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file size in usb host

rj j

Hello Sir,

I am working on usb host using LPC2468 and i am using usb hostlite source code .I converted this source code compatible for FAT32 system.I am facing a problem when I create a file with extension RTF or DOC and try to write data less than 100kb and open this file on PC every thing is ok but when I write data greater than 100kb and try to open this file on PC there is a message on PC.

An unexpected error occurred while reading filename.

In USB hostlite WRITE_SIZE is given 10 * 1000000

what,s the reason for that?

Thanks & Regards
Rohit

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  • 0 in reply to Chinzei Tsuneo

    Thanks Sir for your kind support

    Sir, I notice that when i use 100 in place of MAX_BUFFER_SIZE which is 4000 in usbhostlite source code problem occur.
    but if i use MAX_BUFFER_SIZE equal to 4000 then there is no problem.

    One thing more i want to confirm why WRITE_SIZE is (10 * 1000000)
    is there is any special reason for that?

    Thanks & Regards
    Rohit

Reply
  • 0 in reply to Chinzei Tsuneo

    Thanks Sir for your kind support

    Sir, I notice that when i use 100 in place of MAX_BUFFER_SIZE which is 4000 in usbhostlite source code problem occur.
    but if i use MAX_BUFFER_SIZE equal to 4000 then there is no problem.

    One thing more i want to confirm why WRITE_SIZE is (10 * 1000000)
    is there is any special reason for that?

    Thanks & Regards
    Rohit

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