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ThreadMB.pas
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ThreadMB.pas
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unit ThreadMB;
{$IFDEF FPC}
{$MODE Delphi}
{$ENDIF}
interface
uses
Windows,
LCLIntf, LCLType, LMessages,
Classes, SysUtils , IdTCPClient,IdGlobal;
const
fileNameTR = 'TxRx.txt';
type
TModBusPr = record
port: string;
Skorost: integer;
EON: string;
KolBit: integer;
OneOrTwo: byte;
AdressOfUstr: integer;
NachReg_1xxx: integer;
DlinaZprosa_1xxx: integer;
IsOpros_1xxx: Boolean;
NachReg_4xxx: integer;
DlinaZprosa_4xxx: integer;
IsOpros_4xxx: Boolean;
NachReg_0xxx: integer;
DlinaZprosa_0xxx: integer;
IsOpros_0xxx: Boolean;
Function_Reg_3_or_4: Integer;
end;
type
{ ThreadModB }
ThreadModB = class(TThread)
private
{ Private declarations }
protected
procedure Write_reg_4xxx(NomerReg:Integer; Val_write:Double);
procedure Write_reg_0xxx(NomerReg:Integer; Val_write:Boolean);
procedure Execute; override;
end;
var
ComFile : THandle;
Polling : boolean;
sr : string;
chsumm : string;
REG4 : array[0..250] of integer;
REG0 : array[0..125] of integer;
REG1 : array[0..125] of integer;
Must_Out_0xxx : Boolean;
TypeRegOut : Integer;
Stop_Read_ComPort : Boolean;
Now_reading_Type_ModBus: Integer;
Now_reading_ComPort: Boolean;
Com_port_is_open : Boolean;
ModBus_byteT : Integer;
ModBus_byte_xxxT : Integer;
ModBus_0_or_1T : Integer;
Alarm : boolean;
ModBus_Prop_Th : array[1..9] of TModBusPr;
NomerReg_write_4xxx:Integer;
Val_write_4xxx:Double;
NomerReg_write_0xxx:Integer;
Val_write_0xxx:Boolean;
Funct_write_4xxx:Integer = 0;
ModBus_rtu_over_TCP:Integer=0;
IdTCPClient_Thread: TIdTCPClient;
Timeout_M:Integer;
Is_Connect_socket:Boolean = false;
Port_Thread,sr_Kol_Data_Receive: Integer;
Host_Thread,Last_TCP_Mess:String;
Date_TimeLastOprosGood:TDateTime;
sr_temp, Data_Receive: string;
sr_data: array [-1 .. 65000] of Byte;
Type_Reg4XXX : Integer;
implementation
uses Modbus, Math;
{ ThreadModB }
// ****************************************************
function st_to_Hex(st: string): string;
var
i, m : Integer;
stt : string;
begin
stt := '';
if Length(st) > 0 then
for i := 1 to Length(st) do
begin
m := ord(st[i]);
stt := stt + ' ' + IntToHex(m, 2);
end;
st_to_Hex := stt;
end;
procedure LogToFile(st, fname: string);
var
LogFile : textfile;
begin
try
if not Form1.ZapisObmen.Checked then
exit;
AssignFile(LogFile, fname);
if FileExists(fname) then
Append(LogFile)
else
Rewrite(LogFile);
Writeln(LogFile, st);
CloseFile(LogFile);
except
end;
end;
function StrToH(s: string): string;
var
st, stt: string;
k: Integer;
begin
stt := '';
for k := 1 to Length(s) do
stt := stt + IntToHex(ord(s[k]), 2) + ' ';
Result := stt;
end;
procedure CheckSumm(s: string);
// До сих пор удивляюсь, почему это работает
var
Generator : longint;
CRC : Longint;
i : Integer;
j : Integer;
L : Integer;
Bit : Boolean;
Temp : Byte;
CHrab : char;
Lenght : integer;
