hardware/manson-hcs-3xxx/api.c

   1 /*
   2  * This file is part of the libsigrok project.
   3  *
   4  * Copyright (C) 2014 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 manson_hcs_3xxx_driver_info;
  24 static struct sr_dev_driver *di = &manson_hcs_3xxx_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                 const struct sr_channel_group *cg)
  80 {
  81         int ret;
  82
  83         (void)sdi;
  84         (void)data;
  85         (void)cg;
  86
  87         ret = SR_OK;
  88         switch (key) {
  89         default:
  90                 return SR_ERR_NA;
  91         }
  92
  93         return ret;
  94 }
  95
  96 static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
  97                 const struct sr_channel_group *cg)
  98 {
  99         int ret;
 100
 101         (void)data;
 102         (void)cg;
 103
 104         if (sdi->status != SR_ST_ACTIVE)
 105                 return SR_ERR_DEV_CLOSED;
 106
 107         ret = SR_OK;
 108         switch (key) {
 109         default:
 110                 ret = SR_ERR_NA;
 111         }
 112
 113         return ret;
 114 }
 115
 116 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
 117                 const struct sr_channel_group *cg)
 118 {
 119         int ret;
 120
 121         (void)sdi;
 122         (void)data;
 123         (void)cg;
 124
 125         ret = SR_OK;
 126         switch (key) {
 127         default:
 128                 return SR_ERR_NA;
 129         }
 130
 131         return ret;
 132 }
 133
 134 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 135                                     void *cb_data)
 136 {
 137         (void)sdi;
 138         (void)cb_data;
 139
 140         if (sdi->status != SR_ST_ACTIVE)
 141                 return SR_ERR_DEV_CLOSED;
 142
 143         return SR_OK;
 144 }
 145
 146 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 147 {
 148         (void)cb_data;
 149
 150         if (sdi->status != SR_ST_ACTIVE)
 151                 return SR_ERR_DEV_CLOSED;
 152
 153         return SR_OK;
 154 }
 155
 156 SR_PRIV struct sr_dev_driver manson_hcs_3xxx_driver_info = {
 157         .name = "manson-hcs-3xxx",
 158         .longname = "Manson HCS-3xxx",
 159         .api_version = 1,
 160         .init = init,
 161         .cleanup = cleanup,
 162         .scan = scan,
 163         .dev_list = dev_list,
 164         .dev_clear = dev_clear,
 165         .config_get = config_get,
 166         .config_set = config_set,
 167         .config_list = config_list,
 168         .dev_open = dev_open,
 169         .dev_close = dev_close,
 170         .dev_acquisition_start = dev_acquisition_start,
 171         .dev_acquisition_stop = dev_acquisition_stop,
 172         .priv = NULL,
 173 };