projects / libsigrok.git / blame
| Commit | Line | Data |
|---|---|---|
| ca3d84cc BV |
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 | ||
| db135200 BV |
21 | #ifndef LIBSIGROK_GENERICDMM_H |
| 22 | #define LIBSIGROK_GENERICDMM_H | |
| ca3d84cc BV |
23 | |
| 24 | /* SR_HWCAP_CONN takes one of these: */ | |
| 7356a55d | 25 | #define DMM_CONN_USB_VIDPID "^([0-9a-z]{1,4})\\.([0-9a-z]{1,4})$" |
| ca3d84cc BV |
26 | #define DMM_CONN_USB_BUSADDR "^(\\d+)\\.(\\d+)$" |
| 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 | /* Only use when the VID:PID is really specific to a DMM. */ | |
| 44 | uint16_t vid; | |
| 45 | uint16_t pid; | |
| 46 | int transport; | |
| 47 | }; | |
| 48 | ||
| 49 | struct context { | |
| 50 | struct dev_profile *profile; | |
| 51 | uint64_t limit_samples; | |
| 52 | uint64_t limit_msec; | |
| 53 | ||
| 54 | /* Opaque pointer passed in by the frontend. */ | |
| 55 | void *cb_data; | |
| 56 | ||
| 57 | /* Only used for USB-connected devices. */ | |
| 58 | struct sr_usb_dev_inst *usb; | |
| 59 | ||
| 60 | /* Only used for serial-connected devices. */ | |
| 61 | struct sr_serial_dev_inst *serial; | |
| 62 | int serial_speed; | |
| 63 | int serial_databits; | |
| 64 | int serial_parity; | |
| 65 | int serial_stopbits; | |
| 66 | ||
| 67 | /* Runtime. */ | |
| 68 | uint64_t num_samples; | |
| 69 | ||
| 70 | /* DMM chip-specific data, if needed. */ | |
| 71 | void *priv; | |
| 72 | }; | |
| 73 | ||
| 74 | struct dmmchip { | |
| 75 | /* Optional, called once before measurement starts. */ | |
| 76 | int (*init) (struct context *ctx); | |
| 77 | /* Called whenever a chunk of data arrives. */ | |
| 78 | int (*data) (struct context *ctx, unsigned char *data); | |
| 79 | }; | |
| 80 | ||
| 81 | ||
| db135200 | 82 | #endif /* LIBSIGROK_GENERICDMM_H */ |