CRC16 : string;
begin
Lenght := Length(s);
CRC := 65535;
Generator := 40961;
for i := 1 to Lenght do
begin
CHrab := s[i];
Temp := ord(CHrab);
CRC := CRC xor Temp;
for j := 1 to 8 do
begin
Bit := true;
L := CRC and 1;
if L = 0 then
Bit := false;
CRC := CRC div 2;
if Bit = True then
CRC := CRC xor Generator;
end; // Next j;
end; // Next i
Str(CRC, s); //
CRC16 := Chr(CRC mod 256) + Chr(CRC div 256);
chsumm := CRC16;
end;
function OpenCOMPort: Boolean;
var
DeviceName : array[0..255] of Char;
begin
// Выбор порта
if ModBus_rtu_over_TCP>0 then
begin
Result := True;
exit;
end;
StrPCopy(DeviceName, ModBus_Prop_Th[Now_reading_Type_ModBus].port);
ComFile := CreateFile(DeviceName,
GENERIC_READ or GENERIC_WRITE,
FILE_SHARE_READ or FILE_SHARE_WRITE,
nil,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
0);
if ComFile = INVALID_HANDLE_VALUE then
Result := False
else
begin
Result := True;
Com_port_is_open := True;
end;
end;
// *********************************************
function SetupCOMPort: Boolean;
const
RxBufferSize = 1024;
TxBufferSize = 1024;
var
DCB : TDCB;
Config : string;
CommTimeouts : TCommTimeouts;
begin
if ModBus_rtu_over_TCP>0 then
begin
Result := True;
exit;
end;
Result := True;
if not SetupComm(ComFile, RxBufferSize, TxBufferSize) then
Result := False;
if not GetCommState(ComFile, DCB) then
Result := False;
// define the baudrate, parity,...
Config := 'baud=' + IntToStr(ModBus_Prop_Th[Now_reading_Type_ModBus].Skorost)
+ 'parity=' + {} ModBus_Prop_Th[Now_reading_Type_ModBus].EON +
'data=' +
IntToStr(ModBus_Prop_Th[Now_reading_Type_ModBus].KolBit) + 'stop='
+ IntToStr(ModBus_Prop_Th[Now_reading_Type_ModBus].OneOrTwo);
if not BuildCommDCB(@Config[1], DCB) then
Result := False;
if not SetCommState(ComFile, DCB) then
Result := False;
with CommTimeouts do
begin
ReadIntervalTimeout := Form1.Timeout_ms.Value + 05 + (Round(19 * 9600 /
ModBus_Prop_Th[Now_reading_Type_ModBus].Skorost)) + 2; //0;
ReadTotalTimeoutMultiplier := 0;
ReadTotalTimeoutConstant := Form1.Timeout_ms.Value + 400;
WriteTotalTimeoutMultiplier := 0;
WriteTotalTimeoutConstant := 5 + (Round((8 * 11 /
ModBus_Prop_Th[Now_reading_Type_ModBus].Skorost) * 1000));
end;
if not SetCommTimeouts(ComFile, CommTimeouts) then
Result := False;
end;
function CheckSummCRC2(s: string): string;
// До сих пор удивляюсь, почему это работает
var
Generator : longint;
CRC : Longint;
i : Integer;
j : Integer;
L : Integer;
Bit : Boolean;
Temp : Byte;
CHrab : char;
Lenght : integer;
CRC16, chsumm : string;
begin
CRC16 := '';
Lenght := Length(s);
CRC := 65535;
Generator := 40961;
for i := 1 to Lenght do
begin
CHrab := s[i];
Temp := ord(CHrab);
CRC := CRC xor Temp;
for j := 1 to 8 do
begin
Bit := true;
L := CRC and 1;
if L = 0 then
Bit := false;
CRC := CRC div 2;
if Bit = True then
CRC := CRC xor Generator;
end; // Next j;
end; // Next i
Str(CRC, s); //
CRC16 := Chr(CRC mod 256) + Chr(CRC div 256);
chsumm := CRC16;
