src/hardware/hp-59306a/api.c

   1 /*
   2  * This file is part of the libsigrok project.
   3  *
   4  * Copyright (C) 2021 Frank Stettner <frank-stettner@gmx.net>
   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 #include <config.h>
  21 #include "scpi.h"
  22 #include "protocol.h"
  23
  24 static const uint32_t scanopts[] = {
  25         SR_CONF_CONN,
  26 };
  27
  28 static const uint32_t drvopts[] = {
  29         SR_CONF_MULTIPLEXER,
  30 };
  31
  32 static const uint32_t devopts[] = {
  33         /*
  34          * TODO Enable/disable multiple channel groups at once.
  35          * SR_CONF_ENABLED | SR_CONF_SET,
  36          */
  37 };
  38
  39 static const uint32_t devopts_cg[] = {
  40         SR_CONF_ENABLED | SR_CONF_SET,
  41 };
  42
  43 static struct sr_dev_driver hp_59306a_driver_info;
  44
  45 static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
  46 {
  47         struct sr_dev_inst *sdi;
  48         struct dev_context *devc;
  49         struct channel_group_context *cgc;
  50         size_t idx, nr;
  51         struct sr_channel_group *cg;
  52
  53         sdi = g_malloc0(sizeof(*sdi));
  54         sdi->vendor = g_strdup("Hewlett-Packard");
  55         sdi->model = g_strdup("59306A");
  56         sdi->conn = scpi;
  57         sdi->driver = &hp_59306a_driver_info;
  58         sdi->inst_type = SR_INST_SCPI;
  59
  60         devc = g_malloc0(sizeof(*devc));
  61         sdi->priv = devc;
  62
  63         devc->channel_count = 6;
  64         for (idx = 0; idx < devc->channel_count; idx++) {
  65                 nr = idx + 1;
  66
  67                 cg = g_malloc0(sizeof(*cg));
  68                 cg->name = g_strdup_printf("CH%zu", nr);
  69
  70                 cgc = g_malloc0(sizeof(*cgc));
  71                 cgc->number = nr;
  72                 cg->priv = cgc;
  73
  74                 sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
  75         }
  76
  77         return sdi;
  78 }
  79
  80 static GSList *scan(struct sr_dev_driver *di, GSList *options)
  81 {
  82         return sr_scpi_scan(di->context, options, probe_device);
  83 }
  84
  85 static int dev_open(struct sr_dev_inst *sdi)
  86 {
  87         return sr_scpi_open(sdi->conn);
  88 }
  89
  90 static int dev_close(struct sr_dev_inst *sdi)
  91 {
  92         return sr_scpi_close(sdi->conn);
  93 }
  94
  95 static int config_set(uint32_t key, GVariant *data,
  96         const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
  97 {
  98         gboolean on;
  99
 100         if (!cg) {
 101                 switch (key) {
 102                 /* TODO: Enable/disbale multiple channel groups at once. */
 103                 case SR_CONF_ENABLED:
 104                 default:
 105                         return SR_ERR_NA;
 106                 }
 107         } else {
 108                 switch (key) {
 109                 case SR_CONF_ENABLED:
 110                         on = g_variant_get_boolean(data);
 111                         return hp_59306a_switch_cg(sdi, cg, on);
 112                 default:
 113                         return SR_ERR_NA;
 114                 }
 115         }
 116
 117         return SR_OK;
 118 }
 119
 120 static int config_list(uint32_t key, GVariant **data,
 121         const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 122 {
 123         if (!cg) {
 124                 switch (key) {
 125                 case SR_CONF_SCAN_OPTIONS:
 126                 case SR_CONF_DEVICE_OPTIONS:
 127                         return STD_CONFIG_LIST(key, data, sdi, cg,
 128                                 scanopts, drvopts, devopts);
 129                 default:
 130                         return SR_ERR_NA;
 131                 }
 132         } else {
 133                 switch (key) {
 134                 case SR_CONF_DEVICE_OPTIONS:
 135                         *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg));
 136                         break;
 137                 default:
 138                         return SR_ERR_NA;
 139                 }
 140         }
 141
 142         return SR_OK;
 143 }
 144
 145 static struct sr_dev_driver hp_59306a_driver_info = {
 146         .name = "hp-59306a",
 147         .longname = "hp-59306a",
 148         .api_version = 1,
 149         .init = std_init,
 150         .cleanup = std_cleanup,
 151         .scan = scan,
 152         .dev_list = std_dev_list,
 153         .dev_clear = std_dev_clear,
 154         .config_get = NULL,
 155         .config_set = config_set,
 156         .config_list = config_list,
 157         .dev_open = dev_open,
 158         .dev_close = dev_close,
 159         .dev_acquisition_start = std_dummy_dev_acquisition_start,
 160         .dev_acquisition_stop = std_dummy_dev_acquisition_stop,
 161         .context = NULL,
 162 };
 163 SR_REGISTER_DEV_DRIVER(hp_59306a_driver_info);