feat[SPI]: Add SPI device detach function

This commit is contained in:
wdfk-prog
2025-09-25 10:31:19 +08:00
committed by R b b666
parent da99c507c4
commit 7e5cd48360
4 changed files with 107 additions and 4 deletions

View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2006-2024 RT-Thread Development Team
* Copyright (c) 2006-2025 RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
@@ -349,6 +349,19 @@ rt_err_t rt_spi_bus_attach_device(struct rt_spi_device *device,
const char *bus_name,
void *user_data);
/**
* @brief Detach a device from the SPI bus.
*
* This function serves as the high-level API to detach a SPI device from its bus.
* It unregisters the device from the device framework and ensures all associated
* resources, such as the chip select pin, are properly released by calling
* the underlying implementation.
*
* @param device The SPI device to be detached.
*
* @return rt_err_t The result of the operation. RT_EOK on success, otherwise an error code.
*/
rt_err_t rt_spi_bus_detach_device(struct rt_spi_device *device);
/**
* @brief attach a device on SPI bus with CS pin
@@ -367,6 +380,21 @@ rt_err_t rt_spi_bus_attach_device_cspin(struct rt_spi_device *device,
rt_base_t cs_pin,
void *user_data);
/**
* @brief Detach a device from the SPI bus and release its CS pin.
*
* This function provides the low-level implementation for detaching a device
* from the SPI bus. It specifically handles the operations for the chip select (CS)
* pin, resetting it to input mode to release it. This function is typically
* called by the higher-level rt_spi_bus_detach_device() and should not be
* called directly by the user application.
*
* @param device The SPI device to be detached.
*
* @return rt_err_t The result of the operation. RT_EOK on success, otherwise an error code.
*/
rt_err_t rt_spi_bus_detach_device_cspin(struct rt_spi_device *device);
/**
* @brief Reconfigure the SPI bus for the specified device.
*