71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
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* This file is part of the libsigrok project.
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*
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* Copyright (C) 2014 Kumar Abhishek <abhishek@theembeddedkitchen.net>
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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_BEAGLELOGIC_PROTOCOL_H
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#define LIBSIGROK_HARDWARE_BEAGLELOGIC_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 "beaglelogic"
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/* Maximum possible input channels */
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#define NUM_CHANNELS 14
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#define SAMPLEUNIT_TO_BYTES(x) ((x) == 1 ? 1 : 2)
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/** Private, per-device-instance driver context. */
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struct dev_context {
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/* Model-specific information */
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int max_channels;
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uint32_t fw_ver;
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/* Acquisition settings: see beaglelogic.h */
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uint64_t cur_samplerate;
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uint64_t limit_samples;
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uint32_t sampleunit;
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uint32_t triggerflags;
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/* Buffers: size of each buffer block and the total buffer area */
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uint32_t bufunitsize;
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uint32_t buffersize;
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/* Operational state */
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int fd;
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GPollFD pollfd;
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int last_error;
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uint64_t bytes_read;
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uint64_t sent_samples;
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uint32_t offset;
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uint8_t *sample_buf; /* mmap'd kernel buffer here */
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void *cb_data;
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/* Trigger logic */
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struct soft_trigger_logic *stl;
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gboolean trigger_fired;
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};
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SR_PRIV int beaglelogic_receive_data(int fd, int revents, void *cb_data);
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#endif
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