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[fix][usb]return data type as rt_ssize_t

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rt_ssize_t can give negative error code, which follows the unix style correctly
This commit is contained in:
Z8MAN8
2023-10-11 12:01:20 -04:00
committed by Meco Man
parent a8249a28c6
commit 19bfdac891
10 changed files with 42 additions and 32 deletions
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components/drivers/include/drivers/usb_device.h
+4 -3
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@@ -9,6 +9,7 @@
* 2012-12-12 heyuanjie87 change endpoint and function handler
* 2013-04-26 aozima add DEVICEQUALIFIER support.
* 2017-11-15 ZYH fix ep0 transform error
* 2023-10-11 ChuShicheng change rt_size_t to rt_ssize_t
*/
#ifndef __USB_DEVICE_H__
@@ -86,9 +87,9 @@ struct udcd_ops
rt_err_t (*ep_clear_stall)(rt_uint8_t address);
rt_err_t (*ep_enable)(struct uendpoint* ep);
rt_err_t (*ep_disable)(struct uendpoint* ep);
rt_size_t (*ep_read_prepare)(rt_uint8_t address, void *buffer, rt_size_t size);
rt_size_t (*ep_read)(rt_uint8_t address, void *buffer);
rt_size_t (*ep_write)(rt_uint8_t address, void *buffer, rt_size_t size);
rt_ssize_t (*ep_read_prepare)(rt_uint8_t address, void *buffer, rt_size_t size);
rt_ssize_t (*ep_read)(rt_uint8_t address, void *buffer);
rt_ssize_t (*ep_write)(rt_uint8_t address, void *buffer, rt_size_t size);
rt_err_t (*ep0_send_status)(void);
rt_err_t (*suspend)(void);
rt_err_t (*wakeup)(void);