[kernel] update comments
This commit is contained in:
yangjie
parent
5de6996670
commit
464d0c5a97
64
src/device.c
64
src/device.c
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@ -39,13 +39,13 @@
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#endif /* RT_USING_DEVICE_OPS */
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/**
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* @brief This function registers a device driver with specified name.
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* @brief This function registers a device driver with a specified name.
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*
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* @param dev the pointer of device driver structure.
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* @param dev is the pointer of device driver structure.
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*
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* @param name the device driver's name.
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* @param name is the device driver's name.
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*
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* @param flags the capabilities flag of device.
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* @param flags is the capabilities flag of device.
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*
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* @return the error code, RT_EOK on initialization successfully.
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*/
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@ -76,7 +76,7 @@ RTM_EXPORT(rt_device_register);
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/**
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* @brief This function removes a previously registered device driver.
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*
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* @param dev the pointer of device driver structure.
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* @param dev is the pointer of device driver structure.
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*
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* @return the error code, RT_EOK on successfully.
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*/
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@ -95,7 +95,7 @@ RTM_EXPORT(rt_device_unregister);
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/**
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* @brief This function finds a device driver by specified name.
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*
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* @param name the device driver's name.
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* @param name is the device driver's name.
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*
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* @return the registered device driver on successful, or RT_NULL on failure.
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*/
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@ -109,9 +109,9 @@ RTM_EXPORT(rt_device_find);
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/**
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* @brief This function creates a device object with user data size.
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*
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* @param type the kind type of this device object.
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* @param type is the type of the device object.
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*
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* @param attach_size the size of user data.
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* @param attach_size is the size of user data.
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*
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* @return the allocated device object, or RT_NULL when failed.
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*/
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@ -139,7 +139,7 @@ RTM_EXPORT(rt_device_create);
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/**
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* @brief This function destroy the specific device object.
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*
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* @param dev the specific device object.
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* @param dev is a specific device object.
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*/
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void rt_device_destroy(rt_device_t dev)
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{
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@ -158,7 +158,7 @@ RTM_EXPORT(rt_device_destroy);
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/**
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* @brief This function will initialize the specified device.
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*
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* @param dev the pointer of device driver structure.
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* @param dev is the pointer of device driver structure.
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*
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* @return the result, RT_EOK on successfully.
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*/
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@ -192,9 +192,9 @@ rt_err_t rt_device_init(rt_device_t dev)
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/**
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* @brief This function will open a device.
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*
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* @param dev the pointer of device driver structure.
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* @param dev is the pointer of device driver structure.
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*
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* @param oflag the flags for device open.
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* @param oflag is the flags for device open.
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*
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* @return the result, RT_EOK on successfully.
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*/
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@ -259,7 +259,7 @@ RTM_EXPORT(rt_device_open);
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/**
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* @brief This function will close a device.
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*
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* @param dev the pointer of device driver structure.
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* @param dev is the pointer of device driver structure.
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*
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* @return the result, RT_EOK on successfully.
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*/
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@ -295,13 +295,13 @@ RTM_EXPORT(rt_device_close);
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/**
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* @brief This function will read some data from a device.
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*
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* @param dev the pointer of device driver structure.
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* @param dev is the pointer of device driver structure.
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*
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* @param pos the position of reading.
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* @param pos is the position when reading.
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*
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* @param buffer the data buffer to save read data.
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* @param buffer is a data buffer to save the read data.
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*
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* @param size the size of buffer.
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* @param size is the size of buffer.
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*
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* @return the actually read size on successful, otherwise negative returned.
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*
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@ -337,13 +337,13 @@ RTM_EXPORT(rt_device_read);
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/**
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* @brief This function will write some data to a device.
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*
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* @param dev the pointer of device driver structure.
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* @param dev is the pointer of device driver structure.
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*
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* @param pos the position of written.
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* @param pos is the position when writing.
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*
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* @param buffer the data buffer to be written to device.
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* @param buffer is the data buffer to be written to device.
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*
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* @param size the size of buffer.
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* @param size is the size of buffer.
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*
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* @return the actually written size on successful, otherwise negative returned.
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*
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@ -379,11 +379,11 @@ RTM_EXPORT(rt_device_write);
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/**
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* @brief This function will perform a variety of control functions on devices.
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*
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* @param dev the pointer of device driver structure.
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* @param dev is the pointer of device driver structure.
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*
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* @param cmd the command sent to device.
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* @param cmd is the command sent to device.
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*
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* @param arg the argument of command.
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* @param arg is the argument of command.
