STM32F1 Standard Peripheral bibliotheek  1.0
ST Microelectronics bibliotheek documentatie voor de STM32F1 Standard Peripheral Library
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stm32f10x_i2c.h File Reference

This file contains all the functions prototypes for the I2C firmware library. More...

#include "stm32f10x.h"

Go to the source code of this file.

Data Structures

struct  I2C_InitTypeDef
 I2C Init structure definition. More...
 

Macros

#define IS_I2C_ALL_PERIPH(PERIPH)
 
#define I2C_Mode_I2C   ((uint16_t)0x0000)
 
#define I2C_Mode_SMBusDevice   ((uint16_t)0x0002)
 
#define I2C_Mode_SMBusHost   ((uint16_t)0x000A)
 
#define IS_I2C_MODE(MODE)
 
#define I2C_DutyCycle_16_9   ((uint16_t)0x4000)
 
#define I2C_DutyCycle_2   ((uint16_t)0xBFFF)
 
#define IS_I2C_DUTY_CYCLE(CYCLE)
 
#define I2C_Ack_Enable   ((uint16_t)0x0400)
 
#define I2C_Ack_Disable   ((uint16_t)0x0000)
 
#define IS_I2C_ACK_STATE(STATE)
 
#define I2C_Direction_Transmitter   ((uint8_t)0x00)
 
#define I2C_Direction_Receiver   ((uint8_t)0x01)
 
#define IS_I2C_DIRECTION(DIRECTION)
 
#define I2C_AcknowledgedAddress_7bit   ((uint16_t)0x4000)
 
#define I2C_AcknowledgedAddress_10bit   ((uint16_t)0xC000)
 
#define IS_I2C_ACKNOWLEDGE_ADDRESS(ADDRESS)
 
#define I2C_Register_CR1   ((uint8_t)0x00)
 
#define I2C_Register_CR2   ((uint8_t)0x04)
 
#define I2C_Register_OAR1   ((uint8_t)0x08)
 
#define I2C_Register_OAR2   ((uint8_t)0x0C)
 
#define I2C_Register_DR   ((uint8_t)0x10)
 
#define I2C_Register_SR1   ((uint8_t)0x14)
 
#define I2C_Register_SR2   ((uint8_t)0x18)
 
#define I2C_Register_CCR   ((uint8_t)0x1C)
 
#define I2C_Register_TRISE   ((uint8_t)0x20)
 
#define IS_I2C_REGISTER(REGISTER)
 
#define I2C_SMBusAlert_Low   ((uint16_t)0x2000)
 
#define I2C_SMBusAlert_High   ((uint16_t)0xDFFF)
 
#define IS_I2C_SMBUS_ALERT(ALERT)
 
#define I2C_PECPosition_Next   ((uint16_t)0x0800)
 
#define I2C_PECPosition_Current   ((uint16_t)0xF7FF)
 
#define IS_I2C_PEC_POSITION(POSITION)
 
#define I2C_IT_BUF   ((uint16_t)0x0400)
 
#define I2C_IT_EVT   ((uint16_t)0x0200)
 
#define I2C_IT_ERR   ((uint16_t)0x0100)
 
#define IS_I2C_CONFIG_IT(IT)   ((((IT) & (uint16_t)0xF8FF) == 0x00) && ((IT) != 0x00))
 
#define I2C_IT_SMBALERT   ((uint32_t)0x01008000)
 
#define I2C_IT_TIMEOUT   ((uint32_t)0x01004000)
 
#define I2C_IT_PECERR   ((uint32_t)0x01001000)
 
#define I2C_IT_OVR   ((uint32_t)0x01000800)
 
#define I2C_IT_AF   ((uint32_t)0x01000400)
 
#define I2C_IT_ARLO   ((uint32_t)0x01000200)
 
#define I2C_IT_BERR   ((uint32_t)0x01000100)
 
#define I2C_IT_TXE   ((uint32_t)0x06000080)
 
#define I2C_IT_RXNE   ((uint32_t)0x06000040)
 
#define I2C_IT_STOPF   ((uint32_t)0x02000010)
 
#define I2C_IT_ADD10   ((uint32_t)0x02000008)
 
#define I2C_IT_BTF   ((uint32_t)0x02000004)
 
#define I2C_IT_ADDR   ((uint32_t)0x02000002)
 
#define I2C_IT_SB   ((uint32_t)0x02000001)
 
#define IS_I2C_CLEAR_IT(IT)   ((((IT) & (uint16_t)0x20FF) == 0x00) && ((IT) != (uint16_t)0x00))
 
#define IS_I2C_GET_IT(IT)
 
#define I2C_FLAG_DUALF   ((uint32_t)0x00800000)
 SR2 register flags.
 
