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-rw-r--r--modbuslog.c61
1 files changed, 54 insertions, 7 deletions
diff --git a/modbuslog.c b/modbuslog.c
index 0649215..ec0acc4 100644
--- a/modbuslog.c
+++ b/modbuslog.c
@@ -24,6 +24,10 @@
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/select.h>
+#include <signal.h>
#include <libconfig.h>
#include <modbus.h>
@@ -33,10 +37,18 @@
#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";
+ const char *CONFIG_FILE = "modbuslog.cfg";
config_t cfg;
//config_setting_t *setting;
@@ -59,18 +71,13 @@ const char *CONFIG_FILE = "modbuslog.cfg";
return -1;
}
- modbus_t *ctx;
- uint16_t tab_reg[64];
- int rc;
- int i;
-
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, "Check modbus configuration in configuration file.\n");
+ fprintf(stderr, "Incomplete modbus configuration. Check configuration file.\n");
return -1;
}
@@ -78,6 +85,44 @@ const char *CONFIG_FILE = "modbuslog.cfg";
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);
@@ -114,3 +159,5 @@ modbus_free(ctx);
return 0;
}
+
+*/