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- /*
- * 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 <rtthread.h>
- #include <rthw.h>
- #include <rtdevice.h>
- #include <rtdbg.h>
- /* 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 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
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