458 lines
16 KiB
C
458 lines
16 KiB
C
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/**
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******************************************************************************
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* @file hk32f0xx_i2c.h
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* @version V1.0.1
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* @date 2019-08-15
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __HK32F0XX_I2C_H
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#define __HK32F0XX_I2C_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "hk32f0xx.h"
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/** @addtogroup HK32F0xx_StdPeriph_Driver
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* @{
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*/
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/** @addtogroup I2C
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/**
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* @brief I2C Init structure definition
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*/
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typedef struct
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{
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uint32_t I2C_Timing; /*!< Specifies the I2C_TIMINGR_register value.
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This parameter must be set by referring to I2C_Timing_Config_Tool*/
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uint32_t I2C_AnalogFilter; /*!< Enables or disables analog noise filter.
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This parameter can be a value of @ref I2C_Analog_Filter*/
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uint32_t I2C_DigitalFilter; /*!< Configures the digital noise filter.
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This parameter can be a number between 0x00 and 0x0F*/
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uint32_t I2C_Mode; /*!< Specifies the I2C mode.
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This parameter can be a value of @ref I2C_mode*/
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uint32_t I2C_OwnAddress1; /*!< Specifies the device own address 1.
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This parameter can be a 7-bit or 10-bit address*/
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uint32_t I2C_Ack; /*!< Enables or disables the acknowledgement.
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This parameter can be a value of @ref I2C_acknowledgement*/
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uint32_t I2C_AcknowledgedAddress; /*!< Specifies if 7-bit or 10-bit address is acknowledged.
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This parameter can be a value of @ref I2C_acknowledged_address*/
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}I2C_InitTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup I2C_Exported_Constants
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* @{
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*/
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#define IS_I2C_ALL_PERIPH(PERIPH) (((PERIPH) == I2C1) || \
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((PERIPH) == I2C2))
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#define IS_I2C_1_PERIPH(PERIPH) ((PERIPH) == I2C1)
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/** @defgroup I2C_Analog_Filter
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* @{
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*/
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#define I2C_AnalogFilter_Enable ((uint32_t)0x00000000)
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#define I2C_AnalogFilter_Disable I2C_CR1_ANFOFF
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#define IS_I2C_ANALOG_FILTER(FILTER) (((FILTER) == I2C_AnalogFilter_Enable) || \
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((FILTER) == I2C_AnalogFilter_Disable))
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/**
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* @}
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*/
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/** @defgroup I2C_Digital_Filter
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* @{
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*/
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#define IS_I2C_DIGITAL_FILTER(FILTER) ((FILTER) <= 0x0000000F)
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/**
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* @}
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*/
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/** @defgroup I2C_mode
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* @{
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*/
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#define I2C_Mode_I2C ((uint32_t)0x00000000)
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#define I2C_Mode_SMBusDevice I2C_CR1_SMBDEN
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#define I2C_Mode_SMBusHost I2C_CR1_SMBHEN
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#define IS_I2C_MODE(MODE) (((MODE) == I2C_Mode_I2C) || \
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((MODE) == I2C_Mode_SMBusDevice) || \
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((MODE) == I2C_Mode_SMBusHost))
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/**
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* @}
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*/
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/** @defgroup I2C_acknowledgement
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* @{
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*/
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#define I2C_Ack_Enable ((uint32_t)0x00000000)
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#define I2C_Ack_Disable I2C_CR2_NACK
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#define IS_I2C_ACK(ACK) (((ACK) == I2C_Ack_Enable) || \
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((ACK) == I2C_Ack_Disable))
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/**
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* @}
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*/
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/** @defgroup I2C_acknowledged_address
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* @{
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*/
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#define I2C_AcknowledgedAddress_7bit ((uint32_t)0x00000000)
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#define I2C_AcknowledgedAddress_10bit I2C_OAR1_OA1MODE
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#define IS_I2C_ACKNOWLEDGE_ADDRESS(ADDRESS) (((ADDRESS) == I2C_AcknowledgedAddress_7bit) || \
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((ADDRESS) == I2C_AcknowledgedAddress_10bit))
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/**
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* @}
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*/
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/** @defgroup I2C_own_address1
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* @{
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*/
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#define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= (uint32_t)0x000003FF)
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/**
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* @}
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*/
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/** @defgroup I2C_transfer_direction
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* @{
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*/
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#define I2C_Direction_Transmitter ((uint16_t)0x0000)
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#define I2C_Direction_Receiver ((uint16_t)0x0400)
