Function nfcSendTagCommand

libctru/source/services/nfc.c:475–507

}

Result nfcSendTagCommand(const void *inbuf, size_t insize, void *outbuf, size_t outsize, size_t *actual_transfer_size, u64 microseconds)
{
	u32* cmdbuf=getThreadCommandBuffer();
	u32 saved_threadstorage[2];

	cmdbuf[0]=IPC_MakeHeader(0x20,4,2); // 0x200102
	cmdbuf[1]=insize;
	cmdbuf[2]=outsize;
	cmdbuf[3]=(u32)(microseconds);
	cmdbuf[4]=(u32)(microseconds>>32);
	cmdbuf[5]=IPC_Desc_StaticBuffer(insize,0);
	cmdbuf[6]=(u32)inbuf;

	u32 * staticbufs = getThreadStaticBuffers();
	saved_threadstorage[0] = staticbufs[0];
	saved_threadstorage[1] = staticbufs[1];

	staticbufs[0] = IPC_Desc_StaticBuffer(outsize,0);
	staticbufs[1] = (u32)outbuf;

	Result ret=0;
	ret=svcSendSyncRequest(nfcHandle);

	staticbufs[0] = saved_threadstorage[0];
	staticbufs[1] = saved_threadstorage[1];

	if(R_FAILED(ret))return ret;

	ret = cmdbuf[1];
	if(actual_transfer_size)*actual_transfer_size = cmdbuf[2];

	return ret;
}

Result nfcCmd21(void)
{