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[] = {
30 SR_CONF_LIMIT_SAMPLES,
35 static const char *channel_names[] = {
36 "T1", "T2", "T3", "T4",
40 SR_PRIV struct sr_dev_driver center_309_driver_info;
41 SR_PRIV struct sr_dev_driver voltcraft_k204_driver_info;
43 SR_PRIV const struct center_dev_info center_devs[] = {
45 "Center", "309", "9600/8n1", 4, 32000, 45,
46 center_3xx_packet_valid,
47 ¢er_309_driver_info, receive_data_CENTER_309,
50 "Voltcraft", "K204", "9600/8n1", 4, 32000, 45,
51 center_3xx_packet_valid,
52 &voltcraft_k204_driver_info, receive_data_VOLTCRAFT_K204,
56 static int dev_clear(int idx)
58 return std_dev_clear(center_devs[idx].di, NULL);
61 static int init(struct sr_context *sr_ctx, int idx)
63 return std_init(sr_ctx, center_devs[idx].di, LOG_PREFIX);
66 static GSList *center_scan(const char *conn, const char *serialcomm, int idx)
69 struct sr_dev_inst *sdi;
70 struct drv_context *drvc;
71 struct dev_context *devc;
72 struct sr_channel *ch;
73 struct sr_serial_dev_inst *serial;
76 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
79 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
82 drvc = center_devs[idx].di->priv;
86 sr_info("Found device on port %s.", conn);
88 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, center_devs[idx].vendor,
89 center_devs[idx].device, NULL)))
92 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
93 sr_err("Device context malloc failed.");
97 sdi->inst_type = SR_INST_SERIAL;
101 sdi->driver = center_devs[idx].di;
103 for (i = 0; i < center_devs[idx].num_channels; i++) {
104 if (!(ch = sr_channel_new(i, SR_CHANNEL_ANALOG,
105 TRUE, channel_names[i])))
107 sdi->channels = g_slist_append(sdi->channels, ch);
110 drvc->instances = g_slist_append(drvc->instances, sdi);
111 devices = g_slist_append(devices, sdi);
114 serial_close(serial);
119 static GSList *scan(GSList *options, int idx)
121 struct sr_config *src;
123 const char *conn, *serialcomm;
125 conn = serialcomm = NULL;
126 for (l = options; l; l = l->next) {
130 conn = g_variant_get_string(src->data, NULL);
132 case SR_CONF_SERIALCOMM:
133 serialcomm = g_variant_get_string(src->data, NULL);
141 /* Use the provided comm specs. */
142 devices = center_scan(conn, serialcomm, idx);
144 /* Try the default. */
145 devices = center_scan(conn, center_devs[idx].conn, idx);
151 static GSList *dev_list(int idx)
153 return ((struct drv_context *)(center_devs[idx].di->priv))->instances;
156 static int cleanup(int idx)
158 return dev_clear(idx);
161 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
162 const struct sr_channel_group *cg)
164 struct dev_context *devc;
168 if (sdi->status != SR_ST_ACTIVE)
169 return SR_ERR_DEV_CLOSED;
174 case SR_CONF_LIMIT_SAMPLES:
175 if (g_variant_get_uint64(data) == 0)
177 devc->limit_samples = g_variant_get_uint64(data);
179 case SR_CONF_LIMIT_MSEC:
180 if (g_variant_get_uint64(data) == 0)
182 devc->limit_msec = g_variant_get_uint64(data);
191 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
192 const struct sr_channel_group *cg)
198 case SR_CONF_SCAN_OPTIONS:
199 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
200 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
202 case SR_CONF_DEVICE_OPTIONS:
203 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
204 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
213 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
214 void *cb_data, int idx)
216 struct dev_context *devc;
217 struct sr_serial_dev_inst *serial;
219 if (sdi->status != SR_ST_ACTIVE)
220 return SR_ERR_DEV_CLOSED;
223 devc->cb_data = cb_data;
224 devc->num_samples = 0;
225 devc->starttime = g_get_monotonic_time();
227 /* Send header packet to the session bus. */
228 std_session_send_df_header(cb_data, LOG_PREFIX);
230 /* Poll every 500ms, or whenever some data comes in. */
232 serial_source_add(sdi->session, serial, G_IO_IN, 500,
233 center_devs[idx].receive_data, (void *)sdi);
238 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
240 return std_serial_dev_acquisition_stop(sdi, cb_data,
241 std_serial_dev_close, sdi->conn, LOG_PREFIX);
244 /* Driver-specific API function wrappers */
246 static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
247 #define HW_CLEANUP(X) \
248 static int cleanup_##X(void) { return cleanup(X); }
250 static GSList *scan_##X(GSList *options) { return scan(options, X); }
251 #define HW_DEV_LIST(X) \
252 static GSList *dev_list_##X(void) { return dev_list(X); }
253 #define HW_DEV_CLEAR(X) \
254 static int dev_clear_##X(void) { return dev_clear(X); }
255 #define HW_DEV_ACQUISITION_START(X) \
256 static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
257 void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
259 /* Driver structs and API function wrappers */
260 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
262 HW_CLEANUP(ID_UPPER) \
264 HW_DEV_LIST(ID_UPPER) \
265 HW_DEV_CLEAR(ID_UPPER) \
266 HW_DEV_ACQUISITION_START(ID_UPPER) \
267 SR_PRIV struct sr_dev_driver ID##_driver_info = { \
269 .longname = LONGNAME, \
271 .init = init_##ID_UPPER, \
272 .cleanup = cleanup_##ID_UPPER, \
273 .scan = scan_##ID_UPPER, \
274 .dev_list = dev_list_##ID_UPPER, \
275 .dev_clear = dev_clear_##ID_UPPER, \
276 .config_get = NULL, \
277 .config_set = config_set, \
278 .config_list = config_list, \
279 .dev_open = std_serial_dev_open, \
280 .dev_close = std_serial_dev_close, \
281 .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
282 .dev_acquisition_stop = dev_acquisition_stop, \
286 DRV(center_309, CENTER_309, "center-309", "Center 309")
287 DRV(voltcraft_k204, VOLTCRAFT_K204, "voltcraft-k204", "Voltcraft K204")