2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
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 2 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, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 static const uint32_t scanopts[] = {
28 static const uint32_t drvopts_temp[] = {
32 static const uint32_t drvopts_temp_hum[] = {
37 static const uint32_t devopts[] = {
38 SR_CONF_CONTINUOUS | SR_CONF_SET,
39 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
40 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
43 SR_PRIV struct sr_dev_driver mic_98581_driver_info;
44 SR_PRIV struct sr_dev_driver mic_98583_driver_info;
46 SR_PRIV const struct mic_dev_info mic_devs[] = {
48 "MIC", "98581", "38400/8n2", 32000, TRUE, FALSE, 6,
50 &mic_98581_driver_info, receive_data_MIC_98581,
53 "MIC", "98583", "38400/8n2", 32000, TRUE, TRUE, 10,
54 packet_valid_temp_hum,
55 &mic_98583_driver_info, receive_data_MIC_98583,
59 static int dev_clear(int idx)
61 return std_dev_clear(mic_devs[idx].di, NULL);
64 static int init(struct sr_context *sr_ctx, int idx)
66 return std_init(sr_ctx, mic_devs[idx].di, LOG_PREFIX);
69 static GSList *mic_scan(const char *conn, const char *serialcomm, int idx)
71 struct sr_dev_inst *sdi;
72 struct drv_context *drvc;
73 struct dev_context *devc;
74 struct sr_channel *ch;
75 struct sr_serial_dev_inst *serial;
78 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
81 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
84 drvc = mic_devs[idx].di->priv;
88 /* TODO: Query device type. */
89 // ret = mic_cmd_get_device_info(serial);
91 sr_info("Found device on port %s.", conn);
93 /* TODO: Fill in version from protocol response. */
94 sdi = g_malloc0(sizeof(struct sr_dev_inst));
95 sdi->status = SR_ST_INACTIVE;
96 sdi->vendor = g_strdup(mic_devs[idx].vendor);
97 sdi->model = g_strdup(mic_devs[idx].device);
99 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
100 sr_err("Device context malloc failed.");
104 sdi->inst_type = SR_INST_SERIAL;
108 sdi->driver = mic_devs[idx].di;
110 if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "Temperature")))
112 sdi->channels = g_slist_append(sdi->channels, ch);
114 if (mic_devs[idx].has_humidity) {
115 if (!(ch = sr_channel_new(1, SR_CHANNEL_ANALOG, TRUE, "Humidity")))
117 sdi->channels = g_slist_append(sdi->channels, ch);
120 drvc->instances = g_slist_append(drvc->instances, sdi);
121 devices = g_slist_append(devices, sdi);
124 serial_close(serial);
129 static GSList *scan(GSList *options, int idx)
131 struct sr_config *src;
133 const char *conn, *serialcomm;
135 conn = serialcomm = NULL;
136 for (l = options; l; l = l->next) {
140 conn = g_variant_get_string(src->data, NULL);
142 case SR_CONF_SERIALCOMM:
143 serialcomm = g_variant_get_string(src->data, NULL);
151 /* Use the provided comm specs. */
152 devices = mic_scan(conn, serialcomm, idx);
154 /* Try the default. */
155 devices = mic_scan(conn, mic_devs[idx].conn, idx);
161 static GSList *dev_list(int idx)
163 return ((struct drv_context *)(mic_devs[idx].di->priv))->instances;
166 static int cleanup(int idx)
168 return dev_clear(idx);
171 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
172 const struct sr_channel_group *cg)
174 struct dev_context *devc;
178 if (sdi->status != SR_ST_ACTIVE)
179 return SR_ERR_DEV_CLOSED;
184 case SR_CONF_LIMIT_SAMPLES:
185 devc->limit_samples = g_variant_get_uint64(data);
186 sr_dbg("Setting sample limit to %" PRIu64 ".",
187 devc->limit_samples);
189 case SR_CONF_LIMIT_MSEC:
190 devc->limit_msec = g_variant_get_uint64(data);
191 sr_dbg("Setting time limit to %" PRIu64 "ms.",
201 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
202 const struct sr_channel_group *cg, int idx)
207 case SR_CONF_SCAN_OPTIONS:
208 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
209 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
211 case SR_CONF_DEVICE_OPTIONS:
212 if (!sdi && !mic_devs[idx].has_humidity) {
213 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
214 drvopts_temp, ARRAY_SIZE(drvopts_temp),
216 } else if (!sdi && mic_devs[idx].has_humidity) {
217 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
218 drvopts_temp_hum, ARRAY_SIZE(drvopts_temp_hum),
221 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
222 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
232 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
233 void *cb_data, int idx)
235 struct dev_context *devc;
236 struct sr_serial_dev_inst *serial;
238 if (sdi->status != SR_ST_ACTIVE)
239 return SR_ERR_DEV_CLOSED;
242 devc->cb_data = cb_data;
243 devc->num_samples = 0;
244 devc->starttime = g_get_monotonic_time();
246 /* Send header packet to the session bus. */
247 std_session_send_df_header(cb_data, LOG_PREFIX);
249 /* Poll every 100ms, or whenever some data comes in. */
251 serial_source_add(sdi->session, serial, G_IO_IN, 100,
252 mic_devs[idx].receive_data, (void *)sdi);
257 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
259 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
260 sdi->conn, LOG_PREFIX);
263 /* Driver-specific API function wrappers */
265 static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
266 #define HW_CLEANUP(X) \
267 static int cleanup_##X(void) { return cleanup(X); }
269 static GSList *scan_##X(GSList *options) { return scan(options, X); }
270 #define HW_DEV_LIST(X) \
271 static GSList *dev_list_##X(void) { return dev_list(X); }
272 #define HW_DEV_CLEAR(X) \
273 static int dev_clear_##X(void) { return dev_clear(X); }
274 #define HW_CONFIG_LIST(X) \
275 static int config_list_##X(uint32_t key, GVariant **data, \
276 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { \
277 return config_list(key, data, sdi, cg, X); }
278 #define HW_DEV_ACQUISITION_START(X) \
279 static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
280 void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
282 /* Driver structs and API function wrappers */
283 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
285 HW_CLEANUP(ID_UPPER) \
287 HW_DEV_LIST(ID_UPPER) \
288 HW_DEV_CLEAR(ID_UPPER) \
289 HW_CONFIG_LIST(ID_UPPER) \
290 HW_DEV_ACQUISITION_START(ID_UPPER) \
291 SR_PRIV struct sr_dev_driver ID##_driver_info = { \
293 .longname = LONGNAME, \
295 .init = init_##ID_UPPER, \
296 .cleanup = cleanup_##ID_UPPER, \
297 .scan = scan_##ID_UPPER, \
298 .dev_list = dev_list_##ID_UPPER, \
299 .dev_clear = dev_clear_##ID_UPPER, \
300 .config_get = NULL, \
301 .config_set = config_set, \
302 .config_list = config_list_##ID_UPPER, \
303 .dev_open = std_serial_dev_open, \
304 .dev_close = std_serial_dev_close, \
305 .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
306 .dev_acquisition_stop = dev_acquisition_stop, \
310 DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581")
311 DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583")