2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.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/>.
23 static const uint32_t scanopts[] = {
28 static const uint32_t devopts[] = {
31 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
32 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
35 static GSList *brymen_scan(struct sr_dev_driver *di, const char *conn,
36 const char *serialcomm)
38 struct sr_dev_inst *sdi;
39 struct dev_context *devc;
40 struct sr_serial_dev_inst *serial;
46 serial = sr_serial_dev_inst_new(conn, serialcomm);
48 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
51 sr_info("Probing port %s.", conn);
56 if ((ret = brymen_packet_request(serial)) < 0) {
57 sr_err("Unable to send command: %d.", ret);
62 ret = brymen_stream_detect(serial, buf, &len, brymen_packet_length,
63 brymen_packet_is_valid, 1000, 9600);
67 sr_info("Found device on port %s.", conn);
69 sdi = g_malloc0(sizeof(struct sr_dev_inst));
70 sdi->status = SR_ST_INACTIVE;
71 sdi->vendor = g_strdup("Brymen");
72 sdi->model = g_strdup("BM85x");
73 devc = g_malloc0(sizeof(struct dev_context));
74 sr_sw_limits_init(&devc->sw_limits);
75 sdi->inst_type = SR_INST_SERIAL;
78 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
79 devices = g_slist_append(devices, sdi);
84 return std_scan_complete(di, devices);
87 static GSList *scan(struct sr_dev_driver *di, GSList *options)
89 struct sr_config *src;
91 const char *conn, *serialcomm;
95 conn = serialcomm = NULL;
96 for (l = options; l; l = l->next) {
100 conn = g_variant_get_string(src->data, NULL);
102 case SR_CONF_SERIALCOMM:
103 serialcomm = g_variant_get_string(src->data, NULL);
111 /* Use the provided comm specs. */
112 devices = brymen_scan(di, conn, serialcomm);
114 /* But 9600/8n1 should work all of the time. */
115 devices = brymen_scan(di, conn, "9600/8n1/dtr=1/rts=1");
121 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
122 const struct sr_channel_group *cg)
124 struct dev_context *devc;
128 if (sdi->status != SR_ST_ACTIVE)
129 return SR_ERR_DEV_CLOSED;
133 return sr_sw_limits_config_set(&devc->sw_limits, key, data);
136 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
137 const struct sr_channel_group *cg)
143 case SR_CONF_SCAN_OPTIONS:
144 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
145 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
147 case SR_CONF_DEVICE_OPTIONS:
148 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
149 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
158 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
160 struct dev_context *devc;
161 struct sr_serial_dev_inst *serial;
163 if (sdi->status != SR_ST_ACTIVE)
164 return SR_ERR_DEV_CLOSED;
168 sr_sw_limits_acquisition_start(&devc->sw_limits);
169 std_session_send_df_header(sdi);
171 /* Poll every 50ms, or whenever some data comes in. */
173 serial_source_add(sdi->session, serial, G_IO_IN, 50,
174 brymen_dmm_receive_data, (void *)sdi);
179 static struct sr_dev_driver brymen_bm857_driver_info = {
180 .name = "brymen-bm857",
181 .longname = "Brymen BM857",
184 .cleanup = std_cleanup,
186 .dev_list = std_dev_list,
189 .config_set = config_set,
190 .config_list = config_list,
191 .dev_open = std_serial_dev_open,
192 .dev_close = std_serial_dev_close,
193 .dev_acquisition_start = dev_acquisition_start,
194 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
197 SR_REGISTER_DEV_DRIVER(brymen_bm857_driver_info);