Method of data access by simulating an external device to be a hard disk drive
First Claim
1. A method of data access by simulating an external device to be a hard disk drive, wherein the external device can perform data exchange directly with a host, the data access method comprising the steps of:
- detecting the external device and requesting for a USB device describer from the external device by a first operation system of the host;
setting up a connection relationship between the host and the external device in accordance with the USB device describer;
sending an operation command from the first operation system of the host to the external device, and performing data operation according to the operation command and sending a completion message back to the host by the second operation system of the external device.
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Accused Products
Abstract
A method of data access by simulating an external device to be a hard disk drive, the method enables an external device to proceed with data exchange directly with a computer. The data access method includes the following steps: firstly, the first operation system of a host detects an external device, and requests for a USB device describer from the external device. Next, the connection relationship between the host and the external device is set up in accordance with the USB device describer. An operation command is sent from the first operation system of the host to the external device, and the second operation system in the external device proceeds with data operation according to the operation command, and sends a completion message back to the host.
16 Citations
10 Claims
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1. A method of data access by simulating an external device to be a hard disk drive, wherein the external device can perform data exchange directly with a host, the data access method comprising the steps of:
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detecting the external device and requesting for a USB device describer from the external device by a first operation system of the host;
setting up a connection relationship between the host and the external device in accordance with the USB device describer;
sending an operation command from the first operation system of the host to the external device, and performing data operation according to the operation command and sending a completion message back to the host by the second operation system of the external device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification