USB device communication method, device and system wherein a human interface device (HID) descriptor and report are added to a driver of USB device

A universal serial bus (USB) device communication method, comprising:

• sending a device type query message to the USB device, wherein a human interface device (HID) descriptor and a HID report descriptor are added to a driver of the USB device;
• receiving a query response message that carries a HID identifier and is sent by the USB device, and identifying the USB device as a HID device according to the HID identifier;
• and
• receiving a HID packet from the USB device, and decapsulating and decoding the received HID packet, or encoding and encapsulating data to be sent to generate the HID packet, and sending the HID packet to the USB device, wherein the HID packet carries a data type and data usage manner information.

A universal serial bus (USB) device, comprising:

• a first radio frequency module configured to receive a device type query message sent by a peer device;
• and
• a first processor module connected to the first radio frequency module,
• wherein a human interface device (HID) descriptor and a HID report descriptor are added to a driver of the USB device, wherein the HID descriptor comprises at least one descriptor type and a HID version indicator,
• wherein the first radio frequency module is also configured to send a HID packet to the peer device or receive the HID packet from the peer device,
• wherein the HID packet carries a data type and data usage manner information,
• wherein the first processor module is configured to generate, according to the HID descriptor and HID report descriptor, a query response message that carries a HID identifier, and send the query response message to the first radio frequency module,
• wherein the HID identifier is used to enable the peer device to identify the USB device as a HID device, and
• wherein the first processor module is configured to encode and encapsulate data to be sent to generate the HID packet, and send the HID packet to the first radio frequency module, or decapsulate and decode the HID packet received by the first radio frequency module.

An On-The-Go (OTG) device, comprising:

• a radio frequency module configured to send a device type query message to a universal serial bus (USB) device;
• and
• a processor module connected to the radio frequency module,
• wherein a human interface device (HID) descriptor and a HID report descriptor are added to a driver of the USB device, wherein the HID descriptor comprises at least one descriptor type and a HID version indicator,
• wherein the radio frequency module is further configured to receive a HID packet from the USB device or send the HID packet to the USB device,
• wherein the HID packet carries a data type and data usage manner information,
• wherein the processor module is configured to receive a query response message that carries a HID identifier and is sent by the USB device, and identify the USB device as a HID device according to the HID identifier, and
• wherein the processor module is configured to decapsulate and decode the HID packet received by the radio frequency module, or encode and encapsulate data to be sent to generate the HID packet, and send the HID packet to the radio frequency module.

A universal serial bus (USB) device communications system, comprising:

• a USB device comprising at least a first radio frequency module and a first processor module, wherein the first radio frequency module is connected to the first processor module;
• and
• an On-The-Go (OTG) device,
• wherein the first radio frequency module is configured to receive a device type query message sent by a peer device,
• wherein a human interface device (HID) descriptor and a HID report descriptor are added to a driver of the USB device, wherein the HID descriptor comprises at least one descriptor type and a HID version indicator,
• wherein the first radio frequency module is also configured to send a HID packet to the peer device or receive the HID packet from the peer device,
• wherein the HID packet carries a data type and data usage manner information,
• wherein the first processor module is configured to generate, according to the HID descriptor and HID report descriptor, a query response message that carries a HID identifier, and send the query response message to the first radio frequency module,
• wherein the HID identifier is used to enable the peer device to identify the USB device as a HID device,
• wherein the first processor module is configured to encode and encapsulate data to be sent to generate the HID packet, and send the HID packet to the first radio frequency module, or decapsulate and decode the HID packet received by the first radio frequency module,
• wherein the OTG device comprises at least a second radio frequency module and a second processor module,
• wherein the second radio frequency module is connected to the second processor module,
• wherein the second radio frequency module is configured to send a device type query message to the USB device,
• wherein a HID descriptor and a HID report descriptor are added to a driver of the USB device,
• wherein the second radio frequency module is further configured to receive the HID packet from the USB device or send the HID packet to the USB device,
• wherein the HID packet carries a data type and data usage manner information,
• wherein the second processor module is configured to receive a query response message that carries a HID identifier and is sent by the USB device, and identify the USB device as a HID device according to the HID identifier, and
• wherein the second processor module is configured to decapsulate and decode the HID packet received by the second radio frequency module, or encode and encapsulate data to be sent to generate the HID packet, and send the HID packet to the second radio frequency module.