67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
|
/*
|
||
|
|
* 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_config.h"
|
||
|
|
#include <rtthread.h>
|
||
|
|
#include "rtdevice.h"
|
||
|
|
#include <rthw.h>
|
||
|
|
#include <drv_common.h>
|
||
|
|
#include "drv_dma.h"
|
||
|
|
#include <ipc/completion.h>
|
||
|
|
#ifdef (RT_USING_I2C && BSP_USING_I2C)
|
||
|
|
|
||
|
|
/* 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, *dma_tx;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct stm32_i2c
|
||
|
|
{
|
||
|
|
I2C_HandleTypeDef handle;
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
DMA_HandleTypeDef handle_rx;
|
||
|
|
DMA_HandleTypeDef handle_tx;
|
||
|
|
} dma;
|
||
|
|
struct stm32_i2c_config *config;
|
||
|
|
struct rt_i2c_bus_device i2c_bus;
|
||
|
|
rt_uint8_t i2c_dma_flag;
|
||
|
|
struct rt_completion completion;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
#define I2C_USING_TX_DMA_FLAG (1U)
|
||
|
|
#define I2C_USING_RX_DMA_FLAG (1U << 1)
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* BSP_USING_I2C */
|
||
|
|
|
||
|
|
#endif /* __DRV_I2C_H__ */
|