]> sigrok.org Git - libsigrok.git/blame_incremental - src/hardware/colead-slm/api.c
drivers: Always use same scanopts/drvopts/devopts/devopts_cg* order.
[libsigrok.git] / src / hardware / colead-slm / api.c
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1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
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 <glib.h>
22#include <sys/types.h>
23#include <sys/stat.h>
24#include <fcntl.h>
25#include <string.h>
26#include <libsigrok/libsigrok.h>
27#include "libsigrok-internal.h"
28#include "protocol.h"
29
30/* The Colead SL-5868P uses this. */
31#define SERIALCOMM "2400/8n1"
32
33static const uint32_t scanopts[] = {
34 SR_CONF_CONN,
35 SR_CONF_SERIALCOMM,
36};
37
38static const uint32_t devopts[] = {
39 SR_CONF_SOUNDLEVELMETER,
40 SR_CONF_CONTINUOUS,
41 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
42 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
43};
44
45static GSList *scan(struct sr_dev_driver *di, GSList *options)
46{
47 struct dev_context *devc;
48 struct sr_dev_inst *sdi;
49 struct sr_config *src;
50 GSList *l;
51 const char *conn, *serialcomm;
52
53 conn = serialcomm = NULL;
54 for (l = options; l; l = l->next) {
55 src = l->data;
56 switch (src->key) {
57 case SR_CONF_CONN:
58 conn = g_variant_get_string(src->data, NULL);
59 break;
60 case SR_CONF_SERIALCOMM:
61 serialcomm = g_variant_get_string(src->data, NULL);
62 break;
63 }
64 }
65 if (!conn)
66 return NULL;
67 if (!serialcomm)
68 serialcomm = SERIALCOMM;
69
70 sdi = g_malloc0(sizeof(struct sr_dev_inst));
71 sdi->status = SR_ST_INACTIVE;
72 sdi->vendor = g_strdup("Colead");
73 sdi->model = g_strdup("SL-5868P");
74 devc = g_malloc0(sizeof(struct dev_context));
75 sr_sw_limits_init(&devc->limits);
76 sdi->conn = sr_serial_dev_inst_new(conn, serialcomm);
77 sdi->inst_type = SR_INST_SERIAL;
78 sdi->priv = devc;
79 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
80
81 return std_scan_complete(di, g_slist_append(NULL, sdi));
82}
83
84static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
85 const struct sr_channel_group *cg)
86{
87 struct dev_context *devc;
88
89 (void)cg;
90
91 devc = sdi->priv;
92
93 return sr_sw_limits_config_set(&devc->limits, key, data);
94}
95
96static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
97 const struct sr_channel_group *cg)
98{
99 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, NULL, devopts);
100}
101
102static int dev_acquisition_start(const struct sr_dev_inst *sdi)
103{
104 struct dev_context *devc = sdi->priv;
105 struct sr_serial_dev_inst *serial;
106
107 sr_sw_limits_acquisition_start(&devc->limits);
108 std_session_send_df_header(sdi);
109
110 /* Poll every 150ms, or whenever some data comes in. */
111 serial = sdi->conn;
112 serial_source_add(sdi->session, serial, G_IO_IN, 150,
113 colead_slm_receive_data, (void *)sdi);
114
115 return SR_OK;
116}
117
118static struct sr_dev_driver colead_slm_driver_info = {
119 .name = "colead-slm",
120 .longname = "Colead SLM",
121 .api_version = 1,
122 .init = std_init,
123 .cleanup = std_cleanup,
124 .scan = scan,
125 .dev_list = std_dev_list,
126 .dev_clear = std_dev_clear,
127 .config_get = NULL,
128 .config_set = config_set,
129 .config_list = config_list,
130 .dev_open = std_serial_dev_open,
131 .dev_close = std_serial_dev_close,
132 .dev_acquisition_start = dev_acquisition_start,
133 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
134 .context = NULL,
135};
136SR_REGISTER_DEV_DRIVER(colead_slm_driver_info);