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 int32_t hwopts[] = {
28 static const int32_t hwcaps[] = {
31 SR_CONF_LIMIT_SAMPLES,
36 SR_PRIV struct sr_dev_driver mic_98581_driver_info;
37 SR_PRIV struct sr_dev_driver mic_98583_driver_info;
39 SR_PRIV const struct mic_dev_info mic_devs[] = {
41 "MIC", "98581", "38400/8n2", 32000, TRUE, FALSE, 6,
43 &mic_98581_driver_info, receive_data_MIC_98581,
46 "MIC", "98583", "38400/8n2", 32000, TRUE, TRUE, 10,
47 packet_valid_temp_hum,
48 &mic_98583_driver_info, receive_data_MIC_98583,
52 static int dev_clear(int idx)
54 return std_dev_clear(mic_devs[idx].di, NULL);
57 static int init(struct sr_context *sr_ctx, int idx)
59 sr_dbg("Selected '%s' subdriver.", mic_devs[idx].di->name);
61 return std_init(sr_ctx, mic_devs[idx].di, LOG_PREFIX);
64 static GSList *mic_scan(const char *conn, const char *serialcomm, int idx)
66 struct sr_dev_inst *sdi;
67 struct drv_context *drvc;
68 struct dev_context *devc;
69 struct sr_probe *probe;
70 struct sr_serial_dev_inst *serial;
73 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
76 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
79 drvc = mic_devs[idx].di->priv;
83 /* TODO: Query device type. */
84 // ret = mic_cmd_get_device_info(serial);
86 sr_info("Found device on port %s.", conn);
88 /* TODO: Fill in version from protocol response. */
89 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, mic_devs[idx].vendor,
90 mic_devs[idx].device, "")))
93 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
94 sr_err("Device context malloc failed.");
98 sdi->inst_type = SR_INST_SERIAL;
102 sdi->driver = mic_devs[idx].di;
104 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "Temperature")))
106 sdi->probes = g_slist_append(sdi->probes, probe);
108 if (mic_devs[idx].has_humidity) {
109 if (!(probe = sr_probe_new(1, SR_PROBE_ANALOG, TRUE, "Humidity")))
111 sdi->probes = g_slist_append(sdi->probes, probe);
114 drvc->instances = g_slist_append(drvc->instances, sdi);
115 devices = g_slist_append(devices, sdi);
118 serial_close(serial);
123 static GSList *scan(GSList *options, int idx)
125 struct sr_config *src;
127 const char *conn, *serialcomm;
129 conn = serialcomm = NULL;
130 for (l = options; l; l = l->next) {
134 conn = g_variant_get_string(src->data, NULL);
136 case SR_CONF_SERIALCOMM:
137 serialcomm = g_variant_get_string(src->data, NULL);
145 /* Use the provided comm specs. */
146 devices = mic_scan(conn, serialcomm, idx);
148 /* Try the default. */
149 devices = mic_scan(conn, mic_devs[idx].conn, idx);
155 static GSList *dev_list(int idx)
157 return ((struct drv_context *)(mic_devs[idx].di->priv))->instances;
160 static int dev_open(struct sr_dev_inst *sdi)
162 struct sr_serial_dev_inst *serial;
165 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
168 sdi->status = SR_ST_ACTIVE;
173 static int dev_close(struct sr_dev_inst *sdi)
175 struct sr_serial_dev_inst *serial;
178 if (serial && serial->fd != -1) {
179 serial_close(serial);
180 sdi->status = SR_ST_INACTIVE;
186 static int cleanup(int idx)
188 return dev_clear(idx);
191 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
193 struct dev_context *devc;
195 if (sdi->status != SR_ST_ACTIVE)
196 return SR_ERR_DEV_CLOSED;
201 case SR_CONF_LIMIT_SAMPLES:
202 devc->limit_samples = g_variant_get_uint64(data);
203 sr_dbg("Setting sample limit to %" PRIu64 ".",
204 devc->limit_samples);
206 case SR_CONF_LIMIT_MSEC:
207 devc->limit_msec = g_variant_get_uint64(data);
208 sr_dbg("Setting time limit to %" PRIu64 "ms.",
218 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
223 case SR_CONF_SCAN_OPTIONS:
224 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
225 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
227 case SR_CONF_DEVICE_OPTIONS:
228 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
229 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
238 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
239 void *cb_data, int idx)
241 struct dev_context *devc;
242 struct sr_serial_dev_inst *serial;
244 if (sdi->status != SR_ST_ACTIVE)
245 return SR_ERR_DEV_CLOSED;
248 devc->cb_data = cb_data;
249 devc->num_samples = 0;
250 devc->starttime = g_get_monotonic_time();
252 /* Send header packet to the session bus. */
253 std_session_send_df_header(cb_data, LOG_PREFIX);
255 /* Poll every 100ms, or whenever some data comes in. */
257 sr_source_add(serial->fd, G_IO_IN, 100,
258 mic_devs[idx].receive_data, (void *)sdi);
263 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
265 return std_dev_acquisition_stop_serial(sdi, cb_data, dev_close,
266 sdi->conn, LOG_PREFIX);
269 /* Driver-specific API function wrappers */
271 static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
272 #define HW_CLEANUP(X) \
273 static int cleanup_##X(void) { return cleanup(X); }
275 static GSList *scan_##X(GSList *options) { return scan(options, X); }
276 #define HW_DEV_LIST(X) \
277 static GSList *dev_list_##X(void) { return dev_list(X); }
278 #define HW_DEV_CLEAR(X) \
279 static int dev_clear_##X(void) { return dev_clear(X); }
280 #define HW_DEV_ACQUISITION_START(X) \
281 static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
282 void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
284 /* Driver structs and API function wrappers */
285 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
287 HW_CLEANUP(ID_UPPER) \
289 HW_DEV_LIST(ID_UPPER) \
290 HW_DEV_CLEAR(ID_UPPER) \
291 HW_DEV_ACQUISITION_START(ID_UPPER) \
292 SR_PRIV struct sr_dev_driver ID##_driver_info = { \
294 .longname = LONGNAME, \
296 .init = init_##ID_UPPER, \
297 .cleanup = cleanup_##ID_UPPER, \
298 .scan = scan_##ID_UPPER, \
299 .dev_list = dev_list_##ID_UPPER, \
300 .dev_clear = dev_clear_##ID_UPPER, \
301 .config_get = NULL, \
302 .config_set = config_set, \
303 .config_list = config_list, \
304 .dev_open = dev_open, \
305 .dev_close = dev_close, \
306 .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
307 .dev_acquisition_stop = dev_acquisition_stop, \
311 DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581")
312 DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583")