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Added delay at the end of usbds_test(). Only send 1-byte in datapayload for the second msg. Minor adjustment. Removed invalid comment.

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yellows8 2017-10-10 19:08:34 -04:00
parent 7f7564bff4
commit a23a01c7bd
1 changed files with 6 additions and 4 deletions
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10
usb/usbds/source/main.c
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@ -6,7 +6,6 @@
//Example for usbds, see libnx usb.h. Switch-as-device<>host USB comms. //Example for usbds, see libnx usb.h. Switch-as-device<>host USB comms.
//Linux detects this as a serial device. //Linux detects this as a serial device.
//Data transfer over USB works fine with this, however data isn't returned by "/dev/{device}" (depending on what is used for reading it) due to the header(?) from the device->host transfer not being valid.
Result usbds_test(u8 *tmpbuf) Result usbds_test(u8 *tmpbuf)
{ {
@ -59,11 +58,12 @@ Result usbds_test(u8 *tmpbuf)
if(R_FAILED(ret))return ret; if(R_FAILED(ret))return ret;
memset(tmpbuf, 0, 0x1000); memset(tmpbuf, 0, 0x1000);
tmpbuf[0] = 0x11;
tmpbuf[1] = 0x1;
char *strptr = "Hello World!\n"; char *strptr = "Hello World!\n";
strncpy((char*)&tmpbuf[2], strptr, 0x1000-2); strncpy((char*)&tmpbuf[2], strptr, 0x1000-2);
tmpbuf[0] = 0x11;
tmpbuf[1] = 0x1;
//Start a device->host transfer. //Start a device->host transfer.
ret = usbDsEndpoint_PostBufferAsync(endpoint_in, tmpbuf, 2+strlen(strptr), NULL); ret = usbDsEndpoint_PostBufferAsync(endpoint_in, tmpbuf, 2+strlen(strptr), NULL);
if(R_FAILED(ret))return ret; if(R_FAILED(ret))return ret;
@ -85,13 +85,15 @@ Result usbds_test(u8 *tmpbuf)
memcpy(&tmpbuf[2], &tmpbuf[0x400], 0x200-2); memcpy(&tmpbuf[2], &tmpbuf[0x400], 0x200-2);
//Start a device->host transfer. //Start a device->host transfer.
ret = usbDsEndpoint_PostBufferAsync(endpoint_in, tmpbuf, 0x200, NULL); ret = usbDsEndpoint_PostBufferAsync(endpoint_in, tmpbuf, 0x2+1, NULL);
if(R_FAILED(ret))return ret; if(R_FAILED(ret))return ret;
//Wait for the transfer to finish. //Wait for the transfer to finish.
svcWaitSynchronization(&tmpindex, &endpoint_in->CompletionEvent, 1, U64_MAX); svcWaitSynchronization(&tmpindex, &endpoint_in->CompletionEvent, 1, U64_MAX);
svcClearEvent(endpoint_in->CompletionEvent); svcClearEvent(endpoint_in->CompletionEvent);
svcSleepThread(5000000000);//Delay 5s
return 0; return 0;
} }