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STM32F4 Standard Peripheral bibliotheek
1.0
ST Microelectronics bibliotheek documentatie voor de STM32F4 Standard Peripheral Library
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STM32F4 Standard Peripheral bibliotheek
1.0
ST Microelectronics bibliotheek documentatie voor de STM32F4 Standard Peripheral Library
|
This file contains all the functions prototypes for the I2C firmware library. More...
#include "stm32f4xx.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_NACKPosition_Next ((uint16_t)0x0800) |
| #define | I2C_NACKPosition_Current ((uint16_t)0xF7FF) |
| #define | IS_I2C_NACK_POSITION(POSITION) |
| #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) |
| Deinitialize 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_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_Send7bitAddress (I2C_TypeDef *I2Cx, uint8_t Address, uint8_t I2C_Direction) |
| Transmits the address byte to select the slave device. 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_SoftwareResetCmd (I2C_TypeDef *I2Cx, FunctionalState NewState) |
| Enables or disables the specified I2C software reset. 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... | |
| void | I2C_NACKPositionConfig (I2C_TypeDef *I2Cx, uint16_t I2C_NACKPosition) |
| Selects the specified I2C NACK position in master receiver mode. 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_ARPCmd (I2C_TypeDef *I2Cx, FunctionalState NewState) |
| Enables or disables the specified I2C ARP. 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_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 transferred bytes. More... | |
| uint8_t | I2C_GetPEC (I2C_TypeDef *I2Cx) |
| Returns the PEC value for the specified I2C. 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 that the next DMA transfer is the last one. More... | |
| uint16_t | I2C_ReadRegister (I2C_TypeDef *I2Cx, uint8_t I2C_Register) |
| Reads the specified I2C register and returns its value. More... | |
| void | I2C_ITConfig (I2C_TypeDef *I2Cx, uint16_t I2C_IT, FunctionalState NewState) |
| Enables or disables the specified I2C interrupts. More... | |
| ErrorStatus | I2C_CheckEvent (I2C_TypeDef *I2Cx, uint32_t I2C_EVENT) |
| Checks whether the last I2Cx Event is equal to the one passed as parameter. 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 I2Cx's interrupt pending bits. More... | |
This file contains all the functions prototypes for the I2C firmware library.
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.
1.8.3.1