ATY_LIB/HW_I2C_ATY.h

/**
* @file HW_I2C_ATY.h
*
* @param Project DEVICE_GENERAL_ATY_LIB
*
* @author ATY
*
* @copyright
*       - Copyright 2017 - 2023 MZ-ATY
*       - This code follows:
*           - MZ-ATY Various Contents Joint Statement -
*               <a href="https://mengze.top/MZ-ATY_VCJS">
*                        https://mengze.top/MZ-ATY_VCJS</a>
*           - CC 4.0 BY-NC-SA -
*               <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/">
*                        https://creativecommons.org/licenses/by-nc-sa/4.0/</a>
*       - Your use will be deemed to have accepted the terms of this statement.
*
* @brief Familiar functions of I2C for all embedded device
*
* @version
*       - 1_01_220608 > ATY
*           -# Preliminary version, first Release
*       - 1_02_240108 > ATY
*           -# add multy addr and channel
*       - 1_01_240111 > ATY
*           -# add lock
********************************************************************************
*/


#ifndef __HW_I2C_ATY_H
#define __HW_I2C_ATY_H

#include "INCLUDE_ATY.h"

/******************************* For user *************************************/
/**
* @brief Eliminate HAL_I2C bug
* @warning Put "__HAL_RCC_I2C1_CLK_ENABLE();" before GPIO init
*/
//void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
//{
//  GPIO_InitTypeDef GPIO_InitStruct = {0};
//  if(hi2c->Instance==I2C1)
//  {
//  /* USER CODE BEGIN I2C1_MspInit 0 */
//  __HAL_RCC_I2C1_CLK_ENABLE();
//  /* USER CODE END I2C1_MspInit 0 */
//
//    __HAL_RCC_GPIOB_CLK_ENABLE();
//    /**I2C1 GPIO Configuration
//    PB6     ------> I2C1_SCL
//    PB7     ------> I2C1_SDA
//    */
//    GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
//    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
//    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
//    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
//
//    /* Peripheral clock enable */
//    //__HAL_RCC_I2C1_CLK_ENABLE();
//  /* USER CODE BEGIN I2C1_MspInit 1 */
//
//  /* USER CODE END I2C1_MspInit 1 */
//  }
//
//}

#define I2C_WAIT_ACK_TIME       250 // us
#define SHORT_DELAY             1
#define LONG_DELAY              1

/******************************************************************************/

struct HW_I2C_ATY_Dev
{
    uint8_t hardwareEnable;

    void (*sclSet)(uint8_t level);
    void (*sdaSet)(uint8_t cmd, uint8_t param);
    uint8_t(*sdaGet)();

    uint8_t(*i2cProcess)(uint8_t addr, uint8_t* data_t, uint8_t len, uint8_t rw);

    void (*delay)(uint32_t t);

    uint8_t lock;
    uint8_t debugEnable;
    void (*LOG)(const char*, ...);
};

uint8_t I2C_Start(struct HW_I2C_ATY_Dev* dev);
uint8_t I2C_Stop(struct HW_I2C_ATY_Dev* dev);
uint8_t I2C_Ack(struct HW_I2C_ATY_Dev* dev);
uint8_t I2C_NoAck(struct HW_I2C_ATY_Dev* dev);
uint8_t I2C_WaitAck(uint16_t maxErrTime, struct HW_I2C_ATY_Dev* dev);
uint8_t I2C_WriteByte(uint8_t byte, struct HW_I2C_ATY_Dev* dev);
uint8_t I2C_ReadByte(uint8_t ack, struct HW_I2C_ATY_Dev* dev);

uint8_t I2C_Write(uint8_t addr, uint8_t* data_t, uint8_t len, struct HW_I2C_ATY_Dev* dev);
uint8_t I2C_Write_NoStop(uint8_t addr, uint8_t* data_t, uint8_t len, struct HW_I2C_ATY_Dev* dev);
uint8_t I2C_Read(uint8_t addr, uint8_t* data_t, uint8_t len, struct HW_I2C_ATY_Dev* dev);
uint8_t I2C_WriteReg(uint8_t addr, uint8_t reg, uint8_t* data_t, uint8_t len, struct HW_I2C_ATY_Dev* dev);
uint8_t I2C_ReadReg(uint8_t addr, uint8_t reg, uint8_t* data_t, uint8_t len, struct HW_I2C_ATY_Dev* dev);

#endif /* __HW_I2C_ATY_H */

/******************************** End Of File *********************************/