Method for increasing reading speed of USB slave device
A technology of reading speed and equipment, which is applied in the field of data processing, can solve problems such as cost increase and data loss, and achieve the effect of increasing transmission speed and improving data transmission efficiency
Active Publication Date: 2018-02-16
HUNAN GOKE MICROELECTRONICS
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The invention relates to a method for increasing a reading speed of a USB slave device. The method is applied to a system comprising a USB master device and the USB slave device. The method comprisesthe steps of 1, judging whether the USB slave device is connected with the USB master device or not; 2, binding an end point with a memory matched with the end point by the USB slave device; 3, receiving data sent by the USB master device through the USB slave device, and storing the data in the memory bound with the end point; and 4, unbinding the memory from the end point by the USB slave device, and if data transmission is not finished, executing the step 1 again. By dividing an available memory of the USB slave device into multiple memory blocks and performing filling respectively, serialtransmission is changed to parallel transmission, so that the data sent by the USB master device can be quickly read and a second end point command is sent to a register in the same time; and the method can remarkably increase the data transmission speed.
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