stm32f10x_i2c.h

通过手动烧写flash,实现了stm32的自动更新功能,用户可以再本例程的基础上修改实现通过串口或者网络实现程序的自动更新

/******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
* File Name          : stm32f10x_i2c.h
* Author             : MCD Application Team
* Date First Issued  : 09/29/2006
* Description        : This file contains all the functions prototypes for the
*                      I2C firmware library.
********************************************************************************
* History:
* 05/21/2007: V0.3
* 04/02/2007: V0.2
* 02/05/2007: V0.1
* 09/29/2006: V0.01
********************************************************************************
* THE PRESENT SOFTWARE 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 SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F10x_I2C_H
#define __STM32F10x_I2C_H

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_map.h"

/* Exported types ------------------------------------------------------------*/
/* I2C Init structure definition */
typedef struct
{
  INT16U I2C_Mode;
  INT16U I2C_DutyCycle;
  INT16U I2C_OwnAddress1;
  INT16U I2C_Ack;
  INT16U I2C_AcknowledgedAddress;
  INT32U I2C_ClockSpeed;
}I2C_InitTypeDef;

/* Exported constants --------------------------------------------------------*/
/* I2C modes */
#define I2C_Mode_I2C                    ((INT16U)0x0000)
#define I2C_Mode_SMBusDevice            ((INT16U)0x0002)
#define I2C_Mode_SMBusHost              ((INT16U)0x000A)

#define IS_I2C_MODE(MODE) ((MODE == I2C_Mode_I2C) || \
                           (MODE == I2C_Mode_SMBusDevice) || \
                           (MODE == I2C_Mode_SMBusHost))
/* I2C duty cycle in fast mode */
#define I2C_DutyCycle_16_9              ((INT16U)0x4000)
#define I2C_DutyCycle_2                 ((INT16U)0xBFFF)

#define IS_I2C_DUTY_CYCLE(CYCLE) ((CYCLE == I2C_DutyCycle_16_9) || \
                                  (CYCLE == I2C_DutyCycle_2))

/* I2C cknowledgementy */
#define I2C_Ack_Enable                  ((INT16U)0x0400)
#define I2C_Ack_Disable                 ((INT16U)0x0000)

#define IS_I2C_ACK_STATE(STATE) ((STATE == I2C_Ack_Enable) || \
                                 (STATE == I2C_Ack_Disable))

/* I2C transfer direction */
#define  I2C_Direction_Transmitter      ((INT8U)0x00)
#define  I2C_Direction_Receiver         ((INT8U)0x01)

#define IS_I2C_DIRECTION(DIRECTION) ((DIRECTION == I2C_Direction_Transmitter) || \
                                     (DIRECTION == I2C_Direction_Receiver))

/* I2C acknowledged address defines */
#define I2C_AcknowledgedAddress_7bit    ((INT16U)0x4000)
#define I2C_AcknowledgedAddress_10bit   ((INT16U)0xC000)

#define IS_I2C_ACKNOWLEDGE_ADDRESS(ADDRESS) ((ADDRESS == I2C_AcknowledgedAddress_7bit) || \
                                             (ADDRESS == I2C_AcknowledgedAddress_10bit))

/* I2C registers */
#define I2C_Register_CR1                ((INT8U)0x00)
#define I2C_Register_CR2                ((INT8U)0x04)
#define I2C_Register_OAR1               ((INT8U)0x08)
#define I2C_Register_OAR2               ((INT8U)0x0C)
#define I2C_Register_DR                 ((INT8U)0x10)
#define I2C_Register_SR1                ((INT8U)0x14)
#define I2C_Register_SR2                ((INT8U)0x18)
#define I2C_Register_CCR                ((INT8U)0x1C)
#define I2C_Register_TRISE              ((INT8U)0x20)

#define IS_I2C_REGISTER(REGISTER) ((REGISTER == I2C_Register_CR1) || \
                                   (REGISTER == I2C_Register_CR2) || \
                                   (REGISTER == I2C_Register_OAR1) || \
                                   (REGISTER == I2C_Register_OAR2) || \
                                   (REGISTER == I2C_Register_DR) || \
                                   (REGISTER == I2C_Register_SR1) || \
                                   (REGISTER == I2C_Register_SR2) || \
                                   (REGISTER == I2C_Register_CCR) || \
                                   (REGISTER == I2C_Register_TRISE))

/* I2C SMBus alert pin level */
#define I2C_SMBusAlert_Low              ((INT16U)0x2000)
#define I2C_SMBusAlert_High             ((INT16U)0xCFFF)

#define IS_I2C_SMBUS_ALERT(ALERT) ((ALERT == I2C_SMBusAlert_Low) || \
                                   (ALERT == I2C_SMBusAlert_High))

/* I2C PEC position */
#define I2C_PECPosition_Next            ((INT16U)0x0800)
#define I2C_PECPosition_Current         ((INT16U)0xF7FF)

#define IS_I2C_PEC_POSITION(POSITION) ((POSITION == I2C_PECPosition_Next) || \
                                       (POSITION == I2C_PECPosition_Current))

/* I2C interrupts definition */
#define I2C_IT_BUF                      ((INT16U)0x0400)
#define I2C_IT_EVT                      ((INT16U)0x0200)
#define I2C_IT_ERR                      ((INT16U)0x0100)

#define IS_I2C_CONFIG_IT(IT) (((IT & (INT16U)0xF8FF) == 0x00) && (IT != 0x00))

/* I2C interrupts definition */
#define I2C_IT_SMBALERT                 ((INT32U)0x10008000)
#define I2C_IT_TIMEOUT                  ((INT32U)0x10004000)
#define I2C_IT_PECERR                   ((INT32U)0x10001000)
#define I2C_IT_OVR                      ((INT32U)0x10000800)
#define I2C_IT_AF                       ((INT32U)0x10000400)
#define I2C_IT_ARLO                     ((INT32U)0x10000200)
#define I2C_IT_BERR                     ((INT32U)0x10000100)
#define I2C_IT_TXE                      ((INT32U)0x00000080)
#define I2C_IT_RXNE                     ((INT32U)0x00000040)
#define I2C_IT_STOPF                    ((INT32U)0x60000010)
#define I2C_IT_ADD10                    ((INT32U)0x20000008)
#define I2C_IT_BTF                      ((INT32U)0x60000004)
#define I2C_IT_ADDR                     ((INT32U)0xA0000002)
#define I2C_IT_SB                       ((INT32U)0x20000001)

#define IS_I2C_CLEAR_IT(IT) ((IT == I2C_IT_SMBALERT) || (IT == I2C_IT_TIMEOUT) || \
                             (IT == I2C_IT_PECERR) || (IT == I2C_IT_OVR) || \
                             (IT == I2C_IT_AF) || (IT == I2C_IT_ARLO) || \
                             (IT == I2C_IT_BERR) || (IT == I2C_IT_STOPF) || \
                             (IT == I2C_IT_ADD10) || (IT == I2C_IT_BTF) || \
                             (IT == I2C_IT_ADDR) || (IT == I2C_IT_SB))

#define IS_I2C_GET_IT(IT) ((IT == I2C_IT_SMBALERT) || (IT == I2C_IT_TIMEOUT) || \
                           (IT == I2C_IT_PECERR) || (IT == I2C_IT_OVR) || \
                           (IT == I2C_IT_AF) || (IT == I2C_IT_ARLO) || \
                           (IT == I2C_IT_BERR) || (IT == I2C_IT_TXE) || \