92 lines
2.7 KiB
C
92 lines
2.7 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 Uwe Hermann <uwe@hermann-uwe.de>
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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 2 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, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef LIBSIGROK_HARDWARE_CENTER_3XX_PROTOCOL_H
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#define LIBSIGROK_HARDWARE_CENTER_3XX_PROTOCOL_H
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#include <stdint.h>
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#include <string.h>
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#include <ctype.h>
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#include <math.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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/* Message logging helpers with subsystem-specific prefix string. */
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#define LOG_PREFIX "center-3xx: "
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#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
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#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
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#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
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#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
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#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
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#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
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/* Note: When adding entries here, don't forget to update CENTER_DEV_COUNT. */
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enum {
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CENTER_309,
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VOLTCRAFT_K204,
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};
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#define CENTER_DEV_COUNT 2
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struct center_dev_info {
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char *vendor;
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char *device;
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char *conn;
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int num_channels;
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uint32_t max_sample_points;
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uint8_t packet_size;
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gboolean (*packet_valid)(const uint8_t *);
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struct sr_dev_driver *di;
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int (*receive_data)(int, int, void *);
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};
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extern SR_PRIV const struct center_dev_info center_devs[CENTER_DEV_COUNT];
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#define SERIAL_BUFSIZE 256
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/** Private, per-device-instance driver context. */
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struct dev_context {
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/** The current sampling limit (in number of samples). */
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uint64_t limit_samples;
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/** The current sampling limit (in ms). */
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uint64_t limit_msec;
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/** Opaque pointer passed in by the frontend. */
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void *cb_data;
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/** The current number of already received samples. */
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uint64_t num_samples;
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int64_t starttime;
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uint8_t buf[SERIAL_BUFSIZE];
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int bufoffset;
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int buflen;
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};
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SR_PRIV gboolean center_3xx_packet_valid(const uint8_t *buf);
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SR_PRIV int receive_data_CENTER_309(int fd, int revents, void *cb_data);
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SR_PRIV int receive_data_VOLTCRAFT_K204(int fd, int revents, void *cb_data);
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#endif
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