X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fteleinfo%2Fprotocol.c;h=c87ea8a1f10b37b55491600b6414617d5e3ec0fc;hb=HEAD;hp=28dfcfa1fbd3b950ebb22a6ce9945dbfce3ea9b8;hpb=5542bee61b0e18e9ae3fa6edb361b8ed1bb77425;p=libsigrok.git diff --git a/hardware/teleinfo/protocol.c b/hardware/teleinfo/protocol.c deleted file mode 100644 index 28dfcfa1..00000000 --- a/hardware/teleinfo/protocol.c +++ /dev/null @@ -1,231 +0,0 @@ -/* - * This file is part of the libsigrok project. - * - * Copyright (C) 2013 Aurelien Jacobs - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include -#include -#include -#include "protocol.h" - -#define STX 0x02 -#define ETX 0x03 -#define EOT 0x04 -#define LF 0x0A -#define CR 0x0D - -static gboolean teleinfo_control_check(char *label, char *data, char control) -{ - int sum = 0; - while (*label) - sum += *label++; - sum += ' '; - while (*data) - sum += *data++; - return ((sum & 0x3F) + ' ') == control; -} - -static gint teleinfo_probe_compare(gconstpointer a, gconstpointer b) -{ - const struct sr_probe *probe = a; - const char *name = b; - return strcmp(probe->name, name); -} - -static struct sr_probe *teleinfo_find_probe(struct sr_dev_inst *sdi, - const char *name) -{ - GSList *elem = g_slist_find_custom(sdi->probes, name, - teleinfo_probe_compare); - return elem ? elem->data : NULL; -} - -static void teleinfo_send_value(struct sr_dev_inst *sdi, const char *probe_name, - float value, int mq, int unit) -{ - struct dev_context *devc = sdi->priv; - struct sr_datafeed_packet packet; - struct sr_datafeed_analog analog = { 0 }; - struct sr_probe *probe = teleinfo_find_probe(sdi, probe_name); - - if (!probe || !probe->enabled) - return; - - analog.probes = g_slist_append(analog.probes, probe); - analog.num_samples = 1; - analog.mq = mq; - analog.unit = unit; - analog.data = &value; - - packet.type = SR_DF_ANALOG; - packet.payload = &analog; - sr_session_send(devc->session_cb_data, &packet); - g_slist_free(analog.probes); -} - -static void teleinfo_handle_mesurement(struct sr_dev_inst *sdi, - const char *label, const char *data, - char *optarif) -{ - struct dev_context *devc; - int v = atoi(data); - - if (!sdi || !(devc = sdi->priv)) { - if (optarif && !strcmp(label, "OPTARIF")) - strcpy(optarif, data); - return; - } - - if (!strcmp(label, "ADCO")) { - devc->num_samples++; - } else if (!strcmp(label, "BASE")) { - teleinfo_send_value(sdi, "BASE", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR); - } else if (!strcmp(label, "HCHP")) { - teleinfo_send_value(sdi, "HP" , v, SR_MQ_POWER, SR_UNIT_WATT_HOUR); - } else if (!strcmp(label, "HCHC")) { - teleinfo_send_value(sdi, "HC" , v, SR_MQ_POWER, SR_UNIT_WATT_HOUR); - } else if (!strcmp(label, "EJPHN")) { - teleinfo_send_value(sdi, "HN" , v, SR_MQ_POWER, SR_UNIT_WATT_HOUR); - } else if (!strcmp(label, "EJPHPM")) { - teleinfo_send_value(sdi, "HPM" , v, SR_MQ_POWER, SR_UNIT_WATT_HOUR); - } else if (!strcmp(label, "BBRHPJB")) { - teleinfo_send_value(sdi, "HPJB", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR); - } else if (!strcmp(label, "BBRHPJW")) { - teleinfo_send_value(sdi, "HPJW", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR); - } else if (!strcmp(label, "BBRHPJR")) { - teleinfo_send_value(sdi, "HPJR", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR); - } else if (!strcmp(label, "BBRHCJB")) { - teleinfo_send_value(sdi, "HCJB", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR); - } else if (!strcmp(label, "BBRHCJW")) { - teleinfo_send_value(sdi, "HCJW", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR); - } else if (!strcmp(label, "BBRHCJR")) { - teleinfo_send_value(sdi, "HCJR", v, SR_MQ_POWER, SR_UNIT_WATT_HOUR); - } else if (!strcmp(label, "IINST")) { - teleinfo_send_value(sdi, "IINST", v, SR_MQ_CURRENT, SR_UNIT_AMPERE); - } else if (!strcmp(label, "PAPP")) { - teleinfo_send_value(sdi, "PAPP", v, SR_MQ_POWER, SR_UNIT_VOLT_AMPERE); - } -} - -static gboolean teleinfo_parse_group(struct sr_dev_inst *sdi, - const uint8_t *group, char *optarif) -{ - char label[9], data[13], control, cr; - const char *str = (const char *) group; - if (sscanf(str, "\x0A%8s %13s %c%c", label, data, &control, &cr) != 4 - || cr != CR) - return FALSE; - if (!teleinfo_control_check(label, data, control)) - return FALSE; - teleinfo_handle_mesurement(sdi, label, data, optarif); - return TRUE; -} - -static const uint8_t *teleinfo_parse_data(struct sr_dev_inst *sdi, - const uint8_t *buf, int len, - char *optarif) -{ - const uint8_t *group_start = memchr(buf, LF, len); - if (!group_start) - return NULL; - - const uint8_t *group_end = memchr(group_start, CR, - len - (group_start - buf)); - if (!group_end) - return NULL; - - teleinfo_parse_group(sdi, group_start, optarif); - return group_end + 1; -} - -SR_PRIV int teleinfo_get_optarif(const uint8_t *buf) -{ - const uint8_t *ptr = buf; - char optarif[5] = { 0 }; - - while ((ptr = teleinfo_parse_data(NULL, ptr, 292-(ptr-buf), optarif))); - if (!strcmp(optarif, "BASE")) - return OPTARIF_BASE; - else if (!strcmp(optarif, "HC..")) - return OPTARIF_HC; - else if (!strcmp(optarif, "EJP.")) - return OPTARIF_EJP; - else if (!strncmp(optarif, "BBR", 3)) - return OPTARIF_BBR; - return OPTARIF_NONE; -} - -SR_PRIV gboolean teleinfo_packet_valid(const uint8_t *buf) -{ - return !!teleinfo_get_optarif(buf); -} - -SR_PRIV int teleinfo_receive_data(int fd, int revents, void *cb_data) -{ - struct sr_dev_inst *sdi; - struct dev_context *devc; - struct sr_serial_dev_inst *serial; - const uint8_t *ptr, *next_ptr, *end_ptr; - int len; - - (void)fd; - - if (!(sdi = cb_data) || !(devc = sdi->priv) || revents != G_IO_IN) - return TRUE; - serial = sdi->conn; - - /* Try to get as much data as the buffer can hold. */ - len = TELEINFO_BUF_SIZE - devc->buf_len; - len = serial_read(serial, devc->buf + devc->buf_len, len); - if (len < 1) { - sr_err("Serial port read error: %d.", len); - return FALSE; - } - devc->buf_len += len; - - /* Now look for packets in that data. */ - ptr = devc->buf; - end_ptr = ptr + devc->buf_len; - while ((next_ptr = teleinfo_parse_data(sdi, ptr, end_ptr - ptr, NULL))) - ptr = next_ptr; - - /* If we have any data left, move it to the beginning of our buffer. */ - memmove(devc->buf, ptr, end_ptr - ptr); - devc->buf_len -= ptr - devc->buf; - - /* If buffer is full and no valid packet was found, wipe buffer. */ - if (devc->buf_len >= TELEINFO_BUF_SIZE) { - devc->buf_len = 0; - return FALSE; - } - - if (devc->limit_samples && devc->num_samples >= devc->limit_samples) { - sr_info("Requested number of samples reached."); - sdi->driver->dev_acquisition_stop(sdi, devc->session_cb_data); - return TRUE; - } - - if (devc->limit_msec) { - int64_t time = (g_get_monotonic_time() - devc->start_time) / 1000; - if (time > (int64_t)devc->limit_msec) { - sr_info("Requested time limit reached."); - sdi->driver->dev_acquisition_stop(sdi, devc->session_cb_data); - return TRUE; - } - } - return TRUE; -}