/* * modbuslog * * Copyright (C) 2011 Jonathan McCrohan * * 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 . */ // gcc modbuslog.c -o modbuslog `pkg-config --libs --cflags libmodbus libconfig` #include #include #include #include #include #include #include #include #include #include #define SLAVE_ID 1 #define START_ADDRESS 0 #define NUMBER_REGISTERS 14 #define DEBUG 1 void minute_check(int signum){ alarm(60); } int main(int argc, char *argv[]) { const char *CONFIG_FILE = "modbuslog.cfg"; config_t cfg; //config_setting_t *setting; const char *modbus_device_address; int modbus_baud_rate; int modbus_data_bits; const char *modbus_parity; int modbus_stop_bits; config_init(&cfg); if(!config_read_file(&cfg, CONFIG_FILE)) { fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg), config_error_line(&cfg), config_error_text(&cfg)); config_destroy(&cfg); fprintf(stderr, "Unable to find CONFIG_FILE.\n"); return -1; } if(!(config_lookup_string(&cfg, "modbus.device", &modbus_device_address) && config_lookup_int(&cfg, "modbus.baud", &modbus_baud_rate) && config_lookup_int(&cfg, "modbus.data_bits", &modbus_data_bits) && config_lookup_string(&cfg, "modbus.parity", &modbus_parity) && config_lookup_int(&cfg, "modbus.stop_bits", &modbus_stop_bits)) ){ fprintf(stderr, "Incomplete modbus configuration. Check configuration file.\n"); return -1; } if(DEBUG){ printf("%s %d %c %d %d\n",modbus_device_address, modbus_baud_rate, modbus_parity[0], modbus_data_bits, modbus_stop_bits); } modbus_t *ctx; uint16_t tab_reg[64]; int rc; int i; signal(SIGALRM, minute_check); alarm(60); for (;;){ select(0, NULL, NULL, NULL, NULL); time_t t = time(NULL); //int unixtime_min = (((int) t)/60*60); int unixtime = (int) t; printf("%d\n", unixtime); config_setting_t *registers; registers = config_lookup(&cfg, "register"); unsigned int num_registers = config_setting_length(registers); int i; for(i = 0; i < num_registers; ++i){ config_setting_t *register_element = config_setting_get_elem(registers, i); int slaveid; config_setting_lookup_int(register_element, "slaveid", &slaveid); printf("%d ", slaveid); } printf("\n"); } } /* ctx = modbus_new_rtu(modbus_device_address, modbus_baud_rate, modbus_parity[0], modbus_data_bits, modbus_stop_bits); modbus_set_slave(ctx, SLAVE_ID); modbus_set_debug(ctx, DEBUG); if (ctx == NULL) { fprintf(stderr, "Unable to create libmodbus object.\n"); return -1; } if (modbus_connect(ctx) == -1) { fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno)); modbus_free(ctx); return -1; } rc = modbus_read_input_registers(ctx, START_ADDRESS, NUMBER_REGISTERS, tab_reg); if (rc == -1) { fprintf(stderr, "ERROR: %s\n", modbus_strerror(errno)); return -1; } for (i=0; i < rc; i=i+2) { printf("reg[%d]=%d\n", i, tab_reg[i]+tab_reg[i+1]); } modbus_close(ctx); modbus_free(ctx); return 0; } */ aaa145390dc7e221e7828&follow=1'>Add details to patch.Jonathan McCrohan1-0/+5 2012-02-06Promote myself to maintainer.Jonathan McCrohan3-9/+8 2012-02-05Change to dpkg-source 3.0Jonathan McCrohan1-2/+2 2012-02-05Update broken handcrafted patchJonathan McCrohan1-2/+2 2012-02-05Use 3.0 (quilt)Jonathan McCrohan2-2/+2 2012-02-05Use 3.0 (quilt)Jonathan McCrohan3-0/+13 2012-02-05Use quiltJonathan McCrohan3-6/+9 2012-02-05Update changelogJonathan McCrohan1-1/+6 2012-02-05clean up packagingJonathan McCrohan2-2/+1 2012-02-05fix errorsJonathan McCrohan3-10/+3 2012-02-05Undo accidental source changesJonathan McCrohan2-9/+9 2012-02-05Add patch to remove copyingJonathan McCrohan2-1/+9