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4433145f UH |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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 | |
19 | */ | |
20 | ||
21 | #include "protocol.h" | |
22 | ||
4a8bbed7 UH |
23 | static const int32_t hwopts[] = { |
24 | SR_CONF_CONN, | |
25 | SR_CONF_SERIALCOMM, | |
26 | }; | |
27 | ||
28 | static const int32_t hwcaps[] = { | |
29 | SR_CONF_THERMOMETER, | |
30 | SR_CONF_LIMIT_SAMPLES, | |
31 | SR_CONF_LIMIT_MSEC, | |
32 | SR_CONF_CONTINUOUS, | |
33 | }; | |
34 | ||
35 | static const char *probe_names[] = { | |
36 | "T1", "T2", "T3", "T4", | |
37 | NULL, | |
38 | }; | |
39 | ||
40 | SR_PRIV struct sr_dev_driver center_309_driver_info; | |
41 | SR_PRIV struct sr_dev_driver voltcraft_k204_driver_info; | |
42 | ||
43 | SR_PRIV const struct center_dev_info center_devs[] = { | |
44 | { | |
45 | "Center", "309", "9600/8n1", 4, 32000, 45, | |
46 | center_3xx_packet_valid, | |
47 | ¢er_309_driver_info, receive_data_CENTER_309, | |
48 | }, | |
49 | { | |
50 | "Voltcraft", "K204", "9600/8n1", 4, 32000, 45, | |
51 | center_3xx_packet_valid, | |
52 | &voltcraft_k204_driver_info, receive_data_VOLTCRAFT_K204, | |
53 | }, | |
54 | }; | |
4433145f | 55 | |
4a8bbed7 | 56 | static int dev_clear(int idx) |
4433145f | 57 | { |
4a8bbed7 | 58 | return std_dev_clear(center_devs[idx].di, NULL); |
4433145f UH |
59 | } |
60 | ||
4a8bbed7 | 61 | static int init(struct sr_context *sr_ctx, int idx) |
4433145f | 62 | { |
4a8bbed7 UH |
63 | sr_dbg("Selected '%s' subdriver.", center_devs[idx].di->name); |
64 | ||
65 | return std_init(sr_ctx, center_devs[idx].di, LOG_PREFIX); | |
66 | } | |
67 | ||
68 | static GSList *center_scan(const char *conn, const char *serialcomm, int idx) | |
69 | { | |
70 | int i; | |
71 | struct sr_dev_inst *sdi; | |
4433145f | 72 | struct drv_context *drvc; |
4a8bbed7 UH |
73 | struct dev_context *devc; |
74 | struct sr_probe *probe; | |
75 | struct sr_serial_dev_inst *serial; | |
4433145f UH |
76 | GSList *devices; |
77 | ||
4a8bbed7 UH |
78 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) |
79 | return NULL; | |
80 | ||
81 | if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) | |
82 | return NULL; | |
4433145f | 83 | |
4a8bbed7 | 84 | drvc = center_devs[idx].di->priv; |
4433145f | 85 | devices = NULL; |
4a8bbed7 UH |
86 | serial_flush(serial); |
87 | ||
88 | sr_info("Found device on port %s.", conn); | |
89 | ||
90 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, center_devs[idx].vendor, | |
91 | center_devs[idx].device, NULL))) | |
92 | goto scan_cleanup; | |
93 | ||
94 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
95 | sr_err("Device context malloc failed."); | |
96 | goto scan_cleanup; | |
97 | } | |
98 | ||
99 | sdi->inst_type = SR_INST_SERIAL; | |
100 | sdi->conn = serial; | |
101 | ||
102 | sdi->priv = devc; | |
103 | sdi->driver = center_devs[idx].di; | |
104 | ||
105 | for (i = 0; i < center_devs[idx].num_channels; i++) { | |
106 | if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, | |
107 | TRUE, probe_names[i]))) | |
108 | goto scan_cleanup; | |
109 | sdi->probes = g_slist_append(sdi->probes, probe); | |
110 | } | |
111 | ||
112 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
113 | devices = g_slist_append(devices, sdi); | |
114 | ||
115 | scan_cleanup: | |
116 | serial_close(serial); | |