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*
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* @return the result, -RT_ENOSYS for failed.
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*/
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@ -406,11 +406,11 @@ RTM_EXPORT(rt_device_control);
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* @brief This function will set the reception indication callback function. This callback function
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* is invoked when this device receives data.
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*
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* @param dev the pointer of device driver structure.
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* @param dev is the pointer of device driver structure.
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*
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* @param rx_ind the indication callback function.
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* @param rx_ind is the indication callback function.
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*
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* @return RT_EOK.
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* @return RT_EOK
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*/
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rt_err_t
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rt_device_set_rx_indicate(rt_device_t dev,
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@ -426,14 +426,14 @@ rt_device_set_rx_indicate(rt_device_t dev,
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RTM_EXPORT(rt_device_set_rx_indicate);
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/**
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* @brief This function will set the indication callback function when device has
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* written data to physical hardware.
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* @brief This function will set a callback function. The callback function
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* will be called when device has written data to physical hardware.
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*
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* @param dev the pointer of device driver structure.
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* @param dev is the pointer of device driver structure.
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*
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* @param tx_done the indication callback function.
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* @param tx_done is the indication callback function.
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*
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* @return RT_EOK.
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* @return RT_EOK
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*/
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rt_err_t
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rt_device_set_tx_complete(rt_device_t dev,
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14
src/mem.c
14
src/mem.c
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@ -266,7 +266,7 @@ void rt_system_heap_init(void *begin_addr, void *end_addr)
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*
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* @param size is the minimum size of the requested block in bytes.
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*
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* @return pointer to allocated memory or NULL if no free memory was found.
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* @return the pointer to allocated memory or NULL if no free memory was found.
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*/
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void *rt_malloc(rt_size_t size)
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{
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@ -410,11 +410,11 @@ void *rt_malloc(rt_size_t size)
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RTM_EXPORT(rt_malloc);
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/**
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* @brief This function will change the previously allocated memory block.
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* @brief This function will change the size of previously allocated memory block.
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*
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* @param rmem pointer to memory allocated by rt_malloc.
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* @param rmem is the pointer to memory allocated by rt_malloc.
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*
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* @param newsize the required new size.
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* @param newsize is the required new size.
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*
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* @return the changed memory block address.
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*/
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@ -523,9 +523,9 @@ RTM_EXPORT(rt_realloc);
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*
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* @note The allocated memory is filled with bytes of value zero.
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*
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* @param count number of objects to allocate.
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* @param count is the number of objects to allocate.
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*
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* @param size size of the objects to allocate.
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* @param size is the size of one object to allocate.
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*
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* @return pointer to allocated memory / NULL pointer if there is an error.
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*/
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@ -548,7 +548,7 @@ RTM_EXPORT(rt_calloc);
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* @brief This function will release the previously allocated memory block by
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* rt_malloc. The released memory block is taken back to system heap.
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*
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* @param rmem the address of memory which will be released
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* @param rmem the address of memory which will be released.
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*/
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void rt_free(void *rmem)
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{
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@ -33,7 +33,7 @@ static void (*rt_mp_free_hook)(struct rt_mempool *mp, void *block);
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/**
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* @brief This function will set a hook function, which will be invoked when a memory
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* block is allocated from memory pool.
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* block is allocated from the memory pool.
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*
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* @param hook the hook function
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*/
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@ -44,7 +44,7 @@ void rt_mp_alloc_sethook(void (*hook)(struct rt_mempool *mp, void *block))
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/**
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* @brief This function will set a hook function, which will be invoked when a memory
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* block is released to memory pool.
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* block is released to the memory pool.
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*
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* @param hook the hook function
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*/
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@ -66,15 +66,15 @@ void rt_mp_free_sethook(void (*hook)(struct rt_mempool *mp, void *block))
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* @brief This function will initialize a memory pool object, normally which is used
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* for static object.
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*
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* @param mp the memory pool object
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* @param mp is the memory pool object.
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*
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* @param name the name of memory pool
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* @param name is the name of the memory pool.
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*
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* @param start the star address of memory pool
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* @param start is the start address of the memory pool.
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*
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* @param size the total size of memory pool
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* @param size is the total size of the memory pool.
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*
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* @param block_size the size for each block
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* @param block_size is the size for each block..
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*
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* @return RT_EOK
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*/
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@ -131,7 +131,7 @@ RTM_EXPORT(rt_mp_init);
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/**
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* @brief This function will detach a memory pool from system object management.
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*
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* @param mp the memory pool object.
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* @param mp is the memory pool object.
