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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.com> | |
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 3 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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef LIBSIGROK_HARDWARE_AGILENT_DMM_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_AGILENT_DMM_PROTOCOL_H | |
22 | ||
23 | #define LOG_PREFIX "agilent-dmm" | |
24 | ||
25 | #define MAX_CHANNELS 3 | |
26 | #define AGDMM_BUFSIZE 256 | |
27 | ||
28 | /* Always USB-serial, 1ms is plenty. */ | |
29 | #define SERIAL_WRITE_TIMEOUT_MS 1 | |
30 | ||
31 | /* Supported models */ | |
32 | enum { | |
33 | AGILENT_U1231 = 1, | |
34 | AGILENT_U1232, | |
35 | AGILENT_U1233, | |
36 | ||
37 | AGILENT_U1241, | |
38 | AGILENT_U1242, | |
39 | ||
40 | AGILENT_U1251, | |
41 | AGILENT_U1252, | |
42 | AGILENT_U1253, | |
43 | ||
44 | KEYSIGHT_U1281, | |
45 | KEYSIGHT_U1282, | |
46 | }; | |
47 | ||
48 | /* Supported device profiles */ | |
49 | struct agdmm_profile { | |
50 | int model; | |
51 | const char *modelname; | |
52 | int nb_channels; | |
53 | const struct agdmm_job *jobs; | |
54 | const struct agdmm_recv *recvs; | |
55 | }; | |
56 | ||
57 | /* Private, per-device-instance driver context. */ | |
58 | struct dev_context { | |
59 | const struct agdmm_profile *profile; | |
60 | struct sr_sw_limits limits; | |
61 | ||
62 | /* Runtime. */ | |
63 | int64_t jobqueue[8]; | |
64 | unsigned char buf[AGDMM_BUFSIZE]; | |
65 | int buflen; | |
66 | struct sr_channel *cur_channel; | |
67 | struct sr_channel *cur_conf; | |
68 | int cur_mq[MAX_CHANNELS]; | |
69 | int cur_unit[MAX_CHANNELS]; | |
70 | int cur_mqflags[MAX_CHANNELS]; | |
71 | int cur_digits[MAX_CHANNELS]; | |
72 | int cur_encoding[MAX_CHANNELS]; | |
73 | int cur_exponent[MAX_CHANNELS]; | |
74 | int mode_tempaux; | |
75 | int mode_continuity; | |
76 | int mode_squarewave; | |
77 | }; | |
78 | ||
79 | struct agdmm_job { | |
80 | int interval; | |
81 | int (*send) (const struct sr_dev_inst *sdi); | |
82 | }; | |
83 | ||
84 | struct agdmm_recv { | |
85 | const char *recv_regex; | |
86 | int (*recv) (const struct sr_dev_inst *sdi, GMatchInfo *match); | |
87 | }; | |
88 | ||
89 | SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data); | |
90 | ||
91 | #endif |