I changed the keil USBHID example like http://www.keil.com/forum/21413/lpc1769-usbhid-example/ and I could send 64 bytes about each 1 ms
my changes is a little different
in demo.c and demo.h U8 InReport[64] U8 OutReport[64] demo.c void GetInReport(void) { for(amiri=0;amiri<64;amiri++) { InReport[amiri]=amiri; } } void SetOutReport(void) { for(amiri=0;amiri<64;amiri++) { OutReport[amiri]=InReport[amiri] } } hiduser.c ... GetInReport(); for(amiri2=0;amiri2<64;amiri2++) { EP0Buf[amiri2]=InReport[amiri2]; } break; ... case HID_REPORT_INPUT; for(amiri2=0;amiri2<64;amiri2) { OutReport[amiri2]=EP0Buf[amiri2]; } usbuser.c ... if(USB_Configuration) { GetInReport(); USB_WriteEP(HID_EP_IN, &InReport[64],sizeof(InReport)); } ... void USB_EndPoint1 (U32 event) { ... USB_WriteEP(HID_EP_IN, &InReport[64],sizeof(InReport)); ... }
and I can receive 64 byte (0 to 63) in C# by libusb
which changes needed for bulk transfer and send multiple endpoints??. I want to reach 1Mbyte/s speed, I know it's possible but I don't know which changes is needed ...
I would be so thankful if someone help me
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12 MBit/s gives a maximum, teoretical, transfer rate of about 1.4 MB/s.
But how many processors do actually manage to reach 1MB/s or better?
I just use a LPC1768 and I want to transfer maximum bytes that is possible from ARM to PC... I think It's possible, isn't it?
Using interrupt endpoint on full-speed you can reach 64 bytes * 1000 ms = 64000 bytes per second so, you can reach 1Mbyte/s only by using bulk transfers.
I'm thankfull for your responses... Ok...which changes need for bulk transfer...I don't know...it's my question...