]> sigrok.org Git - libsigrok.git/blame_incremental - src/hardware/teleinfo/api.c
uni-t-ut181a: silence compiler warning, use of uninitialized variable
[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 <config.h>
21#include <stdlib.h>
22#include <glib.h>
23#include <libsigrok/libsigrok.h>
24#include "libsigrok-internal.h"
25#include "protocol.h"
26
27static const uint32_t scanopts[] = {
28 SR_CONF_CONN,
29 SR_CONF_SERIALCOMM,
30};
31
32static const uint32_t drvopts[] = {
33 SR_CONF_ENERGYMETER,
34};
35
36static const uint32_t devopts[] = {
37 SR_CONF_CONTINUOUS,
38 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
39 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
40};
41
42static GSList *scan(struct sr_dev_driver *di, GSList *options)
43{
44 struct dev_context *devc;
45 struct sr_serial_dev_inst *serial;
46 struct sr_dev_inst *sdi;
47 GSList *devices = NULL, *l;
48 const char *conn = NULL, *serialcomm = NULL;
49 uint8_t buf[292];
50 size_t len;
51 struct sr_config *src;
52
53 len = sizeof(buf);
54
55 for (l = options; l; l = l->next) {
56 src = l->data;
57 switch (src->key) {
58 case SR_CONF_CONN:
59 conn = g_variant_get_string(src->data, NULL);
60 break;
61 case SR_CONF_SERIALCOMM:
62 serialcomm = g_variant_get_string(src->data, NULL);
63 break;
64 }
65 }
66 if (!conn)
67 return NULL;
68 if (!serialcomm)
69 serialcomm = "1200/7e1";
70
71 serial = sr_serial_dev_inst_new(conn, serialcomm);
72
73 if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
74 return NULL;
75
76 sr_info("Probing serial port %s.", conn);
77
78 /* Let's get a bit of data and see if we can find a packet. */
79 if (serial_stream_detect(serial, buf, &len, len,
80 teleinfo_packet_valid, NULL, NULL, 3000) != SR_OK)
81 goto scan_cleanup;
82
83 sr_info("Found device on port %s.", conn);
84
85 sdi = g_malloc0(sizeof(struct sr_dev_inst));
86 sdi->status = SR_ST_INACTIVE;
87 sdi->vendor = g_strdup("EDF");
88 sdi->model = g_strdup("Teleinfo");
89 devc = g_malloc0(sizeof(struct dev_context));
90 devc->optarif = teleinfo_get_optarif(buf);
91 sdi->inst_type = SR_INST_SERIAL;
92 sdi->conn = serial;
93 sdi->priv = devc;
94
95 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P");
96
97 if (devc->optarif == OPTARIF_BASE) {
98 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "BASE");
99 } else if (devc->optarif == OPTARIF_HC) {
100 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HP");
101 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HC");
102 } else if (devc->optarif == OPTARIF_EJP) {
103 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HN");
104 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HPM");
105 } else if (devc->optarif == OPTARIF_BBR) {
106 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HPJB");
107 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HPJW");
108 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HPJR");
109 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HCJB");
110 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HCJW");
111 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HCJR");
112 }
113
114 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "IINST");
115 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "PAPP");
116
117 devices = g_slist_append(devices, sdi);
118
119scan_cleanup:
120 serial_close(serial);
121
122 return std_scan_complete(di, devices);
123}
124
125static int config_set(uint32_t key, GVariant *data,
126 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
127{
128 struct dev_context *devc;
129
130 (void)cg;
131
132 devc = sdi->priv;
133
134 return sr_sw_limits_config_set(&devc->sw_limits, key, data);
135}
136
137static int config_list(uint32_t key, GVariant **data,
138 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
139{
140 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
141}
142
143static int dev_acquisition_start(const struct sr_dev_inst *sdi)
144{
145 struct sr_serial_dev_inst *serial = sdi->conn;
146 struct dev_context *devc;
147
148 devc = sdi->priv;
149
150 sr_sw_limits_acquisition_start(&devc->sw_limits);
151
152 std_session_send_df_header(sdi);
153
154 serial_source_add(sdi->session, serial, G_IO_IN, 50,
155 teleinfo_receive_data, (void *)sdi);
156
157 return SR_OK;
158}
159
160static struct sr_dev_driver teleinfo_driver_info = {
161 .name = "teleinfo",
162 .longname = "Teleinfo",
163 .api_version = 1,
164 .init = std_init,
165 .cleanup = std_cleanup,
166 .scan = scan,
167 .dev_list = std_dev_list,
168 .dev_clear = std_dev_clear,
169 .config_get = NULL,
170 .config_set = config_set,
171 .config_list = config_list,
172 .dev_open = std_serial_dev_open,
173 .dev_close = std_serial_dev_close,
174 .dev_acquisition_start = dev_acquisition_start,
175 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
176 .context = NULL,
177};
178SR_REGISTER_DEV_DRIVER(teleinfo_driver_info);