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5e7a8e57 AJ |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Aurelien Jacobs <aurel@gnuage.org> | |
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 3 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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
81a9ab72 | 20 | #include <string.h> |
5e7a8e57 AJ |
21 | #include "protocol.h" |
22 | ||
81a9ab72 AJ |
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 | SR_CONF_DATA_SOURCE, | |
34 | }; | |
35 | ||
36 | static const char *data_sources[] = { | |
37 | "Live", | |
38 | "Memory", | |
39 | }; | |
40 | ||
5e7a8e57 AJ |
41 | SR_PRIV struct sr_dev_driver appa_55ii_driver_info; |
42 | static struct sr_dev_driver *di = &appa_55ii_driver_info; | |
43 | ||
44 | static int init(struct sr_context *sr_ctx) | |
45 | { | |
46 | return std_init(sr_ctx, di, LOG_PREFIX); | |
47 | } | |
48 | ||
49 | static GSList *scan(GSList *options) | |
50 | { | |
51 | struct drv_context *drvc; | |
81a9ab72 AJ |
52 | struct dev_context *devc; |
53 | struct sr_serial_dev_inst *serial; | |
54 | struct sr_dev_inst *sdi; | |
55 | struct sr_probe *probe; | |
7574e58c BV |
56 | struct sr_config *src; |
57 | GSList *devices, *l; | |
58 | const char *conn, *serialcomm; | |
81a9ab72 | 59 | uint8_t buf[50]; |
7574e58c | 60 | size_t len; |
81a9ab72 | 61 | |
7574e58c BV |
62 | len = sizeof(buf); |
63 | devices = NULL; | |
64 | conn = serialcomm = NULL; | |
81a9ab72 | 65 | for (l = options; l; l = l->next) { |
7574e58c | 66 | src = l->data; |
81a9ab72 AJ |
67 | switch (src->key) { |
68 | case SR_CONF_CONN: | |
69 | conn = g_variant_get_string(src->data, NULL); | |
70 | break; | |
71 | case SR_CONF_SERIALCOMM: | |
72 | serialcomm = g_variant_get_string(src->data, NULL); | |
73 | break; | |
74 | } | |
75 | } | |
76 | if (!conn) | |
77 | return NULL; | |
78 | if (!serialcomm) | |
79 | serialcomm = "9600/8n1"; | |
80 | ||
81 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) | |
82 | return NULL; | |
83 | if (serial_open(serial, SERIAL_RDONLY | SERIAL_NONBLOCK) != SR_OK) | |
84 | return NULL; | |
5e7a8e57 | 85 | |
81a9ab72 | 86 | sr_info("Probing serial port %s.", conn); |
5e7a8e57 | 87 | |
5e7a8e57 AJ |
88 | drvc = di->priv; |
89 | drvc->instances = NULL; | |
81a9ab72 AJ |
90 | serial_flush(serial); |
91 | ||
92 | /* Let's get a bit of data and see if we can find a packet. */ | |
93 | if (serial_stream_detect(serial, buf, &len, 25, | |
7574e58c | 94 | appa_55ii_packet_valid, 500, 9600) != SR_OK) |
81a9ab72 AJ |
95 | goto scan_cleanup; |
96 | ||
97 | sr_info("Found device on port %s.", conn); | |
98 | ||
99 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "APPA", "55II", ""))) | |
100 | goto scan_cleanup; | |
101 | ||
102 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
103 | sr_err("Device context malloc failed."); | |
104 | goto scan_cleanup; | |
105 | } | |
106 | ||
107 | devc->data_source = DEFAULT_DATA_SOURCE; | |
108 | ||
109 | sdi->inst_type = SR_INST_SERIAL; | |
110 | sdi->conn = serial; | |
111 | sdi->priv = devc; | |
112 | sdi->driver = di; | |
5e7a8e57 | 113 | |
81a9ab72 AJ |
114 | if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "T1"))) |
