libsigrok/src/scpi.h

187 lines
6.6 KiB
C

/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2015 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/>.
*/
/** @file
* @internal
*/
#ifndef LIBSIGROK_SCPI_H
#define LIBSIGROK_SCPI_H
#include <stdint.h>
#include <glib.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#define SCPI_CMD_IDN "*IDN?"
#define SCPI_CMD_OPC "*OPC?"
enum {
SCPI_CMD_SET_TRIGGER_SOURCE = 1,
SCPI_CMD_SET_TIMEBASE,
SCPI_CMD_SET_VERTICAL_DIV,
SCPI_CMD_SET_TRIGGER_SLOPE,
SCPI_CMD_SET_COUPLING,
SCPI_CMD_SET_HORIZ_TRIGGERPOS,
SCPI_CMD_GET_ANALOG_CHAN_STATE,
SCPI_CMD_GET_DIG_CHAN_STATE,
SCPI_CMD_GET_TIMEBASE,
SCPI_CMD_GET_VERTICAL_DIV,
SCPI_CMD_GET_VERTICAL_OFFSET,
SCPI_CMD_GET_TRIGGER_SOURCE,
SCPI_CMD_GET_HORIZ_TRIGGERPOS,
SCPI_CMD_GET_TRIGGER_SLOPE,
SCPI_CMD_GET_COUPLING,
SCPI_CMD_SET_ANALOG_CHAN_STATE,
SCPI_CMD_SET_DIG_CHAN_STATE,
SCPI_CMD_GET_DIG_POD_STATE,
SCPI_CMD_SET_DIG_POD_STATE,
SCPI_CMD_GET_ANALOG_DATA,
SCPI_CMD_GET_DIG_DATA,
SCPI_CMD_GET_SAMPLE_RATE,
SCPI_CMD_GET_SAMPLE_RATE_LIVE,
SCPI_CMD_GET_DATA_FORMAT,
SCPI_CMD_GET_PROBE_FACTOR,
SCPI_CMD_SET_PROBE_FACTOR,
SCPI_CMD_GET_PROBE_UNIT,
SCPI_CMD_SET_PROBE_UNIT,
SCPI_CMD_GET_ANALOG_CHAN_NAME,
SCPI_CMD_GET_DIG_CHAN_NAME,
};
enum scpi_transport_layer {
SCPI_TRANSPORT_LIBGPIB,
SCPI_TRANSPORT_SERIAL,
SCPI_TRANSPORT_RAW_TCP,
SCPI_TRANSPORT_RIGOL_TCP,
SCPI_TRANSPORT_USBTMC,
SCPI_TRANSPORT_VISA,
SCPI_TRANSPORT_VXI,
};
struct scpi_command {
int command;
const char *string;
};
struct sr_scpi_hw_info {
char *manufacturer;
char *model;
char *serial_number;
char *firmware_version;
};
struct sr_scpi_dev_inst {
const char *name;
const char *prefix;
enum scpi_transport_layer transport;
int priv_size;
GSList *(*scan)(struct drv_context *drvc);
int (*dev_inst_new)(void *priv, struct drv_context *drvc,
const char *resource, char **params, const char *serialcomm);
int (*open)(struct sr_scpi_dev_inst *scpi);
int (*connection_id)(struct sr_scpi_dev_inst *scpi, char **connection_id);
int (*source_add)(struct sr_session *session, void *priv, int events,
int timeout, sr_receive_data_callback cb, void *cb_data);
int (*source_remove)(struct sr_session *session, void *priv);
int (*send)(void *priv, const char *command);
int (*read_begin)(void *priv);
int (*read_data)(void *priv, char *buf, int maxlen);
int (*write_data)(void *priv, char *buf, int len);
int (*read_complete)(void *priv);
int (*close)(struct sr_scpi_dev_inst *scpi);
void (*free)(void *priv);
unsigned int read_timeout_us;
void *priv;
/* Only used for quirk workarounds, notably the Rigol DS1000 series. */
uint64_t firmware_version;
GMutex scpi_mutex;
char *actual_channel_name;
};
SR_PRIV GSList *sr_scpi_scan(struct drv_context *drvc, GSList *options,
struct sr_dev_inst *(*probe_device)(struct sr_scpi_dev_inst *scpi));
SR_PRIV struct sr_scpi_dev_inst *scpi_dev_inst_new(struct drv_context *drvc,
const char *resource, const char *serialcomm);
SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi);
SR_PRIV int sr_scpi_connection_id(struct sr_scpi_dev_inst *scpi,
char **connection_id);
SR_PRIV int sr_scpi_source_add(struct sr_session *session,
struct sr_scpi_dev_inst *scpi, int events, int timeout,
sr_receive_data_callback cb, void *cb_data);
SR_PRIV int sr_scpi_source_remove(struct sr_session *session,
struct sr_scpi_dev_inst *scpi);
SR_PRIV int sr_scpi_send(struct sr_scpi_dev_inst *scpi,
const char *format, ...);
SR_PRIV int sr_scpi_send_variadic(struct sr_scpi_dev_inst *scpi,
const char *format, va_list args);
SR_PRIV int sr_scpi_read_begin(struct sr_scpi_dev_inst *scpi);
SR_PRIV int sr_scpi_read_data(struct sr_scpi_dev_inst *scpi, char *buf, int maxlen);
SR_PRIV int sr_scpi_write_data(struct sr_scpi_dev_inst *scpi, char *buf, int len);
SR_PRIV int sr_scpi_read_complete(struct sr_scpi_dev_inst *scpi);
SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi);
SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi);
SR_PRIV int sr_scpi_read_response(struct sr_scpi_dev_inst *scpi,
GString *response, gint64 abs_timeout_us);
SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi,
const char *command, char **scpi_response);
SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi,
const char *command, gboolean *scpi_response);
SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi,
const char *command, int *scpi_response);
SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi,
const char *command, float *scpi_response);
SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi,
const char *command, double *scpi_response);
SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi);
SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi,
const char *command, GArray **scpi_response);
SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi,
const char *command, GArray **scpi_response);
SR_PRIV int sr_scpi_get_data(struct sr_scpi_dev_inst *scpi,
const char *command, GString **scpi_response);
SR_PRIV int sr_scpi_get_block(struct sr_scpi_dev_inst *scpi,
const char *command, GByteArray **scpi_response);
SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi,
struct sr_scpi_hw_info **scpi_response);
SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info);
SR_PRIV const char *sr_scpi_unquote_string(char *s);
SR_PRIV const char *sr_vendor_alias(const char *raw_vendor);
SR_PRIV const char *sr_scpi_cmd_get(const struct scpi_command *cmdtable,
int command);
SR_PRIV int sr_scpi_cmd(const struct sr_dev_inst *sdi,
const struct scpi_command *cmdtable,
int channel_command, const char *channel_name,
int command, ...);
SR_PRIV int sr_scpi_cmd_resp(const struct sr_dev_inst *sdi,
const struct scpi_command *cmdtable,
int channel_command, const char *channel_name,
GVariant **gvar, const GVariantType *gvtype, int command, ...);
/*--- GPIB only functions ---------------------------------------------------*/
#ifdef HAVE_LIBGPIB
SR_PRIV int sr_scpi_gpib_spoll(struct sr_scpi_dev_inst *scpi, char *buf);
#endif
#endif