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add aynsc transfer function

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This commit is contained in:
sakumisu
2022-04-08 14:26:44 +08:00
parent 479a9863fe
commit e71fb773ed
1 changed files with 31 additions and 6 deletions
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37
common/usb_dc.h
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@@ -97,15 +97,15 @@ int usb_dc_detach(void);
*/
int usbd_set_address(const uint8_t addr);
/*
* @brief configure and enable endpoint
/**
* @brief configure and enable endpoint.
*
* This function sets endpoint configuration according to one specified in USB
* This function sets endpoint configuration according to one specified in USB.
* endpoint descriptor and then enables it for data transfers.
*
* @param [in] ep_desc Endpoint descriptor byte array
* @param [in] ep_desc Endpoint descriptor byte array.
*
* @return true if successfully configured and enabled
* @return true if successfully configured and enabled.
*/
int usbd_ep_open(const struct usbd_endpoint_cfg *ep_cfg);
@@ -155,7 +155,7 @@ int usbd_ep_clear_stall(const uint8_t ep);
int usbd_ep_is_stalled(const uint8_t ep, uint8_t *stalled);
/**
* @brief Write data to the specified endpoint
* @brief Write data to the specified endpoint with poll mode.
*
* This function is called to write data to the specified endpoint. The
* supplied usbd_endpoint_callback function will be called when data is transmitted
@@ -195,6 +195,31 @@ int usbd_ep_write(const uint8_t ep, const uint8_t *data, uint32_t data_len, uint
*/
int usbd_ep_read(const uint8_t ep, uint8_t *data, uint32_t max_data_len, uint32_t *read_bytes);
/**
* @brief Write data to the specified endpoint with async mode.
*
* @param[in] ep Endpoint address corresponding to the one
* listed in the device configuration table
* @param[in] data Pointer to data to write
* @param[in] data_len Length of the data requested to write. This may
* be zero for a zero length status packet.
*
* @return 0 on success, negative errno code on fail.
*/
int usbd_ep_write_async(const uint8_t ep, const uint8_t *data, uint32_t data_len);
/**
* @brief Read data from the specified endpoint with async mode.
*
* @param[in] ep Endpoint address corresponding to the one
* listed in the device configuration table
* @param[in] data Pointer to data buffer to write to
* @param[in] data_len Max length of data to read
*
* @return 0 on success, negative errno code on fail.
*/
int usbd_ep_read_async(const uint8_t ep, uint8_t *data, uint32_t data_len);
/**
* @}
*/