]> sigrok.org Git - libsigrok.git/blame_incremental - src/hardware/teleinfo/api.c
Pass driver struct pointer to driver callbacks.
[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
20#include <stdlib.h>
21#include <glib.h>
22#include "libsigrok.h"
23#include "libsigrok-internal.h"
24#include "protocol.h"
25
26static const uint32_t scanopts[] = {
27 SR_CONF_CONN,
28 SR_CONF_SERIALCOMM,
29};
30
31static const uint32_t devopts[] = {
32 SR_CONF_ENERGYMETER,
33 SR_CONF_CONTINUOUS,
34 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
35 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
36};
37
38SR_PRIV struct sr_dev_driver teleinfo_driver_info;
39
40static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
41{
42 return std_init(sr_ctx, di, LOG_PREFIX);
43}
44
45static GSList *scan(struct sr_dev_driver *di, GSList *options)
46{
47 struct drv_context *drvc;
48 struct dev_context *devc;
49 struct sr_serial_dev_inst *serial;
50 struct sr_dev_inst *sdi;
51 GSList *devices = NULL, *l;
52 const char *conn = NULL, *serialcomm = NULL;
53 uint8_t buf[292];
54 size_t len;
55 struct sr_config *src;
56
57 len = sizeof(buf);
58
59 for (l = options; l; l = l->next) {
60 src = l->data;
61 switch (src->key) {
62 case SR_CONF_CONN:
63 conn = g_variant_get_string(src->data, NULL);
64 break;
65 case SR_CONF_SERIALCOMM:
66 serialcomm = g_variant_get_string(src->data, NULL);
67 break;
68 }
69 }
70 if (!conn)
71 return NULL;
72 if (!serialcomm)
73 serialcomm = "1200/7e1";
74
75 serial = sr_serial_dev_inst_new(conn, serialcomm);
76
77 if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
78 return NULL;
79
80 sr_info("Probing serial port %s.", conn);
81
82 drvc = di->priv;
83 drvc->instances = NULL;
84 serial_flush(serial);
85
86 /* Let's get a bit of data and see if we can find a packet. */
87 if (serial_stream_detect(serial, buf, &len, len,
88 teleinfo_packet_valid, 3000, 1200) != SR_OK)
89 goto scan_cleanup;
90
91 sr_info("Found device on port %s.", conn);
92
93 sdi = g_malloc0(sizeof(struct sr_dev_inst));
94 sdi->status = SR_ST_INACTIVE;
95 sdi->vendor = g_strdup("EDF");
96 sdi->model = g_strdup("Teleinfo");
97 devc = g_malloc0(sizeof(struct dev_context));
98 devc->optarif = teleinfo_get_optarif(buf);
99 sdi->inst_type = SR_INST_SERIAL;
100 sdi->conn = serial;
101 sdi->priv = devc;
102 sdi->driver = di;
103
104 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P");
105
106 if (devc->optarif == OPTARIF_BASE) {
107 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "BASE");
108 } else if (devc->optarif == OPTARIF_HC) {
109 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HP");
110 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HC");
111 } else if (devc->optarif == OPTARIF_EJP) {
112 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HN");
113 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HPM");
114 } else if (devc->optarif == OPTARIF_BBR) {
115 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HPJB");
116 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HPJW");
117 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HPJR");
118 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HCJB");
119 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HCJW");
120 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HCJR");
121 }
122
123 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "IINST");
124 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "PAPP");
125
126 drvc->instances = g_slist_append(drvc->instances, sdi);
127 devices = g_slist_append(devices, sdi);
128
129scan_cleanup:
130 serial_close(serial);
131
132 return devices;
133}
134
135static GSList *dev_list(const struct sr_dev_driver *di)
136{
137 return ((struct drv_context *)(di->priv))->instances;
138}
139
140static int cleanup(const struct sr_dev_driver *di)
141{
142 return std_dev_clear(di, NULL);
143}
144
145static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
146 const struct sr_channel_group *cg)
147{
148 struct dev_context *devc;
149
150 (void)cg;
151
152 if (sdi->status != SR_ST_ACTIVE)
153 return SR_ERR_DEV_CLOSED;
154
155 if (!(devc = sdi->priv)) {
156 sr_err("sdi->priv was NULL.");
157 return SR_ERR_BUG;
158 }
159
160 switch (key) {
161 case SR_CONF_LIMIT_SAMPLES:
162 devc->limit_samples = g_variant_get_uint64(data);
163 sr_dbg("Setting sample limit to %" PRIu64 ".", devc->limit_samples);
164 break;
165 case SR_CONF_LIMIT_MSEC:
166 devc->limit_msec = g_variant_get_uint64(data);
167 sr_dbg("Setting time limit to %" PRIu64 "ms.", devc->limit_msec);
168 break;
169 default:
170 return SR_ERR_NA;
171 }
172
173 return SR_OK;
174}
175
176static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
177 const struct sr_channel_group *cg)
178{
179 (void)sdi;
180 (void)cg;
181
182 switch (key) {
183 case SR_CONF_SCAN_OPTIONS:
184 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
185 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
186 break;
187 case SR_CONF_DEVICE_OPTIONS:
188 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
189 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
190 break;
191 default:
192 return SR_ERR_NA;
193 }
194
195 return SR_OK;
196}
197
198static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
199{
200 struct sr_serial_dev_inst *serial = sdi->conn;
201 struct dev_context *devc;
202
203 if (sdi->status != SR_ST_ACTIVE)
204 return SR_ERR_DEV_CLOSED;
205
206 if (!(devc = sdi->priv)) {
207 sr_err("sdi->priv was NULL.");
208 return SR_ERR_BUG;
209 }
210
211 devc->session_cb_data = cb_data;
212
213 /*
214 * Reset the number of samples to take. If we've already collected our
215 * quota, but we start a new session, and don't reset this, we'll just
216 * quit without acquiring any new samples.
217 */
218 devc->num_samples = 0;
219 devc->start_time = g_get_monotonic_time();
220
221 /* Send header packet to the session bus. */
222 std_session_send_df_header(cb_data, LOG_PREFIX);
223
224 /* Poll every 50ms, or whenever some data comes in. */
225 serial_source_add(sdi->session, serial, G_IO_IN, 50,
226 teleinfo_receive_data, (void *)sdi);
227
228 return SR_OK;
229}
230
231static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
232{
233 return std_serial_dev_acquisition_stop(sdi, cb_data,
234 std_serial_dev_close, sdi->conn, LOG_PREFIX);
235}
236
237SR_PRIV struct sr_dev_driver teleinfo_driver_info = {
238 .name = "teleinfo",
239 .longname = "Teleinfo",
240 .api_version = 1,
241 .init = init,
242 .cleanup = cleanup,
243 .scan = scan,
244 .dev_list = dev_list,
245 .dev_clear = NULL,
246 .config_get = NULL,
247 .config_set = config_set,
248 .config_list = config_list,
249 .dev_open = std_serial_dev_open,
250 .dev_close = std_serial_dev_close,
251 .dev_acquisition_start = dev_acquisition_start,
252 .dev_acquisition_stop = dev_acquisition_stop,
253 .priv = NULL,
254};