libsigrok/src/hardware/colead-slm/api.c

139 lines
3.6 KiB
C

/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <glib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#include "protocol.h"
/* The Colead SL-5868P uses this. */
#define SERIALCOMM "2400/8n1"
static const uint32_t scanopts[] = {
SR_CONF_CONN,
SR_CONF_SERIALCOMM,
};
static const uint32_t drvopts[] = {
SR_CONF_SOUNDLEVELMETER,
};
static const uint32_t devopts[] = {
SR_CONF_CONTINUOUS,
SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
SR_CONF_LIMIT_MSEC | SR_CONF_SET,
};
static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct dev_context *devc;
struct sr_dev_inst *sdi;
struct sr_config *src;
GSList *l;
const char *conn, *serialcomm;
conn = serialcomm = NULL;
for (l = options; l; l = l->next) {
src = l->data;
switch (src->key) {
case SR_CONF_CONN:
conn = g_variant_get_string(src->data, NULL);
break;
case SR_CONF_SERIALCOMM:
serialcomm = g_variant_get_string(src->data, NULL);
break;
}
}
if (!conn)
return NULL;
if (!serialcomm)
serialcomm = SERIALCOMM;
sdi = g_malloc0(sizeof(struct sr_dev_inst));
sdi->status = SR_ST_INACTIVE;
sdi->vendor = g_strdup("Colead");
sdi->model = g_strdup("SL-5868P");
devc = g_malloc0(sizeof(struct dev_context));
sr_sw_limits_init(&devc->limits);
sdi->conn = sr_serial_dev_inst_new(conn, serialcomm);
sdi->inst_type = SR_INST_SERIAL;
sdi->priv = devc;
sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
return std_scan_complete(di, g_slist_append(NULL, sdi));
}
static int config_set(uint32_t key, GVariant *data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
struct dev_context *devc;
(void)cg;
devc = sdi->priv;
return sr_sw_limits_config_set(&devc->limits, key, data);
}
static int config_list(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
}
static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
struct dev_context *devc = sdi->priv;
struct sr_serial_dev_inst *serial;
sr_sw_limits_acquisition_start(&devc->limits);
std_session_send_df_header(sdi);
serial = sdi->conn;
serial_source_add(sdi->session, serial, G_IO_IN, 150,
colead_slm_receive_data, (void *)sdi);
return SR_OK;
}
static struct sr_dev_driver colead_slm_driver_info = {
.name = "colead-slm",
.longname = "Colead SLM",
.api_version = 1,
.init = std_init,
.cleanup = std_cleanup,
.scan = scan,
.dev_list = std_dev_list,
.dev_clear = std_dev_clear,
.config_get = NULL,
.config_set = config_set,
.config_list = config_list,
.dev_open = std_serial_dev_open,
.dev_close = std_serial_dev_close,
.dev_acquisition_start = dev_acquisition_start,
.dev_acquisition_stop = std_serial_dev_acquisition_stop,
.context = NULL,
};
SR_REGISTER_DEV_DRIVER(colead_slm_driver_info);