uni-t-dmm: Do proper detection of packets in the stream.

[libsigrok.git] / hardware / uni-t-dmm / protocol.h

diff --git a/hardware/uni-t-dmm/protocol.h b/hardware/uni-t-dmm/protocol.h
index 73fa75825825498e37ddfe50a604c143109e8256..4c75300017c270e7eb48ef8dd00220ea6ffa2f02 100644 (file)
--- a/hardware/uni-t-dmm/protocol.h
+++ b/hardware/uni-t-dmm/protocol.h
@@ -1,7 +1,7 @@
 /*
  * This file is part of the libsigrok project.
  *
- * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
+ * Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -60,11 +60,9 @@ struct dmm_info {
 
 extern SR_PRIV struct dmm_info udmms[DMM_COUNT];
 
-#define UT_D04_CABLE_USB_VID   0x1a86
-#define UT_D04_CABLE_USB_DID   0xe008
-
 #define CHUNK_SIZE             8
-#define NUM_DATA_BYTES         14
+
+#define DMM_BUFSIZE            256
 
 /** Private, per-device-instance driver context. */
 struct dev_context {
@@ -82,7 +80,11 @@ struct dev_context {
 
        struct sr_usb_dev_inst *usb;
 
-       uint8_t protocol_buf[14];
+       gboolean first_run;
+
+       uint8_t protocol_buf[DMM_BUFSIZE];
+       uint8_t bufoffset;
+       uint8_t buflen;
 };
 
 SR_PRIV int receive_data_UNI_T_UT61D(int fd, int revents, void *cb_data);