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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 | ||
a0e0bb41 | 23 | static const uint32_t scanopts[] = { |
81a9ab72 AJ |
24 | SR_CONF_CONN, |
25 | SR_CONF_SERIALCOMM, | |
26 | }; | |
27 | ||
42a47a9a | 28 | static const uint32_t drvopts[] = { |
81a9ab72 | 29 | SR_CONF_THERMOMETER, |
42a47a9a BV |
30 | }; |
31 | ||
32 | static const uint32_t devopts[] = { | |
33 | SR_CONF_CONTINUOUS | SR_CONF_SET, | |
5827f61b BV |
34 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
35 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
36 | SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
81a9ab72 AJ |
37 | }; |
38 | ||
39 | static const char *data_sources[] = { | |
40 | "Live", | |
41 | "Memory", | |
42 | }; | |
43 | ||
5e7a8e57 | 44 | SR_PRIV struct sr_dev_driver appa_55ii_driver_info; |
5e7a8e57 | 45 | |
4f840ce9 | 46 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) |
5e7a8e57 AJ |
47 | { |
48 | return std_init(sr_ctx, di, LOG_PREFIX); | |
49 | } | |
50 | ||
4f840ce9 | 51 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
5e7a8e57 AJ |
52 | { |
53 | struct drv_context *drvc; | |
81a9ab72 AJ |
54 | struct dev_context *devc; |
55 | struct sr_serial_dev_inst *serial; | |
56 | struct sr_dev_inst *sdi; | |
7574e58c BV |
57 | struct sr_config *src; |
58 | GSList *devices, *l; | |
59 | const char *conn, *serialcomm; | |
81a9ab72 | 60 | uint8_t buf[50]; |
7574e58c | 61 | size_t len; |
81a9ab72 | 62 | |
7574e58c BV |
63 | len = sizeof(buf); |
64 | devices = NULL; | |
65 | conn = serialcomm = NULL; | |
81a9ab72 | 66 | for (l = options; l; l = l->next) { |
7574e58c | 67 | src = l->data; |
81a9ab72 AJ |
68 | switch (src->key) { |
69 | case SR_CONF_CONN: | |
70 | conn = g_variant_get_string(src->data, NULL); | |
71 | break; | |
72 | case SR_CONF_SERIALCOMM: | |
73 | serialcomm = g_variant_get_string(src->data, NULL); | |
74 | break; | |
75 | } | |
76 | } | |
77 | if (!conn) | |
78 | return NULL; | |
79 | if (!serialcomm) | |
80 | serialcomm = "9600/8n1"; | |
81 | ||
91219afc UH |
82 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
83 | ||
25dd0831 | 84 | if (serial_open(serial, SERIAL_RDONLY) != SR_OK) |
81a9ab72 | 85 | return NULL; |
5e7a8e57 | 86 | |
81a9ab72 | 87 | sr_info("Probing serial port %s.", conn); |
5e7a8e57 | 88 | |
41812aca | 89 | drvc = di->context; |
5e7a8e57 | 90 | drvc->instances = NULL; |
81a9ab72 AJ |
91 | serial_flush(serial); |
92 | ||
93 | /* Let's get a bit of data and see if we can find a packet. */ | |
94 | if (serial_stream_detect(serial, buf, &len, 25, | |
7574e58c | 95 | appa_55ii_packet_valid, 500, 9600) != SR_OK) |
81a9ab72 AJ |
96 | goto scan_cleanup; |
97 | ||
98 | sr_info("Found device on port %s.", conn); | |
99 | ||
aac29cc1 | 100 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
101 | sdi->status = SR_ST_INACTIVE; |
102 | sdi->vendor = g_strdup("APPA"); | |
103 | sdi->model = g_strdup("55II"); | |
f57d8ffe | 104 | devc = g_malloc0(sizeof(struct dev_context)); |
81a9ab72 | 105 | devc->data_source = DEFAULT_DATA_SOURCE; |
81a9ab72 AJ |
106 | sdi->inst_type = SR_INST_SERIAL; |
107 | sdi->conn = serial; | |
108 | sdi->priv = devc; | |
