2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 Aurelien Jacobs <aurel@gnuage.org>
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.
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.
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/>.
32 static gboolean teleinfo_control_check(char *label, char *data, char control)
40 return ((sum & 0x3F) + ' ') == control;
43 static gint teleinfo_channel_compare(gconstpointer a, gconstpointer b)
45 const struct sr_channel *ch = a;
47 return strcmp(ch->name, name);
50 static struct sr_channel *teleinfo_find_channel(struct sr_dev_inst *sdi,
53 GSList *elem = g_slist_find_custom(sdi->channels, name,
54 teleinfo_channel_compare);
55 return elem ? elem->data : NULL;
58 static void teleinfo_send_value(struct sr_dev_inst *sdi, const char *channel_name,
59 float value, enum sr_mq mq, enum sr_unit unit)
61 struct sr_datafeed_packet packet;
62 struct sr_datafeed_analog analog;
63 struct sr_analog_encoding encoding;
64 struct sr_analog_meaning meaning;
65 struct sr_analog_spec spec;
66 struct sr_channel *ch;
68 ch = teleinfo_find_channel(sdi, channel_name);
70 if (!ch || !ch->enabled)
73 /* Note: digits/spec_digits is actually really 0 for this device! */
74 sr_analog_init(&analog, &encoding, &meaning, &spec, 0);
75 analog.meaning->channels = g_slist_append(analog.meaning->channels, ch);
76 analog.num_samples = 1;
77 analog.meaning->mq = mq;
78 analog.meaning->unit = unit;
81 packet.type = SR_DF_ANALOG;
82 packet.payload = &analog;
83 sr_session_send(sdi, &packet);
84 g_slist_free(analog.meaning->channels);
87 static void teleinfo_handle_measurement(struct sr_dev_inst *sdi,
88 const char *label, const char *data, char *optarif)
90 struct dev_context *devc;
93 if (!sdi || !(devc = sdi->priv)) {
94 if (optarif && !strcmp(label, "OPTARIF"))
95 strcpy(optarif, data);
99 if (!strcmp(label, "ADCO")) {
100 sr_sw_limits_update_samples_read(&devc->sw_limits, 1);
101 } else if (!strcmp(label, "BASE")) {
102 teleinfo_send_value(sdi, "BASE", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR);
103 } else if (!strcmp(label, "HCHP")) {
104 teleinfo_send_value(sdi, "HP" , v, SR_MQ_POWER, SR_UNIT_WATT_HOUR);
105 } else if (!strcmp(label, "HCHC")) {
106 teleinfo_send_value(sdi, "HC" , v, SR_MQ_POWER, SR_UNIT_WATT_HOUR);
107 } else if (!strcmp(label, "EJPHN")) {
108 teleinfo_send_value(sdi, "HN" , v, SR_MQ_POWER, SR_UNIT_WATT_HOUR);
109 } else if (!strcmp(label, "EJPHPM")) {
110 teleinfo_send_value(sdi, "HPM" , v, SR_MQ_POWER, SR_UNIT_WATT_HOUR);
111 } else if (!strcmp(label, "BBRHPJB")) {
112 teleinfo_send_value(sdi, "HPJB", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR);
113 } else if (!strcmp(label, "BBRHPJW")) {
114 teleinfo_send_value(sdi, "HPJW", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR);
115 } else if (!strcmp(label, "BBRHPJR")) {
116 teleinfo_send_value(sdi, "HPJR", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR);
117 } else if (!strcmp(label, "BBRHCJB")) {
118 teleinfo_send_value(sdi, "HCJB", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR);
119 } else if (!strcmp(label, "BBRHCJW")) {
120 teleinfo_send_value(sdi, "HCJW", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR);
121 } else if (!strcmp(label, "BBRHCJR")) {
122 teleinfo_send_value(sdi, "HCJR", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR);
123 } else if (!strcmp(label, "IINST")) {
124 teleinfo_send_value(sdi, "IINST", v, SR_MQ_CURRENT, SR_UNIT_AMPERE);
125 } else if (!strcmp(label, "PAPP")) {
126 teleinfo_send_value(sdi, "PAPP", v, SR_MQ_POWER, SR_UNIT_VOLT_AMPERE);
130 static gboolean teleinfo_parse_group(struct sr_dev_inst *sdi,
131 const uint8_t *group, char *optarif)
133 char label[9], data[13], control, cr;
134 const char *str = (const char *)group;
135 if (sscanf(str, "\x0A%8s %13s %c%c", label, data, &control, &cr) != 4
138 if (!teleinfo_control_check(label, data, control))
140 teleinfo_handle_measurement(sdi, label, data, optarif);
144 static const uint8_t *teleinfo_parse_data(struct sr_dev_inst *sdi,
145 const uint8_t *buf, int len,
148 const uint8_t *group_start, *group_end;
150 group_start = memchr(buf, LF, len);
154 group_end = memchr(group_start, CR, len - (group_start - buf));
158 teleinfo_parse_group(sdi, group_start, optarif);
159 return group_end + 1;
162 SR_PRIV int teleinfo_get_optarif(const uint8_t *buf)
164 const uint8_t *ptr = buf;
165 char optarif[5] = { 0 };
167 while ((ptr = teleinfo_parse_data(NULL, ptr, 292-(ptr-buf), optarif)));
168 if (!strcmp(optarif, "BASE"))
170 else if (!strcmp(optarif, "HC.."))
172 else if (!strcmp(optarif, "EJP."))
174 else if (!strncmp(optarif, "BBR", 3))
179 SR_PRIV gboolean teleinfo_packet_valid(const uint8_t *buf)
181 return !!teleinfo_get_optarif(buf);
184 SR_PRIV int teleinfo_receive_data(int fd, int revents, void *cb_data)
186 struct sr_dev_inst *sdi;
187 struct dev_context *devc;
188 struct sr_serial_dev_inst *serial;
189 const uint8_t *ptr, *next_ptr, *end_ptr;
194 if (!(sdi = cb_data) || !(devc = sdi->priv) || revents != G_IO_IN)
198 /* Try to get as much data as the buffer can hold. */
199 len = TELEINFO_BUF_SIZE - devc->buf_len;
200 len = serial_read_nonblocking(serial, devc->buf + devc->buf_len, len);
202 sr_err("Serial port read error: %d.", len);
205 devc->buf_len += len;
207 /* Now look for packets in that data. */
209 end_ptr = ptr + devc->buf_len;
210 while ((next_ptr = teleinfo_parse_data(sdi, ptr, end_ptr - ptr, NULL)))
213 /* If we have any data left, move it to the beginning of our buffer. */
214 memmove(devc->buf, ptr, end_ptr - ptr);
215 devc->buf_len -= ptr - devc->buf;
217 /* If buffer is full and no valid packet was found, wipe buffer. */
218 if (devc->buf_len >= TELEINFO_BUF_SIZE) {
223 if (sr_sw_limits_check(&devc->sw_limits))
224 sdi->driver->dev_acquisition_stop(sdi);