#define I2C_FLAG_SMBHOST   ((uint32_t)0x00400000)
 
#define I2C_FLAG_SMBDEFAULT   ((uint32_t)0x00200000)
 
#define I2C_FLAG_GENCALL   ((uint32_t)0x00100000)
 
#define I2C_FLAG_TRA   ((uint32_t)0x00040000)
 
#define I2C_FLAG_BUSY   ((uint32_t)0x00020000)
 
#define I2C_FLAG_MSL   ((uint32_t)0x00010000)
 
#define I2C_FLAG_SMBALERT   ((uint32_t)0x10008000)
 SR1 register flags.
 
#define I2C_FLAG_TIMEOUT   ((uint32_t)0x10004000)
 
#define I2C_FLAG_PECERR   ((uint32_t)0x10001000)
 
#define I2C_FLAG_OVR   ((uint32_t)0x10000800)
 
#define I2C_FLAG_AF   ((uint32_t)0x10000400)
 
#define I2C_FLAG_ARLO   ((uint32_t)0x10000200)
 
#define I2C_FLAG_BERR   ((uint32_t)0x10000100)
 
#define I2C_FLAG_TXE   ((uint32_t)0x10000080)
 
#define I2C_FLAG_RXNE   ((uint32_t)0x10000040)
 
#define I2C_FLAG_STOPF   ((uint32_t)0x10000010)
 
#define I2C_FLAG_ADD10   ((uint32_t)0x10000008)
 
#define I2C_FLAG_BTF   ((uint32_t)0x10000004)
 
#define I2C_FLAG_ADDR   ((uint32_t)0x10000002)
 
#define I2C_FLAG_SB   ((uint32_t)0x10000001)
 
#define IS_I2C_CLEAR_FLAG(FLAG)   ((((FLAG) & (uint16_t)0x20FF) == 0x00) && ((FLAG) != (uint16_t)0x00))
 
#define IS_I2C_GET_FLAG(FLAG)
 
#define I2C_EVENT_MASTER_MODE_SELECT   ((uint32_t)0x00030001) /* BUSY, MSL and SB flag */
 Communication start. More...
 
#define I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED   ((uint32_t)0x00070082) /* BUSY, MSL, ADDR, TXE and TRA flags */
 Address Acknowledge. More...
 
#define I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED   ((uint32_t)0x00030002) /* BUSY, MSL and ADDR flags */
 
#define I2C_EVENT_MASTER_MODE_ADDRESS10   ((uint32_t)0x00030008) /* BUSY, MSL and ADD10 flags */
 
#define I2C_EVENT_MASTER_BYTE_RECEIVED   ((uint32_t)0x00030040) /* BUSY, MSL and RXNE flags */
 Communication events. More...
 
#define I2C_EVENT_MASTER_BYTE_TRANSMITTING   ((uint32_t)0x00070080) /* TRA, BUSY, MSL, TXE flags */
 
#define I2C_EVENT_MASTER_BYTE_TRANSMITTED   ((uint32_t)0x00070084) /* TRA, BUSY, MSL, TXE and BTF flags */
 
#define I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED   ((uint32_t)0x00020002) /* BUSY and ADDR flags */
 Communication start events. More...
 
#define I2C_EVENT_SLAVE_TRANSMITTER_ADDRESS_MATCHED   ((uint32_t)0x00060082) /* TRA, BUSY, TXE and ADDR flags */
 
#define I2C_EVENT_SLAVE_RECEIVER_SECONDADDRESS_MATCHED   ((uint32_t)0x00820000) /* DUALF and BUSY flags */
 
#define I2C_EVENT_SLAVE_TRANSMITTER_SECONDADDRESS_MATCHED   ((uint32_t)0x00860080) /* DUALF, TRA, BUSY and TXE flags */
 
#define I2C_EVENT_SLAVE_GENERALCALLADDRESS_MATCHED   ((uint32_t)0x00120000) /* GENCALL and BUSY flags */
 
#define I2C_EVENT_SLAVE_BYTE_RECEIVED   ((uint32_t)0x00020040) /* BUSY and RXNE flags */
 Communication events. More...
 
