I2C Private Macros

Macros
#define	IS_I2C_ADDRESSING_MODE(MODE)
#define	IS_I2C_DUAL_ADDRESS(ADDRESS)
#define	IS_I2C_OWN_ADDRESS2_MASK(MASK)
#define	IS_I2C_GENERAL_CALL(CALL)
#define	IS_I2C_NO_STRETCH(STRETCH)
#define	IS_I2C_MEMADD_SIZE(SIZE)
#define	IS_TRANSFER_MODE(MODE)
#define	IS_TRANSFER_REQUEST(REQUEST)
#define	IS_I2C_TRANSFER_OPTIONS_REQUEST(REQUEST)
#define	IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST)
#define	I2C_RESET_CR2(__HANDLE__)
#define	I2C_GET_ADDR_MATCH(__HANDLE__)
#define	I2C_GET_DIR(__HANDLE__)
#define	I2C_GET_STOP_MODE(__HANDLE__)
#define	I2C_GET_OWN_ADDRESS1(__HANDLE__)
#define	I2C_GET_OWN_ADDRESS2(__HANDLE__)
#define	IS_I2C_OWN_ADDRESS1(ADDRESS1)
#define	IS_I2C_OWN_ADDRESS2(ADDRESS2)
#define	I2C_MEM_ADD_MSB(__ADDRESS__)
#define	I2C_MEM_ADD_LSB(__ADDRESS__)
#define	I2C_GENERATE_START(__ADDMODE__, __ADDRESS__)
#define	I2C_CHECK_FLAG(__ISR__, __FLAG__)
#define	I2C_CHECK_IT_SOURCE(__CR1__, __IT__)

Detailed Description

Macro Definition Documentation

I2C_CHECK_FLAG

#define I2C_CHECK_FLAG	(		__ISR__,
			__FLAG__ )

Value:

((((__ISR__) & ((__FLAG__) & I2C_FLAG_MASK)) == \
((__FLAG__) & I2C_FLAG_MASK)) ? SET : RESET)

I2C_CHECK_IT_SOURCE

#define I2C_CHECK_IT_SOURCE	(		__CR1__,
			__IT__ )

Value:

((((__CR1__) & (__IT__)) == (__IT__)) ? SET : RESET)

I2C_GENERATE_START

#define I2C_GENERATE_START	(		__ADDMODE__,
			__ADDRESS__ )

Value:

(((__ADDMODE__) == I2C_ADDRESSINGMODE_7BIT) ? \
(uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | \
            (I2C_CR2_START) | (I2C_CR2_AUTOEND)) & \
           (~I2C_CR2_RD_WRN)) : \
(uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | \
            (I2C_CR2_ADD10) | (I2C_CR2_START) | \
            (I2C_CR2_AUTOEND)) & (~I2C_CR2_RD_WRN)))

I2C_GET_ADDR_MATCH

#define I2C_GET_ADDR_MATCH

(

__HANDLE__

)

Value:

((uint16_t)(((__HANDLE__)->Instance->ISR & I2C_ISR_ADDCODE) \
>> 16U))

I2C_GET_DIR

#define I2C_GET_DIR

(

__HANDLE__

)

Value:

((uint8_t)(((__HANDLE__)->Instance->ISR & I2C_ISR_DIR) \
>> 16U))

I2C_GET_OWN_ADDRESS1

#define I2C_GET_OWN_ADDRESS1

(

__HANDLE__

)

Value:

((uint16_t)((__HANDLE__)->Instance->OAR1 & I2C_OAR1_OA1))

I2C_GET_OWN_ADDRESS2

#define I2C_GET_OWN_ADDRESS2

(

__HANDLE__

)

Value:

((uint16_t)((__HANDLE__)->Instance->OAR2 & I2C_OAR2_OA2))

I2C_GET_STOP_MODE

#define I2C_GET_STOP_MODE

(

__HANDLE__

)

Value:

((__HANDLE__)->Instance->CR2 & I2C_CR2_AUTOEND)

I2C_MEM_ADD_LSB

#define I2C_MEM_ADD_LSB

(

__ADDRESS__

)

