]> sigrok.org Git - libsigrok.git/blame_incremental - src/hardware/tondaj-sl-814/api.c
Introduce standard implementation of the dev_list() callback
[libsigrok.git] / src / hardware / tondaj-sl-814 / api.c
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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, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include <config.h>
22#include <fcntl.h>
23#include <glib.h>
24#include <libsigrok/libsigrok.h>
25#include "libsigrok-internal.h"
26#include "protocol.h"
27
28#define SERIALCOMM "9600/8e1"
29
30static const uint32_t scanopts[] = {
31 SR_CONF_CONN,
32 SR_CONF_SERIALCOMM,
33};
34
35static const uint32_t devopts[] = {
36 SR_CONF_SOUNDLEVELMETER,
37 SR_CONF_CONTINUOUS,
38 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
39};
40
41SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
42
43static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
44{
45 return std_init(sr_ctx, di, LOG_PREFIX);
46}
47
48static GSList *scan(struct sr_dev_driver *di, GSList *options)
49{
50 struct drv_context *drvc;
51 struct dev_context *devc;
52 struct sr_dev_inst *sdi;
53 struct sr_config *src;
54 GSList *devices, *l;
55 const char *conn, *serialcomm;
56 struct sr_serial_dev_inst *serial;
57
58 drvc = di->context;
59 drvc->instances = NULL;
60
61 devices = NULL;
62
63 conn = serialcomm = NULL;
64 for (l = options; l; l = l->next) {
65 if (!(src = l->data)) {
66 sr_err("Invalid option data, skipping.");
67 continue;
68 }
69 switch (src->key) {
70 case SR_CONF_CONN:
71 conn = g_variant_get_string(src->data, NULL);
72 break;
73 case SR_CONF_SERIALCOMM:
74 serialcomm = g_variant_get_string(src->data, NULL);
75 break;
76 default:
77 sr_err("Unknown option %d, skipping.", src->key);
78 break;
79 }
80 }
81 if (!conn)
82 return NULL;
83 if (!serialcomm)
84 serialcomm = SERIALCOMM;
85
86 sdi = g_malloc0(sizeof(struct sr_dev_inst));
87 sdi->status = SR_ST_INACTIVE;
88 sdi->vendor = g_strdup("Tondaj");
89 sdi->model = g_strdup("SL-814");
90 devc = g_malloc0(sizeof(struct dev_context));
91
92 serial = sr_serial_dev_inst_new(conn, serialcomm);
93
94 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
95 return NULL;
96
97 sdi->inst_type = SR_INST_SERIAL;
98 sdi->conn = serial;
99
100 sdi->priv = devc;
101 sdi->driver = di;
102 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
103 drvc->instances = g_slist_append(drvc->instances, sdi);
104 devices = g_slist_append(devices, sdi);
105
106 return devices;
107}
108
109static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
110 const struct sr_channel_group *cg)
111{
112 struct dev_context *devc;
113
114 (void)cg;
115
116 if (sdi->status != SR_ST_ACTIVE)
117 return SR_ERR_DEV_CLOSED;
118
119 devc = sdi->priv;
120
121 switch (key) {
122 case SR_CONF_LIMIT_SAMPLES:
123 devc->limit_samples = g_variant_get_uint64(data);
124 break;
125 default:
126 return SR_ERR_NA;
127 }
128
129 return SR_OK;
130}
131
132static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
133 const struct sr_channel_group *cg)
134{
135 (void)sdi;
136 (void)cg;
137
138 switch (key) {
139 case SR_CONF_SCAN_OPTIONS:
140 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
141 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
142 break;
143 case SR_CONF_DEVICE_OPTIONS:
144 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
145 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
146 break;
147 default:
148 return SR_ERR_NA;
149 }
150
151 return SR_OK;
152}
153
154static int dev_acquisition_start(const struct sr_dev_inst *sdi)
155{
156 struct sr_serial_dev_inst *serial;
157
158 if (sdi->status != SR_ST_ACTIVE)
159 return SR_ERR_DEV_CLOSED;
160
161 std_session_send_df_header(sdi, LOG_PREFIX);
162
163 /* Poll every 500ms, or whenever some data comes in. */
164 serial = sdi->conn;
165 serial_source_add(sdi->session, serial, G_IO_IN, 500,
166 tondaj_sl_814_receive_data, (void *)sdi);
167
168 return SR_OK;
169}
170
171static int dev_acquisition_stop(struct sr_dev_inst *sdi)
172{
173 return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
174 sdi->conn, LOG_PREFIX);
175}
176
177SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
178 .name = "tondaj-sl-814",
179 .longname = "Tondaj SL-814",
180 .api_version = 1,
181 .init = init,
182 .cleanup = std_cleanup,
183 .scan = scan,
184 .dev_list = std_dev_list,
185 .dev_clear = NULL,
186 .config_get = NULL,
187 .config_set = config_set,
188 .config_list = config_list,
189 .dev_open = std_serial_dev_open,
190 .dev_close = std_serial_dev_close,
191 .dev_acquisition_start = dev_acquisition_start,
192 .dev_acquisition_stop = dev_acquisition_stop,
193 .context = NULL,
194};