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usb_host: Update docs and comments regarding first configuration enumeration

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This commit updates some comments and documentation regarding changes made in
PR https://github.com/espressif/esp-idf/pull/11113.
This commit is contained in:
Darian Leung
2023-04-17 17:06:54 +08:00
parent 8bebfaa6ee
commit fd2d4a83e2
2 changed files with 2 additions and 2 deletions
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components/usb/hub.c
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@@ -36,7 +36,7 @@ implement the bare minimum to control the root HCD port.
#define ENUM_CTRL_TRANSFER_MAX_DATA_LEN CONFIG_USB_HOST_CONTROL_TRANSFER_MAX_SIZE
#define ENUM_DEV_ADDR 1 //Device address used in enumeration
#define ENUM_CONFIG_INDEX 0 //Index of the first configuration of the device
#define ENUM_CONFIG_INDEX 0 //Index used to get the first configuration descriptor of the device
#define ENUM_SHORT_DESC_REQ_LEN 8 //Number of bytes to request when getting a short descriptor (just enough to get bMaxPacketSize0 or wTotalLength)
#define ENUM_WORST_CASE_MPS_LS 8 //The worst case MPS of EP0 for a LS device
#define ENUM_WORST_CASE_MPS_FS 64 //The worst case MPS of EP0 for a FS device