/** ****************************************************************************** * @file hk32f0xx_i2c.h * @version V1.0.1 * @date 2019-08-15 ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __HK32F0XX_I2C_H #define __HK32F0XX_I2C_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "hk32f0xx.h" /** @addtogroup HK32F0xx_StdPeriph_Driver * @{ */ /** @addtogroup I2C * @{ */ /* Exported types ------------------------------------------------------------*/ /** * @brief I2C Init structure definition */ typedef struct { uint32_t I2C_Timing; /*!< Specifies the I2C_TIMINGR_register value. This parameter must be set by referring to I2C_Timing_Config_Tool*/ uint32_t I2C_AnalogFilter; /*!< Enables or disables analog noise filter. This parameter can be a value of @ref I2C_Analog_Filter*/ uint32_t I2C_DigitalFilter; /*!< Configures the digital noise filter. This parameter can be a number between 0x00 and 0x0F*/ uint32_t I2C_Mode; /*!< Specifies the I2C mode. This parameter can be a value of @ref I2C_mode*/ uint32_t I2C_OwnAddress1; /*!< Specifies the device own address 1. This parameter can be a 7-bit or 10-bit address*/ uint32_t I2C_Ack; /*!< Enables or disables the acknowledgement. This parameter can be a value of @ref I2C_acknowledgement*/ uint32_t I2C_AcknowledgedAddress; /*!< Specifies if 7-bit or 10-bit address is acknowledged. This parameter can be a value of @ref I2C_acknowledged_address*/ }I2C_InitTypeDef; /* Exported constants --------------------------------------------------------*/ /** @defgroup I2C_Exported_Constants * @{ */ #define IS_I2C_ALL_PERIPH(PERIPH) (((PERIPH) == I2C1) || \ ((PERIPH) == I2C2)) #define IS_I2C_1_PERIPH(PERIPH) ((PERIPH) == I2C1) /** @defgroup I2C_Analog_Filter * @{ */ #define I2C_AnalogFilter_Enable ((uint32_t)0x00000000) #define I2C_AnalogFilter_Disable I2C_CR1_ANFOFF #define IS_I2C_ANALOG_FILTER(FILTER) (((FILTER) == I2C_AnalogFilter_Enable) || \ ((FILTER) == I2C_AnalogFilter_Disable)) /** * @} */ /** @defgroup I2C_Digital_Filter * @{ */ #define IS_I2C_DIGITAL_FILTER(FILTER) ((FILTER) <= 0x0000000F) /** * @} */ /** @defgroup I2C_mode * @{ */ #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) (((MODE) == I2C_Mode_I2C) || \ ((MODE) == I2C_Mode_SMBusDevice) || \ ((MODE) == I2C_Mode_SMBusHost)) /** * @} */ /** @defgroup I2C_acknowledgement * @{ */ #define I2C_Ack_Enable ((uint32_t)0x00000000) #define I2C_Ack_Disable I2C_CR2_NACK #define IS_I2C_ACK(ACK) (((ACK) == I2C_Ack_Enable) || \ ((ACK) == I2C_Ack_Disable)) /** * @} */ /** @defgroup I2C_acknowledged_address * @{ */ #define I2C_AcknowledgedAddress_7bit ((uint32_t)0x00000000) #define I2C_AcknowledgedAddress_10bit I2C_OAR1_OA1MODE #define IS_I2C_ACKNOWLEDGE_ADDRESS(ADDRESS) (((ADDRESS) == I2C_AcknowledgedAddress_7bit) || \ ((ADDRESS) == I2C_AcknowledgedAddress_10bit)) /** * @} */ /** @defgroup I2C_own_address1 * @{ */ #define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= (uint32_t)0x000003FF) /** * @} */ /** @defgroup I2C_transfer_direction * @{ */ #define I2C_Direction_Transmitter ((uint16_t)0x0000) #define I2C_Direction_Receiver ((uint16_t)0x0400) #define IS_I2C_DIRECTION(DIRECTION) (((DIRECTION) == I2C_Direction_Transmitter) || \ ((DIRECTION) == I2C_Direction_Receiver)) /** * @} */ /** @defgroup I2C_DMA_transfer_requests * @{ */ #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)) /** * @} */ /** @defgroup I2C_slave_address * @{ */ #define IS_I2C_SLAVE_ADDRESS(ADDRESS) ((ADDRESS) <= (uint16_t)0x03FF) /** * @} */ /** @defgroup I2C_own_address2 * @{ */ #define IS_I2C_OWN_ADDRESS2(ADDRESS2) ((ADDRESS2) <= (uint16_t)0x00FF) /** * @} */ /** @defgroup I2C_own_address2_mask * @{ */ #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) (((MASK) == I2C_OA2_NoMask) || \ ((MASK) == I2C_OA2_Mask01) || \ ((MASK) == I2C_OA2_Mask02) || \ ((MASK) == I2C_OA2_Mask03) || \ ((MASK) == I2C_OA2_Mask04) || \ ((MASK) == I2C_OA2_Mask05) || \ ((MASK) == I2C_OA2_Mask06) || \ ((MASK) == I2C_OA2_Mask07)) /** * @} */ /** @defgroup I2C_timeout * @{ */ #define IS_I2C_TIMEOUT(TIMEOUT) ((TIMEOUT) <= (uint16_t)0x0FFF) /** * @} */ /** @defgroup I2C_registers * @{ */ #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) (((REGISTER) == I2C_Register_CR1) || \ ((REGISTER) == I2C_Register_CR2) || \ ((REGISTER) == I2C_Register_OAR1) || \ ((REGISTER) == I2C_Register_OAR2) || \ ((REGISTER) == I2C_Register_TIMINGR) || \ ((REGISTER) == I2C_Register_TIMEOUTR) || \ ((REGISTER) == I2C_Register_ISR) || \ ((REGISTER) == I2C_Register_ICR) || \ ((REGISTER) == I2C_Register_PECR) || \ ((REGISTER) == I2C_Register_RXDR) || \ ((REGISTER) == I2C_Register_TXDR)) /** * @} */ /** @defgroup I2C_interrupts_definition * @{ */ #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)) /** * @} */ /** @defgroup I2C_flags_definition * @{ */ #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) (((FLAG) == I2C_FLAG_TXE) || ((FLAG) == I2C_FLAG_TXIS) || \ ((FLAG) == I2C_FLAG_RXNE) || ((FLAG) == I2C_FLAG_ADDR) || \ ((FLAG) == I2C_FLAG_NACKF) || ((FLAG) == I2C_FLAG_STOPF) || \ ((FLAG) == I2C_FLAG_TC) || ((FLAG) == I2C_FLAG_TCR) || \ ((FLAG) == I2C_FLAG_BERR) || ((FLAG) == I2C_FLAG_ARLO) || \ ((FLAG) == I2C_FLAG_OVR) || ((FLAG) == I2C_FLAG_PECERR) || \ ((FLAG) == I2C_FLAG_TIMEOUT) || ((FLAG) == I2C_FLAG_ALERT) || \ ((FLAG) == I2C_FLAG_BUSY)) /** * @} */ /** @defgroup I2C_interrupts_definition * @{ */ #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) (((IT) == I2C_IT_TXIS) || ((IT) == I2C_IT_RXNE) || \ ((IT) == I2C_IT_ADDR) || ((IT) == I2C_IT_NACKF) || \ ((IT) == I2C_IT_STOPF) || ((IT) == I2C_IT_TC) || \ ((IT) == I2C_IT_TCR) || ((IT) == I2C_IT_BERR) || \ ((IT) == I2C_IT_ARLO) || ((IT) == I2C_IT_OVR) || \ ((IT) == I2C_IT_PECERR) || ((IT) == I2C_IT_TIMEOUT) || \ ((IT) == I2C_IT_ALERT)) /** * @} */ /** @defgroup I2C_ReloadEndMode_definition * @{ */ #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) (((MODE) == I2C_Reload_Mode) || \ ((MODE) == I2C_AutoEnd_Mode) || \ ((MODE) == I2C_SoftEnd_Mode)) /** * @} */ /** @defgroup I2C_StartStopMode_definition * @{ */ #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) (((MODE) == I2C_Generate_Stop) || \ ((MODE) == I2C_Generate_Start_Read) || \ ((MODE) == I2C_Generate_Start_Write) || \ ((MODE) == I2C_No_StartStop)) /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /* Exported functions ------------------------------------------------------- */ /* Initialization and Configuration functions *********************************/ void I2C_DeInit(I2C_TypeDef* I2Cx); void I2C_Init(I2C_TypeDef* I2Cx, I2C_InitTypeDef* I2C_InitStruct); void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruct); void I2C_Cmd(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_SoftwareResetCmd(I2C_TypeDef* I2Cx); void I2C_ITConfig(I2C_TypeDef* I2Cx, uint32_t I2C_IT, FunctionalState NewState); void I2C_StretchClockCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_StopModeCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); /*!