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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-02-17 Dyyt587 first version
*/
#ifndef __DRV_HARD_I2C_H__
#define __DRV_HARD_I2C_H__
#include <drv_common.h>
#include "drv_dma.h"
#include "drv_config.h"
#include <ipc/completion.h>
/* C binding of definitions if building with C++ compiler */
#ifdef __cplusplus
extern "C"
{
#endif
struct stm32_i2c_config
{
const char *name;
I2C_TypeDef *Instance;
rt_uint32_t timing;
rt_uint32_t timeout;
IRQn_Type evirq_type;
IRQn_Type erirq_type;
struct dma_config *dma_rx;
struct dma_config *dma_tx;
};
struct stm32_i2c
{
I2C_HandleTypeDef handle;
struct stm32_i2c_config *config;
struct
{
DMA_HandleTypeDef handle_rx;
DMA_HandleTypeDef handle_tx;
} dma;
rt_uint8_t i2c_dma_flag;
struct rt_i2c_bus_device i2c_bus;
struct rt_completion completion;
};
#define I2C_USING_TX_DMA_FLAG (1U)
#define I2C_USING_RX_DMA_FLAG (1U << 1)
#ifdef __cplusplus
}
#endif
#endif /* __DRV_I2C_H__ */
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