USART_Parity
                                           @note When parity is enabled, the computed parity is inserted
                                                 at the MSB position of the transmitted data (9th bit when
                                                 the word length is set to 9 data bits; 8th bit when the
                                                 word length is set to 8 data bits). */
	//--发送/接收使能
  uint16_t USART_Mode;                /*!< Specifies wether the Receive or Transmit mode is enabled or disabled.
                                           This parameter can be a value of @ref USART_Mode */
	//--硬件流控制
  uint16_t USART_HardwareFlowControl; /*!< Specifies wether the hardware flow control mode is enabled
                                           or disabled.
                                           This parameter can be a value of @ref USART_Hardware_Flow_Control */
} USART_InitTypeDef;

/** 
  * @brief  USART Clock Init Structure definition  
  */ 
  
typedef struct
{

  uint16_t USART_Clock;   /*!< Specifies whether the USART clock is enabled or disabled.
                               This parameter can be a value of @ref USART_Clock */

  uint16_t USART_CPOL;    /*!< Specifies the steady state value of the serial clock.
                               This parameter can be a value of @ref USART_Clock_Polarity */

  uint16_t USART_CPHA;    /*!< Specifies the clock transition on which the bit capture is made.
                               This parameter can be a value of @ref USART_Clock_Phase */

  uint16_t USART_LastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
                               data bit (MSB) has to be output on the SCLK pin in synchronous mode.
                               This parameter can be a value of @ref USART_Last_Bit */
} USART_ClockInitTypeDef;

/**
  * @}
  */ 

/** @defgroup USART_Exported_Constants
  * @{
  */ 
  
#define IS_USART_ALL_PERIPH(PERIPH) (((PERIPH) == USART1) || \
                                     ((PERIPH) == USART2) || \
                                     ((PERIPH) == USART3) || \
                                     ((PERIPH) == UART4) || \
                                     ((PERIPH) == UART5))

#define IS_USART_123_PERIPH(PERIPH) (((PERIPH) == USART1) || \
                                     ((PERIPH) == USART2) || \
                                     ((PERIPH) == USART3))

#define IS_USART_1234_PERIPH(PERIPH) (((PERIPH) == USART1) || \
                                      ((PERIPH) == USART2) || \
                                      ((PERIPH) == USART3) || \
                                      ((PERIPH) == UART4))
/** @defgroup USART_Word_Length 
  * @{
  */ 
  
#define USART_WordLength_8b                  ((uint16_t)0x0000)
#define USART_WordLength_9b                  ((uint16_t)0x1000)
                                    
#define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WordLength_8b) || \
                                      ((LENGTH) == USART_WordLength_9b))
/**
  * @}
  */ 

/** @defgroup USART_Stop_Bits 
  * @{
  */ 
  
#define USART_StopBits_1                     ((uint16_t)0x0000)
#define USART_StopBits_0_5                   ((uint16_t)0x1000)
#define USART_StopBits_2                     ((uint16_t)0x2000)
#define USART_StopBits_1_5                   ((uint16_t)0x3000)
#define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_StopBits_1) || \
                                     ((STOPBITS) == USART_StopBits_0_5) || \
                                     ((STOPBITS) == USART_StopBits_2) || \
                                     ((STOPBITS) == USART_StopBits_1_5))
/**
  * @}
  */ 

/** @defgroup USART_Parity 
  * @{
  */ 
  
#define USART_Parity_No                      ((uint16_t)0x0000)
#define USART_Parity_Even                    ((uint16_t)0x0400)
#define USART_Parity_Odd                     ((uint16_t)0x0600) 
#define IS_USART_PARITY(PARITY) (((PARITY) == USART_Parity_No) || \
                                 ((PARITY) == USART_Parity_Even) || \
                                 ((PARITY) == USART_Parity_Odd))
/**
  * @}
  */ 

/** @defgroup USART_Mode 
  * @{
  */ 
  
#define USART_Mode_Rx                        ((uint16_t)0x0004)
#define USART_Mode_Tx                        ((uint16_t)0x0008)
#define IS_USART_MODE(MODE) ((((MODE) & (uint16_t)0xFFF3) == 0x00) && ((MODE) != (uint16_t)0x00))
/**
  * @}
  */ 

