2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
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.
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.
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/>.
21 #include "libsigrok.h"
22 #include "libsigrok-internal.h"
24 #include <sys/types.h>
30 /* The Colead SL-5868P uses this. */
31 #define SERIALCOMM "2400/8n1"
33 static const int32_t hwopts[] = {
38 static const int32_t hwcaps[] = {
39 SR_CONF_SOUNDLEVELMETER,
40 SR_CONF_LIMIT_SAMPLES,
45 SR_PRIV struct sr_dev_driver colead_slm_driver_info;
46 static struct sr_dev_driver *di = &colead_slm_driver_info;
48 static int init(struct sr_context *sr_ctx)
50 return std_init(sr_ctx, di, LOG_PREFIX);
53 static GSList *scan(GSList *options)
55 struct drv_context *drvc;
56 struct dev_context *devc;
57 struct sr_dev_inst *sdi;
58 struct sr_config *src;
59 struct sr_channel *ch;
61 const char *conn, *serialcomm;
64 drvc->instances = NULL;
68 conn = serialcomm = NULL;
69 for (l = options; l; l = l->next) {
73 conn = g_variant_get_string(src->data, NULL);
75 case SR_CONF_SERIALCOMM:
76 serialcomm = g_variant_get_string(src->data, NULL);
83 serialcomm = SERIALCOMM;
85 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Colead",
89 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
90 sr_dbg("Device context malloc failed.");
94 if (!(sdi->conn = sr_serial_dev_inst_new(conn, serialcomm)))
97 sdi->inst_type = SR_INST_SERIAL;
100 if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1")))
102 sdi->channels = g_slist_append(sdi->channels, ch);
103 drvc->instances = g_slist_append(drvc->instances, sdi);
104 devices = g_slist_append(devices, sdi);
109 static GSList *dev_list(void)
111 return ((struct drv_context *)(di->priv))->instances;
114 static int dev_open(struct sr_dev_inst *sdi)
116 struct sr_serial_dev_inst *serial;
119 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
122 sdi->status = SR_ST_ACTIVE;
127 static int cleanup(void)
129 return std_dev_clear(di, NULL);
132 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
133 const struct sr_channel_group *cg)
135 struct dev_context *devc;
139 if (sdi->status != SR_ST_ACTIVE)
140 return SR_ERR_DEV_CLOSED;
142 if (!(devc = sdi->priv)) {
143 sr_err("sdi->priv was NULL.");
148 case SR_CONF_LIMIT_MSEC:
149 /* TODO: not yet implemented */
150 if (g_variant_get_uint64(data) == 0) {
151 sr_err("LIMIT_MSEC can't be 0.");
154 devc->limit_msec = g_variant_get_uint64(data);;
155 sr_dbg("Setting time limit to %" PRIu64 "ms.",
158 case SR_CONF_LIMIT_SAMPLES:
159 devc->limit_samples = g_variant_get_uint64(data);
160 sr_dbg("Setting sample limit to %" PRIu64 ".",
161 devc->limit_samples);
170 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
171 const struct sr_channel_group *cg)
177 case SR_CONF_SCAN_OPTIONS:
178 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
179 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
181 case SR_CONF_DEVICE_OPTIONS:
182 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
183 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
192 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
194 struct dev_context *devc;
195 struct sr_serial_dev_inst *serial;
197 if (sdi->status != SR_ST_ACTIVE)
198 return SR_ERR_DEV_CLOSED;
200 if (!(devc = sdi->priv)) {
201 sr_err("sdi->priv was NULL.");
205 devc->cb_data = cb_data;
207 /* Send header packet to the session bus. */
208 std_session_send_df_header(cb_data, LOG_PREFIX);
210 /* Poll every 150ms, or whenever some data comes in. */
212 serial_source_add(sdi->session, serial, G_IO_IN, 150,
213 colead_slm_receive_data, (void *)sdi);
218 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
220 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
221 sdi->conn, LOG_PREFIX);
224 SR_PRIV struct sr_dev_driver colead_slm_driver_info = {
225 .name = "colead-slm",
226 .longname = "Colead SLM",
231 .dev_list = dev_list,
234 .config_set = config_set,
235 .config_list = config_list,
236 .dev_open = dev_open,
237 .dev_close = std_serial_dev_close,
238 .dev_acquisition_start = dev_acquisition_start,
239 .dev_acquisition_stop = dev_acquisition_stop,