src/scpi.h

   1 /*
   2  * This file is part of the libsigrok project.
   3  *
   4  * Copyright (C) 2015 Bert Vermeulen <bert@biot.com>
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef LIBSIGROK_SCPI_H
  21 #define LIBSIGROK_SCPI_H
  22
  23 #include <stdint.h>
  24 #include <glib.h>
  25 #include <libsigrok/libsigrok.h>
  26 #include "libsigrok-internal.h"
  27
  28 #define SCPI_CMD_IDN "*IDN?"
  29 #define SCPI_CMD_OPC "*OPC?"
  30
  31 enum {
  32         SCPI_CMD_GET_TIMEBASE = 1,
  33         SCPI_CMD_SET_TIMEBASE,
  34         SCPI_CMD_GET_HORIZONTAL_DIV,
  35         SCPI_CMD_GET_VERTICAL_SCALE,
  36         SCPI_CMD_SET_VERTICAL_SCALE,
  37         SCPI_CMD_GET_TRIGGER_SOURCE,
  38         SCPI_CMD_SET_TRIGGER_SOURCE,
  39         SCPI_CMD_GET_TRIGGER_SLOPE,
  40         SCPI_CMD_SET_TRIGGER_SLOPE,
  41         SCPI_CMD_GET_TRIGGER_PATTERN,
  42         SCPI_CMD_SET_TRIGGER_PATTERN,
  43         SCPI_CMD_GET_HIGH_RESOLUTION,
  44         SCPI_CMD_SET_HIGH_RESOLUTION,
  45         SCPI_CMD_GET_PEAK_DETECTION,
  46         SCPI_CMD_SET_PEAK_DETECTION,
  47         SCPI_CMD_GET_COUPLING,
  48         SCPI_CMD_SET_COUPLING,
  49         SCPI_CMD_GET_HORIZ_TRIGGERPOS,
  50         SCPI_CMD_SET_HORIZ_TRIGGERPOS,
  51         SCPI_CMD_GET_ANALOG_CHAN_STATE,
  52         SCPI_CMD_SET_ANALOG_CHAN_STATE,
  53         SCPI_CMD_GET_DIG_CHAN_STATE,
  54         SCPI_CMD_SET_DIG_CHAN_STATE,
  55         SCPI_CMD_GET_VERTICAL_OFFSET,
  56         SCPI_CMD_GET_DIG_POD_STATE,
  57         SCPI_CMD_SET_DIG_POD_STATE,
  58         SCPI_CMD_GET_ANALOG_DATA,
  59         SCPI_CMD_GET_DIG_DATA,
  60         SCPI_CMD_GET_SAMPLE_RATE,
  61         SCPI_CMD_GET_PROBE_UNIT,
  62         SCPI_CMD_GET_DIG_POD_THRESHOLD,
  63         SCPI_CMD_SET_DIG_POD_THRESHOLD,
  64         SCPI_CMD_GET_DIG_POD_USER_THRESHOLD,
  65         SCPI_CMD_SET_DIG_POD_USER_THRESHOLD,
  66 };
  67
  68 enum scpi_transport_layer {
  69         SCPI_TRANSPORT_LIBGPIB,
  70         SCPI_TRANSPORT_SERIAL,
  71         SCPI_TRANSPORT_RAW_TCP,
  72         SCPI_TRANSPORT_RIGOL_TCP,
  73         SCPI_TRANSPORT_USBTMC,
  74         SCPI_TRANSPORT_VISA,
  75         SCPI_TRANSPORT_VXI,
  76 };
  77
  78 struct scpi_command {
  79         int command;
  80         const char *string;
  81 };
  82
  83 struct sr_scpi_hw_info {
  84         char *manufacturer;
  85         char *model;
  86         char *serial_number;
  87         char *firmware_version;
  88 };
  89
  90 struct sr_scpi_dev_inst {
  91         const char *name;
  92         const char *prefix;
  93         enum scpi_transport_layer transport;
  94         int priv_size;
  95         GSList *(*scan)(struct drv_context *drvc);
  96         int (*dev_inst_new)(void *priv, struct drv_context *drvc,
  97                 const char *resource, char **params, const char *serialcomm);
  98         int (*open)(struct sr_scpi_dev_inst *scpi);
  99         int (*connection_id)(struct sr_scpi_dev_inst *scpi, char **connection_id);
 100         int (*source_add)(struct sr_session *session, void *priv, int events,
 101                 int timeout, sr_receive_data_callback cb, void *cb_data);
 102         int (*source_remove)(struct sr_session *session, void *priv);
 103         int (*send)(void *priv, const char *command);
 104         int (*read_begin)(void *priv);
 105         int (*read_data)(void *priv, char *buf, int maxlen);
 106         int (*write_data)(void *priv, char *buf, int len);
 107         int (*read_complete)(void *priv);
 108         int (*close)(struct sr_scpi_dev_inst *scpi);
 109         void (*free)(void *priv);
 110         unsigned int read_timeout_us;
 111         void *priv;
 112         /* Only used for quirk workarounds, notably the Rigol DS1000 series. */
 113         uint64_t firmware_version;
 114         GMutex scpi_mutex;
 115         char *actual_channel_name;
 116         gboolean no_opc_command;
 117 };
 118
 119 SR_PRIV GSList *sr_scpi_scan(struct drv_context *drvc, GSList *options,
