91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/*
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* This file is part of the libsigrok project.
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*
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* Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se>
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* Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
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* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBSIGROK_HARDWARE_SALEAE_LOGIC16_PROTOCOL_H
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#define LIBSIGROK_HARDWARE_SALEAE_LOGIC16_PROTOCOL_H
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#include <stdint.h>
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#include <glib.h>
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#include "libsigrok.h"
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#include "libsigrok-internal.h"
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#define LOG_PREFIX "saleae-logic16"
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enum voltage_range {
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VOLTAGE_RANGE_UNKNOWN,
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VOLTAGE_RANGE_18_33_V, /* 1.8V and 3.3V logic */
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VOLTAGE_RANGE_5_V, /* 5V logic */
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};
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/** Private, per-device-instance driver context. */
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struct dev_context {
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/*
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* Since we can't keep track of a Logic16 device after upgrading
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* the firmware (it renumerates into a different device address
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* after the upgrade) this is like a global lock. No device will open
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* until a proper delay after the last device was upgraded.
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*/
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int64_t fw_updated;
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/** The currently configured samplerate of the device. */
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uint64_t cur_samplerate;
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/** Maximum number of samples to capture, if nonzero. */
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uint64_t limit_samples;
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/** The currently configured input voltage of the device. */
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enum voltage_range cur_voltage_range;
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/** The input voltage selected by the user. */
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enum voltage_range selected_voltage_range;
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/** Channels to use. */
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uint16_t cur_channels;
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/* EEPROM data from address 8. */
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uint8_t eeprom_data[8];
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int64_t sent_samples;
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int submitted_transfers;
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int empty_transfer_count;
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int num_channels, cur_channel, unitsize;
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uint16_t channel_masks[16];
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uint16_t channel_data[16];
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uint8_t *convbuffer;
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size_t convbuffer_size;
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struct soft_trigger_logic *stl;
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gboolean trigger_fired;
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void *cb_data;
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unsigned int num_transfers;
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struct libusb_transfer **transfers;
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struct sr_context *ctx;
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};
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SR_PRIV int logic16_setup_acquisition(const struct sr_dev_inst *sdi,
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uint64_t samplerate, uint16_t channels);
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SR_PRIV int logic16_start_acquisition(const struct sr_dev_inst *sdi);
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SR_PRIV int logic16_abort_acquisition(const struct sr_dev_inst *sdi);
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SR_PRIV int logic16_init_device(const struct sr_dev_inst *sdi);
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SR_PRIV void logic16_receive_transfer(struct libusb_transfer *transfer);
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#endif
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