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#define IS_I2C_DIRECTION(DIRECTION) (((DIRECTION) == I2C_Direction_Transmitter) || \
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((DIRECTION) == I2C_Direction_Receiver))
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/**
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* @}
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*/
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/** @defgroup I2C_DMA_transfer_requests
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* @{
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*/
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#define I2C_DMAReq_Tx I2C_CR1_TXDMAEN
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#define I2C_DMAReq_Rx I2C_CR1_RXDMAEN
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#define IS_I2C_DMA_REQ(REQ) ((((REQ) & (uint32_t)0xFFFF3FFF) == 0x00) && ((REQ) != 0x00))
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/**
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* @}
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*/
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/** @defgroup I2C_slave_address
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* @{
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*/
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#define IS_I2C_SLAVE_ADDRESS(ADDRESS) ((ADDRESS) <= (uint16_t)0x03FF)
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/**
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* @}
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*/
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/** @defgroup I2C_own_address2
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* @{
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*/
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#define IS_I2C_OWN_ADDRESS2(ADDRESS2) ((ADDRESS2) <= (uint16_t)0x00FF)
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/**
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* @}
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*/
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/** @defgroup I2C_own_address2_mask
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* @{
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*/
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#define I2C_OA2_NoMask ((uint8_t)0x00)
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#define I2C_OA2_Mask01 ((uint8_t)0x01)
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#define I2C_OA2_Mask02 ((uint8_t)0x02)
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#define I2C_OA2_Mask03 ((uint8_t)0x03)
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#define I2C_OA2_Mask04 ((uint8_t)0x04)
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#define I2C_OA2_Mask05 ((uint8_t)0x05)
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#define I2C_OA2_Mask06 ((uint8_t)0x06)
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#define I2C_OA2_Mask07 ((uint8_t)0x07)
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#define IS_I2C_OWN_ADDRESS2_MASK(MASK) (((MASK) == I2C_OA2_NoMask) || \
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((MASK) == I2C_OA2_Mask01) || \
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((MASK) == I2C_OA2_Mask02) || \
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((MASK) == I2C_OA2_Mask03) || \
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((MASK) == I2C_OA2_Mask04) || \
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((MASK) == I2C_OA2_Mask05) || \
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((MASK) == I2C_OA2_Mask06) || \
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((MASK) == I2C_OA2_Mask07))
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/**
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* @}
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*/
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/** @defgroup I2C_timeout
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* @{
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*/
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#define IS_I2C_TIMEOUT(TIMEOUT) ((TIMEOUT) <= (uint16_t)0x0FFF)
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/**
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* @}
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*/
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/** @defgroup I2C_registers
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* @{
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*/
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#define I2C_Register_CR1 ((uint8_t)0x00)
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#define I2C_Register_CR2 ((uint8_t)0x04)
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#define I2C_Register_OAR1 ((uint8_t)0x08)
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#define I2C_Register_OAR2 ((uint8_t)0x0C)
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#define I2C_Register_TIMINGR ((uint8_t)0x10)
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#define I2C_Register_TIMEOUTR ((uint8_t)0x14)
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#define I2C_Register_ISR ((uint8_t)0x18)
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#define I2C_Register_ICR ((uint8_t)0x1C)
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#define I2C_Register_PECR ((uint8_t)0x20)
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#define I2C_Register_RXDR ((uint8_t)0x24)
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#define I2C_Register_TXDR ((uint8_t)0x28)
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#define IS_I2C_REGISTER(REGISTER) (((REGISTER) == I2C_Register_CR1) || \
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((REGISTER) == I2C_Register_CR2) || \
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((REGISTER) == I2C_Register_OAR1) || \
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((REGISTER) == I2C_Register_OAR2) || \
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((REGISTER) == I2C_Register_TIMINGR) || \
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((REGISTER) == I2C_Register_TIMEOUTR) || \
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((REGISTER) == I2C_Register_ISR) || \
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((REGISTER) == I2C_Register_ICR) || \
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((REGISTER) == I2C_Register_PECR) || \
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((REGISTER) == I2C_Register_RXDR) || \
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((REGISTER) == I2C_Register_TXDR))
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/**
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* @}
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*/
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/** @defgroup I2C_interrupts_definition
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* @{
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*/
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#define I2C_IT_ERRI I2C_CR1_ERRIE
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#define I2C_IT_TCI I2C_CR1_TCIE
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#define I2C_IT_STOPI I2C_CR1_STOPIE
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#define I2C_IT_NACKI I2C_CR1_NACKIE
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#define I2C_IT_ADDRI I2C_CR1_ADDRIE
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#define I2C_IT_RXI I2C_CR1_RXIE
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#define I2C_IT_TXI I2C_CR1_TXIE
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#define IS_I2C_CONFIG_IT(IT) ((((IT) & (uint32_t)0xFFFFFF01) == 0x00) && ((IT) != 0x00))
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/**
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* @}
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*/
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/** @defgroup I2C_flags_definition
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* @{
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*/
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#define I2C_FLAG_TXE I2C_ISR_TXE
