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[] = {
33 static const uint32_t devopts[] = {
34 SR_CONF_CONTINUOUS | SR_CONF_SET,
35 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
36 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
39 SR_PRIV struct sr_dev_driver mic_98581_driver_info;
40 SR_PRIV struct sr_dev_driver mic_98583_driver_info;
42 SR_PRIV const struct mic_dev_info mic_devs[] = {
44 "MIC", "98581", "38400/8n2", 32000, TRUE, FALSE, 6,
46 &mic_98581_driver_info, receive_data_MIC_98581,
49 "MIC", "98583", "38400/8n2", 32000, TRUE, TRUE, 10,
50 packet_valid_temp_hum,
51 &mic_98583_driver_info, receive_data_MIC_98583,
55 static int dev_clear(int idx)
57 return std_dev_clear(mic_devs[idx].di, NULL);
60 static int init(struct sr_context *sr_ctx, int idx)
62 return std_init(sr_ctx, mic_devs[idx].di, LOG_PREFIX);
65 static GSList *mic_scan(const char *conn, const char *serialcomm, int idx)
67 struct sr_dev_inst *sdi;
68 struct drv_context *drvc;
69 struct dev_context *devc;
70 struct sr_channel *ch;
71 struct sr_serial_dev_inst *serial;
74 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
77 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
80 drvc = mic_devs[idx].di->priv;
84 /* TODO: Query device type. */
85 // ret = mic_cmd_get_device_info(serial);
87 sr_info("Found device on port %s.", conn);
89 /* TODO: Fill in version from protocol response. */
90 sdi = sr_dev_inst_new();
91 sdi->status = SR_ST_INACTIVE;
92 sdi->vendor = g_strdup(mic_devs[idx].vendor);
93 sdi->model = g_strdup(mic_devs[idx].device);
95 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
96 sr_err("Device context malloc failed.");
100 sdi->inst_type = SR_INST_SERIAL;
104 sdi->driver = mic_devs[idx].di;
106 if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "Temperature")))
108 sdi->channels = g_slist_append(sdi->channels, ch);
110 if (mic_devs[idx].has_humidity) {
111 if (!(ch = sr_channel_new(1, SR_CHANNEL_ANALOG, TRUE, "Humidity")))
113 sdi->channels = g_slist_append(sdi->channels, ch);
116 drvc->instances = g_slist_append(drvc->instances, sdi);
117 devices = g_slist_append(devices, sdi);
120 serial_close(serial);
125 static GSList *scan(GSList *options, int idx)
127 struct sr_config *src;
129 const char *conn, *serialcomm;
131 conn = serialcomm = NULL;
132 for (l = options; l; l = l->next) {
136 conn = g_variant_get_string(src->data, NULL);
138 case SR_CONF_SERIALCOMM:
139 serialcomm = g_variant_get_string(src->data, NULL);
147 /* Use the provided comm specs. */
148 devices = mic_scan(conn, serialcomm, idx);
150 /* Try the default. */
151 devices = mic_scan(conn, mic_devs[idx].conn, idx);
157 static GSList *dev_list(int idx)
159 return ((struct drv_context *)(mic_devs[idx].di->priv))->instances;
162 static int cleanup(int idx)
164 return dev_clear(idx);
167 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
168 const struct sr_channel_group *cg)
170 struct dev_context *devc;
174 if (sdi->status != SR_ST_ACTIVE)
175 return SR_ERR_DEV_CLOSED;
180 case SR_CONF_LIMIT_SAMPLES:
181 devc->limit_samples = g_variant_get_uint64(data);
182 sr_dbg("Setting sample limit to %" PRIu64 ".",
183 devc->limit_samples);
185 case SR_CONF_LIMIT_MSEC:
186 devc->limit_msec = g_variant_get_uint64(data);
187 sr_dbg("Setting time limit to %" PRIu64 "ms.",
197 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
198 const struct sr_channel_group *cg)
203 case SR_CONF_SCAN_OPTIONS:
204 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
205 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
207 case SR_CONF_DEVICE_OPTIONS:
209 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
210 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
212 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
213 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
222 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
223 void *cb_data, int idx)
225 struct dev_context *devc;
226 struct sr_serial_dev_inst *serial;
228 if (sdi->status != SR_ST_ACTIVE)
229 return SR_ERR_DEV_CLOSED;
232 devc->cb_data = cb_data;
233 devc->num_samples = 0;
234 devc->starttime = g_get_monotonic_time();
236 /* Send header packet to the session bus. */
237 std_session_send_df_header(cb_data, LOG_PREFIX);
239 /* Poll every 100ms, or whenever some data comes in. */
241 serial_source_add(sdi->session, serial, G_IO_IN, 100,
242 mic_devs[idx].receive_data, (void *)sdi);
247 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
249 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
250 sdi->conn, LOG_PREFIX);
253 /* Driver-specific API function wrappers */
255 static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
256 #define HW_CLEANUP(X) \
257 static int cleanup_##X(void) { return cleanup(X); }
259 static GSList *scan_##X(GSList *options) { return scan(options, X); }
260 #define HW_DEV_LIST(X) \
261 static GSList *dev_list_##X(void) { return dev_list(X); }
262 #define HW_DEV_CLEAR(X) \
263 static int dev_clear_##X(void) { return dev_clear(X); }
264 #define HW_DEV_ACQUISITION_START(X) \
265 static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
266 void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
268 /* Driver structs and API function wrappers */
269 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
271 HW_CLEANUP(ID_UPPER) \
273 HW_DEV_LIST(ID_UPPER) \
274 HW_DEV_CLEAR(ID_UPPER) \
275 HW_DEV_ACQUISITION_START(ID_UPPER) \
276 SR_PRIV struct sr_dev_driver ID##_driver_info = { \
278 .longname = LONGNAME, \
280 .init = init_##ID_UPPER, \
281 .cleanup = cleanup_##ID_UPPER, \
282 .scan = scan_##ID_UPPER, \
283 .dev_list = dev_list_##ID_UPPER, \
284 .dev_clear = dev_clear_##ID_UPPER, \
285 .config_get = NULL, \
286 .config_set = config_set, \
287 .config_list = config_list, \
288 .dev_open = std_serial_dev_open, \
289 .dev_close = std_serial_dev_close, \
290 .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
291 .dev_acquisition_stop = dev_acquisition_stop, \
295 DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581")
296 DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583")