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1 | /* | |
2 | * This file is part of the sigrok 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 | ||
21 | #ifndef LIBSIGROK_GENERICDMM_H | |
22 | #define LIBSIGROK_GENERICDMM_H | |
23 | ||
24 | /* SR_HWCAP_CONN takes one of these: */ | |
25 | #define DMM_CONN_USB_VIDPID "^([0-9a-z]{1,4})\\.([0-9a-z]{1,4})$" | |
26 | #define DMM_CONN_USB_BUSADDR "^(\\d+)\\.(\\d+)$" | |
27 | #define DMM_CONN_SERIALPORT "^([a-z0-9/\\-_]+)$" | |
28 | ||
29 | /* SR_HWCAP_SERIALCOMM like 2400/8n1 */ | |
30 | #define DMM_CONN_SERIALCOMM "^(\\d+)/(\\d)([neo])(\\d)$" | |
31 | ||
32 | enum { | |
33 | DMM_TRANSPORT_SERIAL, | |
34 | DMM_TRANSPORT_USBHID, | |
35 | }; | |
36 | ||
37 | ||
38 | struct dev_profile { | |
39 | char *modelid; | |
40 | char *vendor; | |
41 | char *model; | |
42 | struct dmmchip *chip; | |
43 | int transport; | |
44 | int poll_timeout; | |
45 | struct sr_hwopt *defaults_opts; | |
46 | }; | |
47 | ||
48 | /* Private driver context. */ | |
49 | struct drv_context { | |
50 | GSList *instances; | |
51 | }; | |
52 | ||
53 | /* Private, per-device-instance driver context. */ | |
54 | struct dev_context { | |
55 | struct dev_profile *profile; | |
56 | uint64_t limit_samples; | |
57 | uint64_t limit_msec; | |
58 | ||
59 | /* Opaque pointer passed in by the frontend. */ | |
60 | void *cb_data; | |
61 | ||
62 | /* Only used for USB-connected devices. */ | |
63 | struct sr_usb_dev_inst *usb; | |
64 | ||
65 | /* Only used for serial-connected devices. */ | |
66 | struct sr_serial_dev_inst *serial; | |
67 | int serial_speed; | |
68 | int serial_databits; | |
69 | int serial_parity; | |
70 | int serial_stopbits; | |
71 | ||
72 | /* Runtime. */ | |
73 | uint64_t num_samples; | |
74 | ||
75 | /* DMM chip-specific data, if needed. */ | |
76 | void *priv; | |
77 | }; | |
78 | ||
79 | struct dmmchip { | |
80 | /* Optional, called once before measurement starts. */ | |
81 | int (*init) (void); | |
82 | ||
83 | /* Scan for devices with the given options. */ | |
84 | GSList *(*scan) (GSList *options); | |
85 | ||
86 | /* Called whenever a chunk of data arrives. */ | |
87 | int (*data) (struct sr_dev_inst *sdi); | |
88 | }; | |
89 | ||
90 | ||
91 | #endif /* LIBSIGROK_GENERICDMM_H */ |