This file contains all the functions prototypes for the I2C firmware library. More...
#include "stm32f4xx.h"
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Classes | |
| struct | I2C_InitTypeDef |
| I2C Init structure definition. More... | |
Macros | |
| #define | I2C_Ack_Disable ((uint16_t)0x0000) |
| #define | I2C_Ack_Enable ((uint16_t)0x0400) |
| #define | I2C_AcknowledgedAddress_10bit ((uint16_t)0xC000) |
| #define | I2C_AcknowledgedAddress_7bit ((uint16_t)0x4000) |
| #define | I2C_Direction_Receiver ((uint8_t)0x01) |
| #define | I2C_Direction_Transmitter ((uint8_t)0x00) |
| #define | I2C_DutyCycle_16_9 ((uint16_t)0x4000) |
| #define | I2C_DutyCycle_2 ((uint16_t)0xBFFF) |
| #define | I2C_EVENT_MASTER_BYTE_RECEIVED ((uint32_t)0x00030040) /* BUSY, MSL and RXNE flags */ |
| Communication events. More... | |
| #define | I2C_EVENT_MASTER_BYTE_TRANSMITTED ((uint32_t)0x00070084) /* TRA, BUSY, MSL, TXE and BTF flags */ |
| #define | I2C_EVENT_MASTER_BYTE_TRANSMITTING ((uint32_t)0x00070080) /* TRA, BUSY, MSL, TXE flags */ |
| #define | I2C_EVENT_MASTER_MODE_ADDRESS10 ((uint32_t)0x00030008) /* BUSY, MSL and ADD10 flags */ |
| #define | I2C_EVENT_MASTER_MODE_SELECT ((uint32_t)0x00030001) /* BUSY, MSL and SB flag */ |
| Communication start. More... | |
| #define | I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED ((uint32_t)0x00030002) /* BUSY, MSL and ADDR flags */ |
| #define | I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED ((uint32_t)0x00070082) /* BUSY, MSL, ADDR, TXE and TRA flags */ |
| Address Acknowledge. More... | |
| #define | I2C_EVENT_SLAVE_ACK_FAILURE ((uint32_t)0x00000400) /* AF flag */ |
| #define | I2C_EVENT_SLAVE_BYTE_RECEIVED ((uint32_t)0x00020040) /* BUSY and RXNE flags */ |
| Communication events. More... | |
| #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_GENERALCALLADDRESS_MATCHED ((uint32_t)0x00120000) /* GENCALL and BUSY flags */ |
| #define | I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED ((uint32_t)0x00020002) /* BUSY and ADDR flags */ |
| Communication start events. More... | |
| #define | I2C_EVENT_SLAVE_RECEIVER_SECONDADDRESS_MATCHED ((uint32_t)0x00820000) /* DUALF and BUSY flags */ |
| #define | I2C_EVENT_SLAVE_STOP_DETECTED ((uint32_t)0x00000010) /* STOPF flag */ |
| #define | I2C_EVENT_SLAVE_TRANSMITTER_ADDRESS_MATCHED ((uint32_t)0x00060082) /* TRA, BUSY, TXE and ADDR flags */ |
| #define | I2C_EVENT_SLAVE_TRANSMITTER_SECONDADDRESS_MATCHED ((uint32_t)0x00860080) /* DUALF, TRA, BUSY and TXE flags */ |
| #define | I2C_FLAG_ADD10 ((uint32_t)0x10000008) |
| #define | I2C_FLAG_ADDR ((uint32_t)0x10000002) |
| #define | I2C_FLAG_AF ((uint32_t)0x10000400) |
| #define | I2C_FLAG_ARLO ((uint32_t)0x10000200) |
| #define | I2C_FLAG_BERR ((uint32_t)0x10000100) |
| #define | I2C_FLAG_BTF ((uint32_t)0x10000004) |
| #define | I2C_FLAG_BUSY ((uint32_t)0x00020000) |
| #define | I2C_FLAG_DUALF ((uint32_t)0x00800000) |
| SR2 register flags. More... | |
| #define | I2C_FLAG_GENCALL ((uint32_t)0x00100000) |
| #define | I2C_FLAG_MSL ((uint32_t)0x00010000) |
| #define | I2C_FLAG_OVR ((uint32_t)0x10000800) |
| #define | I2C_FLAG_PECERR ((uint32_t)0x10001000) |
| #define | I2C_FLAG_RXNE ((uint32_t)0x10000040) |
| #define | I2C_FLAG_SB ((uint32_t)0x10000001) |
| #define | I2C_FLAG_SMBALERT ((uint32_t)0x10008000) |
| SR1 register flags. More... | |
| #define | I2C_FLAG_SMBDEFAULT ((uint32_t)0x00200000) |
| #define | I2C_FLAG_SMBHOST ((uint32_t)0x00400000) |
