i2c.h

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/********************************************************************************************************
 * @file     i2c.h 
 *
 * @brief    This is the header file for TLSR8258
 *
 * @author   Driver Group
 * @date     May 8, 2018
 *
 * @par      Copyright (c) 2019, Telink Semiconductor (Shanghai) Co., Ltd.
 *           All rights reserved.
 *
 *           The information contained herein is confidential property of Telink
 *           Semiconductor (Shanghai) Co., Ltd. and is available under the terms
 *           of Commercial License Agreement between Telink Semiconductor (Shanghai)
 *           Co., Ltd. and the licensee or the terms described here-in. This heading
 *           MUST NOT be removed from this file.
 *
 *           Licensees are granted free, non-transferable use of the information in this
 *           file under Mutual Non-Disclosure Agreement. NO WARRENTY of ANY KIND is provided.
 * @par      History:
 *           1.initial release(DEC. 26 2018)
 *
 * @version  A001
 *
 *******************************************************************************************************/

#pragma once

#ifndef I2C_H
#define I2C_H
#include "gpio.h"


#define I2C_SLAVE_DEVICE_NO_START_EN                        0

typedef enum {
    I2C_GPIO_GROUP_A3A4,
    I2C_GPIO_GROUP_B6D7,
    I2C_GPIO_GROUP_C0C1,
    I2C_GPIO_GROUP_C2C3,
}I2C_GPIO_GroupTypeDef;


typedef enum {
    I2C_SLAVE_DMA = 0,
    I2C_SLAVE_MAP,
}I2C_SlaveMode;


static inline void reset_i2c_moudle(void)
{
    reg_rst0 |= FLD_RST0_I2C;
    reg_rst0 &= (~FLD_RST0_I2C);
}

static inline void i2c_set_id(unsigned char SlaveID)
{
    reg_i2c_id    = SlaveID; //slave address
}

static inline void i2c_slave_mapping_mode_data_buffer_config(unsigned char * pMapBuf)
{
     reg_i2c_slave_map_addrl  = (unsigned char)(((unsigned int)pMapBuf & 0xff)); //
     reg_i2c_slave_map_addrm = (unsigned char)(((unsigned int)pMapBuf>>8)&0xff);
     reg_i2c_slave_map_addrh = 0x04;
}
void i2c_gpio_set(I2C_GPIO_GroupTypeDef i2c_pin_group);

void i2c_master_init(unsigned char SlaveID, unsigned char DivClock);


void i2c_slave_init(unsigned char device_ID,I2C_SlaveMode mode,unsigned char * pMapBuf);


void i2c_write_byte(unsigned int Addr, unsigned int AddrLen, unsigned char Data);

unsigned char i2c_read_byte(unsigned int Addr, unsigned int AddrLen);

void i2c_write_series(unsigned int Addr, unsigned int AddrLen, unsigned char * dataBuf, int dataLen);
void i2c_read_series(unsigned int Addr, unsigned int AddrLen, unsigned char * dataBuf, int dataLen);

#endif
 //end of GP6