--- /dev/null
+/****************************************************************************
+ * Get data from sensors and decode
+ *
+ * main.c
+ *
+ *
+ * Copyright 2013-2014 Nathael Pajani <nathael.pajani@ed3l.fr>
+ *
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ ****************************************************************************/
+
+
+/* this protocol handler is designed to run on a host replacing the DTPlug,
+ * but should be easy to use as a source for the protocol handling code for
+ * the DTPlug itself.
+ */
+
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <string.h>
+#include <errno.h>
+#include <getopt.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/select.h>
+#include <sys/time.h>
+#include "serial_utils.h"
+
+
+#define BUF_SIZE 100
+
+#define PROG_NAME "Sensors polling and decode"
+#define VERSION "0.1"
+
+
+void help(char *prog_name)
+{
+ fprintf(stderr, "---------------- "PROG_NAME" --------------------------------\n");
+ fprintf(stderr, "Usage: %s [options]\n" \
+ " Available options:\n" \
+ " \t -d | --device : Serial device to use for serial communication with the module\n" \
+ " \t -h | --help : Print this help\n" \
+ " \t -v | --version : Print programm version\n" \
+ " All other arguments are data for the command, handled depending on the command.\n", prog_name);
+ fprintf(stderr, "-----------------------------------------------------------------------\n");
+}
+
+#define MSG_LEN 150
+char data[MSG_LEN];
+int data_idx = 0;
+
+
+int protocol_decode(char c)
+{
+ if (data_idx == 0) {
+ if (c == '#') {
+ data[0] = c;
+ data_idx = 1;
+ }
+ return 0;
+ }
+ if (data_idx > 0) {
+ data[data_idx] = c;
+ if (c == '$') {
+ data_idx = 0;
+ return 1;
+ }
+ data_idx++;
+ if (data_idx >= MSG_LEN) {
+ data_idx = 0;
+ }
+ }
+ return 0;
+}
+
+int main(int argc, char* argv[])
+{
+ /* Serial */
+ char* device = NULL;
+ int slave_fd = 0;
+
+ while(1) {
+ int option_index = 0;
+ int c = 0;
+
+ struct option long_options[] = {
+ {"device", required_argument, 0, 'd'},
+ {"help", no_argument, 0, 'h'},
+ {"version", no_argument, 0, 'v'},
+ {0, 0, 0, 0}
+ };
+
+ c = getopt_long(argc, argv, "d:hv", long_options, &option_index);
+
+ /* no more options to parse */
+ if (c == -1) break;
+ switch (c) {
+
+ /* d, device */
+ case 'd':
+ device = optarg;
+ break;
+
+ /* v, version */
+ case 'v':
+ printf("%s Version %s\n", PROG_NAME, VERSION);
+ return 0;
+ break;
+
+ /* h, help */
+ case 'h':
+ default:
+ help(argv[0]);
+ return 0;
+ }
+ }
+
+
+ /* Need Serial port as parameter */
+ if (device == NULL) {
+ printf("Error, need serial (tty) device\n");
+ help(argv[0]);
+ return -1;
+ }
+
+ /* Open tty */
+ slave_fd = serial_setup(device);
+ if (slave_fd < 0) {
+ printf("Unable to open specified serial port %s\n", device);
+ return -2;
+ }
+
+ /* ************************************************* */
+ /* And never stop handling data ! */
+ while (1) {
+ int len = 0, ret = 0;
+ struct timeval now;
+ char buf[BUF_SIZE];
+ int idx = 0;
+
+ /* Send periodic requests for temperature */
+ gettimeofday(&now, NULL);
+
+ memset(buf, 0, BUF_SIZE);
+ /* Get serial data and try to build a packet */
+ len = read(slave_fd, buf, BUF_SIZE);
+ if (len <= 0) {
+ if (len < 0) {
+ perror("serial read error");
+ } else {
+ /* Read returnd 0 ... EOF */
