/* mbed Microcontroller Library
 *******************************************************************************
 * Copyright (c) 2015-2021, STMicroelectronics
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of STMicroelectronics nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *******************************************************************************
 */

#ifndef MBED_I2C_DEVICE_H
#define MBED_I2C_DEVICE_H

#include "PeripheralNames.h"

#ifdef __cplusplus
extern "C" {
#endif

/*  Define I2C Device */
#if DEVICE_I2C

#define TIMING_VAL_DEFAULT_CLK_100KHZ  0x10916998  // Standard mode with Rise time = 120ns, Fall time = 120ns
#define TIMING_VAL_DEFAULT_CLK_400KHZ  0x00B11B54  // Fast Mode with Rise time = 120ns, Fall time = 120ns
#define TIMING_VAL_DEFAULT_CLK_1MHZ    0x0090091B  // Fast Mode Plus with Rise time = 120ns, Fall time = 10ns
#define I2C_PCLK_DEF                   54000000    // 54 MHz

/*  Define IP version */
#define I2C_IP_VERSION_V2

#define I2C_IT_ALL (I2C_IT_ERRI|I2C_IT_TCI|I2C_IT_STOPI|I2C_IT_NACKI|I2C_IT_ADDRI|I2C_IT_RXI|I2C_IT_TXI)

/*  Family specifc settings for clock source */
#define I2CAPI_I2C1_CLKSRC RCC_I2C1CLKSOURCE_PCLK1
#define I2CAPI_I2C2_CLKSRC RCC_I2C2CLKSOURCE_PCLK1
#define I2CAPI_I2C3_CLKSRC RCC_I2C3CLKSOURCE_PCLK1
#define I2CAPI_I2C4_CLKSRC RCC_I2C4CLKSOURCE_PCLK1

uint32_t i2c_get_pclk(I2CName i2c);
uint32_t i2c_compute_timing(uint32_t clock_src_freq, uint32_t i2c_freq);
uint32_t i2c_get_timing(I2CName i2c, int hz);
void i2c_compute_presc_scldel_sdadel(uint32_t clock_src_freq, uint32_t I2C_speed);
uint32_t i2c_compute_scll_sclh(uint32_t clock_src_freq, uint32_t I2C_speed);

#ifdef __cplusplus
}
#endif
#endif // DEVICE_I2C
#endif
