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 SR_PRIV struct sr_dev_driver brymen_bm857_driver_info;
36 static struct sr_dev_driver *di = &brymen_bm857_driver_info;
38 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
40 return std_init(di, sr_ctx);
43 static GSList *brymen_scan(const char *conn, const char *serialcomm)
45 struct sr_dev_inst *sdi;
46 struct dev_context *devc;
47 struct drv_context *drvc;
48 struct sr_serial_dev_inst *serial;
54 serial = sr_serial_dev_inst_new(conn, serialcomm);
56 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
59 sr_info("Probing port %s.", conn);
64 if ((ret = brymen_packet_request(serial)) < 0) {
65 sr_err("Unable to send command: %d.", ret);
70 ret = brymen_stream_detect(serial, buf, &len, brymen_packet_length,
71 brymen_packet_is_valid, 1000, 9600);
75 sr_info("Found device on port %s.", conn);
77 sdi = g_malloc0(sizeof(struct sr_dev_inst));
78 sdi->status = SR_ST_INACTIVE;
79 sdi->vendor = g_strdup("Brymen");
80 sdi->model = g_strdup("BM85x");
81 devc = g_malloc0(sizeof(struct dev_context));
82 sr_sw_limits_init(&devc->sw_limits);
83 sdi->inst_type = SR_INST_SERIAL;
88 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
89 drvc->instances = g_slist_append(drvc->instances, sdi);
90 devices = g_slist_append(devices, sdi);
98 static GSList *scan(struct sr_dev_driver *di, GSList *options)
100 struct drv_context *drvc;
101 struct sr_config *src;
103 const char *conn, *serialcomm;
107 drvc->instances = NULL;
109 conn = serialcomm = NULL;
110 for (l = options; l; l = l->next) {
114 conn = g_variant_get_string(src->data, NULL);
116 case SR_CONF_SERIALCOMM:
117 serialcomm = g_variant_get_string(src->data, NULL);
125 /* Use the provided comm specs. */
126 devices = brymen_scan(conn, serialcomm);
128 /* But 9600/8n1 should work all of the time. */
129 devices = brymen_scan(conn, "9600/8n1/dtr=1/rts=1");
135 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
136 const struct sr_channel_group *cg)
138 struct dev_context *devc;
142 if (sdi->status != SR_ST_ACTIVE)
143 return SR_ERR_DEV_CLOSED;
145 if (!(devc = sdi->priv)) {
146 sr_err("sdi->priv was NULL.");
150 return sr_sw_limits_config_set(&devc->sw_limits, key, data);
153 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
154 const struct sr_channel_group *cg)
160 case SR_CONF_SCAN_OPTIONS:
161 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
162 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
164 case SR_CONF_DEVICE_OPTIONS:
165 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
166 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
175 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
177 struct dev_context *devc;
178 struct sr_serial_dev_inst *serial;
180 if (sdi->status != SR_ST_ACTIVE)
181 return SR_ERR_DEV_CLOSED;
185 sr_sw_limits_acquisition_start(&devc->sw_limits);
186 std_session_send_df_header(sdi, LOG_PREFIX);
188 /* Poll every 50ms, or whenever some data comes in. */
190 serial_source_add(sdi->session, serial, G_IO_IN, 50,
191 brymen_dmm_receive_data, (void *)sdi);
196 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
198 return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
199 sdi->conn, LOG_PREFIX);
202 SR_PRIV struct sr_dev_driver brymen_bm857_driver_info = {
203 .name = "brymen-bm857",
204 .longname = "Brymen BM857",
207 .cleanup = std_cleanup,
209 .dev_list = std_dev_list,
212 .config_set = config_set,
213 .config_list = config_list,
214 .dev_open = std_serial_dev_open,
215 .dev_close = std_serial_dev_close,
216 .dev_acquisition_start = dev_acquisition_start,
217 .dev_acquisition_stop = dev_acquisition_stop,