formatted output

cmdline/read-temp.c

@@ -82,8 +82,8 @@ int                 cnt, vid, pid;
 		}
 		rxValue = ((int)buffer[1] & 0xff) | (((int)buffer[0] & 0xff) << 8);
 		rxIndex = ((int)buffer[3] & 0xff) | (((int)buffer[2] & 0xff) << 8);
-		fprintf(stderr, "%3d.%02d*C ", rxValue/100, rxValue%100);
-		fprintf(stderr, "%3d.%02d*C \n", rxIndex/100, rxIndex%100);
+		fprintf(stdout, "0: %3d.%02d*C \n", rxValue/100, rxValue%100);
+		fprintf(stdout, "1: %3d.%02d*C \n", rxIndex/100, rxIndex%100);
 		
 		cnt = usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN, 101, value, index, buffer, sizeof(buffer), 5000);
 		if(cnt < 0){
@@ -91,8 +91,8 @@ int                 cnt, vid, pid;
 		}
 		rxValue = ((int)buffer[1] & 0xff) | (((int)buffer[0] & 0xff) << 8);
 		rxIndex = ((int)buffer[3] & 0xff) | (((int)buffer[2] & 0xff) << 8);
-		fprintf(stderr, "%3d.%02d*C ", rxValue/100, rxValue%100);
-		fprintf(stderr, "%3d.%02d*C \n", rxIndex/100, rxIndex%100);
+		fprintf(stdout, "2: %3d.%02d*C \n", rxValue/100, rxValue%100);
+		fprintf(stdout, "3: %3d.%02d*C \n", rxIndex/100, rxIndex%100);
     } else if(strcasecmp(argv[1], "spi") == 0) {
 		if(argc != 5) {
 			usage();