src/hardware/tondaj-sl-814/api.c

   1 /*
   2  * This file is part of the libsigrok project.
   3  *
   4  * Copyright (C) 2012 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, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <config.h>
  21 #include <fcntl.h>
  22 #include <glib.h>
  23 #include <libsigrok/libsigrok.h>
  24 #include "libsigrok-internal.h"
  25 #include "protocol.h"
  26
  27 #define SERIALCOMM "9600/8e1"
  28
  29 static const uint32_t scanopts[] = {
  30         SR_CONF_CONN,
  31         SR_CONF_SERIALCOMM,
  32 };
  33
  34 static const uint32_t drvopts[] = {
  35         SR_CONF_SOUNDLEVELMETER,
  36 };
  37
  38 static const uint32_t devopts[] = {
  39         SR_CONF_CONTINUOUS,
  40         SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
  41         SR_CONF_LIMIT_MSEC | SR_CONF_SET,
  42 };
  43
  44 static GSList *scan(struct sr_dev_driver *di, GSList *options)
  45 {
  46         struct dev_context *devc;
  47         struct sr_dev_inst *sdi;
  48         struct sr_config *src;
  49         GSList *l;
  50         const char *conn, *serialcomm;
  51         struct sr_serial_dev_inst *serial;
  52
  53         conn = serialcomm = NULL;
  54         for (l = options; l; l = l->next) {
  55                 if (!(src = l->data)) {
  56                         sr_err("Invalid option data, skipping.");
  57                         continue;
  58                 }
  59                 switch (src->key) {
  60                 case SR_CONF_CONN:
  61                         conn = g_variant_get_string(src->data, NULL);
  62                         break;
  63                 case SR_CONF_SERIALCOMM:
  64                         serialcomm = g_variant_get_string(src->data, NULL);
  65                         break;
  66                 default:
  67                         sr_err("Unknown option %d, skipping.", src->key);
  68                         break;
  69                 }
  70         }
  71         if (!conn)
  72                 return NULL;
  73         if (!serialcomm)
  74                 serialcomm = SERIALCOMM;
  75
  76         sdi = g_malloc0(sizeof(struct sr_dev_inst));
  77         sdi->status = SR_ST_INACTIVE;
  78         sdi->vendor = g_strdup("Tondaj");
  79         sdi->model = g_strdup("SL-814");
  80         devc = g_malloc0(sizeof(struct dev_context));
  81         sr_sw_limits_init(&devc->limits);
  82
  83         serial = sr_serial_dev_inst_new(conn, serialcomm);
  84
  85         if (serial_open(serial, SERIAL_RDWR) != SR_OK) {
  86                 g_free(sdi);
  87                 return NULL;
  88         }
  89
  90         sdi->inst_type = SR_INST_SERIAL;
  91         sdi->conn = serial;
  92
  93         sdi->priv = devc;
  94         sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
  95
  96         return std_scan_complete(di, g_slist_append(NULL, sdi));
  97 }
  98
  99 static int config_set(uint32_t key, GVariant *data,
 100         const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 101 {
 102         struct dev_context *devc;
 103
 104         (void)cg;
 105
 106         devc = sdi->priv;
 107
 108         return sr_sw_limits_config_set(&devc->limits, key, data);
 109 }
 110
 111 static int config_list(uint32_t key, GVariant **data,
 112         const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 113 {
 114         return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
 115 }
 116
 117 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 118 {
 119         struct dev_context *devc = sdi->priv;
 120         struct sr_serial_dev_inst *serial;
 121
 122         std_session_send_df_header(sdi);
 123
 124         sr_sw_limits_acquisition_start(&devc->limits);
 125
 126         serial = sdi->conn;
 127         serial_source_add(sdi->session, serial, G_IO_IN, 500,
 128                       tondaj_sl_814_receive_data, (void *)sdi);
 129
 130         return SR_OK;
 131 }
 132
 133 static struct sr_dev_driver tondaj_sl_814_driver_info = {
 134         .name = "tondaj-sl-814",
 135         .longname = "Tondaj SL-814",
 136         .api_version = 1,
 137         .init = std_init,
 138         .cleanup = std_cleanup,
 139         .scan = scan,
 140         .dev_list = std_dev_list,
 141         .dev_clear = std_dev_clear,
 142         .config_get = NULL,
 143         .config_set = config_set,
 144         .config_list = config_list,
 145         .dev_open = std_serial_dev_open,
 146         .dev_close = std_serial_dev_close,
 147         .dev_acquisition_start = dev_acquisition_start,
 148         .dev_acquisition_stop = std_serial_dev_acquisition_stop,
 149         .context = NULL,
 150 };
 151 SR_REGISTER_DEV_DRIVER(tondaj_sl_814_driver_info);