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*
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* @return RT_EOK
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*/
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@ -179,11 +179,11 @@ RTM_EXPORT(rt_mp_detach);
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* @brief This function will create a mempool object and allocate the memory pool from
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* heap.
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*
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* @param name the name of memory pool
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* @param name is the name of memory pool.
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*
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* @param block_count the count of blocks in memory pool
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* @param block_count is the count of blocks in memory pool.
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*
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* @param block_size the size for each block
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* @param block_size is the size for each block.
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*
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* @return the created mempool object
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*/
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@ -249,7 +249,7 @@ RTM_EXPORT(rt_mp_create);
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/**
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* @brief This function will delete a memory pool and release the object memory.
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*
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* @param mp the memory pool object.
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* @param mp is the memory pool object.
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*
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* @return RT_EOK
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*/
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@ -301,9 +301,10 @@ RTM_EXPORT(rt_mp_delete);
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/**
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* @brief This function will allocate a block from memory pool.
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*
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* @param mp the memory pool object.
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* @param mp is the memory pool object.
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*
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* @param time the waiting time.
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* @param time is the maximum waiting time for allocating memory.
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* - 0 for not waiting, allocating memory immediately.
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*
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* @return the allocated memory block or RT_NULL on allocated failed.
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*/
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@ -399,9 +400,9 @@ void *rt_mp_alloc(rt_mp_t mp, rt_int32_t time)
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RTM_EXPORT(rt_mp_alloc);
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/**
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* @brief This function will release a memory block
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* @brief This function will release a memory block.
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*
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* @param block the address of memory block to be released
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* @param block the address of memory block to be released.
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*/
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void rt_mp_free(void *block)
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{
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40
src/object.c
40
src/object.c
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@ -123,7 +123,7 @@ void (*rt_object_put_hook)(struct rt_object *object);
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* @brief This function will set a hook function, which will be invoked when object
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* attaches to kernel object system.
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*
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* @param hook the hook function.
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* @param hook is the hook function.
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*/
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void rt_object_attach_sethook(void (*hook)(struct rt_object *object))
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{
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@ -134,7 +134,7 @@ void rt_object_attach_sethook(void (*hook)(struct rt_object *object))
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* @brief This function will set a hook function, which will be invoked when object
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* detaches from kernel object system.
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*
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* @param hook the hook function
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* @param hook is the hook function
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*/
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void rt_object_detach_sethook(void (*hook)(struct rt_object *object))
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{
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@ -152,7 +152,7 @@ void rt_object_detach_sethook(void (*hook)(struct rt_object *object))
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* mailbox - mail is received by thread
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* message queue - message is received by thread
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*
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* @param hook the hook function.
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* @param hook is the hook function.
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*/
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void rt_object_trytake_sethook(void (*hook)(struct rt_object *object))
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{
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@ -182,7 +182,7 @@ void rt_object_take_sethook(void (*hook)(struct rt_object *object))
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* @brief This function will set a hook function, which will be invoked when object
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* is put to kernel object system.
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*
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* @param hook the hook function
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* @param hook is the hook function
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*/
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void rt_object_put_sethook(void (*hook)(struct rt_object *object))
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{
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@ -201,7 +201,7 @@ void rt_object_put_sethook(void (*hook)(struct rt_object *object))
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/**
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* @brief This function will return the specified type of object information.
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*
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* @param type the type of object, which can be
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* @param type is the type of object, which can be
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* RT_Object_Class_Thread/Semaphore/Mutex... etc
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*
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* @return the object type information or RT_NULL
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@ -221,7 +221,7 @@ RTM_EXPORT(rt_object_get_information);
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/**
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* @brief This function will return the length of object list in object container.
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*
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* @param type the type of object, which can be
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* @param type is the type of object, which can be
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* RT_Object_Class_Thread/Semaphore/Mutex... etc
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*
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* @return the length of object list
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@ -252,14 +252,14 @@ RTM_EXPORT(rt_object_get_length);
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* @brief This function will copy the object pointer of the specified type,
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* with the maximum size specified by maxlen.
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*
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* @param type the type of object, which can be
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* @param type is the type of object, which can be
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* RT_Object_Class_Thread/Semaphore/Mutex... etc
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*
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* @param pointers the pointers will be saved to
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* @param pointers is the pointer will be saved to.
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*
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* @param maxlen the maximum number of pointers can be saved
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* @param maxlen is the maximum number of pointers can be saved.
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*
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* @return the copied number of object pointers
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* @return the copied number of object pointers.
