d08ae0bfd1
为什么提交这份PR (why to submit this PR) ps：在设备初始化阶段不应该存在对硬件的操作 你的解决方案是什么 (what is your solution) ps：添加一个pin_init函数，在spi设备使用时调用该函数来完成硬件引脚的状态初始化，而不是在设备初始化阶段对硬件进行操作，已经在瑞萨HMI上通过验证
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-10-11 kyle first version
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* 2022-6-14 solar Remove the const attribute of private data in ops
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*/
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#ifndef __SPI_BIT_OPS_H__
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#define __SPI_BIT_OPS_H__
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#include <rtdevice.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct rt_spi_bit_ops
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{
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void *data; /* private data for lowlevel routines */
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void (*const pin_init)(void);
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void (*const tog_sclk)(void *data);
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void (*const set_sclk)(void *data, rt_int32_t state);
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void (*const set_mosi)(void *data, rt_int32_t state);
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void (*const set_miso)(void *data, rt_int32_t state);
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rt_int32_t (*const get_sclk)(void *data);
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rt_int32_t (*const get_mosi)(void *data);
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rt_int32_t (*const get_miso)(void *data);
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void (*const dir_mosi)(void *data, rt_int32_t state);
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void (*const dir_miso)(void *data, rt_int32_t state);
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void (*const udelay)(rt_uint32_t us);
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rt_uint32_t delay_us; /* sclk, mosi and miso line delay */
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};
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struct rt_spi_bit_obj
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{
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struct rt_spi_bus bus;
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struct rt_spi_bit_ops *ops;
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struct rt_spi_configuration config;
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};
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rt_err_t rt_spi_bit_add_bus(struct rt_spi_bit_obj *obj,
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const char *bus_name,
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struct rt_spi_bit_ops *ops);
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#ifdef __cplusplus
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}
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#endif
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#endif
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