X-Git-Url: https://hackdaworld.org/gitweb/?p=rfid%2Flibrfid.git;a=blobdiff_plain;f=gemtag%2Fgemtag.c;fp=gemtag%2Fgemtag.c;h=7a2e8ce5d888771bd770176be57e2eb0a88f66d3;hp=bca97eb916a568699199266f374cf96cbd49d162;hb=59473d0352753f36aefd1cd516617fc91b5046a8;hpb=411df5ce4ca6463f0af32659d397c91554d73271

diff --git a/gemtag/gemtag.c b/gemtag/gemtag.c
index bca97eb..7a2e8ce 100644
--- a/gemtag/gemtag.c
+++ b/gemtag/gemtag.c
@@ -107,7 +107,8 @@ int gemtag_transcieve(struct gemtag_handle *gh,unsigned char cmd,
 	/* usb write */
 	printf("-> ");
 	hexdump(txbuf,size);
-	usb_clear_halt(gh->handle,0x02);
+	if(usb_clear_halt(gh->handle,0x02))
+		perror("clear halt (out)");
 	ret=usb_bulk_write(gh->handle,0x02,txbuf,size,0);
 	if(ret<=0) {
 		perror("usb bulk write");
@@ -115,14 +116,15 @@ int gemtag_transcieve(struct gemtag_handle *gh,unsigned char cmd,
 	}
 
 	/* usb read */
-	usb_clear_halt(gh->handle,0x81);
+	if(usb_clear_halt(gh->handle,0x81))
+		perror("clear halt (in)");
 	ret=usb_bulk_read(gh->handle,0x81,rxbuf,sizeof(rxbuf),0);
 	size=ret;
 	if(ret<=0) {
 		perror("usb bulk read");
 		return ret;
 	}
-	printf("-> ");
+	printf("<- ");
 	hexdump(rxbuf,ret);
 	
 	if(rxhdr->seq!=txhdr->seq)