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*/
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int rt_object_get_pointers(enum rt_object_class_type type, rt_object_t *pointers, int maxlen)
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{
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@ -296,11 +296,11 @@ RTM_EXPORT(rt_object_get_pointers);
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* @brief This function will initialize an object and add it to object system
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* management.
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*
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* @param object the specified object to be initialized.
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* @param object is the specified object to be initialized.
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*
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* @param type the object type.
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* @param type is the object type.
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*
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* @param name the object name. In system, the object's name must be unique.
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* @param name is the object name. In system, the object's name must be unique.
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*/
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void rt_object_init(struct rt_object *object,
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enum rt_object_class_type type,
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@ -397,9 +397,9 @@ void rt_object_detach(rt_object_t object)
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/**
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* @brief This function will allocate an object from object system.
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*
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* @param type the type of object
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* @param type is the type of object.
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*
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* @param name the object name. In system, the object's name must be unique.
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* @param name is the object name. In system, the object's name must be unique.
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*
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* @return object
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*/
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@ -467,7 +467,7 @@ rt_object_t rt_object_allocate(enum rt_object_class_type type, const char *name)
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/**
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* @brief This function will delete an object and release object memory.
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*
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* @param object the specified object to be deleted.
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* @param object is the specified object to be deleted.
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*/
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void rt_object_delete(rt_object_t object)
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{
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@ -502,7 +502,7 @@ void rt_object_delete(rt_object_t object)
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* @note Normally, the system object is a static object and the type
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* of object set to RT_Object_Class_Static.
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*
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* @param object the specified object to be judged.
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* @param object is the specified object to be judged.
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*
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* @return RT_TRUE if a system object, RT_FALSE for others.
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*/
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@ -521,7 +521,7 @@ rt_bool_t rt_object_is_systemobject(rt_object_t object)
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* @brief This function will return the type of object without
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* RT_Object_Class_Static flag.
|
||||
*
|
||||
* @param object the specified object to be get type.
|
||||
* @param object is the specified object to be get type.
|
||||
*
|
||||
* @return the type of object.
|
||||
*/
|
||||
|
|
@ -537,9 +537,9 @@ rt_uint8_t rt_object_get_type(rt_object_t object)
|
|||
* @brief This function will find specified name object from object
|
||||
* container.
|
||||
*
|
||||
* @param name the specified name of object.
|
||||
* @param name is the specified name of object.
|
||||
*
|
||||
* @param type the type of object
|
||||
* @param type is the type of object
|
||||
*
|
||||
* @return the found object or RT_NULL if there is no this object
|
||||
* in object container.
|
||||
|
|
|
|||
|
|
@ -61,7 +61,7 @@ static void (*rt_scheduler_switch_hook)(struct rt_thread *tid);
|
|||
* @brief This function will set a hook function, which will be invoked when thread
|
||||
* switch happens.
|
||||
*
|
||||
* @param hook the hook function.
|
||||
* @param hook is the hook function.
|
||||
*/
|
||||
void rt_scheduler_sethook(void (*hook)(struct rt_thread *from, struct rt_thread *to))
|
||||
{
|
||||
|
|
@ -72,7 +72,7 @@ void rt_scheduler_sethook(void (*hook)(struct rt_thread *from, struct rt_thread
|
|||
* @brief This function will set a hook function, which will be invoked when context
|
||||
* switch happens.
|
||||
*
|
||||
* @param hook the hook function.
|
||||
* @param hook is the hook function.
|
||||
*/
|
||||
void rt_scheduler_switch_sethook(void (*hook)(struct rt_thread *tid))
|
||||
{
|
||||
|
|
@ -235,8 +235,7 @@ void rt_system_scheduler_init(void)
|
|||
}
|
||||
|
||||
/**
|
||||
* @ingroup SystemInit
|
||||
* This function will startup scheduler. It will select one thread
|
||||
* @brief This function will startup the scheduler. It will select one thread
|
||||
* with the highest priority level, then switch to it.
|
||||
*/
|
||||
void rt_system_scheduler_start(void)
|
||||
|
|
@ -276,9 +275,9 @@ void rt_system_scheduler_start(void)
|
|||
/**
|
||||
* @brief This function will handle IPI interrupt and do a scheduling in system.
|
||||
*
|
||||
* @param vector the number of IPI interrupt for system scheduling.
|
||||
* @param vector is the number of IPI interrupt for system scheduling.
|
||||
*
|
||||
* @param param use RT_NULL.
|
||||
* @param param is not used, and can be set to RT_NULL.
|
||||
*
|
||||
* @note this function should be invoke or register as ISR in BSP.