 120                 struct sr_dev_inst *(*probe_device)(struct sr_scpi_dev_inst *scpi));
 121 SR_PRIV struct sr_scpi_dev_inst *scpi_dev_inst_new(struct drv_context *drvc,
 122                 const char *resource, const char *serialcomm);
 123 SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi);
 124 SR_PRIV int sr_scpi_connection_id(struct sr_scpi_dev_inst *scpi,
 125                 char **connection_id);
 126 SR_PRIV int sr_scpi_source_add(struct sr_session *session,
 127                 struct sr_scpi_dev_inst *scpi, int events, int timeout,
 128                 sr_receive_data_callback cb, void *cb_data);
 129 SR_PRIV int sr_scpi_source_remove(struct sr_session *session,
 130                 struct sr_scpi_dev_inst *scpi);
 131 SR_PRIV int sr_scpi_send(struct sr_scpi_dev_inst *scpi,
 132                 const char *format, ...);
 133 SR_PRIV int sr_scpi_send_variadic(struct sr_scpi_dev_inst *scpi,
 134                 const char *format, va_list args);
 135 SR_PRIV int sr_scpi_read_begin(struct sr_scpi_dev_inst *scpi);
 136 SR_PRIV int sr_scpi_read_data(struct sr_scpi_dev_inst *scpi, char *buf, int maxlen);
 137 SR_PRIV int sr_scpi_write_data(struct sr_scpi_dev_inst *scpi, char *buf, int len);
 138 SR_PRIV int sr_scpi_read_complete(struct sr_scpi_dev_inst *scpi);
 139 SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi);
 140 SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi);
 141
 142 SR_PRIV int sr_scpi_read_response(struct sr_scpi_dev_inst *scpi,
 143                         GString *response, gint64 abs_timeout_us);
 144 SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi,
 145                         const char *command, char **scpi_response);
 146 SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi,
 147                         const char *command, gboolean *scpi_response);
 148 SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi,
 149                         const char *command, int *scpi_response);
 150 SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi,
 151                         const char *command, float *scpi_response);
 152 SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi,
 153                         const char *command, double *scpi_response);
 154 SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi);
 155 SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi,
 156                         const char *command, GArray **scpi_response);
 157 SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi,
 158                         const char *command, GArray **scpi_response);
 159 SR_PRIV int sr_scpi_get_data(struct sr_scpi_dev_inst *scpi,
 160                         const char *command, GString **scpi_response);
 161 SR_PRIV int sr_scpi_get_block(struct sr_scpi_dev_inst *scpi,
 162                         const char *command, GByteArray **scpi_response);
 163 SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi,
 164                         struct sr_scpi_hw_info **scpi_response);
 165 SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info);
 166
 167 SR_PRIV const char *sr_scpi_unquote_string(char *s);
 168
 169 SR_PRIV const char *sr_vendor_alias(const char *raw_vendor);
 170 SR_PRIV const char *sr_scpi_cmd_get(const struct scpi_command *cmdtable,
 171                 int command);
 172 SR_PRIV int sr_scpi_cmd(const struct sr_dev_inst *sdi,
 173                 const struct scpi_command *cmdtable,
 174                 int channel_command, const char *channel_name,
 175                 int command, ...);
 176 SR_PRIV int sr_scpi_cmd_resp(const struct sr_dev_inst *sdi,
 177                 const struct scpi_command *cmdtable,
 178                 int channel_command, const char *channel_name,
 179                 GVariant **gvar, const GVariantType *gvtype, int command, ...);
 180
 181 /*--- GPIB only functions ---------------------------------------------------*/
 182
 183 #ifdef HAVE_LIBGPIB
 184 SR_PRIV int sr_scpi_gpib_spoll(struct sr_scpi_dev_inst *scpi, char *buf);
 185 #endif
 186
 187 #endif