CheckSummCRC2 := chsumm;
end;
function ControlSumm(st: string;
NomDevInTh: Integer): Boolean;
var
str : string;
begin
if Length(st) > 2 then
begin
str := st;
Delete(str, length(str) - 2 + 1, 2);
str := str + CheckSummCRC2(str);
if str = st then
ControlSumm := True
else
ControlSumm := False;
end
else
ControlSumm := False;
end;
procedure ReadText_indy;
var
Pd_temp, d: array [1 .. 2048] of Byte;
BytesRead: DWORD;
i, Len_READ_BUFF: Integer;
Result: string;
Is_connect: Boolean;
b2: Byte;
begin
Result := '';
if ModBus_rtu_over_TCP <> 1 then
begin
{$IFDEF UNIX}
{$ELSE}
ReadFile(ComFile, d, sizeof(d), BytesRead, nil)
{$ENDIF}
end
else
begin
BytesRead := 0;
end;
{$IFDEF UNIX}
{$ELSE}
sr := '';
for i := 1 to BytesRead do
begin
sr := sr + chr(d[i]);
end;
{$ENDIF}
// *************************************************************************
sr_Kol_Data_Receive := BytesRead;
for i := 1 to BytesRead do
begin
sr_data[i] := ord(d[i]);
end;
// *************************************************************************
if ModBus_rtu_over_TCP = 1 then
begin
begin
sr := '';
sleep(8);
sleep(Timeout_M);
try
Is_connect := False;
if IdTCPClient_Thread <> nil then
try
Is_connect := IdTCPClient_Thread.Connected;
except
Is_connect := False;
end;
if Is_connect then // IdTCPClient_Thread.Connected
begin
if (ModBus_rtu_over_TCP=1) then
begin
b2 := IdTCPClient_Thread.Socket.ReadByte;
sr := chr(b2);
for i := IdTCPClient_Thread.Socket.InputBuffer.Size -
1 downto 0 do
begin
b2 := IdTCPClient_Thread.Socket.ReadByte;
sr := sr + chr(b2);
end;
end
else
begin
sleep(80);
sleep(Timeout_M);
end;
if Length(sr) > 0 then
begin
if (sr <> '') and (not(ControlSumm(sr, 0))) and
(ModBus_rtu_over_TCP = 1) then
begin
Date_TimeLastOprosGood := now;
sleep(Timeout_M);
sleep(700);
b2 := IdTCPClient_Thread.Socket.ReadByte;
sr := sr + chr(b2);
for i := IdTCPClient_Thread.Socket.InputBuffer.Size -
1 downto 0 do
begin
b2 := IdTCPClient_Thread.Socket.ReadByte;
sr := sr + chr(b2);
end;
if (sr <> '') and (not(ControlSumm(sr, 0))) and
(ModBus_rtu_over_TCP = 1) then
begin
Date_TimeLastOprosGood := now;
sleep(Timeout_M);
sleep(1500);
b2 := IdTCPClient_Thread.Socket.ReadByte;
sr := sr + chr(b2);
for i := IdTCPClient_Thread.Socket.InputBuffer.Size -
1 downto 0 do
begin
b2 := IdTCPClient_Thread.Socket.ReadByte;
sr := sr + chr(b2);
end;
end;
end; //
end;
end
else
begin
sleep(800);
Last_TCP_Mess:=' нет соединения c ' +
IdTCPClient_Thread.Host+':'+IntToStr( IdTCPClient_Thread.Port);
Is_Connect_socket:=false;
if ((EncodeTime(0, 0, 10, 0) + Date_TimeLastOprosGood) < now) then
begin
Last_TCP_Mess:= ' пробую убрать соединение ' +
IdTCPClient_Thread.Host+':'+IntToStr( IdTCPClient_Thread.Port);
IdTCPClient_Thread.Disconnect;
sleep(2000);
IdTCPClient_Thread.Host:=Host_Thread;
IdTCPClient_Thread.Port:=Port_Thread;
Last_TCP_Mess:=' пробую соединиться с ' +
IdTCPClient_Thread.Host+':'+IntToStr( IdTCPClient_Thread.Port);
IdTCPClient_Thread.ConnectTimeout := 10000;
