/* * Copyright (c) 2006-2022, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2022-09-19 hg0720 the first version which add from wch */ #ifndef __DRV_I2C__ #define __DRV_I2C__ #include <rtthread.h> #include <rthw.h> #include <rtdevice.h> /* ch32 config class */ struct ch32_soft_i2c_config { rt_uint8_t scl; rt_uint8_t sda; const char *bus_name; }; /* ch32 i2c dirver class */ struct ch32_i2c { struct rt_i2c_bit_ops ops; struct rt_i2c_bus_device i2c2_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 int rt_hw_i2c_init(void); #endif