You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
2.3 KiB
111 lines
2.3 KiB
/////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// test-fc15.cc is part of TestModbus-Server.
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "tcp.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#define SIZE_BUFFER 4096
|
|
int main (int argc, char **argv) {
|
|
unsigned char data[] = { 0x00,0x70,0x00,0x00 , 0x00,0x0B,0x01,0x10 ,
|
|
0x00,0x04,0x00,0x02 , 0x04,0xC0,0x02,0x7B ,
|
|
0xA5 };
|
|
|
|
char buffer[SIZE_BUFFER];
|
|
int pos;
|
|
TCP tcp;
|
|
int port;
|
|
int i,c;
|
|
int regstart;
|
|
int regcnt;
|
|
uint8_t ui8;
|
|
uint16_t ui16;
|
|
float f;
|
|
|
|
memset (buffer, 0x00, SIZE_BUFFER);
|
|
|
|
if (argc < 3) {
|
|
printf("test-fc15 server port register values.[01010101]..\n");
|
|
printf("test-fc15 localhost 502 16 1111100000001010000\n");
|
|
return 0;
|
|
}
|
|
|
|
port = atoi (argv[2]);
|
|
printf ("%d connecting to: %s:%d\n", argc, argv[1], port);
|
|
if (tcp.Connect(argv[1], port) != 1) {
|
|
printf ("could not connect.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (argc == 3) {
|
|
tcp.Write((char*)data, sizeof(data));
|
|
}
|
|
else if (argc > 4) {
|
|
regstart = atoi (argv[3]);
|
|
regcnt = strlen(argv[4]);
|
|
|
|
printf ("writing %d floats, offset %d\n", regcnt, regstart);
|
|
|
|
// construct modbus protocol
|
|
pos = 0;
|
|
|
|
// transact id
|
|
ui16 = 0;
|
|
memcpy (buffer+pos, &ui16, sizeof(ui16));
|
|
pos += sizeof(ui16);
|
|
|
|
// proitocol id
|
|
ui16 = 0;
|
|
memcpy (buffer+pos, &ui16, sizeof(ui16));
|
|
pos += sizeof(ui16);
|
|
|
|
// lenght
|
|
ui16 = htons(4 + regcnt/8);
|
|
memcpy (buffer+pos, &ui16, sizeof(ui16));
|
|
pos += sizeof(ui16);
|
|
|
|
// device id
|
|
ui8 = 1;
|
|
memcpy (buffer+pos, &ui8, sizeof(ui8));
|
|
pos += sizeof(ui8);
|
|
|
|
// function code
|
|
ui8 = 15;
|
|
memcpy (buffer+pos, &ui8, sizeof(ui8));
|
|
pos += sizeof(ui8);
|
|
|
|
// starting address
|
|
ui16 = htons((uint16_t)regstart);
|
|
memcpy (buffer+pos, &ui16, sizeof(ui16));
|
|
pos += sizeof(ui16);
|
|
|
|
// number of registers
|
|
ui16 = htons((uint16_t)regcnt);
|
|
memcpy (buffer+pos, &ui16, sizeof(ui16));
|
|
pos += sizeof(ui16);
|
|
|
|
// number of bytes
|
|
ui8 = regcnt*4;
|
|
memcpy (buffer+pos, &ui8, sizeof(ui8));
|
|
pos += sizeof(ui8);
|
|
|
|
buffer[pos] = 0;
|
|
for (i = 0; i < regcnt; i++) {
|
|
if (i > 0 && i % 8 == 0) {
|
|
pos++;
|
|
buffer[pos] = 0;
|
|
}
|
|
if (argv[4][i] == '1') buffer[pos] |= (1 << i%8);
|
|
}
|
|
pos++;
|
|
|
|
tcp.Write((char*)buffer, pos);
|
|
}
|
|
tcp.Close();
|
|
|
|
return 0;
|
|
};
|