2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
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.
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.
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/>.
20 #ifndef LIBSIGROK_HARDWARE_LASCAR_EL_USB_PROTOCOL_H
21 #define LIBSIGROK_HARDWARE_LASCAR_EL_USB_PROTOCOL_H
24 #include "libsigrok.h"
25 #include "libsigrok-internal.h"
27 /* Message logging helpers with driver-specific prefix string. */
28 #define DRIVER_LOG_DOMAIN "lascar-el-usb: "
29 #define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
30 #define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
31 #define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
32 #define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
33 #define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
34 #define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
36 #define LASCAR_VENDOR "Lascar"
37 #define LASCAR_INTERFACE 0
38 #define LASCAR_EP_IN 0x82
39 #define LASCAR_EP_OUT 2
40 /* Max 100ms for a device to positively identify. */
41 #define SCAN_TIMEOUT 100000
43 /** Private, per-device-instance driver context. */
46 struct sr_usb_dev_inst *usb;
47 const struct elusb_profile *profile;
50 unsigned char *config;
51 unsigned int log_size;
52 unsigned int rcvd_bytes;
53 unsigned int sample_size;
54 unsigned int logged_samples;
55 unsigned int rcvd_samples;
56 unsigned int limit_samples;
58 /* EL-USB-CO: these are something like calibration values fixed per
59 * device, used to convert the sample values to CO ppm. */
70 struct elusb_profile {
76 SR_PRIV unsigned char *lascar_get_config(libusb_device_handle *dev_hdl);
77 SR_PRIV int lascar_el_usb_handle_events(int fd, int revents, void *cb_data);
78 SR_PRIV void lascar_el_usb_receive_transfer(struct libusb_transfer *transfer);
79 SR_PRIV int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);