109 | sdi->driver = di; | |
5e7a8e57 | 110 | |
5e23fcab ML |
111 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "T1"); |
112 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "T2"); | |
81a9ab72 AJ |
113 | |
114 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
115 | devices = g_slist_append(devices, sdi); | |
116 | ||
117 | scan_cleanup: | |
118 | serial_close(serial); | |
5e7a8e57 AJ |
119 | |
120 | return devices; | |
121 | } | |
122 | ||
4f840ce9 | 123 | static GSList *dev_list(const struct sr_dev_driver *di) |
5e7a8e57 | 124 | { |
41812aca | 125 | return ((struct drv_context *)(di->context))->instances; |
5e7a8e57 AJ |
126 | } |
127 | ||
4f840ce9 | 128 | static int cleanup(const struct sr_dev_driver *di) |
5e7a8e57 | 129 | { |
a6630742 | 130 | return std_dev_clear(di, NULL); |
5e7a8e57 AJ |
131 | } |
132 | ||
584560f1 | 133 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 134 | const struct sr_channel_group *cg) |
5e7a8e57 | 135 | { |
81a9ab72 | 136 | struct dev_context *devc = sdi->priv; |
5e7a8e57 | 137 | |
53b4680f | 138 | (void)cg; |
5e7a8e57 | 139 | |
5e7a8e57 | 140 | switch (key) { |
81a9ab72 AJ |
141 | case SR_CONF_LIMIT_SAMPLES: |
142 | *data = g_variant_new_uint64(devc->limit_samples); | |
143 | break; | |
144 | case SR_CONF_LIMIT_MSEC: | |
145 | *data = g_variant_new_uint64(devc->limit_msec); | |
146 | break; | |
147 | case SR_CONF_DATA_SOURCE: | |
148 | *data = g_variant_new_string(data_sources[devc->data_source]); | |
149 | break; | |
5e7a8e57 AJ |
150 | default: |
151 | return SR_ERR_NA; | |
152 | } | |
153 | ||
81a9ab72 | 154 | return SR_OK; |
5e7a8e57 AJ |
155 | } |
156 | ||
584560f1 | 157 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 158 | const struct sr_channel_group *cg) |
5e7a8e57 | 159 | { |
81a9ab72 | 160 | struct dev_context *devc; |
7574e58c BV |
161 | const char *tmp_str; |
162 | unsigned int i; | |
5e7a8e57 | 163 | |
53b4680f | 164 | (void)cg; |
5e7a8e57 AJ |
165 | |
166 | if (sdi->status != SR_ST_ACTIVE) | |
167 | return SR_ERR_DEV_CLOSED; | |
168 | ||
81a9ab72 AJ |
169 | if (!(devc = sdi->priv)) { |
170 | sr_err("sdi->priv was NULL."); | |
171 | return SR_ERR_BUG; | |
172 | } | |
173 | ||
5e7a8e57 | 174 | switch (key) { |
81a9ab72 AJ |
175 | case SR_CONF_LIMIT_SAMPLES: |
176 | devc->limit_samples = g_variant_get_uint64(data); | |
81a9ab72 AJ |
177 | break; |
178 | case SR_CONF_LIMIT_MSEC: | |
179 | devc->limit_msec = g_variant_get_uint64(data); | |
81a9ab72 AJ |
180 | break; |
181 | case SR_CONF_DATA_SOURCE: { | |
7574e58c BV |
182 | tmp_str = g_variant_get_string(data, NULL); |
183 | for (i = 0; i < ARRAY_SIZE(data_sources); i++) | |
81a9ab72 AJ |
184 | if (!strcmp(tmp_str, data_sources[i])) { |
185 | devc->data_source = i; | |
186 | break; | |
187 | } | |
188 | if (i == ARRAY_SIZE(data_sources)) | |
189 | return SR_ERR; | |
190 | break; | |
191 | } | |
5e7a8e57 | 192 | default: |
81a9ab72 | 193 | return SR_ERR_NA; |
5e7a8e57 AJ |
194 | } |
195 | ||
81a9ab72 | 196 | return SR_OK; |
5e7a8e57 AJ |
197 | } |
198 | ||
584560f1 | 199 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 200 | const struct sr_channel_group *cg) |
5e7a8e57 | 201 | { |
53b4680f | 202 | (void)cg; |
5e7a8e57 | 203 | |