< not applicable for HK32F030 devices */ void I2C_DualAddressCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_OwnAddress2Config(I2C_TypeDef* I2Cx, uint16_t Address, uint8_t Mask); void I2C_GeneralCallCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_SlaveByteControlCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_SlaveAddressConfig(I2C_TypeDef* I2Cx, uint16_t Address); void I2C_10BitAddressingModeCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); /* Communications handling functions ******************************************/ void I2C_AutoEndCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_ReloadCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_NumberOfBytesConfig(I2C_TypeDef* I2Cx, uint8_t Number_Bytes); void I2C_MasterRequestConfig(I2C_TypeDef* I2Cx, uint16_t I2C_Direction); void I2C_GenerateSTART(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_GenerateSTOP(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_10BitAddressHeaderCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_AcknowledgeConfig(I2C_TypeDef* I2Cx, FunctionalState NewState); uint8_t I2C_GetAddressMatched(I2C_TypeDef* I2Cx); uint16_t I2C_GetTransferDirection(I2C_TypeDef* I2Cx); void I2C_TransferHandling(I2C_TypeDef* I2Cx, uint16_t Address, uint8_t Number_Bytes, uint32_t ReloadEndMode, uint32_t StartStopMode); /* SMBUS management functions ************************************************/ void I2C_SMBusAlertCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_ClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_ExtendedClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_IdleClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_TimeoutAConfig(I2C_TypeDef* I2Cx, uint16_t Timeout); void I2C_TimeoutBConfig(I2C_TypeDef* I2Cx, uint16_t Timeout); void I2C_CalculatePEC(I2C_TypeDef* I2Cx, FunctionalState NewState); void I2C_PECRequestCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); uint8_t I2C_GetPEC(I2C_TypeDef* I2Cx); /* I2C registers management functions *****************************************/ uint32_t I2C_ReadRegister(I2C_TypeDef* I2Cx, uint8_t I2C_Register); /* Data transfers management functions ****************************************/ void I2C_SendData(I2C_TypeDef* I2Cx, uint8_t Data); uint8_t I2C_ReceiveData(I2C_TypeDef* I2Cx); /* DMA transfers management functions *****************************************/ void I2C_DMACmd(I2C_TypeDef* I2Cx, uint32_t I2C_DMAReq, FunctionalState NewState); /* Interrupts and flags management functions **********************************/ FlagStatus I2C_GetFlagStatus(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG); void I2C_ClearFlag(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG); ITStatus I2C_GetITStatus(I2C_TypeDef* I2Cx, uint32_t I2C_IT); void I2C_ClearITPendingBit(I2C_TypeDef* I2Cx, uint32_t I2C_IT); #ifdef __cplusplus } #endif #endif /*__HK32F0XX_I2C_H */ /** * @} */ /** * @} */