2 * This file is part of the libsigrok project.
4 * Copyright (C) 2019 Dave Buechi <db@pflutsch.ch>
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 drvopts[] = {
32 static const uint32_t devopts[] = {
34 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
35 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
36 SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
39 static const char *channel_names[] = {
43 static const char *data_sources[] = {
47 static GSList *scan(struct sr_dev_driver *di, GSList *options)
49 struct dev_context *devc;
50 struct sr_serial_dev_inst *serial;
51 struct sr_dev_inst *sdi;
52 struct sr_config *src;
54 const char *conn, *serialcomm;
55 uint8_t buf[2 * MASTECH_MS6514_FRAME_SIZE];
60 conn = serialcomm = NULL;
61 for (l = options; l; l = l->next) {
65 conn = g_variant_get_string(src->data, NULL);
67 case SR_CONF_SERIALCOMM:
68 serialcomm = g_variant_get_string(src->data, NULL);
75 serialcomm = "9600/8n1";
77 serial = sr_serial_dev_inst_new(conn, serialcomm);
79 if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
82 sr_info("Probing serial port %s.", conn);
84 /* Let's get a bit of data and see if we can find a packet. */
85 if (serial_stream_detect(serial, buf, &len, (2 * MASTECH_MS6514_FRAME_SIZE),
86 mastech_ms6514_packet_valid, 500) != SR_OK)
89 sr_info("Found device on port %s.", conn);
91 sdi = g_malloc0(sizeof(struct sr_dev_inst));
92 sdi->status = SR_ST_INACTIVE;
93 sdi->vendor = g_strdup("MASTECH");
94 sdi->model = g_strdup("MS6514");
95 devc = g_malloc0(sizeof(struct dev_context));
96 devc->data_source = DEFAULT_DATA_SOURCE;
97 sdi->inst_type = SR_INST_SERIAL;
101 for (i = 0; i < ARRAY_SIZE(channel_names); i++)
102 sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]);
104 devices = g_slist_append(devices, sdi);
107 serial_close(serial);
109 return std_scan_complete(di, devices);
112 static int config_get(uint32_t key, GVariant **data,
113 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
115 struct dev_context *devc = sdi->priv;
120 case SR_CONF_LIMIT_SAMPLES:
121 case SR_CONF_LIMIT_MSEC:
122 return sr_sw_limits_config_get(&devc->limits, key, data);
123 case SR_CONF_DATA_SOURCE:
124 *data = g_variant_new_string(data_sources[devc->data_source]);
133 static int config_set(uint32_t key, GVariant *data,
134 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
136 struct dev_context *devc;
144 case SR_CONF_LIMIT_SAMPLES:
145 case SR_CONF_LIMIT_MSEC:
146 return sr_sw_limits_config_set(&devc->limits, key, data);
147 case SR_CONF_DATA_SOURCE:
148 if ((idx = std_str_idx(data, ARRAY_AND_SIZE(data_sources))) < 0)
150 devc->data_source = idx;
159 static int config_list(uint32_t key, GVariant **data,
160 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
163 case SR_CONF_SCAN_OPTIONS:
164 case SR_CONF_DEVICE_OPTIONS:
165 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
166 case SR_CONF_DATA_SOURCE:
167 *data = g_variant_new_strv(ARRAY_AND_SIZE(data_sources));
176 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
178 struct sr_serial_dev_inst *serial;
179 struct dev_context *devc;
185 sr_sw_limits_acquisition_start(&devc->limits);
186 std_session_send_df_header(sdi);
188 if (devc->data_source == DATA_SOURCE_MEMORY) {
189 command = CMD_GET_STORED;
190 serial_write_blocking(serial, &command, sizeof(command), 0);
193 serial_source_add(sdi->session, serial, G_IO_IN, MASTECH_MS6514_BUF_SIZE,
194 mastech_ms6514_receive_data, (void *)sdi);
199 static struct sr_dev_driver mastech_ms6514_driver_info = {
200 .name = "mastech-ms6514",
201 .longname = "MASTECH MS6514",
204 .cleanup = std_cleanup,
206 .dev_list = std_dev_list,
207 .dev_clear = std_dev_clear,
208 .config_get = config_get,
209 .config_set = config_set,
210 .config_list = config_list,
211 .dev_open = std_serial_dev_open,
212 .dev_close = std_serial_dev_close,
213 .dev_acquisition_start = dev_acquisition_start,
214 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
217 SR_REGISTER_DEV_DRIVER(mastech_ms6514_driver_info);