]> sigrok.org Git - libsigrok.git/blame - src/hardware/teleinfo/api.c
Don't check sr_channel_new() return value (always succeeds).
[libsigrok.git] / src / hardware / teleinfo / api.c
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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
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20#include <stdlib.h>
21#include <glib.h>
22#include "libsigrok.h"
23#include "libsigrok-internal.h"
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24#include "protocol.h"
25
a0e0bb41 26static const uint32_t scanopts[] = {
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27 SR_CONF_CONN,
28 SR_CONF_SERIALCOMM,
29};
30
f254bc4b 31static const uint32_t devopts[] = {
5542bee6 32 SR_CONF_ENERGYMETER,
5542bee6 33 SR_CONF_CONTINUOUS,
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34 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
35 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
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36};
37
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38SR_PRIV struct sr_dev_driver teleinfo_driver_info;
39static struct sr_dev_driver *di = &teleinfo_driver_info;
40
41static int init(struct sr_context *sr_ctx)
42{
43 return std_init(sr_ctx, di, LOG_PREFIX);
44}
45
46static GSList *scan(GSList *options)
47{
48 struct drv_context *drvc;
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49 struct dev_context *devc;
50 struct sr_serial_dev_inst *serial;
51 struct sr_dev_inst *sdi;
ba7dd8bb 52 struct sr_channel *ch;
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53 GSList *devices = NULL, *l;
54 const char *conn = NULL, *serialcomm = NULL;
55 uint8_t buf[292];
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56 size_t len;
57 struct sr_config *src;
58
59 len = sizeof(buf);
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60
61 for (l = options; l; l = l->next) {
dafafb0e 62 src = l->data;
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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;
9333691a 79 if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
5542bee6 80 return NULL;
8e796cb4 81
5542bee6 82 sr_info("Probing serial port %s.", conn);
8e796cb4 83
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84 drvc = di->priv;
85 drvc->instances = NULL;
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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
aac29cc1 95 sdi = g_malloc0(sizeof(struct sr_dev_inst));
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96 sdi->status = SR_ST_INACTIVE;
97 sdi->vendor = g_strdup("EDF");
98 sdi->model = g_strdup("Teleinfo");
f57d8ffe 99 devc = g_malloc0(sizeof(struct dev_context));
5542bee6 100 devc->optarif = teleinfo_get_optarif(buf);
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101 sdi->inst_type = SR_INST_SERIAL;
102 sdi->conn = serial;
103 sdi->priv = devc;
104 sdi->driver = di;
105
c368e6f3 106 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P");
ba7dd8bb 107 sdi->channels = g_slist_append(sdi->channels, ch);
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108
109 if (devc->optarif == OPTARIF_BASE) {
c368e6f3 110 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "BASE");
ba7dd8bb 111 sdi->channels = g_slist_append(sdi->channels, ch);
5542bee6 112 } else if (devc->optarif == OPTARIF_HC) {
c368e6f3 113 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HP");
ba7dd8bb 114 sdi->channels = g_slist_append(sdi->channels, ch);
c368e6f3 115 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HC");
ba7dd8bb 116 sdi->channels = g_slist_append(sdi->channels, ch);
5542bee6 117 } else if (devc->optarif == OPTARIF_EJP) {
c368e6f3 118 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HN");
ba7dd8bb 119 sdi->channels = g_slist_append(sdi->channels, ch);
c368e6f3 120 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HPM");
ba7dd8bb 121 sdi->channels = g_slist_append(sdi->channels, ch);
5542bee6 122 } else if (devc->optarif == OPTARIF_BBR) {
c368e6f3 123 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HPJB");
ba7dd8bb 124 sdi->channels = g_slist_append(sdi->channels, ch);
c368e6f3 125 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HPJW");
ba7dd8bb 126 sdi->channels = g_slist_append(sdi->channels, ch);
c368e6f3 127 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HPJR");
ba7dd8bb 128 sdi->channels = g_slist_append(sdi->channels, ch);
c368e6f3 129 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HCJB");
ba7dd8bb 130 sdi->channels = g_slist_append(sdi->channels, ch);
c368e6f3 131 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HCJW");
ba7dd8bb 132 sdi->channels = g_slist_append(sdi->channels, ch);
c368e6f3 133 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "HCJR");
ba7dd8bb 134 sdi->channels = g_slist_append(sdi->channels, ch);
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135 }
136
c368e6f3 137 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "IINST");
ba7dd8bb 138 sdi->channels = g_slist_append(sdi->channels, ch);
8e796cb4 139
c368e6f3 140 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "PAPP");
ba7dd8bb 141 sdi->channels = g_slist_append(sdi->channels, ch);
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142
143 drvc->instances = g_slist_append(drvc->instances, sdi);
144 devices = g_slist_append(devices, sdi);
145
146scan_cleanup:
147 serial_close(serial);
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148
149 return devices;
150}
151
152static GSList *dev_list(void)
153{
154 return ((struct drv_context *)(di->priv))->instances;
155}
156
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157static int cleanup(void)
158{
a6630742 159 return std_dev_clear(di, NULL);
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160}
161
584560f1 162static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
53b4680f 163 const struct sr_channel_group *cg)
8e796cb4 164{
5542bee6 165 struct dev_context *devc;
8e796cb4 166
53b4680f 167 (void)cg;
d3c74a6f 168
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169 if (sdi->status != SR_ST_ACTIVE)
170 return SR_ERR_DEV_CLOSED;
171
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172 if (!(devc = sdi->priv)) {
173 sr_err("sdi->priv was NULL.");
174 return SR_ERR_BUG;
175 }
176
8e796cb4 177 switch (key) {
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178 case SR_CONF_LIMIT_SAMPLES:
179 devc->limit_samples = g_variant_get_uint64(data);
180 sr_dbg("Setting sample limit to %" PRIu64 ".", devc->limit_samples);
181 break;
182 case SR_CONF_LIMIT_MSEC:
183 devc->limit_msec = g_variant_get_uint64(data);
184 sr_dbg("Setting time limit to %" PRIu64 "ms.", devc->limit_msec);
185 break;
8e796cb4 186 default:
5542bee6 187 return SR_ERR_NA;
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188 }
189
5542bee6 190 return SR_OK;
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191}
192
584560f1 193static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
53b4680f 194 const struct sr_channel_group *cg)
8e796cb4 195{
8e796cb4 196 (void)sdi;
53b4680f 197 (void)cg;
8e796cb4 198
8e796cb4 199 switch (key) {
5542bee6 200 case SR_CONF_SCAN_OPTIONS:
584560f1 201 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
a0e0bb41 202 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
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203 break;
204 case SR_CONF_DEVICE_OPTIONS:
584560f1 205 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b 206 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
5542bee6 207 break;
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208 default:
209 return SR_ERR_NA;
210 }
211
5542bee6 212 return SR_OK;
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213}
214
5542bee6 215static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
8e796cb4 216{
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217 struct sr_serial_dev_inst *serial = sdi->conn;
218 struct dev_context *devc;
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219
220 if (sdi->status != SR_ST_ACTIVE)
221 return SR_ERR_DEV_CLOSED;
222
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223 if (!(devc = sdi->priv)) {
224 sr_err("sdi->priv was NULL.");
225 return SR_ERR_BUG;
226 }
8e796cb4 227
5542bee6 228 devc->session_cb_data = cb_data;
8e796cb4 229
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230 /*
231 * Reset the number of samples to take. If we've already collected our
232 * quota, but we start a new session, and don't reset this, we'll just
233 * quit without acquiring any new samples.
234 */
235 devc->num_samples = 0;
236 devc->start_time = g_get_monotonic_time();
8e796cb4 237
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238 /* Send header packet to the session bus. */
239 std_session_send_df_header(cb_data, LOG_PREFIX);
8e796cb4 240
5542bee6 241 /* Poll every 50ms, or whenever some data comes in. */
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242 serial_source_add(sdi->session, serial, G_IO_IN, 50,
243 teleinfo_receive_data, (void *)sdi);
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244
245 return SR_OK;
246}
247
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248static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
249{
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250 return std_serial_dev_acquisition_stop(sdi, cb_data,
251 std_serial_dev_close, sdi->conn, LOG_PREFIX);
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252}
253
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254SR_PRIV struct sr_dev_driver teleinfo_driver_info = {
255 .name = "teleinfo",
256 .longname = "Teleinfo",
257 .api_version = 1,
258 .init = init,
259 .cleanup = cleanup,
260 .scan = scan,
261 .dev_list = dev_list,
a6630742 262 .dev_clear = NULL,
dafafb0e 263 .config_get = NULL,
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264 .config_set = config_set,
265 .config_list = config_list,
854434de 266 .dev_open = std_serial_dev_open,
bf2c987f 267 .dev_close = std_serial_dev_close,
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268 .dev_acquisition_start = dev_acquisition_start,
269 .dev_acquisition_stop = dev_acquisition_stop,
dafafb0e 270 .priv = NULL,
8e796cb4 271};