IdTCPClient_Thread.Connect;
Date_TimeLastOprosGood := now;
Is_Connect_socket:=true;
end;
end;
except
Last_TCP_Mess:=' ошибка при чтении пакета от ' +
IdTCPClient_Thread.Host+':'+IntToStr( IdTCPClient_Thread.Port);
if not(Is_Connect_socket) then
Last_TCP_Mess:=' Нет соединения с ' +
IdTCPClient_Thread.Host+':'+IntToStr( IdTCPClient_Thread.Port);
end;
end;
end;
{ }
if sr<>'' then
Last_TCP_Mess:='Принят пакет';//' <- ' + StrToH(sr);
Result := sr;
end;
// ******************************************************
procedure Send_Text_To_indy(s: string);
var
i: Integer;
len: Integer;
{$IFDEF VER220}
y: TArray<Byte>;
{$ELSE}
y: TIdBytes;
{$ENDIF}
begin
len := Length(s);
SetLength(y, len);
try
for i := 1 to len do
begin
y[i - 1] := ord(s[i]);
end;
if Is_Connect_socket then
if Assigned(IdTCPClient_Thread) then
if (IdTCPClient_Thread.Connected) then
if Assigned(IdTCPClient_Thread.Socket) then
if (IdTCPClient_Thread.Socket.Connected) then
begin
IdTCPClient_Thread.Socket.Write(y, len);
Date_TimeLastOprosGood := now;
end
else
Date_TimeLastOprosGood := 0;
{ }
finally
SetLength(y, 0);
end;
end;
// **************************************************
procedure SendText(s: string);
var
BytesWritten : DWORD;
begin
if ModBus_rtu_over_TCP=0 then
begin
WriteFile(ComFile, s[1], Length(s), BytesWritten, nil);
end
else
if ModBus_rtu_over_TCP=1 then
begin
Send_Text_To_indy(s);
end;
end;
procedure AlarmCheck;
// Проверка на отсутсвие ответа или код ошибки
var
RegRab : Longint;
S2 : string;
CHrab : char;
begin
// Сначала все чисты как ангелы
Alarm := false;
// Если буфер пуст - устройство не ответило
if sr = '' then
begin
Alarm := true;
end;
if sr <> '' then
begin
// Во втором байте - либо код функции, либо код ошибки
CHrab := sr[2];
RegRab := ord(CHrab);
if RegRab > 16 then
begin
Str(RegRab, S2);
Alarm := true;
end;
end;
end;
// ***************************************************
procedure ReadText;
var
d : array[1..512] of Char;
BytesRead : DWORD;
i : integer;
Result : string;
begin
if ModBus_rtu_over_TCP=0 then
begin
Result := '';
if not ReadFile(ComFile, d, SizeOf(d), BytesRead, nil) then
begin
{ Raise an exception }
end;
sr := '';
for i := 1 to BytesRead do
sr := sr + d[I];
Result := sr;
end
else
begin
ReadText_indy;
end;
end;
// ******************************************************
procedure CloseCOMPort;
begin
if Com_port_is_open then
begin
// finally close the COM Port!
FileClose(ComFile); { *Преобразовано из CloseHandle* }
Com_port_is_open:=false;
end;
end;
procedure Unpack0;
var
i : integer;
j : integer;
k : integer;
rabreg : integer;
rabreg1 : integer;
ch1 : char;
SRAB : string;
begin
for j := 1 to 15 do
begin
ch1 := sr[j + 3];
rabreg1 := ord(ch1);
str(rabreg1, SRAB);
k := 1;
for i := 1 to 8 do
begin
rabreg := rabreg1 and k;
if rabreg > 0 then
REG0[i + 8 * (j - 1)] := 1;
if rabreg = 0 then
REG0[i + 8 * (j - 1)] := 0;
// Неужели в Delphi отсутствует возведение в степень?
