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 clear_instances(int idx)
54 struct sr_dev_inst *sdi;
55 struct drv_context *drvc;
56 struct dev_context *devc;
57 struct sr_serial_dev_inst *serial;
59 struct sr_dev_driver *di;
61 di = mic_devs[idx].di;
63 if (!(drvc = di->priv))
66 for (l = drvc->instances; l; l = l->next) {
69 if (!(devc = sdi->priv))
72 sr_serial_dev_inst_free(serial);
73 sr_dev_inst_free(sdi);
76 g_slist_free(drvc->instances);
77 drvc->instances = NULL;
82 static int hw_init(struct sr_context *sr_ctx, int idx)
84 sr_dbg("Selected '%s' subdriver.", mic_devs[idx].di->name);
86 return std_hw_init(sr_ctx, mic_devs[idx].di, LOG_PREFIX);
89 static GSList *scan(const char *conn, const char *serialcomm, int idx)
91 struct sr_dev_inst *sdi;
92 struct drv_context *drvc;
93 struct dev_context *devc;
94 struct sr_probe *probe;
95 struct sr_serial_dev_inst *serial;
98 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
101 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
104 drvc = mic_devs[idx].di->priv;
106 serial_flush(serial);
108 /* TODO: Query device type. */
109 // ret = mic_cmd_get_device_info(serial);
111 sr_info("Found device on port %s.", conn);
113 /* TODO: Fill in version from protocol response. */
114 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, mic_devs[idx].vendor,
115 mic_devs[idx].device, "")))
118 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
119 sr_err("Device context malloc failed.");
123 sdi->inst_type = SR_INST_SERIAL;
127 sdi->driver = mic_devs[idx].di;
129 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "Temperature")))
131 sdi->probes = g_slist_append(sdi->probes, probe);
133 if (mic_devs[idx].has_humidity) {
134 if (!(probe = sr_probe_new(1, SR_PROBE_ANALOG, TRUE, "Humidity")))
136 sdi->probes = g_slist_append(sdi->probes, probe);
139 drvc->instances = g_slist_append(drvc->instances, sdi);
140 devices = g_slist_append(devices, sdi);
143 serial_close(serial);
148 static GSList *hw_scan(GSList *options, int idx)
150 struct sr_config *src;
152 const char *conn, *serialcomm;
154 conn = serialcomm = NULL;
155 for (l = options; l; l = l->next) {
159 conn = g_variant_get_string(src->data, NULL);
161 case SR_CONF_SERIALCOMM:
162 serialcomm = g_variant_get_string(src->data, NULL);
170 /* Use the provided comm specs. */
171 devices = scan(conn, serialcomm, idx);
173 /* Try the default. */
174 devices = scan(conn, mic_devs[idx].conn, idx);
180 static GSList *hw_dev_list(int idx)
182 return ((struct drv_context *)(mic_devs[idx].di->priv))->instances;
185 static int hw_dev_open(struct sr_dev_inst *sdi)
187 struct sr_serial_dev_inst *serial;
190 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
193 sdi->status = SR_ST_ACTIVE;
198 static int hw_dev_close(struct sr_dev_inst *sdi)
200 struct sr_serial_dev_inst *serial;
203 if (serial && serial->fd != -1) {
204 serial_close(serial);
205 sdi->status = SR_ST_INACTIVE;
211 static int hw_cleanup(int idx)
213 clear_instances(idx);
218 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
220 struct dev_context *devc;
222 if (sdi->status != SR_ST_ACTIVE)
223 return SR_ERR_DEV_CLOSED;
228 case SR_CONF_LIMIT_SAMPLES:
229 devc->limit_samples = g_variant_get_uint64(data);
230 sr_dbg("Setting sample limit to %" PRIu64 ".",
231 devc->limit_samples);
233 case SR_CONF_LIMIT_MSEC:
234 devc->limit_msec = g_variant_get_uint64(data);
235 sr_dbg("Setting time limit to %" PRIu64 "ms.",
245 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
250 case SR_CONF_SCAN_OPTIONS:
251 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
252 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
254 case SR_CONF_DEVICE_OPTIONS:
255 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
256 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
265 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
266 void *cb_data, int idx)
268 struct dev_context *devc;
269 struct sr_serial_dev_inst *serial;
271 if (sdi->status != SR_ST_ACTIVE)
272 return SR_ERR_DEV_CLOSED;
275 devc->cb_data = cb_data;
276 devc->num_samples = 0;
277 devc->starttime = g_get_monotonic_time();
279 /* Send header packet to the session bus. */
280 std_session_send_df_header(cb_data, LOG_PREFIX);
282 /* Poll every 100ms, or whenever some data comes in. */
284 sr_source_add(serial->fd, G_IO_IN, 100,
285 mic_devs[idx].receive_data, (void *)sdi);
290 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
292 return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
293 sdi->conn, LOG_PREFIX);
296 /* Driver-specific API function wrappers */
298 static int hw_init_##X(struct sr_context *sr_ctx) { return hw_init(sr_ctx, X); }
299 #define HW_CLEANUP(X) \
300 static int hw_cleanup_##X(void) { return hw_cleanup(X); }
302 static GSList *hw_scan_##X(GSList *options) { return hw_scan(options, X); }
303 #define HW_DEV_LIST(X) \
304 static GSList *hw_dev_list_##X(void) { return hw_dev_list(X); }
305 #define CLEAR_INSTANCES(X) \
306 static int clear_instances_##X(void) { return clear_instances(X); }
307 #define HW_DEV_ACQUISITION_START(X) \
308 static int hw_dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
309 void *cb_data) { return hw_dev_acquisition_start(sdi, cb_data, X); }
311 /* Driver structs and API function wrappers */
312 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
314 HW_CLEANUP(ID_UPPER) \
316 HW_DEV_LIST(ID_UPPER) \
317 CLEAR_INSTANCES(ID_UPPER) \
318 HW_DEV_ACQUISITION_START(ID_UPPER) \
319 SR_PRIV struct sr_dev_driver ID##_driver_info = { \
321 .longname = LONGNAME, \
323 .init = hw_init_##ID_UPPER, \
324 .cleanup = hw_cleanup_##ID_UPPER, \
325 .scan = hw_scan_##ID_UPPER, \
326 .dev_list = hw_dev_list_##ID_UPPER, \
327 .dev_clear = clear_instances_##ID_UPPER, \
328 .config_get = NULL, \
329 .config_set = config_set, \
330 .config_list = config_list, \
331 .dev_open = hw_dev_open, \
332 .dev_close = hw_dev_close, \
333 .dev_acquisition_start = hw_dev_acquisition_start_##ID_UPPER, \
334 .dev_acquisition_stop = hw_dev_acquisition_stop, \
338 DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581")
339 DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583")