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_channel *ch;
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, NULL)))
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 (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "Temperature")))
106 sdi->channels = g_slist_append(sdi->channels, ch);
108 if (mic_devs[idx].has_humidity) {
109 if (!(ch = sr_channel_new(1, SR_CHANNEL_ANALOG, TRUE, "Humidity")))
111 sdi->channels = g_slist_append(sdi->channels, ch);
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 cleanup(int idx)
162 return dev_clear(idx);
165 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
166 const struct sr_channel_group *cg)
168 struct dev_context *devc;
172 if (sdi->status != SR_ST_ACTIVE)
173 return SR_ERR_DEV_CLOSED;
178 case SR_CONF_LIMIT_SAMPLES:
179 devc->limit_samples = g_variant_get_uint64(data);
180 sr_dbg("Setting sample limit to %" PRIu64 ".",
181 devc->limit_samples);
183 case SR_CONF_LIMIT_MSEC:
184 devc->limit_msec = g_variant_get_uint64(data);
185 sr_dbg("Setting time limit to %" PRIu64 "ms.",
195 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
196 const struct sr_channel_group *cg)
202 case SR_CONF_SCAN_OPTIONS:
203 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
204 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
206 case SR_CONF_DEVICE_OPTIONS:
207 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
208 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
217 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
218 void *cb_data, int idx)
220 struct dev_context *devc;
221 struct sr_serial_dev_inst *serial;
223 if (sdi->status != SR_ST_ACTIVE)
224 return SR_ERR_DEV_CLOSED;
227 devc->cb_data = cb_data;
228 devc->num_samples = 0;
229 devc->starttime = g_get_monotonic_time();
231 /* Send header packet to the session bus. */
232 std_session_send_df_header(cb_data, LOG_PREFIX);
234 /* Poll every 100ms, or whenever some data comes in. */
236 serial_source_add(serial, G_IO_IN, 100,
237 mic_devs[idx].receive_data, (void *)sdi);
242 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
244 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
245 sdi->conn, LOG_PREFIX);
248 /* Driver-specific API function wrappers */
250 static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
251 #define HW_CLEANUP(X) \
252 static int cleanup_##X(void) { return cleanup(X); }
254 static GSList *scan_##X(GSList *options) { return scan(options, X); }
255 #define HW_DEV_LIST(X) \
256 static GSList *dev_list_##X(void) { return dev_list(X); }
257 #define HW_DEV_CLEAR(X) \
258 static int dev_clear_##X(void) { return dev_clear(X); }
259 #define HW_DEV_ACQUISITION_START(X) \
260 static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
261 void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
263 /* Driver structs and API function wrappers */
264 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
266 HW_CLEANUP(ID_UPPER) \
268 HW_DEV_LIST(ID_UPPER) \
269 HW_DEV_CLEAR(ID_UPPER) \
270 HW_DEV_ACQUISITION_START(ID_UPPER) \
271 SR_PRIV struct sr_dev_driver ID##_driver_info = { \
273 .longname = LONGNAME, \
275 .init = init_##ID_UPPER, \
276 .cleanup = cleanup_##ID_UPPER, \
277 .scan = scan_##ID_UPPER, \
278 .dev_list = dev_list_##ID_UPPER, \
279 .dev_clear = dev_clear_##ID_UPPER, \
280 .config_get = NULL, \
281 .config_set = config_set, \
282 .config_list = config_list, \
283 .dev_open = std_serial_dev_open, \
284 .dev_close = std_serial_dev_close, \
285 .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
286 .dev_acquisition_stop = dev_acquisition_stop, \
290 DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581")
291 DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583")