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 drv_context *drvc;
41 struct sr_serial_dev_inst *serial;
47 serial = sr_serial_dev_inst_new(conn, serialcomm);
49 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
52 sr_info("Probing port %s.", conn);
57 if ((ret = brymen_packet_request(serial)) < 0) {
58 sr_err("Unable to send command: %d.", ret);
63 ret = brymen_stream_detect(serial, buf, &len, brymen_packet_length,
64 brymen_packet_is_valid, 1000, 9600);
68 sr_info("Found device on port %s.", conn);
70 sdi = g_malloc0(sizeof(struct sr_dev_inst));
71 sdi->status = SR_ST_INACTIVE;
72 sdi->vendor = g_strdup("Brymen");
73 sdi->model = g_strdup("BM85x");
74 devc = g_malloc0(sizeof(struct dev_context));
75 sr_sw_limits_init(&devc->sw_limits);
76 sdi->inst_type = SR_INST_SERIAL;
81 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
82 drvc->instances = g_slist_append(drvc->instances, sdi);
83 devices = g_slist_append(devices, sdi);
91 static GSList *scan(struct sr_dev_driver *di, GSList *options)
93 struct drv_context *drvc;
94 struct sr_config *src;
96 const char *conn, *serialcomm;
100 drvc->instances = NULL;
102 conn = serialcomm = NULL;
103 for (l = options; l; l = l->next) {
107 conn = g_variant_get_string(src->data, NULL);
109 case SR_CONF_SERIALCOMM:
110 serialcomm = g_variant_get_string(src->data, NULL);
118 /* Use the provided comm specs. */
119 devices = brymen_scan(di, conn, serialcomm);
121 /* But 9600/8n1 should work all of the time. */
122 devices = brymen_scan(di, conn, "9600/8n1/dtr=1/rts=1");
128 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
129 const struct sr_channel_group *cg)
131 struct dev_context *devc;
135 if (sdi->status != SR_ST_ACTIVE)
136 return SR_ERR_DEV_CLOSED;
140 return sr_sw_limits_config_set(&devc->sw_limits, key, data);
143 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
144 const struct sr_channel_group *cg)
150 case SR_CONF_SCAN_OPTIONS:
151 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
152 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
154 case SR_CONF_DEVICE_OPTIONS:
155 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
156 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
165 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
167 struct dev_context *devc;
168 struct sr_serial_dev_inst *serial;
170 if (sdi->status != SR_ST_ACTIVE)
171 return SR_ERR_DEV_CLOSED;
175 sr_sw_limits_acquisition_start(&devc->sw_limits);
176 std_session_send_df_header(sdi, LOG_PREFIX);
178 /* Poll every 50ms, or whenever some data comes in. */
180 serial_source_add(sdi->session, serial, G_IO_IN, 50,
181 brymen_dmm_receive_data, (void *)sdi);
186 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
188 return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
189 sdi->conn, LOG_PREFIX);
192 static struct sr_dev_driver brymen_bm857_driver_info = {
193 .name = "brymen-bm857",
194 .longname = "Brymen BM857",
197 .cleanup = std_cleanup,
199 .dev_list = std_dev_list,
202 .config_set = config_set,
203 .config_list = config_list,
204 .dev_open = std_serial_dev_open,
205 .dev_close = std_serial_dev_close,
206 .dev_acquisition_start = dev_acquisition_start,
207 .dev_acquisition_stop = dev_acquisition_stop,
210 SR_REGISTER_DEV_DRIVER(brymen_bm857_driver_info);