+ printf("Serial disapeared ... closing and re-opening\n");
+ }
+ close(slave_fd);
+ do {
+ slave_fd = serial_setup(device);
+ if (slave_fd < 0) {
+ printf("Waiting for serial port %s\n", device);
+ usleep(10 * 1000);
+ }
+ } while (slave_fd < 0);
+ continue;
+ } else {
+ write(2, buf, len);
+ }
+ while (idx < len) {
+ ret = protocol_decode(buf[idx]);
+ /* Check return code to know if we have a valid packet */
+ if (ret == 1) {
+ /* Valid packet received, parse data */
+ char mode;
+ int loop, solar_prod_value, home_conso_value;
+ float diff;
+ int water_centi_degrees, deci_degrees_power, deci_degrees_disp;
+ int load_power_lowest, load_power_highest, zc_cnt, command_val;
+ int act_cmd, fan_on, force_fan;
+ int error_shutdown, temp_shutdown, overvoltage;
+ int external_disable, forced_heater_mode, manual_activation_request;
+
+ sscanf(data, "#%c:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d$",
+ &mode, &loop, &solar_prod_value, &home_conso_value,
+ &water_centi_degrees, &deci_degrees_power, &deci_degrees_disp,
+ &load_power_lowest, &load_power_highest, &zc_cnt, &command_val,
+ &act_cmd, &fan_on, &force_fan, &error_shutdown, &temp_shutdown, &overvoltage,
+ &external_disable, &forced_heater_mode, &manual_activation_request);
+ diff = ((float)(solar_prod_value - home_conso_value) / 1000);
+
+ /* Display data */
+ printf("\e[H"); /* Goto terminal home (top left) */
+ printf("\e[KMode: %c, Loop: %d, ZC: %d\n", mode, loop, zc_cnt);
+ printf("\e[KProd: % 2d.%02dA, Conso: % 2d.%02dA, delta: %.2fA\n",
+ (solar_prod_value / 1000), ((solar_prod_value % 1000) / 10),
+ (home_conso_value / 1000), ((home_conso_value % 1000) / 10),
+ diff);
+ printf("\e[KCmd: %03d/%03d, Fan:%d/%d\n", command_val, act_cmd, fan_on, force_fan);
+ printf("\e[KWater: % 2d.%02d°C\n", (water_centi_degrees / 100), (water_centi_degrees % 100));
+ printf("\e[KInternal TempP: % 2d.%d°C, TempD: % 2d.%d°C\n",
+ (deci_degrees_power / 10), (deci_degrees_power % 10),
+ (deci_degrees_disp / 10), (deci_degrees_disp % 10));
+ printf("\e[KLoad: %03d - %03d\n", load_power_lowest, load_power_highest);
+ printf("\e[KExtdis: %d, Forced: %d, Manual: %d, ErrSD: %d, TempSD: %d, OverV: %d\n",
+ external_disable, forced_heater_mode, manual_activation_request,
+ error_shutdown, temp_shutdown, overvoltage);
+ printf("\e[K\n");
+ }
+
+ idx++;
+ }
+
+ } /* End of infinite loop */
+
+ close(slave_fd);
+ return 0;
+}
+
+
--- /dev/null
+/*********************************************************************
+ *
+ * Serial utility functions
+ *
+ *
+ * Copyright 2012-2014 Nathael Pajani <nathael.pajani@ed3l.fr>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ *********************************************************************/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+
+#define SERIAL_BAUD B115200
+
+
+int serial_setup(char* name)
+{
+ struct termios tio;
+ int fd = -1;
+
+ /* Open serial port */
+ fd = open(name, O_RDWR);
+ if (fd < 0) {
+ perror("Unable to open communication with companion chip");
+ return -1;
+ }
+ /* Setup serial port */
+ memset(&tio, 0, sizeof(tio));
+ tio.c_cflag = CS8 | CREAD | CLOCAL; /* 8n1, see termios.h for more information */
+ tio.c_cc[VMIN] = 1;
+ tio.c_cc[VTIME] = 5;
+ cfsetospeed(&tio, SERIAL_BAUD);
+ cfsetispeed(&tio, SERIAL_BAUD);
+ tcsetattr(fd, TCSANOW, &tio);
+
+ return fd;
+}
+
