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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef LIBSIGROK_HARDWARE_UNI_T_DMM_PROTOCOL_H | |
22 | #define LIBSIGROK_HARDWARE_UNI_T_DMM_PROTOCOL_H | |
23 | ||
24 | #include <stdint.h> | |
25 | #include <glib.h> | |
26 | #include <libusb.h> | |
27 | #include "libsigrok.h" | |
28 | #include "libsigrok-internal.h" | |
29 | ||
30 | #define LOG_PREFIX "uni-t-dmm" | |
31 | ||
32 | enum { | |
33 | TECPEL_DMM_8061, | |
34 | UNI_T_UT60A, | |
35 | UNI_T_UT60E, | |
36 | UNI_T_UT60G, | |
37 | UNI_T_UT61B, | |
38 | UNI_T_UT61C, | |
39 | UNI_T_UT61D, | |
40 | UNI_T_UT61E, | |
41 | VOLTCRAFT_VC820, | |
42 | VOLTCRAFT_VC830, | |
43 | VOLTCRAFT_VC840, | |
44 | TENMA_72_7745, | |
45 | TENMA_72_7750, | |
46 | }; | |
47 | ||
48 | struct dmm_info { | |
49 | char *vendor; | |
50 | char *device; | |
51 | uint32_t baudrate; | |
52 | int packet_size; | |
53 | gboolean (*packet_valid)(const uint8_t *); | |
54 | int (*packet_parse)(const uint8_t *, float *, | |
55 | struct sr_datafeed_analog *, void *); | |
56 | void (*dmm_details)(struct sr_datafeed_analog *, void *); | |
57 | struct sr_dev_driver *di; | |
58 | int (*receive_data)(int, int, void *); | |
59 | }; | |
60 | ||
61 | #define CHUNK_SIZE 8 | |
62 | ||
63 | #define DMM_BUFSIZE 256 | |
64 | ||
65 | /** Private, per-device-instance driver context. */ | |
66 | struct dev_context { | |
67 | /** The current sampling limit (in number of samples). */ | |
68 | uint64_t limit_samples; | |
69 | ||
70 | /** The current sampling limit (in ms). */ | |
71 | uint64_t limit_msec; | |
72 | ||
73 | /** Opaque pointer passed in by the frontend. */ | |
74 | void *cb_data; | |
75 | ||
76 | /** The current number of already received samples. */ | |
77 | uint64_t num_samples; | |
78 | ||
79 | int64_t starttime; | |
80 | ||
81 | gboolean first_run; | |
82 | ||
83 | uint8_t protocol_buf[DMM_BUFSIZE]; | |
84 | uint8_t bufoffset; | |
85 | uint8_t buflen; | |
86 | }; | |
87 | ||
88 | SR_PRIV int receive_data_TECPEL_DMM_8061(int fd, int revents, void *cb_data); | |
89 | SR_PRIV int receive_data_UNI_T_UT60A(int fd, int revents, void *cb_data); | |
90 | SR_PRIV int receive_data_UNI_T_UT60E(int fd, int revents, void *cb_data); | |
91 | SR_PRIV int receive_data_UNI_T_UT60G(int fd, int revents, void *cb_data); | |
92 | SR_PRIV int receive_data_UNI_T_UT61B(int fd, int revents, void *cb_data); | |
93 | SR_PRIV int receive_data_UNI_T_UT61C(int fd, int revents, void *cb_data); | |
94 | SR_PRIV int receive_data_UNI_T_UT61D(int fd, int revents, void *cb_data); | |
95 | SR_PRIV int receive_data_UNI_T_UT61E(int fd, int revents, void *cb_data); | |
96 | SR_PRIV int receive_data_VOLTCRAFT_VC820(int fd, int revents, void *cb_data); | |
97 | SR_PRIV int receive_data_VOLTCRAFT_VC830(int fd, int revents, void *cb_data); | |
98 | SR_PRIV int receive_data_VOLTCRAFT_VC840(int fd, int revents, void *cb_data); | |
99 | SR_PRIV int receive_data_TENMA_72_7745(int fd, int revents, void *cb_data); | |
100 | SR_PRIV int receive_data_TENMA_72_7750(int fd, int revents, void *cb_data); | |
101 | ||
102 | #endif |