4433145f UH |
117 | |
118 | return devices; | |
119 | } | |
120 | ||
4a8bbed7 | 121 | static GSList *scan(GSList *options, int idx) |
4433145f | 122 | { |
4a8bbed7 UH |
123 | struct sr_config *src; |
124 | GSList *l, *devices; | |
125 | const char *conn, *serialcomm; | |
126 | ||
127 | conn = serialcomm = NULL; | |
128 | for (l = options; l; l = l->next) { | |
129 | src = l->data; | |
130 | switch (src->key) { | |
131 | case SR_CONF_CONN: | |
132 | conn = g_variant_get_string(src->data, NULL); | |
133 | break; | |
134 | case SR_CONF_SERIALCOMM: | |
135 | serialcomm = g_variant_get_string(src->data, NULL); | |
136 | break; | |
137 | } | |
138 | } | |
139 | if (!conn) | |
140 | return NULL; | |
141 | ||
142 | if (serialcomm) { | |
143 | /* Use the provided comm specs. */ | |
144 | devices = center_scan(conn, serialcomm, idx); | |
145 | } else { | |
146 | /* Try the default. */ | |
147 | devices = center_scan(conn, center_devs[idx].conn, idx); | |
148 | } | |
149 | ||
150 | return devices; | |
4433145f UH |
151 | } |
152 | ||
4a8bbed7 | 153 | static GSList *dev_list(int idx) |
4433145f | 154 | { |
4a8bbed7 | 155 | return ((struct drv_context *)(center_devs[idx].di->priv))->instances; |
4433145f UH |
156 | } |
157 | ||
158 | static int dev_open(struct sr_dev_inst *sdi) | |
159 | { | |
4a8bbed7 UH |
160 | struct sr_serial_dev_inst *serial; |
161 | ||
162 | serial = sdi->conn; | |
163 | if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) | |
164 | return SR_ERR; | |
4433145f UH |
165 | |
166 | sdi->status = SR_ST_ACTIVE; | |
167 | ||
168 | return SR_OK; | |
169 | } | |
170 | ||
171 | static int dev_close(struct sr_dev_inst *sdi) | |
172 | { | |
4a8bbed7 | 173 | struct sr_serial_dev_inst *serial; |
4433145f | 174 | |
4a8bbed7 UH |
175 | serial = sdi->conn; |
176 | if (serial && serial->fd != -1) { | |
177 | serial_close(serial); | |
178 | sdi->status = SR_ST_INACTIVE; | |
179 | } | |
4433145f UH |
180 | |
181 | return SR_OK; | |
182 | } | |
183 | ||
4a8bbed7 | 184 | static int cleanup(int idx) |
4433145f | 185 | { |
4a8bbed7 | 186 | return dev_clear(idx); |
4433145f UH |
187 | } |
188 | ||
4a8bbed7 | 189 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
4433145f | 190 | { |
4a8bbed7 | 191 | struct dev_context *devc; |
4433145f UH |
192 | |
193 | if (sdi->status != SR_ST_ACTIVE) | |
194 | return SR_ERR_DEV_CLOSED; | |
195 | ||
4a8bbed7 UH |
196 | devc = sdi->priv; |
197 | ||
198 | switch (id) { | |
199 | case SR_CONF_LIMIT_SAMPLES: | |
200 | if (g_variant_get_uint64(data) == 0) | |
201 | return SR_ERR_ARG; | |
202 | devc->limit_samples = g_variant_get_uint64(data); | |
203 | break; | |
204 | case SR_CONF_LIMIT_MSEC: | |
205 | if (g_variant_get_uint64(data) == 0) | |
206 | return SR_ERR_ARG; | |
207 | devc->limit_msec = g_variant_get_uint64(data); | |
208 | break; | |
4433145f | 209 | default: |
4a8bbed7 | 210 | return SR_ERR_NA; |
4433145f UH |
211 | } |
212 | ||
4a8bbed7 | 213 | return SR_OK; |
4433145f UH |
214 | } |
215 | ||
216 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) | |
217 | { | |
4433145f | 218 | (void)sdi; |
4433145f | 219 | |
4433145f | 220 | switch (key) { |
4a8bbed7 UH |
221 | case SR_CONF_SCAN_OPTIONS: |
222 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
223 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
224 | break; | |
225 | case SR_CONF_DEVICE_OPTIONS: | |
