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);
86 /* Let's get a bit of data and see if we can find a packet. */
87 if (serial_stream_detect(serial, buf, &len, (2 * MASTECH_MS6514_FRAME_SIZE),
88 mastech_ms6514_packet_valid, 500) != SR_OK)
91 sr_info("Found device on port %s.", conn);
93 sdi = g_malloc0(sizeof(struct sr_dev_inst));
94 sdi->status = SR_ST_INACTIVE;
95 sdi->vendor = g_strdup("MASTECH");
96 sdi->model = g_strdup("MS6514");
97 devc = g_malloc0(sizeof(struct dev_context));
98 devc->data_source = DEFAULT_DATA_SOURCE;
99 sdi->inst_type = SR_INST_SERIAL;
103 for (i = 0; i < ARRAY_SIZE(channel_names); i++)
104 sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]);
106 devices = g_slist_append(devices, sdi);
109 serial_close(serial);
111 return std_scan_complete(di, devices);
114 static int config_get(uint32_t key, GVariant **data,
115 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
117 struct dev_context *devc = sdi->priv;
122 case SR_CONF_LIMIT_SAMPLES:
123 case SR_CONF_LIMIT_MSEC:
124 return sr_sw_limits_config_get(&devc->limits, key, data);
125 case SR_CONF_DATA_SOURCE:
126 *data = g_variant_new_string(data_sources[devc->data_source]);
135 static int config_set(uint32_t key, GVariant *data,
136 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
138 struct dev_context *devc;
146 case SR_CONF_LIMIT_SAMPLES:
147 case SR_CONF_LIMIT_MSEC:
148 return sr_sw_limits_config_set(&devc->limits, key, data);
149 case SR_CONF_DATA_SOURCE:
150 if ((idx = std_str_idx(data, ARRAY_AND_SIZE(data_sources))) < 0)
152 devc->data_source = idx;
161 static int config_list(uint32_t key, GVariant **data,
162 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
165 case SR_CONF_SCAN_OPTIONS:
166 case SR_CONF_DEVICE_OPTIONS:
167 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
168 case SR_CONF_DATA_SOURCE:
169 *data = g_variant_new_strv(ARRAY_AND_SIZE(data_sources));
178 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
180 struct sr_serial_dev_inst *serial;
181 struct dev_context *devc;
187 sr_sw_limits_acquisition_start(&devc->limits);
188 std_session_send_df_header(sdi);
190 if (devc->data_source == DATA_SOURCE_MEMORY) {
191 command = CMD_GET_STORED;
192 serial_write_blocking(serial, &command, sizeof(command), 0);
195 serial_source_add(sdi->session, serial, G_IO_IN, MASTECH_MS6514_BUF_SIZE,
196 mastech_ms6514_receive_data, (void *)sdi);
201 static struct sr_dev_driver mastech_ms6514_driver_info = {
202 .name = "mastech-ms6514",
203 .longname = "MASTECH MS6514",
206 .cleanup = std_cleanup,
208 .dev_list = std_dev_list,
209 .dev_clear = std_dev_clear,
210 .config_get = config_get,
211 .config_set = config_set,
212 .config_list = config_list,
213 .dev_open = std_serial_dev_open,
214 .dev_close = std_serial_dev_close,
215 .dev_acquisition_start = dev_acquisition_start,
216 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
219 SR_REGISTER_DEV_DRIVER(mastech_ms6514_driver_info);