X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=hardware%2Funi-t-dmm%2Fprotocol.h;h=a367336abae6bb2c7f31724df541aaec37e33ed4;hb=2451a20ff5137d178ed4a02ee04076c6eae97235;hp=389df3fa5af80621acfbf7f4cadc92759101306e;hpb=50985c2019b2b5a6ce394589d89ee925b4f5e3a9;p=libsigrok.git

diff --git a/hardware/uni-t-dmm/protocol.h b/hardware/uni-t-dmm/protocol.h
index 389df3fa..a367336a 100644
--- 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
@@ -36,16 +36,35 @@
 #define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
 #define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
 
+/* Note: When adding entries here, don't forget to update DMM_COUNT. */
 enum {
 	UNI_T_UT61D,
+	UNI_T_UT61E,
 	VOLTCRAFT_VC820,
+	VOLTCRAFT_VC840,
 };
 
-#define UT_D04_CABLE_USB_VID	0x1a86
-#define UT_D04_CABLE_USB_DID	0xe008
+#define DMM_COUNT 4
+
+struct dmm_info {
+	char *vendor;
+	char *device;
+	uint32_t baudrate;
+	int packet_size;
+	int (*packet_request)(struct sr_serial_dev_inst *);
+	gboolean (*packet_valid)(const uint8_t *);
+	int (*packet_parse)(const uint8_t *, float *,
+			    struct sr_datafeed_analog *, void *);
+	void (*dmm_details)(struct sr_datafeed_analog *, void *);
+	struct sr_dev_driver *di;
+	int (*receive_data)(int, int, void *);
+};
+
+extern SR_PRIV struct dmm_info udmms[DMM_COUNT];
 
 #define CHUNK_SIZE		8
-#define NUM_DATA_BYTES		14
+
+#define DMM_BUFSIZE		256
 
 /** Private, per-device-instance driver context. */
 struct dev_context {
@@ -61,12 +80,16 @@ struct dev_context {
 	/** The current number of already received samples. */
 	uint64_t num_samples;
 
-	struct sr_usb_dev_inst *usb;
+	gboolean first_run;
 
-	uint8_t protocol_buf[14];
+	uint8_t protocol_buf[DMM_BUFSIZE];
+	uint8_t bufoffset;
+	uint8_t buflen;
 };
 
-SR_PRIV int uni_t_ut61d_receive_data(int fd, int revents, void *cb_data);
-SR_PRIV int voltcraft_vc820_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV int receive_data_UNI_T_UT61D(int fd, int revents, void *cb_data);
+SR_PRIV int receive_data_UNI_T_UT61E(int fd, int revents, void *cb_data);
+SR_PRIV int receive_data_VOLTCRAFT_VC820(int fd, int revents, void *cb_data);
+SR_PRIV int receive_data_VOLTCRAFT_VC840(int fd, int revents, void *cb_data);
 
 #endif