5e7a8e57 | 204 | switch (key) { |
81a9ab72 | 205 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 206 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
a0e0bb41 | 207 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
81a9ab72 AJ |
208 | break; |
209 | case SR_CONF_DEVICE_OPTIONS: | |
42a47a9a BV |
210 | if (!sdi) |
211 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
212 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); | |
213 | else | |
214 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
215 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
81a9ab72 AJ |
216 | break; |
217 | case SR_CONF_DATA_SOURCE: | |
218 | *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources)); | |
219 | break; | |
5e7a8e57 AJ |
220 | default: |
221 | return SR_ERR_NA; | |
222 | } | |
223 | ||
81a9ab72 | 224 | return SR_OK; |
5e7a8e57 AJ |
225 | } |
226 | ||
227 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
7574e58c | 228 | void *cb_data) |
5e7a8e57 | 229 | { |
7574e58c | 230 | struct sr_serial_dev_inst *serial; |
81a9ab72 | 231 | struct dev_context *devc; |
5e7a8e57 | 232 | |
7574e58c | 233 | serial = sdi->conn; |
5e7a8e57 AJ |
234 | if (sdi->status != SR_ST_ACTIVE) |
235 | return SR_ERR_DEV_CLOSED; | |
236 | ||
81a9ab72 AJ |
237 | if (!(devc = sdi->priv)) { |
238 | sr_err("sdi->priv was NULL."); | |
239 | return SR_ERR_BUG; | |
240 | } | |
5e7a8e57 | 241 | |
81a9ab72 | 242 | devc->session_cb_data = cb_data; |
5e7a8e57 | 243 | |
81a9ab72 AJ |
244 | /* |
245 | * Reset the number of samples to take. If we've already collected our | |
246 | * quota, but we start a new session, and don't reset this, we'll just | |
247 | * quit without acquiring any new samples. | |
248 | */ | |
249 | devc->num_samples = 0; | |
250 | devc->start_time = g_get_monotonic_time(); | |
5e7a8e57 | 251 | |
81a9ab72 AJ |
252 | /* Send header packet to the session bus. */ |
253 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
5e7a8e57 | 254 | |
81a9ab72 | 255 | /* Poll every 50ms, or whenever some data comes in. */ |
102f1239 BV |
256 | serial_source_add(sdi->session, serial, G_IO_IN, 50, |
257 | appa_55ii_receive_data, (void *)sdi); | |
5e7a8e57 AJ |
258 | |
259 | return SR_OK; | |
260 | } | |
261 | ||
81a9ab72 AJ |
262 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
263 | { | |
76b4d4f4 UH |
264 | return std_serial_dev_acquisition_stop(sdi, cb_data, |
265 | std_serial_dev_close, sdi->conn, LOG_PREFIX); | |
81a9ab72 AJ |
266 | } |
267 | ||
5e7a8e57 AJ |
268 | SR_PRIV struct sr_dev_driver appa_55ii_driver_info = { |
269 | .name = "appa-55ii", | |
270 | .longname = "APPA 55II", | |
271 | .api_version = 1, | |
272 | .init = init, | |
273 | .cleanup = cleanup, | |
274 | .scan = scan, | |
275 | .dev_list = dev_list, | |
a6630742 | 276 | .dev_clear = NULL, |
5e7a8e57 AJ |
277 | .config_get = config_get, |
278 | .config_set = config_set, | |
279 | .config_list = config_list, | |
81a9ab72 AJ |
280 | .dev_open = std_serial_dev_open, |
281 | .dev_close = std_serial_dev_close, | |
5e7a8e57 AJ |
282 | .dev_acquisition_start = dev_acquisition_start, |
283 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 284 | .context = NULL, |
5e7a8e57 | 285 | }; |