115 | goto scan_cleanup; | |
116 | sdi->probes = g_slist_append(sdi->probes, probe); | |
117 | if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "T2"))) | |
118 | goto scan_cleanup; | |
119 | sdi->probes = g_slist_append(sdi->probes, probe); | |
120 | ||
121 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
122 | devices = g_slist_append(devices, sdi); | |
123 | ||
124 | scan_cleanup: | |
125 | serial_close(serial); | |
5e7a8e57 AJ |
126 | |
127 | return devices; | |
128 | } | |
129 | ||
130 | static GSList *dev_list(void) | |
131 | { | |
132 | return ((struct drv_context *)(di->priv))->instances; | |
133 | } | |
134 | ||
135 | static int dev_clear(void) | |
136 | { | |
137 | return std_dev_clear(di, NULL); | |
138 | } | |
139 | ||
5e7a8e57 AJ |
140 | static int cleanup(void) |
141 | { | |
81a9ab72 | 142 | return dev_clear(); |
5e7a8e57 AJ |
143 | } |
144 | ||
145 | static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
7574e58c | 146 | const struct sr_probe_group *probe_group) |
5e7a8e57 | 147 | { |
81a9ab72 | 148 | struct dev_context *devc = sdi->priv; |
5e7a8e57 | 149 | |
5e7a8e57 AJ |
150 | (void)probe_group; |
151 | ||
5e7a8e57 | 152 | switch (key) { |
81a9ab72 AJ |
153 | case SR_CONF_LIMIT_SAMPLES: |
154 | *data = g_variant_new_uint64(devc->limit_samples); | |
155 | break; | |
156 | case SR_CONF_LIMIT_MSEC: | |
157 | *data = g_variant_new_uint64(devc->limit_msec); | |
158 | break; | |
159 | case SR_CONF_DATA_SOURCE: | |
160 | *data = g_variant_new_string(data_sources[devc->data_source]); | |
161 | break; | |
5e7a8e57 AJ |
162 | default: |
163 | return SR_ERR_NA; | |
164 | } | |
165 | ||
81a9ab72 | 166 | return SR_OK; |
5e7a8e57 AJ |
167 | } |
168 | ||
169 | static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, | |
170 | const struct sr_probe_group *probe_group) | |
171 | { | |
81a9ab72 | 172 | struct dev_context *devc; |
7574e58c BV |
173 | const char *tmp_str; |
174 | unsigned int i; | |
5e7a8e57 | 175 | |
5e7a8e57 AJ |
176 | (void)probe_group; |
177 | ||
178 | if (sdi->status != SR_ST_ACTIVE) | |
179 | return SR_ERR_DEV_CLOSED; | |
180 | ||
81a9ab72 AJ |
181 | if (!(devc = sdi->priv)) { |
182 | sr_err("sdi->priv was NULL."); | |
183 | return SR_ERR_BUG; | |
184 | } | |
185 | ||
5e7a8e57 | 186 | switch (key) { |
81a9ab72 AJ |
187 | case SR_CONF_LIMIT_SAMPLES: |
188 | devc->limit_samples = g_variant_get_uint64(data); | |
189 | sr_dbg("Setting sample limit to %" PRIu64 ".", devc->limit_samples); | |
190 | break; | |
191 | case SR_CONF_LIMIT_MSEC: | |
192 | devc->limit_msec = g_variant_get_uint64(data); | |
193 | sr_dbg("Setting time limit to %" PRIu64 "ms.", devc->limit_msec); | |
194 | break; | |
195 | case SR_CONF_DATA_SOURCE: { | |
7574e58c BV |
196 | tmp_str = g_variant_get_string(data, NULL); |
197 | for (i = 0; i < ARRAY_SIZE(data_sources); i++) | |
81a9ab72 AJ |
198 | if (!strcmp(tmp_str, data_sources[i])) { |
199 | devc->data_source = i; | |
200 | break; | |
201 | } | |
202 | if (i == ARRAY_SIZE(data_sources)) | |
203 | return SR_ERR; | |
204 | break; | |
205 | } | |
5e7a8e57 | 206 | default: |
81a9ab72 | 207 | return SR_ERR_NA; |
5e7a8e57 AJ |
