libsigrok/hardware/mic-985xx/protocol.h

95 lines
2.8 KiB
C

/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef LIBSIGROK_HARDWARE_MIC_985XX_PROTOCOL_H
#define LIBSIGROK_HARDWARE_MIC_985XX_PROTOCOL_H
#include <stdint.h>
#include <string.h>
#include <ctype.h>
#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
/* Message logging helpers with driver-specific prefix string. */
#define DRIVER_LOG_DOMAIN "mic-985xx: "
#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
/* Note: When adding entries here, don't forget to update MIC_DEV_COUNT. */
enum {
MIC_98581,
MIC_98583,
};
#define MIC_DEV_COUNT 2
struct mic_dev_info {
char *vendor;
char *device;
char *conn;
uint32_t max_sample_points;
gboolean has_temperature;
gboolean has_humidity;
uint8_t packet_size;
gboolean (*packet_valid)(const uint8_t *);
struct sr_dev_driver *di;
int (*receive_data)(int, int, void *);
};
extern SR_PRIV const struct mic_dev_info mic_devs[MIC_DEV_COUNT];
#define SERIAL_BUFSIZE 256
/** Private, per-device-instance driver context. */
struct dev_context {
/** The current sampling limit (in number of samples). */
uint64_t limit_samples;
/** The current sampling limit (in ms). */
uint64_t limit_msec;
/** Opaque pointer passed in by the frontend. */
void *cb_data;
/** The current number of already received samples. */
uint64_t num_samples;
int64_t starttime;
uint8_t buf[SERIAL_BUFSIZE];
int bufoffset;
int buflen;
};
SR_PRIV gboolean packet_valid_temp(const uint8_t *buf);
SR_PRIV gboolean packet_valid_temp_hum(const uint8_t *buf);
SR_PRIV int receive_data_MIC_98581(int fd, int revents, void *cb_data);
SR_PRIV int receive_data_MIC_98583(int fd, int revents, void *cb_data);
SR_PRIV int mic_cmd_get_device_info(struct sr_serial_dev_inst *serial);
#endif