Collaboration diagram for I2C Private Macros:

Topics
	I2C Private macros to check input parameters

Macros
#define	I2C_MIN_PCLK_FREQ(__PCLK__, __SPEED__)

#define	I2C_CCR_CALCULATION(__PCLK__, __SPEED__, __COEFF__)

#define	I2C_FREQRANGE(__PCLK__)

#define	I2C_RISE_TIME(__FREQRANGE__, __SPEED__)

#define	I2C_SPEED_STANDARD(__PCLK__, __SPEED__)

#define	I2C_SPEED_FAST(__PCLK__, __SPEED__, __DUTYCYCLE__)

#define	I2C_SPEED(__PCLK__, __SPEED__, __DUTYCYCLE__)

#define	I2C_7BIT_ADD_WRITE(__ADDRESS__)

#define	I2C_7BIT_ADD_READ(__ADDRESS__)

#define	I2C_10BIT_ADDRESS(__ADDRESS__)

#define	I2C_10BIT_HEADER_WRITE(__ADDRESS__)

#define	I2C_10BIT_HEADER_READ(__ADDRESS__)

#define	I2C_MEM_ADD_MSB(__ADDRESS__)

#define	I2C_MEM_ADD_LSB(__ADDRESS__)

#define	I2C_GET_DMA_REMAIN_DATA(__HANDLE__)

Detailed Description

Macro Definition Documentation

◆ I2C_MIN_PCLK_FREQ

#define I2C_MIN_PCLK_FREQ	(		__PCLK__,
			__SPEED__ )

#include <stm32f4xx_hal_i2c.h>

Value:

(((__SPEED__) <= 100000U) ? ((__PCLK__) < I2C_MIN_PCLK_FREQ_STANDARD) : ((__PCLK__) < I2C_MIN_PCLK_FREQ_FAST))

I2C_MIN_PCLK_FREQ_STANDARD

#define I2C_MIN_PCLK_FREQ_STANDARD

Definition stm32f4xx_hal_i2c.h:648

I2C_MIN_PCLK_FREQ_FAST

#define I2C_MIN_PCLK_FREQ_FAST

Definition stm32f4xx_hal_i2c.h:649

Definition at line 659 of file stm32f4xx_hal_i2c.h.

Referenced by HAL_I2C_Init().

◆ I2C_CCR_CALCULATION

#define I2C_CCR_CALCULATION	(	__PCLK__,
		__SPEED__,
		__COEFF__ )

#include <stm32f4xx_hal_i2c.h>

Value:

(((((__PCLK__) - 1U)/((__SPEED__) * (__COEFF__))) + 1U) & I2C_CCR_CCR)

Definition at line 660 of file stm32f4xx_hal_i2c.h.

◆ I2C_FREQRANGE

#define I2C_FREQRANGE ( __PCLK__ )

#include <stm32f4xx_hal_i2c.h>

Value:

((__PCLK__)/1000000U)

Definition at line 661 of file stm32f4xx_hal_i2c.h.

Referenced by HAL_I2C_Init().

◆ I2C_RISE_TIME

#define I2C_RISE_TIME	(		__FREQRANGE__,
			__SPEED__ )

#include <stm32f4xx_hal_i2c.h>

Value:

(((__SPEED__) <= 100000U) ? ((__FREQRANGE__) + 1U) : ((((__FREQRANGE__) * 300U) / 1000U) + 1U))

Definition at line 662 of file stm32f4xx_hal_i2c.h.

Referenced by HAL_I2C_Init().

◆ I2C_SPEED_STANDARD

#define I2C_SPEED_STANDARD	(		__PCLK__,
			__SPEED__ )

#include <stm32f4xx_hal_i2c.h>

Value:

((I2C_CCR_CALCULATION((__PCLK__), (__SPEED__), 2U) < 4U)? 4U:I2C_CCR_CALCULATION((__PCLK__), (__SPEED__), 2U))

I2C_CCR_CALCULATION

#define I2C_CCR_CALCULATION(__PCLK__, __SPEED__, __COEFF__)

Definition stm32f4xx_hal_i2c.h:660

Definition at line 663 of file stm32f4xx_hal_i2c.h.

◆ I2C_SPEED_FAST

#define I2C_SPEED_FAST	(	__PCLK__,
		__SPEED__,
		__DUTYCYCLE__ )

#include <stm32f4xx_hal_i2c.h>

Value:

(((__DUTYCYCLE__) == I2C_DUTYCYCLE_2)? I2C_CCR_CALCULATION((__PCLK__), (__SPEED__), 3U) : (I2C_CCR_CALCULATION((__PCLK__), (__SPEED__), 25U) | I2C_DUTYCYCLE_16_9))

I2C_DUTYCYCLE_2

#define I2C_DUTYCYCLE_2

Definition stm32f4xx_hal_i2c.h:289

I2C_DUTYCYCLE_16_9

#define I2C_DUTYCYCLE_16_9

Definition stm32f4xx_hal_i2c.h:290

Definition at line 664 of file stm32f4xx_hal_i2c.h.

◆ I2C_SPEED

#define I2C_SPEED	(	__PCLK__,
		__SPEED__,
		__DUTYCYCLE__ )

#include <stm32f4xx_hal_i2c.h>

Value:

                                                                  (((__SPEED__) <= 100000U)? (I2C_SPEED_STANDARD((__PCLK__), (__SPEED__))) : \
                                                                  ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__)) & I2C_CCR_CCR) == 0U)? 1U : \
                                                                  ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__))) | I2C_CCR_FS))