libsigrok/hardware/kecheng-kc-330b/protocol.h

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/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBSIGROK_HARDWARE_KECHENG_KC_330B_PROTOCOL_H
#define LIBSIGROK_HARDWARE_KECHENG_KC_330B_PROTOCOL_H
#include <stdint.h>
#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
/* Message logging helpers with subsystem-specific prefix string. */
#define LOG_PREFIX "kecheng-kc-330b: "
#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
#define EP_IN 0x80 | 1
#define EP_OUT 2
/* 500ms */
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#define DEFAULT_SAMPLE_INTERVAL 0
#define DEFAULT_ALARM_LOW 40
#define DEFAULT_ALARM_HIGH 120
#define DEFAULT_WEIGHT_TIME SR_MQFLAG_SPL_TIME_WEIGHT_F
#define DEFAULT_WEIGHT_FREQ SR_MQFLAG_SPL_FREQ_WEIGHT_A
/* Live */
#define DEFAULT_DATA_SOURCE DATA_SOURCE_LIVE
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enum {
LIVE_SPL_IDLE,
LIVE_SPL_WAIT,
LOG_DATA_IDLE,
LOG_DATA_WAIT,
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};
enum {
CMD_CONFIGURE = 0x01,
CMD_IDENTIFY = 0x02,
CMD_SET_DATE_TIME = 0x03,
CMD_GET_STATUS = 0x04,
CMD_GET_LOG_INFO = 0x05,
CMD_GET_LOG_DATA = 0x07,
CMD_GET_LIVE_SPL = 0x08,
};
enum {
DATA_SOURCE_LIVE,
DATA_SOURCE_MEMORY,
};
enum {
DEVICE_ACTIVE,
DEVICE_INACTIVE,
};
/** Private, per-device-instance driver context. */
struct dev_context {
/* Acquisition settings */
uint64_t limit_samples;
int sample_interval;
int alarm_low;
int alarm_high;
uint64_t mqflags;
int data_source;
/* Operational state */
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int state;
gboolean config_dirty;
uint64_t num_samples;
uint64_t stored_samples;
void *cb_data;
int usbfd[10];
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struct libusb_transfer *xfer;
unsigned char buf[128];
/* Temporary state across callbacks */
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gint64 last_live_request;
};
SR_PRIV int kecheng_kc_330b_handle_events(int fd, int revents, void *cb_data);
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SR_PRIV void kecheng_kc_330b_receive_transfer(struct libusb_transfer *transfer);
SR_PRIV int kecheng_kc_330b_configure(const struct sr_dev_inst *sdi);
SR_PRIV int kecheng_kc_330b_set_date_time(struct sr_dev_inst *sdi);
SR_PRIV int kecheng_kc_330b_recording_get(const struct sr_dev_inst *sdi,
gboolean *tmp);
SR_PRIV int kecheng_kc_330b_status_get(const struct sr_dev_inst *sdi,
int *status);
SR_PRIV int kecheng_kc_330b_log_info_get(const struct sr_dev_inst *sdi,
unsigned char *buf);
#endif