/* mbed Microcontroller Library * SPDX-License-Identifier: BSD-3-Clause ****************************************************************************** * * Copyright (c) 2015-2021 STMicroelectronics. * Copyright (c) 2020, Arduino SA. * All rights reserved. * * This software component is licensed by ST under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** */ #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 IP version */ #define I2C_IP_VERSION_V2 #define TIMING_VAL_120M_CLK_100KHZ 0x40E15676 // Standard mode with Rise Time = 400ns and Fall Time = 100ns #define TIMING_VAL_120M_CLK_400KHZ 0x20C11434 // Fast mode with Rise Time = 250ns and Fall Time = 100ns #define TIMING_VAL_120M_CLK_1MHZ 0x00C31536 // Fast mode Plus with Rise Time = 60ns and Fall Time = 100ns #define I2C_PCLK_120M 120000000 // 120 MHz #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_D2PCLK1 #define I2CAPI_I2C2_CLKSRC RCC_I2C2CLKSOURCE_D2PCLK1 #define I2CAPI_I2C3_CLKSRC RCC_I2C3CLKSOURCE_D2PCLK1 #define I2CAPI_I2C4_CLKSRC RCC_I2C4CLKSOURCE_D3PCLK1 #define I2CAPI_I2C5_CLKSRC RCC_I2C5CLKSOURCE_D2PCLK1 uint32_t i2c_get_pclk(I2CName i2c); uint32_t i2c_get_timing(I2CName i2c, uint32_t current_timing, int current_hz, int hz); #if MBED_CONF_TARGET_I2C_TIMING_VALUE_ALGO uint32_t i2c_compute_timing(uint32_t clock_src_freq, uint32_t i2c_freq); 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); #endif // MBED_CONF_TARGET_I2C_TIMING_VALUE_ALGO #endif // DEVICE_I2C #ifdef __cplusplus } #endif #endif