I2C Private Macros

Modules
	I2C Private macros to check input parameters

Macros
#define	I2C_FREQRANGE(__PCLK__)   ((__PCLK__)/1000000U)
#define	I2C_RISE_TIME(__FREQRANGE__, __SPEED__)   (((__SPEED__) <= 100000U) ? ((__FREQRANGE__) + 1U) : ((((__FREQRANGE__) * 300U) / 1000U) + 1U))
#define	I2C_SPEED_STANDARD(__PCLK__, __SPEED__)   (((((__PCLK__)/((__SPEED__) << 1U)) & I2C_CCR_CCR) < 4U)? 4U:((__PCLK__) / ((__SPEED__) << 1U)))
#define	I2C_SPEED_FAST(__PCLK__, __SPEED__, __DUTYCYCLE__)   (((__DUTYCYCLE__) == I2C_DUTYCYCLE_2)? ((__PCLK__) / ((__SPEED__) * 3U)) : (((__PCLK__) / ((__SPEED__) * 25U)) | I2C_DUTYCYCLE_16_9))
#define	I2C_SPEED(__PCLK__, __SPEED__, __DUTYCYCLE__)
#define	I2C_7BIT_ADD_WRITE(__ADDRESS__)   ((uint8_t)((__ADDRESS__) & (~I2C_OAR1_ADD0)))
#define	I2C_7BIT_ADD_READ(__ADDRESS__)   ((uint8_t)((__ADDRESS__) | I2C_OAR1_ADD0))
#define	I2C_10BIT_ADDRESS(__ADDRESS__)   ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FFU))))
#define	I2C_10BIT_HEADER_WRITE(__ADDRESS__)   ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0x0300U))) >> 7U) | (uint16_t)(0x00F0U))))
#define	I2C_10BIT_HEADER_READ(__ADDRESS__)   ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0x0300U))) >> 7U) | (uint16_t)(0x00F1U))))
#define	I2C_MEM_ADD_MSB(__ADDRESS__)   ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0xFF00U))) >> 8U)))
#define	I2C_MEM_ADD_LSB(__ADDRESS__)   ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FFU))))

Detailed Description

Macro Definition Documentation

I2C_SPEED

#define I2C_SPEED	(		__PCLK__,
			__SPEED__,
			__DUTYCYCLE__
	)

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))