Difference between revisions of "Capmtp services"

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This implements the MTP PTP [https://www.usb.org/document-library/media-transfer-protocol-v11-spec-and-mtp-v11-adopters-agreement protocol].
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This implements the MTP PTP [https://www.usb.org/document-library/media-transfer-protocol-v11-spec-and-mtp-v11-adopters-agreement protocol]. This was added with [[11.0.0]].
  
 
= capmtp =
 
= capmtp =

Revision as of 18:30, 7 December 2020

This implements the MTP PTP protocol. This was added with 11.0.0.

capmtp

This is "nn::capmtp::ICapmtpRootSession".

Cmd Name Notes
0 No input. Returns a session of #ICapmtpInterface

ICapmtpInterface

This is "nn::capmtp::ICapmtpInterface".

Cmd Name Notes
0 Takes a u32 max folder count, a u32 max image count, a u32 max video count, a transfer memory handle + u32 size and a type-0x5 buffer translated "Other" utf-16 string.
1 No input or output. Unmaps transfer memory from Cmd0, stops "nn.capmtp.CapmtpCommandLoop".
2 No input or output. Starts MTP command handler thread "nn.capmtp.CapmtpCommandLoop".
3 No input or output. Stops "nn.capmtp.CapmtpCommandLoop".
4 No input. Returns true if "nn.capmtp.CapmtpCommandLoop" is running.
5 No input. Returns readable event handle. Signaled when the USB connection status changes.
6 No input. Returns true if a USB connection is established.
7 No input. Returns readable event handle. Signaled when an error occurred during album scan.
8 No input or output. Returns the album scan Result.

Notes

Only PTP operations 0x1001-0x100A are available. OpenSession/CloseSession only allow a maximum of 1 session to be opened.

While this has access to fsp-srv it remains unused. Images and Videos are loaded with caps:a.

Program names are loaded with ns using the transfer memory from Cmd0.