hardware/center-3xx/api.c

   1 /*
   2  * This file is part of the libsigrok project.
   3  *
   4  * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
   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 2 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, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include "protocol.h"
  22
  23 SR_PRIV struct sr_dev_driver center_3xx_driver_info;
  24 static struct sr_dev_driver *di = &center_3xx_driver_info;
  25
  26 static int init(struct sr_context *sr_ctx)
  27 {
  28         return std_init(sr_ctx, di, LOG_PREFIX);
  29 }
  30
  31 static GSList *scan(GSList *options)
  32 {
  33         struct drv_context *drvc;
  34         GSList *devices;
  35
  36         (void)options;
  37
  38         devices = NULL;
  39         drvc = di->priv;
  40         drvc->instances = NULL;
  41
  42         return devices;
  43 }
  44
  45 static GSList *dev_list(void)
  46 {
  47         return ((struct drv_context *)(di->priv))->instances;
  48 }
  49
  50 static int dev_clear(void)
  51 {
  52         return std_dev_clear(di, NULL);
  53 }
  54
  55 static int dev_open(struct sr_dev_inst *sdi)
  56 {
  57         (void)sdi;
  58
  59         sdi->status = SR_ST_ACTIVE;
  60
  61         return SR_OK;
  62 }
  63
  64 static int dev_close(struct sr_dev_inst *sdi)
  65 {
  66         (void)sdi;
  67
  68         sdi->status = SR_ST_INACTIVE;
  69
  70         return SR_OK;
  71 }
  72
  73 static int cleanup(void)
  74 {
  75         return dev_clear();
  76 }
  77
  78 static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi)
  79 {
  80         int ret;
  81
  82         (void)sdi;
  83         (void)data;
  84
  85         ret = SR_OK;
  86         switch (key) {
  87         default:
  88                 return SR_ERR_NA;
  89         }
  90
  91         return ret;
  92 }
  93
  94 static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi)
  95 {
  96         int ret;
  97
  98         (void)data;
  99
 100         if (sdi->status != SR_ST_ACTIVE)
 101                 return SR_ERR_DEV_CLOSED;
 102
 103         ret = SR_OK;
 104         switch (key) {
 105         default:
 106                 ret = SR_ERR_NA;
 107         }
 108
 109         return ret;
 110 }
 111
 112 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
 113 {
 114         int ret;
 115
 116         (void)sdi;
 117         (void)data;
 118
 119         ret = SR_OK;
 120         switch (key) {
 121         default:
 122                 return SR_ERR_NA;
 123         }
 124
 125         return ret;
 126 }
 127
 128 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 129                                  void *cb_data)
 130 {
 131         (void)sdi;
 132         (void)cb_data;
 133
 134         if (sdi->status != SR_ST_ACTIVE)
 135                 return SR_ERR_DEV_CLOSED;
 136
 137         return SR_OK;
 138 }
 139
 140 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 141 {
 142         (void)cb_data;
 143
 144         if (sdi->status != SR_ST_ACTIVE)
 145                 return SR_ERR_DEV_CLOSED;
 146
 147         return SR_OK;
 148 }
 149
 150 SR_PRIV struct sr_dev_driver center_3xx_driver_info = {
 151         .name = "center-3xx",
 152         .longname = "Center 3xx",
 153         .api_version = 1,
 154         .init = init,
 155         .cleanup = cleanup,
 156         .scan = scan,
 157         .dev_list = dev_list,
 158         .dev_clear = dev_clear,
 159         .config_get = config_get,
 160         .config_set = config_set,
 161         .config_list = config_list,
 162         .dev_open = dev_open,
 163         .dev_close = dev_close,
 164         .dev_acquisition_start = dev_acquisition_start,
 165         .dev_acquisition_stop = dev_acquisition_stop,
 166         .priv = NULL,
 167 };