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

#include "stm32f0xx.h"

Data Structures
struct	I2C_InitTypeDef
	I2C Init structure definition. More...

Macros
#define	IS_I2C_ALL_PERIPH(PERIPH)

#define	IS_I2C_1_PERIPH(PERIPH) ((PERIPH) == I2C1)

#define	I2C_AnalogFilter_Enable ((uint32_t)0x00000000)

#define	I2C_AnalogFilter_Disable I2C_CR1_ANFOFF

#define	IS_I2C_ANALOG_FILTER(FILTER)

#define	IS_I2C_DIGITAL_FILTER(FILTER) ((FILTER) <= 0x0000000F)

#define	I2C_Mode_I2C ((uint32_t)0x00000000)

#define	I2C_Mode_SMBusDevice I2C_CR1_SMBDEN

#define	I2C_Mode_SMBusHost I2C_CR1_SMBHEN

#define	IS_I2C_MODE(MODE)

#define	I2C_Ack_Enable ((uint32_t)0x00000000)

#define	I2C_Ack_Disable I2C_CR2_NACK

#define	IS_I2C_ACK(ACK)

#define	I2C_AcknowledgedAddress_7bit ((uint32_t)0x00000000)

#define	I2C_AcknowledgedAddress_10bit I2C_OAR1_OA1MODE

#define	IS_I2C_ACKNOWLEDGE_ADDRESS(ADDRESS)

#define	IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= (uint32_t)0x000003FF)

#define	I2C_Direction_Transmitter ((uint16_t)0x0000)

#define	I2C_Direction_Receiver ((uint16_t)0x0400)

#define	IS_I2C_DIRECTION(DIRECTION)

#define	I2C_DMAReq_Tx I2C_CR1_TXDMAEN

#define	I2C_DMAReq_Rx I2C_CR1_RXDMAEN

#define	IS_I2C_DMA_REQ(REQ) ((((REQ) & (uint32_t)0xFFFF3FFF) == 0x00) && ((REQ) != 0x00))

#define	IS_I2C_SLAVE_ADDRESS(ADDRESS) ((ADDRESS) <= (uint16_t)0x03FF)

#define	IS_I2C_OWN_ADDRESS2(ADDRESS2) ((ADDRESS2) <= (uint16_t)0x00FF)

#define	I2C_OA2_NoMask ((uint8_t)0x00)

#define	I2C_OA2_Mask01 ((uint8_t)0x01)

#define	I2C_OA2_Mask02 ((uint8_t)0x02)

#define	I2C_OA2_Mask03 ((uint8_t)0x03)

#define	I2C_OA2_Mask04 ((uint8_t)0x04)

#define	I2C_OA2_Mask05 ((uint8_t)0x05)

#define	I2C_OA2_Mask06 ((uint8_t)0x06)

#define	I2C_OA2_Mask07 ((uint8_t)0x07)

#define	IS_I2C_OWN_ADDRESS2_MASK(MASK)

#define	IS_I2C_TIMEOUT(TIMEOUT) ((TIMEOUT) <= (uint16_t)0x0FFF)

#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_TIMINGR ((uint8_t)0x10)

#define	I2C_Register_TIMEOUTR ((uint8_t)0x14)

#define	I2C_Register_ISR ((uint8_t)0x18)

#define	I2C_Register_ICR ((uint8_t)0x1C)

#define	I2C_Register_PECR ((uint8_t)0x20)

#define	I2C_Register_RXDR ((uint8_t)0x24)

#define	I2C_Register_TXDR ((uint8_t)0x28)

#define	IS_I2C_REGISTER(REGISTER)

#define	I2C_IT_ERRI I2C_CR1_ERRIE

#define	I2C_IT_TCI I2C_CR1_TCIE

#define	I2C_IT_STOPI I2C_CR1_STOPIE

#define	I2C_IT_NACKI I2C_CR1_NACKIE

#define	I2C_IT_ADDRI I2C_CR1_ADDRIE

#define	I2C_IT_RXI I2C_CR1_RXIE

#define	I2C_IT_TXI I2C_CR1_TXIE

#define	IS_I2C_CONFIG_IT(IT) ((((IT) & (uint32_t)0xFFFFFF01) == 0x00) && ((IT) != 0x00))

#define	I2C_FLAG_TXE I2C_ISR_TXE

#define	I2C_FLAG_TXIS I2C_ISR_TXIS

#define	I2C_FLAG_RXNE I2C_ISR_RXNE

#define	I2C_FLAG_ADDR I2C_ISR_ADDR

#define	I2C_FLAG_NACKF I2C_ISR_NACKF

#define	I2C_FLAG_STOPF I2C_ISR_STOPF

#define	I2C_FLAG_TC I2C_ISR_TC

#define	I2C_FLAG_TCR I2C_ISR_TCR

#define	I2C_FLAG_BERR I2C_ISR_BERR

#define	I2C_FLAG_ARLO I2C_ISR_ARLO

#define	I2C_FLAG_OVR I2C_ISR_OVR

#define	I2C_FLAG_PECERR I2C_ISR_PECERR

#define	I2C_FLAG_TIMEOUT I2C_ISR_TIMEOUT

#define	I2C_FLAG_ALERT I2C_ISR_ALERT

#define	I2C_FLAG_BUSY I2C_ISR_BUSY

#define	IS_I2C_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFF4000) == 0x00) && ((FLAG) != 0x00))

#define	IS_I2C_GET_FLAG(FLAG)