#define I2C_EVENT_SLAVE_STOP_DETECTED   ((uint32_t)0x00000010) /* STOPF flag */
 
#define I2C_EVENT_SLAVE_BYTE_TRANSMITTED   ((uint32_t)0x00060084) /* TRA, BUSY, TXE and BTF flags */
 
#define I2C_EVENT_SLAVE_BYTE_TRANSMITTING   ((uint32_t)0x00060080) /* TRA, BUSY and TXE flags */
 
#define I2C_EVENT_SLAVE_ACK_FAILURE   ((uint32_t)0x00000400) /* AF flag */
 
#define IS_I2C_EVENT(EVENT)
 
#define IS_I2C_OWN_ADDRESS1(ADDRESS1)   ((ADDRESS1) <= 0x3FF)
 
#define IS_I2C_CLOCK_SPEED(SPEED)   (((SPEED) >= 0x1) && ((SPEED) <= 400000))
 

Functions

void I2C_DeInit (I2C_TypeDef *I2Cx)
 Deinitializes the I2Cx peripheral registers to their default reset values. More...
 
void I2C_Init (I2C_TypeDef *I2Cx, I2C_InitTypeDef *I2C_InitStruct)
 Initializes the I2Cx peripheral according to the specified parameters in the I2C_InitStruct. More...
 
void I2C_StructInit (I2C_InitTypeDef *I2C_InitStruct)
 Fills each I2C_InitStruct member with its default value. More...
 
void I2C_Cmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Enables or disables the specified I2C peripheral. More...
 
void I2C_DMACmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Enables or disables the specified I2C DMA requests. More...
 
void I2C_DMALastTransferCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Specifies if the next DMA transfer will be the last one. More...
 
void I2C_GenerateSTART (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Generates I2Cx communication START condition. More...
 
void I2C_GenerateSTOP (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Generates I2Cx communication STOP condition. More...
 
void I2C_AcknowledgeConfig (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Enables or disables the specified I2C acknowledge feature. More...
 
void I2C_OwnAddress2Config (I2C_TypeDef *I2Cx, uint8_t Address)
 Configures the specified I2C own address2. More...
 
void I2C_DualAddressCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Enables or disables the specified I2C dual addressing mode. More...
 
void I2C_GeneralCallCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Enables or disables the specified I2C general call feature. More...
 
void I2C_ITConfig (I2C_TypeDef *I2Cx, uint16_t I2C_IT, FunctionalState NewState)
 Enables or disables the specified I2C interrupts. More...
 
void I2C_SendData (I2C_TypeDef *I2Cx, uint8_t Data)
 Sends a data byte through the I2Cx peripheral. More...
 
uint8_t I2C_ReceiveData (I2C_TypeDef *I2Cx)
 Returns the most recent received data by the I2Cx peripheral. More...
 
void I2C_Send7bitAddress (I2C_TypeDef *I2Cx, uint8_t Address, uint8_t I2C_Direction)
 Transmits the address byte to select the slave device. More...
 
uint16_t I2C_ReadRegister (I2C_TypeDef *I2Cx, uint8_t I2C_Register)
 Reads the specified I2C register and returns its value. More...
 
void I2C_SoftwareResetCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Enables or disables the specified I2C software reset. More...
 
void I2C_SMBusAlertConfig (I2C_TypeDef *I2Cx, uint16_t I2C_SMBusAlert)
 Drives the SMBusAlert pin high or low for the specified I2C. More...
 
void I2C_TransmitPEC (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Enables or disables the specified I2C PEC transfer. More...
 
void I2C_PECPositionConfig (I2C_TypeDef *I2Cx, uint16_t I2C_PECPosition)
 Selects the specified I2C PEC position. More...
 
void I2C_CalculatePEC (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Enables or disables the PEC value calculation of the transfered bytes. More...
 
uint8_t I2C_GetPEC (I2C_TypeDef *I2Cx)
 Returns the PEC value for the specified I2C. More...
 
void I2C_ARPCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Enables or disables the specified I2C ARP. More...
 
void I2C_StretchClockCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
 Enables or disables the specified I2C Clock stretching. More...
 
void I2C_FastModeDutyCycleConfig (I2C_TypeDef *I2Cx, uint16_t I2C_DutyCycle)
 Selects the specified I2C fast mode duty cycle. More...
 
ErrorStatus I2C_CheckEvent (I2C_TypeDef *I2Cx, uint32_t I2C_EVENT)
 I2C State Monitoring Functions. More...
 
uint32_t I2C_GetLastEvent (I2C_TypeDef *I2Cx)
 Returns the last I2Cx Event. More...
 
FlagStatus I2C_GetFlagStatus (I2C_TypeDef *I2Cx, uint32_t I2C_FLAG)
 Checks whether the specified I2C flag is set or not. More...
 
void I2C_ClearFlag (I2C_TypeDef *I2Cx, uint32_t I2C_FLAG)
 Clears the I2Cx's pending flags. More...
 
ITStatus I2C_GetITStatus (I2C_TypeDef *I2Cx, uint32_t I2C_IT)
 Checks whether the specified I2C interrupt has occurred or not. More...
 
void I2C_ClearITPendingBit (I2C_TypeDef *I2Cx, uint32_t I2C_IT)
 Clears the I2Cxs interrupt pending bits. More...
 

Detailed Description

This file contains all the functions prototypes for the I2C firmware library.

Author
MCD Application Team
Version
V3.3.0
Date
04/16/2010

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.

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