|
||||
*/
|
||||
|
|
@ -411,8 +410,8 @@ __exit:
|
|||
}
|
||||
#else
|
||||
/**
|
||||
* @brief This function will perform one schedule. It will select one thread
|
||||
* with the highest priority level, and switch to it immediately.
|
||||
* @brief This function will perform scheduling once. It will select one thread
|
||||
* with the highest priority, and switch to it immediately.
|
||||
*/
|
||||
void rt_schedule(void)
|
||||
{
|
||||
|
|
@ -540,7 +539,7 @@ __exit:
|
|||
#endif /* RT_USING_SMP */
|
||||
|
||||
/**
|
||||
* @brief This function checks if a scheduling is needed after IRQ context. If yes,
|
||||
* @brief This function checks whether a scheduling is needed after an IRQ context switching. If yes,
|
||||
* it will select one thread with the highest priority level, and then switch
|
||||
* to it.
|
||||
*/
|
||||
|
|
@ -636,10 +635,10 @@ void rt_scheduler_do_irq_switch(void *context)
|
|||
#endif /* RT_USING_SMP */
|
||||
|
||||
/**
|
||||
* @brief This function will insert a thread to system ready queue. The state of
|
||||
* thread will be set as READY and remove from suspend queue.
|
||||
* @brief This function will insert a thread to the system ready queue. The state of
|
||||
* thread will be set as READY and the thread will be removed from suspend queue.
|
||||
*
|
||||
* @param thread the thread to be inserted
|
||||
* @param thread is the thread to be inserted.
|
||||
*
|
||||
* @note Please do not invoke this function in user application.
|
||||
*/
|
||||
|
|
@ -746,10 +745,10 @@ __exit:
|
|||
}
|
||||
#endif /* RT_USING_SMP */
|
||||
|
||||
/*
|
||||
* This function will remove a thread from system ready queue.
|
||||
/**
|
||||
* @brief This function will remove a thread from system ready queue.
|
||||
*
|
||||
* @param thread the thread to be removed
|
||||
* @param thread is the thread to be removed.
|
||||
*
|
||||
* @note Please do not invoke this function in user application.
|
||||
*/
|
||||
|
|
|
|||
16
src/slab.c
16
src/slab.c
|
|
@ -277,9 +277,9 @@ void *rt_page_alloc(rt_size_t npages)
|
|||
/**
|
||||
* @brief Free memory by page.
|
||||
*
|
||||
* @param addr the head address of first page.
|
||||
* @param addr is the head address of first page.
|
||||
*
|
||||
* @param npages the number of pages.
|
||||
* @param npages is the number of pages.
|
||||
*/
|
||||
void rt_page_free(void *addr, rt_size_t npages)
|
||||
{
|
||||
|
|
@ -482,7 +482,7 @@ rt_inline int zoneindex(rt_size_t *bytes)
|
|||
* - the nbytes is less than zero.
|
||||
* - there is no nbytes sized memory valid in system.
|
||||
*
|
||||
* @param size the size of memory to be allocated.
|
||||
* @param size is the size of memory to be allocated.
|
||||
*
|
||||
* @return the allocated memory.
|
||||
*/
|
||||
|
|
@ -681,9 +681,9 @@ RTM_EXPORT(rt_malloc);
|
|||
/**
|
||||
* @brief This function will change the size of previously allocated memory block.
|
||||
*
|
||||
* @param ptr the previously allocated memory block.
|
||||
* @param ptr is the previously allocated memory block.
|
||||
*
|
||||
* @param size the new size of memory block.
|
||||
* @param size is the new size of memory block.
|
||||
*
|
||||
* @return the allocated memory.
|
||||
*/
|
||||
|
|
@ -754,9 +754,9 @@ RTM_EXPORT(rt_realloc);
|
|||
*
|
||||
* @note The allocated memory is filled with bytes of value zero.
|
||||
*
|
||||
* @param count number of objects to allocate.
|
||||
* @param count is the number of objects to allocate.
|
||||
*
|
||||
* @param size size of the objects to allocate.
|
||||
* @param size is the size of the objects to allocate.
|
||||
*
|
||||
* @return pointer to allocated memory / NULL pointer if there is an error.
|
||||
*/
|
||||
|
|
@ -780,7 +780,7 @@ RTM_EXPORT(rt_calloc);
|
|||
*
|
||||
* @note The released memory block is taken back to system heap.
|
||||
*
|
||||
* @param ptr the address of memory which will be released
|
||||
* @param ptr is the address of memory which will be released
|
||||
*/
|
||||
void rt_free(void *ptr)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue