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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 | ||
20 | #include <stdlib.h> | |
21 | #include <glib.h> | |
22 | #include "libsigrok.h" | |
23 | #include "libsigrok-internal.h" | |
24 | #include "protocol.h" | |
25 | ||
26 | static const int32_t hwopts[] = { | |
27 | SR_CONF_CONN, | |
28 | SR_CONF_SERIALCOMM, | |
29 | }; | |
30 | ||
31 | static const int32_t hwcaps[] = { | |
32 | SR_CONF_ENERGYMETER, | |
33 | SR_CONF_LIMIT_SAMPLES, | |
34 | SR_CONF_LIMIT_MSEC, | |
35 | SR_CONF_CONTINUOUS, | |
36 | }; | |
37 | ||
38 | SR_PRIV struct sr_dev_driver teleinfo_driver_info; | |
39 | static struct sr_dev_driver *di = &teleinfo_driver_info; | |
40 | ||
41 | static int init(struct sr_context *sr_ctx) | |
42 | { | |
43 | return std_init(sr_ctx, di, LOG_PREFIX); | |
44 | } | |
45 | ||
46 | static GSList *scan(GSList *options) | |
47 | { | |
48 | struct drv_context *drvc; | |
49 | struct dev_context *devc; | |
50 | struct sr_serial_dev_inst *serial; | |
51 | struct sr_dev_inst *sdi; | |
52 | struct sr_channel *ch; | |
53 | GSList *devices = NULL, *l; | |
54 | const char *conn = NULL, *serialcomm = NULL; | |
55 | uint8_t buf[292]; | |
56 | size_t len; | |
57 | struct sr_config *src; | |
58 | ||
59 | len = sizeof(buf); | |
60 | ||
61 | for (l = options; l; l = l->next) { | |
62 | src = l->data; | |
63 | switch (src->key) { | |
64 | case SR_CONF_CONN: | |
65 | conn = g_variant_get_string(src->data, NULL); | |
66 | break; | |
67 | case SR_CONF_SERIALCOMM: | |
68 | serialcomm = g_variant_get_string(src->data, NULL); | |
69 | break; | |
70 | } | |
71 | } | |
72 | if (!conn) | |
73 | return NULL; | |
74 | if (!serialcomm) | |
75 | serialcomm = "1200/7e1"; | |
76 | ||
77 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) | |
78 | return NULL; | |
79 | if (serial_open(serial, SERIAL_RDONLY | SERIAL_NONBLOCK) != SR_OK) | |
80 | return NULL; | |
81 | ||
82 | sr_info("Probing serial port %s.", conn); | |
83 | ||
84 | drvc = di->priv; | |
85 | drvc->instances = NULL; | |
86 | serial_flush(serial); | |
87 | ||
88 | /* Let's get a bit of data and see if we can find a packet. */ | |
89 | if (serial_stream_detect(serial, buf, &len, len, | |
90 | teleinfo_packet_valid, 3000, 1200) != SR_OK) | |
91 | goto scan_cleanup; | |
92 | ||
93 | sr_info("Found device on port %s.", conn); | |
94 | ||
95 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "EDF", "Teleinfo", ""))) | |
96 | goto scan_cleanup; | |
97 | ||
98 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
99 | sr_err("Device context malloc failed."); | |
100 | goto scan_cleanup; | |
101 | } | |
102 | ||
103 | devc->optarif = teleinfo_get_optarif(buf); | |
104 | ||
105 | sdi->inst_type = SR_INST_SERIAL; | |
106 | sdi->conn = serial; | |
107 | sdi->priv = devc; | |
108 | sdi->driver = di; | |
109 | ||
110 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P"))) | |
111 | goto scan_cleanup; | |
112 | sdi->channels = g_slist_append(sdi->channels, ch); | |
113 | ||
114 | if (devc->optarif == OPTARIF_BASE) { | |
115 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "BASE"))) | |
116 | goto scan_cleanup; | |
117 | sdi->channels = g_slist_append(sdi->channels, ch); | |
118 | } else if (devc->optarif == OPTARIF_HC) { | |
119 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HP"))) | |
120 | goto scan_cleanup; | |
121 | sdi->channels = g_slist_append(sdi->channels, ch); | |
122 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HC"))) | |
123 | goto scan_cleanup; | |
124 | sdi->channels = g_slist_append(sdi->channels, ch); | |
125 | } else if (devc->optarif == OPTARIF_EJP) { | |
126 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HN"))) | |
127 | goto scan_cleanup; | |
128 | sdi->channels = g_slist_append(sdi->channels, ch); | |
129 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HPM"))) | |
130 | goto scan_cleanup; | |
131 | sdi->channels = g_slist_append(sdi->channels, ch); | |
132 | } else if (devc->optarif == OPTARIF_BBR) { | |
133 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HPJB"))) | |
134 | goto scan_cleanup; | |
135 | sdi->channels = g_slist_append(sdi->channels, ch); | |
136 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HPJW"))) | |
137 | goto scan_cleanup; | |
138 | sdi->channels = g_slist_append(sdi->channels, ch); | |
139 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HPJR"))) | |
140 | goto scan_cleanup; | |
141 | sdi->channels = g_slist_append(sdi->channels, ch); | |
142 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HCJB"))) | |
143 | goto scan_cleanup; | |
144 | sdi->channels = g_slist_append(sdi->channels, ch); | |
145 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HCJW"))) | |
146 | goto scan_cleanup; | |
147 | sdi->channels = g_slist_append(sdi->channels, ch); | |
148 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HCJR"))) | |
149 | goto scan_cleanup; | |
150 | sdi->channels = g_slist_append(sdi->channels, ch); | |
151 | } | |
152 | ||
153 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "IINST"))) | |
154 | goto scan_cleanup; | |
155 | sdi->channels = g_slist_append(sdi->channels, ch); | |
156 | ||
157 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "PAPP"))) | |
158 | goto scan_cleanup; | |
159 | sdi->channels = g_slist_append(sdi->channels, ch); | |
160 | ||
161 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
162 | devices = g_slist_append(devices, sdi); | |
163 | ||
164 | scan_cleanup: | |
165 | serial_close(serial); | |
166 | ||
167 | return devices; | |
168 | } | |
169 | ||
170 | static GSList *dev_list(void) | |
171 | { | |
172 | return ((struct drv_context *)(di->priv))->instances; | |
173 | } | |
174 | ||
175 | static int cleanup(void) | |
176 | { | |
177 | return std_dev_clear(di, NULL); | |
178 | } | |
179 | ||
180 | static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, | |
181 | const struct sr_channel_group *cg) | |
182 | { | |
183 | struct dev_context *devc; | |
184 | ||
185 | (void)cg; | |
186 | ||
187 | if (sdi->status != SR_ST_ACTIVE) | |
188 | return SR_ERR_DEV_CLOSED; | |
189 | ||
190 | if (!(devc = sdi->priv)) { | |
191 | sr_err("sdi->priv was NULL."); | |
192 | return SR_ERR_BUG; | |
193 | } | |
194 | ||
195 | switch (key) { | |
196 | case SR_CONF_LIMIT_SAMPLES: | |
197 | devc->limit_samples = g_variant_get_uint64(data); | |
198 | sr_dbg("Setting sample limit to %" PRIu64 ".", devc->limit_samples); | |
199 | break; | |
200 | case SR_CONF_LIMIT_MSEC: | |
201 | devc->limit_msec = g_variant_get_uint64(data); | |
202 | sr_dbg("Setting time limit to %" PRIu64 "ms.", devc->limit_msec); | |
203 | break; | |
204 | default: | |
205 | return SR_ERR_NA; | |
206 | } | |
207 | ||
208 | return SR_OK; | |
209 | } | |
210 | ||
211 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
212 | const struct sr_channel_group *cg) | |
213 | { | |
214 | (void)sdi; | |
215 | (void)cg; | |
216 | ||
217 | switch (key) { | |
218 | case SR_CONF_SCAN_OPTIONS: | |
219 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
220 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
221 | break; | |
222 | case SR_CONF_DEVICE_OPTIONS: | |
223 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
224 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
225 | break; | |
226 | default: | |
227 | return SR_ERR_NA; | |
228 | } | |
229 | ||
230 | return SR_OK; | |
231 | } | |
232 | ||
233 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
234 | { | |
235 | struct sr_serial_dev_inst *serial = sdi->conn; | |
236 | struct dev_context *devc; | |
237 | ||
238 | if (sdi->status != SR_ST_ACTIVE) | |
239 | return SR_ERR_DEV_CLOSED; | |
240 | ||
241 | if (!(devc = sdi->priv)) { | |
242 | sr_err("sdi->priv was NULL."); | |
243 | return SR_ERR_BUG; | |
244 | } | |
245 | ||
246 | devc->session_cb_data = cb_data; | |
247 | ||
248 | /* | |
249 | * Reset the number of samples to take. If we've already collected our | |
250 | * quota, but we start a new session, and don't reset this, we'll just | |
251 | * quit without acquiring any new samples. | |
252 | */ | |
253 | devc->num_samples = 0; | |
254 | devc->start_time = g_get_monotonic_time(); | |
255 | ||
256 | /* Send header packet to the session bus. */ | |
257 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
258 | ||
259 | /* Poll every 50ms, or whenever some data comes in. */ | |
260 | serial_source_add(serial, G_IO_IN, 50, teleinfo_receive_data, (void *)sdi); | |
261 | ||
262 | return SR_OK; | |
263 | } | |
264 | ||
265 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
266 | { | |
267 | return std_serial_dev_acquisition_stop(sdi, cb_data, | |
268 | std_serial_dev_close, sdi->conn, LOG_PREFIX); | |
269 | } | |
270 | ||
271 | SR_PRIV struct sr_dev_driver teleinfo_driver_info = { | |
272 | .name = "teleinfo", | |
273 | .longname = "Teleinfo", | |
274 | .api_version = 1, | |
275 | .init = init, | |
276 | .cleanup = cleanup, | |
277 | .scan = scan, | |
278 | .dev_list = dev_list, | |
279 | .dev_clear = NULL, | |
280 | .config_get = NULL, | |
281 | .config_set = config_set, | |
282 | .config_list = config_list, | |
283 | .dev_open = std_serial_dev_open, | |
284 | .dev_close = std_serial_dev_close, | |
285 | .dev_acquisition_start = dev_acquisition_start, | |
286 | .dev_acquisition_stop = dev_acquisition_stop, | |
287 | .priv = NULL, | |
288 | }; |