Value:

((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FFU))))

I2C_MEM_ADD_MSB

#define I2C_MEM_ADD_MSB

(

__ADDRESS__

)

Value:

((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & \
(uint16_t)(0xFF00U))) >> 8U)))

I2C_RESET_CR2

#define I2C_RESET_CR2

(

__HANDLE__

)

Value:

((__HANDLE__)->Instance->CR2 &= \
(uint32_t)~((uint32_t)(I2C_CR2_SADD   | I2C_CR2_HEAD10R | \
                       I2C_CR2_NBYTES | I2C_CR2_RELOAD  | \
                       I2C_CR2_RD_WRN)))

IS_I2C_ADDRESSING_MODE

#define IS_I2C_ADDRESSING_MODE

(

MODE

)

Value:

(((MODE) == I2C_ADDRESSINGMODE_7BIT) || \
((MODE) == I2C_ADDRESSINGMODE_10BIT))

IS_I2C_DUAL_ADDRESS

#define IS_I2C_DUAL_ADDRESS

(

ADDRESS

)

Value:

(((ADDRESS) == I2C_DUALADDRESS_DISABLE) || \
((ADDRESS) == I2C_DUALADDRESS_ENABLE))

IS_I2C_GENERAL_CALL

#define IS_I2C_GENERAL_CALL

(

CALL

)

Value:

(((CALL) == I2C_GENERALCALL_DISABLE) || \
((CALL) == I2C_GENERALCALL_ENABLE))

IS_I2C_MEMADD_SIZE

#define IS_I2C_MEMADD_SIZE

(

SIZE

)

Value:

(((SIZE) == I2C_MEMADD_SIZE_8BIT) || \
((SIZE) == I2C_MEMADD_SIZE_16BIT))

IS_I2C_NO_STRETCH

#define IS_I2C_NO_STRETCH

(

STRETCH

)

Value:

(((STRETCH) == I2C_NOSTRETCH_DISABLE) || \
((STRETCH) == I2C_NOSTRETCH_ENABLE))

IS_I2C_OWN_ADDRESS1

#define IS_I2C_OWN_ADDRESS1

(

ADDRESS1

)

Value:

((ADDRESS1) <= 0x000003FFU)

IS_I2C_OWN_ADDRESS2

#define IS_I2C_OWN_ADDRESS2

(

ADDRESS2

)

Value:

((ADDRESS2) <= (uint16_t)0x00FFU)

IS_I2C_OWN_ADDRESS2_MASK

#define IS_I2C_OWN_ADDRESS2_MASK

(

MASK

)

Value:

(((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))

IS_I2C_TRANSFER_OPTIONS_REQUEST

#define IS_I2C_TRANSFER_OPTIONS_REQUEST

(

REQUEST

)

Value:

(((REQUEST) == I2C_FIRST_FRAME)          || \
((REQUEST) == I2C_FIRST_AND_NEXT_FRAME) || \
((REQUEST) == I2C_NEXT_FRAME)           || \
((REQUEST) == I2C_FIRST_AND_LAST_FRAME) || \
((REQUEST) == I2C_LAST_FRAME)           || \
((REQUEST) == I2C_LAST_FRAME_NO_STOP)   || \
IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST))

IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST

#define IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST

(

REQUEST

)

Value:

(((REQUEST) == I2C_OTHER_FRAME)     || \
((REQUEST) == I2C_OTHER_AND_LAST_FRAME))

IS_TRANSFER_MODE

#define IS_TRANSFER_MODE

(

MODE

)

Value:

(((MODE) == I2C_RELOAD_MODE)   || \
((MODE) == I2C_AUTOEND_MODE) || \
((MODE) == I2C_SOFTEND_MODE))

IS_TRANSFER_REQUEST

#define IS_TRANSFER_REQUEST

(

REQUEST

)

Value:

(((REQUEST) == I2C_GENERATE_STOP)        || \
((REQUEST) == I2C_GENERATE_START_READ)  || \
((REQUEST) == I2C_GENERATE_START_WRITE) || \
((REQUEST) == I2C_NO_STARTSTOP))