libsigrok/hardware/uni-t-ut32x/protocol.h

80 lines
2.2 KiB
C

/*
* 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_UNI_T_UT32X_PROTOCOL_H
#define LIBSIGROK_HARDWARE_UNI_T_UT32X_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 "uni-t-ut32x: "
#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 DEFAULT_DATA_SOURCE DATA_SOURCE_LIVE
#define USB_CONN "1a86.e008"
#define VENDOR "UNI-T"
#define MODEL "UT32x"
#define USB_INTERFACE 0
#define USB_CONFIGURATION 1
#define EP_IN 0x80 | 2
#define EP_OUT 2
enum {
DATA_SOURCE_LIVE,
DATA_SOURCE_MEMORY,
};
enum {
CMD_GET_LIVE = 1,
CMD_STOP = 2,
CMD_GET_STORED = 7,
};
/** Private, per-device-instance driver context. */
struct dev_context {
/* Acquisition settings */
uint64_t limit_samples;
gboolean data_source;
/* Operational state */
uint64_t num_samples;
int usbfd[10];
unsigned char buf[8];
struct libusb_transfer *xfer;
void *cb_data;
/* Temporary state across callbacks */
unsigned char packet[32];
int packet_len;
};
SR_PRIV int uni_t_ut32x_handle_events(int fd, int revents, void *cb_data);
SR_PRIV void uni_t_ut32x_receive_transfer(struct libusb_transfer *transfer);
#endif