| #define | I2C_FLAG_STOPF ((uint32_t)0x10000010) |
| #define | I2C_FLAG_TIMEOUT ((uint32_t)0x10004000) |
| #define | I2C_FLAG_TRA ((uint32_t)0x00040000) |
| #define | I2C_FLAG_TXE ((uint32_t)0x10000080) |
| #define | I2C_IT_ADD10 ((uint32_t)0x02000008) |
| #define | I2C_IT_ADDR ((uint32_t)0x02000002) |
| #define | I2C_IT_AF ((uint32_t)0x01000400) |
| #define | I2C_IT_ARLO ((uint32_t)0x01000200) |
| #define | I2C_IT_BERR ((uint32_t)0x01000100) |
| #define | I2C_IT_BTF ((uint32_t)0x02000004) |
| #define | I2C_IT_BUF ((uint16_t)0x0400) |
| #define | I2C_IT_ERR ((uint16_t)0x0100) |
| #define | I2C_IT_EVT ((uint16_t)0x0200) |
| #define | I2C_IT_OVR ((uint32_t)0x01000800) |
| #define | I2C_IT_PECERR ((uint32_t)0x01001000) |
| #define | I2C_IT_RXNE ((uint32_t)0x06000040) |
| #define | I2C_IT_SB ((uint32_t)0x02000001) |
| #define | I2C_IT_SMBALERT ((uint32_t)0x01008000) |
| #define | I2C_IT_STOPF ((uint32_t)0x02000010) |
| #define | I2C_IT_TIMEOUT ((uint32_t)0x01004000) |
| #define | I2C_IT_TXE ((uint32_t)0x06000080) |
| #define | I2C_Mode_I2C ((uint16_t)0x0000) |
| #define | I2C_Mode_SMBusDevice ((uint16_t)0x0002) |
| #define | I2C_Mode_SMBusHost ((uint16_t)0x000A) |
| #define | I2C_NACKPosition_Current ((uint16_t)0xF7FF) |
| #define | I2C_NACKPosition_Next ((uint16_t)0x0800) |
| #define | I2C_PECPosition_Current ((uint16_t)0xF7FF) |
| #define | I2C_PECPosition_Next ((uint16_t)0x0800) |
| #define | I2C_Register_CCR ((uint8_t)0x1C) |
| #define | I2C_Register_CR1 ((uint8_t)0x00) |
| #define | I2C_Register_CR2 ((uint8_t)0x04) |
| #define | I2C_Register_DR ((uint8_t)0x10) |
| #define | I2C_Register_OAR1 ((uint8_t)0x08) |
| #define | I2C_Register_OAR2 ((uint8_t)0x0C) |
| #define | I2C_Register_SR1 ((uint8_t)0x14) |
| #define | I2C_Register_SR2 ((uint8_t)0x18) |
| #define | I2C_Register_TRISE ((uint8_t)0x20) |
| #define | I2C_SMBusAlert_High ((uint16_t)0xDFFF) |
| #define | I2C_SMBusAlert_Low ((uint16_t)0x2000) |
| #define | IS_I2C_ACK_STATE(STATE) |
| #define | IS_I2C_ACKNOWLEDGE_ADDRESS(ADDRESS) |
| #define | IS_I2C_ALL_PERIPH(PERIPH) |
| #define | IS_I2C_CLEAR_FLAG(FLAG) ((((FLAG) & (uint16_t)0x20FF) == 0x00) && ((FLAG) != (uint16_t)0x00)) |
| #define | IS_I2C_CLEAR_IT(IT) ((((IT) & (uint16_t)0x20FF) == 0x00) && ((IT) != (uint16_t)0x00)) |
| #define | IS_I2C_CLOCK_SPEED(SPEED) (((SPEED) >= 0x1) && ((SPEED) <= 400000)) |
| #define | IS_I2C_CONFIG_IT(IT) ((((IT) & (uint16_t)0xF8FF) == 0x00) && ((IT) != 0x00)) |
| #define | IS_I2C_DIGITAL_FILTER(FILTER) ((FILTER) <= 0x0000000F) |
| #define | IS_I2C_DIRECTION(DIRECTION) |
| #define | IS_I2C_DUTY_CYCLE(CYCLE) |
| #define | IS_I2C_EVENT(EVENT) |
| #define | IS_I2C_GET_FLAG(FLAG) |
| #define | IS_I2C_GET_IT(IT) |
| #define | IS_I2C_MODE(MODE) |
| #define | IS_I2C_NACK_POSITION(POSITION) |
| #define | IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= 0x3FF) |
| #define | IS_I2C_PEC_POSITION(POSITION) |
| #define | IS_I2C_REGISTER(REGISTER) |
| #define | IS_I2C_SMBUS_ALERT(ALERT) |
Functions | |
| void | I2C_AcknowledgeConfig (I2C_TypeDef *I2Cx, FunctionalState NewState) |
| Enables or disables the specified I2C acknowledge feature. More... | |
| void | I2C_AnalogFilterCmd (I2C_TypeDef *I2Cx, FunctionalState NewState) |
| Enables or disables the Analog filter of I2C peripheral. More... | |
| void | I2C_ARPCmd (I2C_TypeDef *I2Cx, FunctionalState NewState) |
| Enables or disables the specified I2C ARP. More... | |