#define	I2C_IT_TXIS I2C_ISR_TXIS

#define	I2C_IT_RXNE I2C_ISR_RXNE

#define	I2C_IT_ADDR I2C_ISR_ADDR

#define	I2C_IT_NACKF I2C_ISR_NACKF

#define	I2C_IT_STOPF I2C_ISR_STOPF

#define	I2C_IT_TC I2C_ISR_TC

#define	I2C_IT_TCR I2C_ISR_TCR

#define	I2C_IT_BERR I2C_ISR_BERR

#define	I2C_IT_ARLO I2C_ISR_ARLO

#define	I2C_IT_OVR I2C_ISR_OVR

#define	I2C_IT_PECERR I2C_ISR_PECERR

#define	I2C_IT_TIMEOUT I2C_ISR_TIMEOUT

#define	I2C_IT_ALERT I2C_ISR_ALERT

#define	IS_I2C_CLEAR_IT(IT) ((((IT) & (uint32_t)0xFFFFC001) == 0x00) && ((IT) != 0x00))

#define	IS_I2C_GET_IT(IT)

#define	I2C_Reload_Mode I2C_CR2_RELOAD

#define	I2C_AutoEnd_Mode I2C_CR2_AUTOEND

#define	I2C_SoftEnd_Mode ((uint32_t)0x00000000)

#define	IS_RELOAD_END_MODE(MODE)

#define	I2C_No_StartStop ((uint32_t)0x00000000)

#define	I2C_Generate_Stop I2C_CR2_STOP

#define	I2C_Generate_Start_Read (uint32_t)(I2C_CR2_START \| I2C_CR2_RD_WRN)

#define	I2C_Generate_Start_Write I2C_CR2_START

#define	IS_START_STOP_MODE(MODE)

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_SoftwareResetCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables the specified I2C software reset. More...

void	I2C_ITConfig (I2C_TypeDef *I2Cx, uint32_t I2C_IT, FunctionalState NewState)
	Enables or disables the specified I2C interrupts. More...

void	I2C_StretchClockCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables the I2C Clock stretching. More...

void	I2C_StopModeCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables I2C wakeup from stop mode. More...

void	I2C_DualAddressCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables the I2C own address 2. More...

void	I2C_OwnAddress2Config (I2C_TypeDef *I2Cx, uint16_t Address, uint8_t Mask)
	Configures the I2C slave own address 2 and mask. More...

void	I2C_GeneralCallCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables the I2C general call mode. More...

void	I2C_SlaveByteControlCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables the I2C slave byte control. More...

void	I2C_SlaveAddressConfig (I2C_TypeDef *I2Cx, uint16_t Address)
	Configures the slave address to be transmitted after start generation. More...

void	I2C_10BitAddressingModeCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables the I2C 10-bit addressing mode for the master. More...

void	I2C_AutoEndCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables the I2C automatic end mode (stop condition is automatically sent when nbytes data are transferred). More...

void	I2C_ReloadCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables the I2C nbytes reload mode. More...

void	I2C_NumberOfBytesConfig (I2C_TypeDef *I2Cx, uint8_t Number_Bytes)
	Configures the number of bytes to be transmitted/received. More...

void	I2C_MasterRequestConfig (I2C_TypeDef *I2Cx, uint16_t I2C_Direction)
	Configures the type of transfer request for the master. 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_10BitAddressHeaderCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables the I2C 10-bit header only mode with read direction. More...

void	I2C_AcknowledgeConfig (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Generates I2C communication Acknowledge. More...

uint8_t	I2C_GetAddressMatched (I2C_TypeDef *I2Cx)
	Returns the I2C slave matched address . More...

uint16_t	I2C_GetTransferDirection (I2C_TypeDef *I2Cx)
	Returns the I2C slave received request. More...

void	I2C_TransferHandling (I2C_TypeDef *I2Cx, uint16_t Address, uint8_t Number_Bytes, uint32_t ReloadEndMode, uint32_t StartStopMode)
	Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set). More...

void	I2C_SMBusAlertCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables I2C SMBus alert. More...

void	I2C_ClockTimeoutCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables I2C Clock Timeout (SCL Timeout detection). More...

void	I2C_ExtendedClockTimeoutCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables I2C Extended Clock Timeout (SCL cumulative Timeout detection). More...

void	I2C_IdleClockTimeoutCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables I2C Idle Clock Timeout (Bus idle SCL and SDA high detection). More...

void	I2C_TimeoutAConfig (I2C_TypeDef *I2Cx, uint16_t Timeout)
	Configures the I2C Bus Timeout A (SCL Timeout when TIDLE = 0 or Bus idle SCL and SDA high when TIDLE = 1). More...

void	I2C_TimeoutBConfig (I2C_TypeDef *I2Cx, uint16_t Timeout)
	Configures the I2C Bus Timeout B (SCL cumulative Timeout). More...

void	I2C_CalculatePEC (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables I2C PEC calculation. More...

void	I2C_PECRequestCmd (I2C_TypeDef *I2Cx, FunctionalState NewState)
	Enables or disables I2C PEC transmission/reception request. More...

uint8_t	I2C_GetPEC (I2C_TypeDef *I2Cx)
	Returns the I2C PEC. More...

uint32_t	I2C_ReadRegister (I2C_TypeDef *I2Cx, uint8_t I2C_Register)
	Reads the specified I2C register and returns its value. 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_DMACmd (I2C_TypeDef *I2Cx, uint32_t I2C_DMAReq, FunctionalState NewState)
	Enables or disables the I2C DMA interface. 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 I2Cx's interrupt pending bits. More...

Detailed Description

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

Author: MCD Application Team

Version: V1.0.1

Date: 20-April-2012

Attention

Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); You may not use this file except in compliance with the License. You may obtain a copy of the License at:

   http://www.st.com/software_license_agreement_liberty_v2

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Data Structures

Macros

Functions

Detailed Description

© COPYRIGHT 2012 STMicroelectronics