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#define I2C_FLAG_TXIS I2C_ISR_TXIS
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#define I2C_FLAG_RXNE I2C_ISR_RXNE
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#define I2C_FLAG_ADDR I2C_ISR_ADDR
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#define I2C_FLAG_NACKF I2C_ISR_NACKF
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#define I2C_FLAG_STOPF I2C_ISR_STOPF
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#define I2C_FLAG_TC I2C_ISR_TC
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#define I2C_FLAG_TCR I2C_ISR_TCR
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#define I2C_FLAG_BERR I2C_ISR_BERR
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#define I2C_FLAG_ARLO I2C_ISR_ARLO
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#define I2C_FLAG_OVR I2C_ISR_OVR
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#define I2C_FLAG_PECERR I2C_ISR_PECERR
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#define I2C_FLAG_TIMEOUT I2C_ISR_TIMEOUT
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#define I2C_FLAG_ALERT I2C_ISR_ALERT
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#define I2C_FLAG_BUSY I2C_ISR_BUSY
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#define IS_I2C_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFF4000) == 0x00) && ((FLAG) != 0x00))
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#define IS_I2C_GET_FLAG(FLAG) (((FLAG) == I2C_FLAG_TXE) || ((FLAG) == I2C_FLAG_TXIS) || \
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((FLAG) == I2C_FLAG_RXNE) || ((FLAG) == I2C_FLAG_ADDR) || \
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((FLAG) == I2C_FLAG_NACKF) || ((FLAG) == I2C_FLAG_STOPF) || \
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((FLAG) == I2C_FLAG_TC) || ((FLAG) == I2C_FLAG_TCR) || \
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((FLAG) == I2C_FLAG_BERR) || ((FLAG) == I2C_FLAG_ARLO) || \
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((FLAG) == I2C_FLAG_OVR) || ((FLAG) == I2C_FLAG_PECERR) || \
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((FLAG) == I2C_FLAG_TIMEOUT) || ((FLAG) == I2C_FLAG_ALERT) || \
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((FLAG) == I2C_FLAG_BUSY))
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/**
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* @}
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*/
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/** @defgroup I2C_interrupts_definition
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* @{
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*/
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#define I2C_IT_TXIS I2C_ISR_TXIS
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#define I2C_IT_RXNE I2C_ISR_RXNE
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#define I2C_IT_ADDR I2C_ISR_ADDR
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#define I2C_IT_NACKF I2C_ISR_NACKF
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#define I2C_IT_STOPF I2C_ISR_STOPF
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#define I2C_IT_TC I2C_ISR_TC
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#define I2C_IT_TCR I2C_ISR_TCR
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#define I2C_IT_BERR I2C_ISR_BERR
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#define I2C_IT_ARLO I2C_ISR_ARLO
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#define I2C_IT_OVR I2C_ISR_OVR
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#define I2C_IT_PECERR I2C_ISR_PECERR
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#define I2C_IT_TIMEOUT I2C_ISR_TIMEOUT
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#define I2C_IT_ALERT I2C_ISR_ALERT
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#define IS_I2C_CLEAR_IT(IT) ((((IT) & (uint32_t)0xFFFFC001) == 0x00) && ((IT) != 0x00))
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#define IS_I2C_GET_IT(IT) (((IT) == I2C_IT_TXIS) || ((IT) == I2C_IT_RXNE) || \
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((IT) == I2C_IT_ADDR) || ((IT) == I2C_IT_NACKF) || \
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((IT) == I2C_IT_STOPF) || ((IT) == I2C_IT_TC) || \
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((IT) == I2C_IT_TCR) || ((IT) == I2C_IT_BERR) || \
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((IT) == I2C_IT_ARLO) || ((IT) == I2C_IT_OVR) || \
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((IT) == I2C_IT_PECERR) || ((IT) == I2C_IT_TIMEOUT) || \
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((IT) == I2C_IT_ALERT))
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/**
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* @}
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*/
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/** @defgroup I2C_ReloadEndMode_definition
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* @{
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*/
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#define I2C_Reload_Mode I2C_CR2_RELOAD
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#define I2C_AutoEnd_Mode I2C_CR2_AUTOEND
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#define I2C_SoftEnd_Mode ((uint32_t)0x00000000)
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||
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||
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#define IS_RELOAD_END_MODE(MODE) (((MODE) == I2C_Reload_Mode) || \
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||
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((MODE) == I2C_AutoEnd_Mode) || \
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||
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((MODE) == I2C_SoftEnd_Mode))
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||
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||
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|
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||
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/**
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||
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* @}
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||
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*/
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||
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/** @defgroup I2C_StartStopMode_definition
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||
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* @{
|
||
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|
*/
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||
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||
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#define I2C_No_StartStop ((uint32_t)0x00000000)
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||
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#define I2C_Generate_Stop I2C_CR2_STOP
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||
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|
#define I2C_Generate_Start_Read (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN)
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||
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|
#define I2C_Generate_Start_Write I2C_CR2_START
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||
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||
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||
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#define IS_START_STOP_MODE(MODE) (((MODE) == I2C_Generate_Stop) || \
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||
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((MODE) == I2C_Generate_Start_Read) || \
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||
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|
((MODE) == I2C_Generate_Start_Write) || \
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||
|
|
((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 */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|