/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2021-07-29 KyleChan first version */ #ifndef __DRV_I2C__ #define __DRV_I2C__ #include #include #include #include /* ra config class */ struct ra_soft_i2c_config { rt_uint32_t scl; rt_uint32_t sda; const char *bus_name; }; /* ra i2c dirver class */ struct ra_i2c { struct rt_i2c_bit_ops ops; struct rt_i2c_bus_device i2c_bus; }; #ifdef BSP_USING_I2C0 #define I2C0_BUS_CONFIG \ { \ .scl = BSP_I2C0_SCL_PIN, \ .sda = BSP_I2C0_SDA_PIN, \ .bus_name = "i2c0", \ } #endif #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 int rt_hw_i2c_init(void); #endif