/** @defgroup USART_Hardware_Flow_Control 
  * @{
  */ 
#define USART_HardwareFlowControl_None       ((uint16_t)0x0000)
#define USART_HardwareFlowControl_RTS        ((uint16_t)0x0100)
#define USART_HardwareFlowControl_CTS        ((uint16_t)0x0200)
#define USART_HardwareFlowControl_RTS_CTS    ((uint16_t)0x0300)
#define IS_USART_HARDWARE_FLOW_CONTROL(CONTROL)\
                              (((CONTROL) == USART_HardwareFlowControl_None) || \
                               ((CONTROL) == USART_HardwareFlowControl_RTS) || \
                               ((CONTROL) == USART_HardwareFlowControl_CTS) || \
                               ((CONTROL) == USART_HardwareFlowControl_RTS_CTS))
/**
  * @}
  */ 

/** @defgroup USART_Clock 
  * @{
  */ 
#define USART_Clock_Disable                  ((uint16_t)0x0000)
#define USART_Clock_Enable                   ((uint16_t)0x0800)
#define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_Clock_Disable) || \
                               ((CLOCK) == USART_Clock_Enable))
/**
  * @}
  */ 

/** @defgroup USART_Clock_Polarity 
  * @{
  */
  
#define USART_CPOL_Low                       ((uint16_t)0x0000)
#define USART_CPOL_High                      ((uint16_t)0x0400)
#define IS_USART_CPOL(CPOL) (((CPOL) == USART_CPOL_Low) || ((CPOL) == USART_CPOL_High))

/**
  * @}
  */ 

/** @defgroup USART_Clock_Phase
  * @{
  */

#define USART_CPHA_1Edge                     ((uint16_t)0x0000)
#define USART_CPHA_2Edge                     ((uint16_t)0x0200)
#define IS_USART_CPHA(CPHA) (((CPHA) == USART_CPHA_1Edge) || ((CPHA) == USART_CPHA_2Edge))

/**
  * @}
  */

/** @defgroup USART_Last_Bit
  * @{
  */

#define USART_LastBit_Disable                ((uint16_t)0x0000)
#define USART_LastBit_Enable                 ((uint16_t)0x0100)
#define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LastBit_Disable) || \
                                   ((LASTBIT) == USART_LastBit_Enable))
/**
  * @}
  */ 

/** @defgroup USART_Interrupt_definition 
  * @{
  */
  
#define USART_IT_PE                          ((uint16_t)0x0028)
#define USART_IT_TXE                         ((uint16_t)0x0727)
#define USART_IT_TC                          ((uint16_t)0x0626)
#define USART_IT_RXNE                        ((uint16_t)0x0525)
#define USART_IT_IDLE                        ((uint16_t)0x0424)
#define USART_IT_LBD                         ((uint16_t)0x0846)
#define USART_IT_CTS                         ((uint16_t)0x096A)
#define USART_IT_ERR                         ((uint16_t)0x0060)
#define USART_IT_ORE                         ((uint16_t)0x0360)
#define USART_IT_NE                          ((uint16_t)0x0260)
#define USART_IT_FE                          ((uint16_t)0x0160)
#define IS_USART_CONFIG_IT(IT) (((IT) == USART_IT_PE) || ((IT) == USART_IT_TXE) || \
                               ((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
                               ((IT) == USART_IT_IDLE) || ((IT) == USART_IT_LBD) || \
                               ((IT) == USART_IT_CTS) || ((IT) == USART_IT_ERR))
#define IS_USART_GET_IT(IT) (((IT) == USART_IT_PE) || ((IT) == USART_IT_TXE) || \
                            ((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
                            ((IT) == USART_IT_IDLE) || ((IT) == USART_IT_LBD) || \
                            ((IT) == USART_IT_CTS) || ((IT) == USART_IT_ORE) || \
                            ((IT) == USART_IT_NE) || ((IT) == USART_IT_FE))
#define IS_USART_CLEAR_IT(IT) (((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
                               ((IT) == USART_IT_LBD) || ((IT) == USART_IT_CTS))
/**
  * @}
  */

