/* * Copyright (c) 2006-2023, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2018-11-08 balanceTWK first version */ #ifndef __DRV_I2C__ #define __DRV_I2C__ #include #include #include /* stm32 config class */ struct stm32_soft_i2c_config { rt_uint8_t scl; rt_uint8_t sda; const char *bus_name; }; /* stm32 i2c dirver class */ struct stm32_i2c { struct rt_i2c_bit_ops ops; struct rt_i2c_bus_device i2c_bus; }; #ifdef BSP_USING_I2C1 #define I2C1_BUS_CONFIG \ { \ .scl = BSP_I2C1_SCL_PIN, \ .sda = BSP_I2C1_SDA_PIN, \ .bus_name = "i2c1", \ } #endif #ifdef BSP_USING_I2C2 #define I2C2_BUS_CONFIG \ { \ .scl = BSP_I2C2_SCL_PIN, \ .sda = BSP_I2C2_SDA_PIN, \ .bus_name = "i2c2", \ } #endif #ifdef BSP_USING_I2C3 #define I2C3_BUS_CONFIG \ { \ .scl = BSP_I2C3_SCL_PIN, \ .sda = BSP_I2C3_SDA_PIN, \ .bus_name = "i2c3", \ } #endif #ifdef BSP_USING_I2C4 #define I2C4_BUS_CONFIG \ { \ .scl = BSP_I2C4_SCL_PIN, \ .sda = BSP_I2C4_SDA_PIN, \ .bus_name = "i2c4", \ } #endif #ifdef BSP_USING_I2C5 #define I2C5_BUS_CONFIG \ { \ .scl = BSP_I2C5_SCL_PIN, \ .sda = BSP_I2C5_SDA_PIN, \ .bus_name = "i2c5", \ } #endif int rt_hw_i2c_init(void); #endif