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 #define LOG_PREFIX "saleae-logic16"
33 VOLTAGE_RANGE_UNKNOWN,
34 VOLTAGE_RANGE_18_33_V, /* 1.8V and 3.3V logic */
35 VOLTAGE_RANGE_5_V, /* 5V logic */
39 FPGA_VARIANT_ORIGINAL,
40 FPGA_VARIANT_MCUPRO /* mcupro clone v4.6 with Actel FPGA */
43 /** Private, per-device-instance driver context. */
45 /** Distinguishing between original Logic16 and clones */
46 enum fpga_variant fpga_variant;
49 * Since we can't keep track of a Logic16 device after upgrading
50 * the firmware (it renumerates into a different device address
51 * after the upgrade) this is like a global lock. No device will open
52 * until a proper delay after the last device was upgraded.
56 /** The currently configured samplerate of the device. */
57 uint64_t cur_samplerate;
59 /** Maximum number of samples to capture, if nonzero. */
60 uint64_t limit_samples;
62 /** Percent of the samples that should be captured before the trigger. */
63 uint64_t capture_ratio;
65 /** The currently configured input voltage of the device. */
66 enum voltage_range cur_voltage_range;
68 /** The input voltage selected by the user. */
69 enum voltage_range selected_voltage_range;
71 /** Channels to use. */
72 uint16_t cur_channels;
74 /* EEPROM data from address 8. */
75 uint8_t eeprom_data[8];
78 int submitted_transfers;
79 int empty_transfer_count;
82 uint16_t channel_masks[16];
83 uint16_t channel_data[16];
85 size_t convbuffer_size;
86 struct soft_trigger_logic *stl;
87 gboolean trigger_fired;
90 unsigned int num_transfers;
91 struct libusb_transfer **transfers;
92 struct sr_context *ctx;
95 SR_PRIV int logic16_setup_acquisition(const struct sr_dev_inst *sdi,
96 uint64_t samplerate, uint16_t channels);
97 SR_PRIV int logic16_start_acquisition(const struct sr_dev_inst *sdi);
98 SR_PRIV int logic16_abort_acquisition(const struct sr_dev_inst *sdi);
99 SR_PRIV int logic16_init_device(const struct sr_dev_inst *sdi);
100 SR_PRIV void logic16_receive_transfer(struct libusb_transfer *transfer);