/** @defgroup USART_DMA_Requests 
  * @{
  */

#define USART_DMAReq_Tx                      ((uint16_t)0x0080)
#define USART_DMAReq_Rx                      ((uint16_t)0x0040)
#define IS_USART_DMAREQ(DMAREQ) ((((DMAREQ) & (uint16_t)0xFF3F) == 0x00) && ((DMAREQ) != (uint16_t)0x00))

/**
  * @}
  */ 

/** @defgroup USART_WakeUp_methods
  * @{
  */

#define USART_WakeUp_IdleLine                ((uint16_t)0x0000)
#define USART_WakeUp_AddressMark             ((uint16_t)0x0800)
#define IS_USART_WAKEUP(WAKEUP) (((WAKEUP) == USART_WakeUp_IdleLine) || \
                                 ((WAKEUP) == USART_WakeUp_AddressMark))
/**
  * @}
  */

/** @defgroup USART_LIN_Break_Detection_Length 
  * @{
  */
  
#define USART_LINBreakDetectLength_10b      ((uint16_t)0x0000)
#define USART_LINBreakDetectLength_11b      ((uint16_t)0x0020)
#define IS_USART_LIN_BREAK_DETECT_LENGTH(LENGTH) \
                               (((LENGTH) == USART_LINBreakDetectLength_10b) || \
                                ((LENGTH) == USART_LINBreakDetectLength_11b))
/**
  * @}
  */

/** @defgroup USART_IrDA_Low_Power 
  * @{
  */

#define USART_IrDAMode_LowPower              ((uint16_t)0x0004)
#define USART_IrDAMode_Normal                ((uint16_t)0x0000)
#define IS_USART_IRDA_MODE(MODE) (((MODE) == USART_IrDAMode_LowPower) || \
                                  ((MODE) == USART_IrDAMode_Normal))
/**
  * @}
  */ 

/** @defgroup USART_Flags 
  * @{
  */

#define USART_FLAG_CTS                       ((uint16_t)0x0200)
#define USART_FLAG_LBD                       ((uint16_t)0x0100)
#define USART_FLAG_TXE                       ((uint16_t)0x0080)
#define USART_FLAG_TC                        ((uint16_t)0x0040)
#define USART_FLAG_RXNE                      ((uint16_t)0x0020)
#define USART_FLAG_IDLE                      ((uint16_t)0x0010)
#define USART_FLAG_ORE                       ((uint16_t)0x0008)
#define USART_FLAG_NE                        ((uint16_t)0x0004)
#define USART_FLAG_FE                        ((uint16_t)0x0002)
#define USART_FLAG_PE                        ((uint16_t)0x0001)
#define IS_USART_FLAG(FLAG) (((FLAG) == USART_FLAG_PE) || ((FLAG) == USART_FLAG_TXE) || \
                             ((FLAG) == USART_FLAG_TC) || ((FLAG) == USART_FLAG_RXNE) || \
                             ((FLAG) == USART_FLAG_IDLE) || ((FLAG) == USART_FLAG_LBD) || \
                             ((FLAG) == USART_FLAG_CTS) || ((FLAG) == USART_FLAG_ORE) || \
                             ((FLAG) == USART_FLAG_NE) || ((FLAG) == USART_FLAG_FE))
                              
#define IS_USART_CLEAR_FLAG(FLAG) ((((FLAG) & (uint16_t)0xFC9F) == 0x00) && ((FLAG) != (uint16_t)0x00))
#define IS_USART_PERIPH_FLAG(PERIPH, USART_FLAG) ((((*(uint32_t*)&(PERIPH)) != UART4_BASE) &&\
                                                  ((*(uint32_t*)&(PERIPH)) != UART5_BASE)) \
                                                  || ((USART_FLAG) != USART_FLAG_CTS)) 
#define IS_USART_BAUDRATE(BAUDRATE) (((BAUDRATE) > 0) && ((BAUDRATE) < 0x0044AA21))
#define IS_USART_ADDRESS(ADDRESS) ((ADDRESS) <= 0xF)
#define IS_USART_DATA(DATA) ((DATA) <= 0x1FF)

