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 return std_init(sr_ctx, mic_devs[idx].di, LOG_PREFIX);
62 static GSList *mic_scan(const char *conn, const char *serialcomm, int idx)
64 struct sr_dev_inst *sdi;
65 struct drv_context *drvc;
66 struct dev_context *devc;
67 struct sr_channel *ch;
68 struct sr_serial_dev_inst *serial;
71 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
74 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
77 drvc = mic_devs[idx].di->priv;
81 /* TODO: Query device type. */
82 // ret = mic_cmd_get_device_info(serial);
84 sr_info("Found device on port %s.", conn);
86 /* TODO: Fill in version from protocol response. */
87 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, mic_devs[idx].vendor,
88 mic_devs[idx].device, NULL)))
91 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
92 sr_err("Device context malloc failed.");
96 sdi->inst_type = SR_INST_SERIAL;
100 sdi->driver = mic_devs[idx].di;
102 if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "Temperature")))
104 sdi->channels = g_slist_append(sdi->channels, ch);
106 if (mic_devs[idx].has_humidity) {
107 if (!(ch = sr_channel_new(1, SR_CHANNEL_ANALOG, TRUE, "Humidity")))
109 sdi->channels = g_slist_append(sdi->channels, ch);
112 drvc->instances = g_slist_append(drvc->instances, sdi);
113 devices = g_slist_append(devices, sdi);
116 serial_close(serial);
121 static GSList *scan(GSList *options, int idx)
123 struct sr_config *src;
125 const char *conn, *serialcomm;
127 conn = serialcomm = NULL;
128 for (l = options; l; l = l->next) {
132 conn = g_variant_get_string(src->data, NULL);
134 case SR_CONF_SERIALCOMM:
135 serialcomm = g_variant_get_string(src->data, NULL);
143 /* Use the provided comm specs. */
144 devices = mic_scan(conn, serialcomm, idx);
146 /* Try the default. */
147 devices = mic_scan(conn, mic_devs[idx].conn, idx);
153 static GSList *dev_list(int idx)
155 return ((struct drv_context *)(mic_devs[idx].di->priv))->instances;
158 static int cleanup(int idx)
160 return dev_clear(idx);
163 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
164 const struct sr_channel_group *cg)
166 struct dev_context *devc;
170 if (sdi->status != SR_ST_ACTIVE)
171 return SR_ERR_DEV_CLOSED;
176 case SR_CONF_LIMIT_SAMPLES:
177 devc->limit_samples = g_variant_get_uint64(data);
178 sr_dbg("Setting sample limit to %" PRIu64 ".",
179 devc->limit_samples);
181 case SR_CONF_LIMIT_MSEC:
182 devc->limit_msec = g_variant_get_uint64(data);
183 sr_dbg("Setting time limit to %" PRIu64 "ms.",
193 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
194 const struct sr_channel_group *cg)
200 case SR_CONF_SCAN_OPTIONS:
201 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
202 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
204 case SR_CONF_DEVICE_OPTIONS:
205 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
206 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
215 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
216 void *cb_data, int idx)
218 struct dev_context *devc;
219 struct sr_serial_dev_inst *serial;
221 if (sdi->status != SR_ST_ACTIVE)
222 return SR_ERR_DEV_CLOSED;
225 devc->cb_data = cb_data;
226 devc->num_samples = 0;
227 devc->starttime = g_get_monotonic_time();
229 /* Send header packet to the session bus. */
230 std_session_send_df_header(cb_data, LOG_PREFIX);
232 /* Poll every 100ms, or whenever some data comes in. */
234 serial_source_add(sdi->session, serial, G_IO_IN, 100,
235 mic_devs[idx].receive_data, (void *)sdi);
240 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
242 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
243 sdi->conn, LOG_PREFIX);
246 /* Driver-specific API function wrappers */
248 static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
249 #define HW_CLEANUP(X) \
250 static int cleanup_##X(void) { return cleanup(X); }
252 static GSList *scan_##X(GSList *options) { return scan(options, X); }
253 #define HW_DEV_LIST(X) \
254 static GSList *dev_list_##X(void) { return dev_list(X); }
255 #define HW_DEV_CLEAR(X) \
256 static int dev_clear_##X(void) { return dev_clear(X); }
257 #define HW_DEV_ACQUISITION_START(X) \
258 static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
259 void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
261 /* Driver structs and API function wrappers */
262 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
264 HW_CLEANUP(ID_UPPER) \
266 HW_DEV_LIST(ID_UPPER) \
267 HW_DEV_CLEAR(ID_UPPER) \
268 HW_DEV_ACQUISITION_START(ID_UPPER) \
269 SR_PRIV struct sr_dev_driver ID##_driver_info = { \
271 .longname = LONGNAME, \
273 .init = init_##ID_UPPER, \
274 .cleanup = cleanup_##ID_UPPER, \
275 .scan = scan_##ID_UPPER, \
276 .dev_list = dev_list_##ID_UPPER, \
277 .dev_clear = dev_clear_##ID_UPPER, \
278 .config_get = NULL, \
279 .config_set = config_set, \
280 .config_list = config_list, \
281 .dev_open = std_serial_dev_open, \
282 .dev_close = std_serial_dev_close, \
283 .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
284 .dev_acquisition_stop = dev_acquisition_stop, \
288 DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581")
289 DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583")