226 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
227 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
228 | break; | |
4433145f UH |
229 | default: |
230 | return SR_ERR_NA; | |
231 | } | |
232 | ||
4a8bbed7 | 233 | return SR_OK; |
4433145f UH |
234 | } |
235 | ||
236 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
4a8bbed7 | 237 | void *cb_data, int idx) |
4433145f | 238 | { |
4a8bbed7 UH |
239 | struct dev_context *devc; |
240 | struct sr_serial_dev_inst *serial; | |
4433145f UH |
241 | |
242 | if (sdi->status != SR_ST_ACTIVE) | |
243 | return SR_ERR_DEV_CLOSED; | |
244 | ||
4a8bbed7 UH |
245 | devc = sdi->priv; |
246 | devc->cb_data = cb_data; | |
247 | devc->num_samples = 0; | |
248 | devc->starttime = g_get_monotonic_time(); | |
249 | ||
250 | /* Send header packet to the session bus. */ | |
251 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
252 | ||
253 | /* Poll every 500ms, or whenever some data comes in. */ | |
254 | serial = sdi->conn; | |
255 | sr_source_add(serial->fd, G_IO_IN, 500, | |
256 | center_devs[idx].receive_data, (void *)sdi); | |
257 | ||
4433145f UH |
258 | return SR_OK; |
259 | } | |
260 | ||
261 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
262 | { | |
4a8bbed7 UH |
263 | return std_dev_acquisition_stop_serial(sdi, cb_data, dev_close, |
264 | sdi->conn, LOG_PREFIX); | |
4433145f UH |
265 | } |
266 | ||
4a8bbed7 UH |
267 | /* Driver-specific API function wrappers */ |
268 | #define HW_INIT(X) \ | |
269 | static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); } | |
270 | #define HW_CLEANUP(X) \ | |
271 | static int cleanup_##X(void) { return cleanup(X); } | |
272 | #define HW_SCAN(X) \ | |
273 | static GSList *scan_##X(GSList *options) { return scan(options, X); } | |
274 | #define HW_DEV_LIST(X) \ | |
275 | static GSList *dev_list_##X(void) { return dev_list(X); } | |
276 | #define HW_DEV_CLEAR(X) \ | |
277 | static int dev_clear_##X(void) { return dev_clear(X); } | |
278 | #define HW_DEV_ACQUISITION_START(X) \ | |
279 | static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \ | |
280 | void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); } | |
281 | ||
282 | /* Driver structs and API function wrappers */ | |
283 | #define DRV(ID, ID_UPPER, NAME, LONGNAME) \ | |
284 | HW_INIT(ID_UPPER) \ | |
285 | HW_CLEANUP(ID_UPPER) \ | |
286 | HW_SCAN(ID_UPPER) \ | |
287 | HW_DEV_LIST(ID_UPPER) \ | |
288 | HW_DEV_CLEAR(ID_UPPER) \ | |
289 | HW_DEV_ACQUISITION_START(ID_UPPER) \ | |
290 | SR_PRIV struct sr_dev_driver ID##_driver_info = { \ | |
291 | .name = NAME, \ | |
292 | .longname = LONGNAME, \ | |
293 | .api_version = 1, \ | |
294 | .init = init_##ID_UPPER, \ | |
295 | .cleanup = cleanup_##ID_UPPER, \ | |
296 | .scan = scan_##ID_UPPER, \ | |
297 | .dev_list = dev_list_##ID_UPPER, \ | |
298 | .dev_clear = dev_clear_##ID_UPPER, \ | |
299 | .config_get = NULL, \ | |
300 | .config_set = config_set, \ | |
301 | .config_list = config_list, \ | |
302 | .dev_open = dev_open, \ | |
303 | .dev_close = dev_close, \ | |
304 | .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \ | |
305 | .dev_acquisition_stop = dev_acquisition_stop, \ | |
306 | .priv = NULL, \ | |
4433145f | 307 | }; |
4a8bbed7 UH |
308 | |
309 | DRV(center_309, CENTER_309, "center-309", "Center 309") | |
310 | DRV(voltcraft_k204, VOLTCRAFT_K204, "voltcraft-k204", "Voltcraft K204") |