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add comments for macros

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This commit is contained in:
sakumisu
2024-05-03 20:34:13 +08:00
parent 0ceb7ef885
commit 102801e45c
1 changed files with 5 additions and 2 deletions
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7
cherryusb_config_template.h
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@@ -145,21 +145,24 @@
#endif
/* This parameter affects usb performance, and depends on (TCP_WND)tcp eceive windows size,
* you can change with 2K,4K,8K,16K,default is 2K to get one TCP_MSS
* you can change to 2K ~ 16K and must be larger than TCP RX windows size in order to avoid being overflow.
*/
#ifndef CONFIG_USBHOST_RNDIS_ETH_MAX_RX_SIZE
#define CONFIG_USBHOST_RNDIS_ETH_MAX_RX_SIZE (2048)
#endif
/* Because lwip do not support multi pbuf at a time, so increasing this variable has no performance improvement */
#ifndef CONFIG_USBHOST_RNDIS_ETH_MAX_TX_SIZE
#define CONFIG_USBHOST_RNDIS_ETH_MAX_TX_SIZE (2048)
#endif
/* This parameter affects usb performance, and depends on (TCP_WND)tcp eceive windows size,
* you can change with 2K,4K,8K,16K,default is 2K to get one TCP_MSS
* you can change to 2K ~ 16K and must be larger than TCP RX windows size in order to avoid being overflow.
*/
#ifndef CONFIG_USBHOST_CDC_NCM_ETH_MAX_RX_SIZE
#define CONFIG_USBHOST_CDC_NCM_ETH_MAX_RX_SIZE (2048)
#endif
/* Because lwip do not support multi pbuf at a time, so increasing this variable has no performance improvement */
#ifndef CONFIG_USBHOST_CDC_NCM_ETH_MAX_TX_SIZE
#define CONFIG_USBHOST_CDC_NCM_ETH_MAX_TX_SIZE (2048)
#endif