/**
  * @}
  */ 

/**
  * @}
  */ 

/** @defgroup USART_Exported_Macros
  * @{
  */ 

/**
  * @}
  */ 

/** @defgroup USART_Exported_Functions
  * @{
  */

//--将外设 USARTx 寄存器重设为缺省值
void USART_DeInit(USART_TypeDef* USARTx);
//--根据USART_InitStruct 中指定的参数初始化外设USARTx 寄存器
void USART_Init(USART_TypeDef* USARTx, USART_InitTypeDef* USART_InitStruct);
//--把USART_InitStruct 中的每一个参数按缺省值填入
void USART_StructInit(USART_InitTypeDef* USART_InitStruct);
//--
void USART_ClockInit(USART_TypeDef* USARTx, USART_ClockInitTypeDef* USART_ClockInitStruct);
void USART_ClockStructInit(USART_ClockInitTypeDef* USART_ClockInitStruct);
//--使能或者失能 USART 外设
void USART_Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
//--使能或者失能指定的 USART 中断
void USART_ITConfig(USART_TypeDef* USARTx, uint16_t USART_IT, FunctionalState NewState);
//--使能或者失能指定 USART 的 DMA 请求
void USART_DMACmd(USART_TypeDef* USARTx, uint16_t USART_DMAReq, FunctionalState NewState);
//--设置 USART 节点的地址
void USART_SetAddress(USART_TypeDef* USARTx, uint8_t USART_Address);
//--选择 USART 的唤醒方式
void USART_WakeUpConfig(USART_TypeDef* USARTx, uint16_t USART_WakeUp);
//--检查 USART 是否处于静默模式
void USART_ReceiverWakeUpCmd(USART_TypeDef* USARTx, FunctionalState NewState);
//--设置 USART LIN 中断检测长度
void USART_LINBreakDetectLengthConfig(USART_TypeDef* USARTx, uint16_t USART_LINBreakDetectLength);
//--使能或者失能 USARTx 的 LIN 模式
void USART_LINCmd(USART_TypeDef* USARTx, FunctionalState NewState);
//--通过外设 USARTx 发送单个数据
void USART_SendData(USART_TypeDef* USARTx, uint16_t Data);
//--返回 USARTx 最近接收到的数据
uint16_t USART_ReceiveData(USART_TypeDef* USARTx);
//--发送中断字
void USART_SendBreak(USART_TypeDef* USARTx);
//--设置指定的 USART 保护时间
void USART_SetGuardTime(USART_TypeDef* USARTx, uint8_t USART_GuardTime);
//--设置 USART 时钟预分频
void USART_SetPrescaler(USART_TypeDef* USARTx, uint8_t USART_Prescaler);
//--使能或者失能指定 USART 的智能卡模式
void USART_SmartCardCmd(USART_TypeDef* USARTx, FunctionalState NewState);
//--使能或者失能 NACK 传输
void USART_SmartCardNACKCmd(USART_TypeDef* USARTx, FunctionalState NewState);
//--使能或者失能 USART 半双工模式
void USART_HalfDuplexCmd(USART_TypeDef* USARTx, FunctionalState NewState);

void USART_OverSampling8Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
void USART_OneBitMethodCmd(USART_TypeDef* USARTx, FunctionalState NewState);

//--设置 USART IrDA 模式
void USART_IrDAConfig(USART_TypeDef* USARTx, uint16_t USART_IrDAMode);
//--使能或者失能 USART IrDA 模式
void USART_IrDACmd(USART_TypeDef* USARTx, FunctionalState NewState);
//--检查指定的 USART 标志位设置与否
FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint16_t USART_FLAG);
//--清除 USARTx 的待处理标志位
void USART_ClearFlag(USART_TypeDef* USARTx, uint16_t USART_FLAG);
//--检查指定的 USART 中断发生与否
ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint16_t USART_IT);
//--清除 USARTx 的中断待处理位
void USART_ClearITPendingBit(USART_TypeDef* USARTx, uint16_t USART_IT);

#ifdef __cplusplus
}
#endif

#endif /* __STM32F10x_USART_H */
/**
  * @}
  */ 

/**
  * @}
  */ 

/**
  * @}
  */ 

/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/