| void | I2C_CalculatePEC (I2C_TypeDef *I2Cx, FunctionalState NewState) |
| Enables or disables I2C PEC calculation. 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... | |
| void | I2C_ClearFlag (I2C_TypeDef *I2Cx, uint32_t I2C_FLAG) |
| Clears the I2Cx's pending flags. More... | |
| void | I2C_ClearITPendingBit (I2C_TypeDef *I2Cx, uint32_t I2C_IT) |
| Clears the I2Cx's interrupt pending bits. More... | |
| void | I2C_Cmd (I2C_TypeDef *I2Cx, FunctionalState NewState) |
| Enables or disables the specified I2C peripheral. More... | |
| void | I2C_DeInit (I2C_TypeDef *I2Cx) |
| Deinitializes the I2Cx peripheral registers to their default reset values. More... | |
| void | I2C_DigitalFilterConfig (I2C_TypeDef *I2Cx, uint16_t I2C_DigitalFilter) |
| Configures the Digital noise filter of 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 that the next DMA transfer is the last one. More... | |
| void | I2C_DualAddressCmd (I2C_TypeDef *I2Cx, FunctionalState NewState) |
| Enables or disables the I2C own address 2. More... | |
| void | I2C_FastModeDutyCycleConfig (I2C_TypeDef *I2Cx, uint16_t I2C_DutyCycle) |
| Selects the specified I2C fast mode duty cycle. More... | |
| void | I2C_GeneralCallCmd (I2C_TypeDef *I2Cx, FunctionalState NewState) |
| Enables or disables the I2C general call mode. 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... | |
| FlagStatus | I2C_GetFlagStatus (I2C_TypeDef *I2Cx, uint32_t I2C_FLAG) |
| Checks whether the specified I2C flag is set or not. More... | |
| ITStatus | I2C_GetITStatus (I2C_TypeDef *I2Cx, uint32_t I2C_IT) |
| Checks whether the specified I2C interrupt has occurred or not. More... | |
| uint32_t | I2C_GetLastEvent (I2C_TypeDef *I2Cx) |
| Returns the last I2Cx Event. More... | |
| uint8_t | I2C_GetPEC (I2C_TypeDef *I2Cx) |
| Returns the I2C PEC. 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_ITConfig (I2C_TypeDef *I2Cx, uint16_t I2C_IT, FunctionalState NewState) |
| Enables or disables the specified I2C interrupts. More... | |
| void | I2C_NACKPositionConfig (I2C_TypeDef *I2Cx, uint16_t I2C_NACKPosition) |
| Selects the specified I2C NACK position in master receiver mode. More... | |
| void | I2C_OwnAddress2Config (I2C_TypeDef *I2Cx, uint8_t Address) |
| Configures the specified I2C own address2. More... | |
| void | I2C_PECPositionConfig (I2C_TypeDef *I2Cx, uint16_t I2C_PECPosition) |
| Selects the specified I2C PEC position. More... | |
| uint16_t | I2C_ReadRegister (I2C_TypeDef *I2Cx, uint8_t I2C_Register) |
| Reads the specified I2C register and returns its value. 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... | |
| void | I2C_SendData (I2C_TypeDef *I2Cx, uint8_t Data) |
| Sends a data byte through the I2Cx peripheral. 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_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 I2C Clock stretching. More... | |
| void | I2C_StructInit (I2C_InitTypeDef *I2C_InitStruct) |
| Fills each I2C_InitStruct member with its default value. More... | |
| void | I2C_TransmitPEC (I2C_TypeDef *I2Cx, FunctionalState NewState) |
| Enables or disables the specified I2C PEC transfer. More... | |
Detailed Description
This file contains all the functions prototypes for the I2C firmware library.
- Version
- V1.1.0
- Date
- 11-January-2013
- Attention
© COPYRIGHT 2013 STMicroelectronics
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.
Definition in file stm32f4xx_i2c.h.