208 | } |
209 | ||
81a9ab72 | 210 | return SR_OK; |
5e7a8e57 AJ |
211 | } |
212 | ||
213 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
214 | const struct sr_probe_group *probe_group) | |
215 | { | |
5e7a8e57 | 216 | (void)sdi; |
5e7a8e57 AJ |
217 | (void)probe_group; |
218 | ||
5e7a8e57 | 219 | switch (key) { |
81a9ab72 AJ |
220 | case SR_CONF_SCAN_OPTIONS: |
221 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
222 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
223 | break; | |
224 | case SR_CONF_DEVICE_OPTIONS: | |
225 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
226 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
227 | break; | |
228 | case SR_CONF_DATA_SOURCE: | |
229 | *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources)); | |
230 | break; | |
5e7a8e57 AJ |
231 | default: |
232 | return SR_ERR_NA; | |
233 | } | |
234 | ||
81a9ab72 | 235 | return SR_OK; |
5e7a8e57 AJ |
236 | } |
237 | ||
238 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
7574e58c | 239 | void *cb_data) |
5e7a8e57 | 240 | { |
7574e58c | 241 | struct sr_serial_dev_inst *serial; |
81a9ab72 | 242 | struct dev_context *devc; |
5e7a8e57 | 243 | |
7574e58c | 244 | serial = sdi->conn; |
5e7a8e57 AJ |
245 | if (sdi->status != SR_ST_ACTIVE) |
246 | return SR_ERR_DEV_CLOSED; | |
247 | ||
81a9ab72 AJ |
248 | if (!(devc = sdi->priv)) { |
249 | sr_err("sdi->priv was NULL."); | |
250 | return SR_ERR_BUG; | |
251 | } | |
5e7a8e57 | 252 | |
81a9ab72 | 253 | devc->session_cb_data = cb_data; |
5e7a8e57 | 254 | |
81a9ab72 AJ |
255 | /* |
256 | * Reset the number of samples to take. If we've already collected our | |
257 | * quota, but we start a new session, and don't reset this, we'll just | |
258 | * quit without acquiring any new samples. | |
259 | */ | |
260 | devc->num_samples = 0; | |
261 | devc->start_time = g_get_monotonic_time(); | |
5e7a8e57 | 262 | |
81a9ab72 AJ |
263 | /* Send header packet to the session bus. */ |
264 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
5e7a8e57 | 265 | |
81a9ab72 AJ |
266 | /* Poll every 50ms, or whenever some data comes in. */ |
267 | serial_source_add(serial, G_IO_IN, 50, appa_55ii_receive_data, (void *)sdi); | |
5e7a8e57 AJ |
268 | |
269 | return SR_OK; | |
270 | } | |
271 | ||
81a9ab72 AJ |
272 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
273 | { | |
274 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, | |
7574e58c | 275 | sdi->conn, LOG_PREFIX); |
81a9ab72 AJ |
276 | } |
277 | ||
5e7a8e57 AJ |
278 | SR_PRIV struct sr_dev_driver appa_55ii_driver_info = { |
279 | .name = "appa-55ii", | |
280 | .longname = "APPA 55II", | |
281 | .api_version = 1, | |
282 | .init = init, | |
283 | .cleanup = cleanup, | |
284 | .scan = scan, | |
285 | .dev_list = dev_list, | |
286 | .dev_clear = dev_clear, | |
287 | .config_get = config_get, | |
288 | .config_set = config_set, | |
289 | .config_list = config_list, | |
81a9ab72 AJ |
290 | .dev_open = std_serial_dev_open, |
291 | .dev_close = std_serial_dev_close, | |
5e7a8e57 AJ |
292 | .dev_acquisition_start = dev_acquisition_start, |
293 | .dev_acquisition_stop = dev_acquisition_stop, | |
5e7a8e57 | 294 | }; |