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46697e38 BV |
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_LASCAR_EL_USB_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_LASCAR_EL_USB_PROTOCOL_H | |
22 | ||
23 | #include <stdint.h> | |
c1aae900 | 24 | #include <libsigrok/libsigrok.h> |
46697e38 BV |
25 | #include "libsigrok-internal.h" |
26 | ||
3544f848 | 27 | #define LOG_PREFIX "lascar-el-usb" |
46697e38 | 28 | |
6aa1eb4e BV |
29 | #define LASCAR_VENDOR "Lascar" |
30 | #define LASCAR_INTERFACE 0 | |
31 | #define LASCAR_EP_IN 0x82 | |
32 | #define LASCAR_EP_OUT 2 | |
361d1511 | 33 | #define MAX_CONFIGBLOCK_SIZE 256 |
6aa1eb4e | 34 | |
1a46cc62 UH |
35 | /* Max 100ms for a device to positively identify. */ |
36 | #define SCAN_TIMEOUT (100 * 1000) | |
37 | #define BULK_XFER_TIMEOUT (10 * 1000) | |
38 | #define EVENTS_TIMEOUT (10 * 1000) | |
39 | #define SLEEP_US_LONG (5 * 1000) | |
40 | #define SLEEP_US_SHORT (1 * 1000) | |
41 | ||
46697e38 BV |
42 | /** Private, per-device-instance driver context. */ |
43 | struct dev_context { | |
851d5b22 | 44 | const struct elusb_profile *profile; |
6aa1eb4e | 45 | /* Generic EL-USB */ |
361d1511 | 46 | unsigned char config[MAX_CONFIGBLOCK_SIZE]; |
6aa1eb4e BV |
47 | unsigned int log_size; |
48 | unsigned int rcvd_bytes; | |
49 | unsigned int sample_size; | |
50 | unsigned int logged_samples; | |
51 | unsigned int rcvd_samples; | |
6aed917b | 52 | uint64_t limit_samples; |
6aa1eb4e | 53 | /* Model-specific */ |
6787f404 BV |
54 | /* EL-USB-CO: these are something like scaling and calibration values |
55 | * fixed per device, used to convert the sample values to CO ppm. */ | |
6aa1eb4e BV |
56 | float co_high; |
57 | float co_low; | |
6787f404 BV |
58 | /* Temperature units as stored in the device config. */ |
59 | int temp_unit; | |
851d5b22 BV |
60 | }; |
61 | ||
62 | enum { | |
63 | LOG_UNSUPPORTED, | |
64 | LOG_TEMP_RH, | |
65 | LOG_CO, | |
66 | }; | |
67 | ||
68 | struct elusb_profile { | |
69 | int modelid; | |
2c240774 | 70 | const char *modelname; |
851d5b22 | 71 | int logformat; |
46697e38 BV |
72 | }; |
73 | ||
361d1511 BV |
74 | SR_PRIV int lascar_get_config(libusb_device_handle *dev_hdl, |
75 | unsigned char *configblock, int *configlen); | |
8162cad7 | 76 | SR_PRIV struct sr_dev_inst *lascar_scan(int bus, int address); |
6aa1eb4e | 77 | SR_PRIV int lascar_el_usb_handle_events(int fd, int revents, void *cb_data); |
55462b8b | 78 | SR_PRIV void LIBUSB_CALL lascar_el_usb_receive_transfer(struct libusb_transfer *transfer); |
361d1511 BV |
79 | SR_PRIV int lascar_start_logging(const struct sr_dev_inst *sdi); |
80 | SR_PRIV int lascar_stop_logging(const struct sr_dev_inst *sdi); | |
81 | SR_PRIV int lascar_is_logging(const struct sr_dev_inst *sdi); | |
695dc859 | 82 | SR_PRIV int dev_acquisition_stop(struct sr_dev_inst *sdi); |
46697e38 BV |
83 | |
84 | #endif |