2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se>
5 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
6 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #ifndef LIBSIGROK_HARDWARE_SALEAE_LOGIC16_PROTOCOL_H
23 #define LIBSIGROK_HARDWARE_SALEAE_LOGIC16_PROTOCOL_H
27 #include "libsigrok.h"
28 #include "libsigrok-internal.h"
30 /* Message logging helpers with subsystem-specific prefix string. */
31 #define LOG_PREFIX "saleae-logic16: "
32 #define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
33 #define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
34 #define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
35 #define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
36 #define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
37 #define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
40 VOLTAGE_RANGE_UNKNOWN,
41 VOLTAGE_RANGE_18_33_V, /* 1.8V and 3.3V logic */
42 VOLTAGE_RANGE_5_V, /* 5V logic */
45 /** Private, per-device-instance driver context. */
48 * Since we can't keep track of a Logic16 device after upgrading
49 * the firmware (it renumerates into a different device address
50 * after the upgrade) this is like a global lock. No device will open
51 * until a proper delay after the last device was upgraded.
55 /** The currently configured samplerate of the device. */
56 uint64_t cur_samplerate;
58 /** Maximum number of samples to capture, if nonzero. */
59 uint64_t limit_samples;
61 /** The currently configured input voltage of the device. */
62 enum voltage_range cur_voltage_range;
64 /** The input voltage selected by the user. */
65 enum voltage_range selected_voltage_range;
67 /** Channels to use. */
68 uint16_t cur_channels;
70 /* EEPROM data from address 8. */
71 uint8_t eeprom_data[8];
74 int submitted_transfers;
75 int empty_transfer_count;
76 int num_channels, cur_channel;
77 uint16_t channel_masks[16];
78 uint16_t channel_data[16];
80 size_t convbuffer_size;
83 unsigned int num_transfers;
84 struct libusb_transfer **transfers;
88 SR_PRIV int logic16_setup_acquisition(const struct sr_dev_inst *sdi,
89 uint64_t samplerate, uint16_t channels);
90 SR_PRIV int logic16_start_acquisition(const struct sr_dev_inst *sdi);
91 SR_PRIV int logic16_abort_acquisition(const struct sr_dev_inst *sdi);
92 SR_PRIV int logic16_init_device(const struct sr_dev_inst *sdi);
93 SR_PRIV void logic16_receive_transfer(struct libusb_transfer *transfer);