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

This file provides all the I2C firmware functions. More...

#include "stm32f10x_i2c.h"
#include "stm32f10x_rcc.h"

Macros

#define CR1_PE_Set   ((uint16_t)0x0001)
 
#define CR1_PE_Reset   ((uint16_t)0xFFFE)
 
#define CR1_START_Set   ((uint16_t)0x0100)
 
#define CR1_START_Reset   ((uint16_t)0xFEFF)
 
#define CR1_STOP_Set   ((uint16_t)0x0200)
 
#define CR1_STOP_Reset   ((uint16_t)0xFDFF)
 
#define CR1_ACK_Set   ((uint16_t)0x0400)
 
#define CR1_ACK_Reset   ((uint16_t)0xFBFF)
 
#define CR1_ENGC_Set   ((uint16_t)0x0040)
 
#define CR1_ENGC_Reset   ((uint16_t)0xFFBF)
 
#define CR1_SWRST_Set   ((uint16_t)0x8000)
 
#define CR1_SWRST_Reset   ((uint16_t)0x7FFF)
 
#define CR1_PEC_Set   ((uint16_t)0x1000)
 
#define CR1_PEC_Reset   ((uint16_t)0xEFFF)
 
#define CR1_ENPEC_Set   ((uint16_t)0x0020)
 
#define CR1_ENPEC_Reset   ((uint16_t)0xFFDF)
 
#define CR1_ENARP_Set   ((uint16_t)0x0010)
 
#define CR1_ENARP_Reset   ((uint16_t)0xFFEF)
 
#define CR1_NOSTRETCH_Set   ((uint16_t)0x0080)
 
#define CR1_NOSTRETCH_Reset   ((uint16_t)0xFF7F)
 
#define CR1_CLEAR_Mask   ((uint16_t)0xFBF5)
 
#define CR2_DMAEN_Set   ((uint16_t)0x0800)
 
#define CR2_DMAEN_Reset   ((uint16_t)0xF7FF)
 
#define CR2_LAST_Set   ((uint16_t)0x1000)
 
#define CR2_LAST_Reset   ((uint16_t)0xEFFF)
 
#define CR2_FREQ_Reset   ((uint16_t)0xFFC0)
 
#define OAR1_ADD0_Set   ((uint16_t)0x0001)
 
#define OAR1_ADD0_Reset   ((uint16_t)0xFFFE)
 
#define OAR2_ENDUAL_Set   ((uint16_t)0x0001)
 
#define OAR2_ENDUAL_Reset   ((uint16_t)0xFFFE)
 
#define OAR2_ADD2_Reset   ((uint16_t)0xFF01)
 
#define CCR_FS_Set   ((uint16_t)0x8000)
 
#define CCR_CCR_Set   ((uint16_t)0x0FFF)
 
#define FLAG_Mask   ((uint32_t)0x00FFFFFF)
 
#define ITEN_Mask   ((uint32_t)0x07000000)
 

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 provides all the I2C firmware functions.

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.

© COPYRIGHT 2010 STMicroelectronics