k := k * 2;
end;
end;
end;
procedure Modbus_OutPut_0xxx(ByteMdb: integer; O_or_1: integer);
var
DataOutput : string;
O_or_1b : Boolean;
begin
if O_or_1 = 1 then
O_or_1b := True;
if O_or_1 = 0 then
O_or_1b := false;
if ByteMdb <> 0 then
begin
// 'Запись в регистр 0ххх
// Проверка порта и его установка
if not OpenCOMPort then
Exit;
if not SetupCOMPort then
Exit;
DataOutput := Chr(ModBus_Prop_Th[Now_reading_Type_ModBus].AdressOfUstr); // АДРЕС устройства
DataOutput := DataOutput + Chr(5); // 'Запись в регистр типа 0xxxx
DataOutput := DataOutput + Chr((ByteMdb - 1) div 256); // Старший байт начального адреса
DataOutput := DataOutput + Chr((ByteMdb - 1) mod 256);
// 'Запись 1 или 0
if O_or_1b then
DataOutput := DataOutput + Chr(255)
else
DataOutput := DataOutput + Chr(0);
DataOutput := DataOutput + Chr(0); // всегда 0, т.к. кол-во регистров < 100
CheckSumm(DataOutput);
DataOutput := DataOutput + chsumm;
SendText(DataOutput);
ReadText;
CloseCOMPort;
AlarmCheck;
end;
end;
// ***********************
procedure Poling0;
var
DataOutput : string;
begin
// запрос регистров 0хххх
// Проверка порта и его установка
if not OpenCOMPort then
Exit;
if not SetupCOMPort then
Exit;
DataOutput := Chr(ModBus_Prop_Th[Now_reading_Type_ModBus].AdressOfUstr); // АДРЕС устройства
DataOutput := DataOutput + Chr(1); // Код функции - чтение регистра 0
DataOutput := DataOutput +
Chr((ModBus_Prop_Th[Now_reading_Type_ModBus].NachReg_0xxx - 1) div 256); // Старший байт начального адреса
DataOutput := DataOutput +
Chr((ModBus_Prop_Th[Now_reading_Type_ModBus].NachReg_0xxx - 1) mod 256);
DataOutput := DataOutput + Chr(0); // всегда 0, т.к. кол-во регистров < 100
DataOutput := DataOutput +
Chr(ModBus_Prop_Th[Now_reading_Type_ModBus].DlinaZprosa_0xxx);
CheckSumm(DataOutput);
DataOutput := DataOutput + chsumm;
SendText(DataOutput);
LogToFile(TimeToStr(now) + ' Tx: ' + st_to_Hex(DataOutput), fileNameTR);
ReadText;
LogToFile(TimeToStr(now) + ' Rx: ' + st_to_Hex(sr), fileNameTR);
CloseCOMPort;
AlarmCheck;
if not alarm then
begin
Unpack0;
end;
end;
procedure Unpack1;
var
i : integer;
j : integer;
k : integer;
rabreg : integer;
rabreg1 : integer;
ch1 : char;
SRAB : string;
begin
for j := 1 to 15 do
begin
ch1 := sr[j + 3];
rabreg1 := ord(ch1);
str(rabreg1, SRAB);
k := 1;
for i := 1 to 8 do
begin
rabreg := rabreg1 and k;
if rabreg > 0 then
REG1[i + 8 * (j - 1)] := 1;
if rabreg = 0 then
REG1[i + 8 * (j - 1)] := 0;
k := k * 2;
end;
end;
end;
// ***********************
procedure Poling1;
var
DataOutput : string;
begin
// запрос регистров 1хххх
// Проверка порта и его установка
if not OpenCOMPort then
Exit;
if not SetupCOMPort then
Exit;
DataOutput := Chr(ModBus_Prop_Th[Now_reading_Type_ModBus].AdressOfUstr); // АДРЕС устройства
DataOutput := DataOutput + Chr(2); // Код функции - чтение регистра 1
DataOutput := DataOutput +
Chr((ModBus_Prop_Th[Now_reading_Type_ModBus].NachReg_1xxx - 1) div 256); // Старший байт начального адреса
DataOutput := DataOutput +
Chr((ModBus_Prop_Th[Now_reading_Type_ModBus].NachReg_1xxx - 1) mod 256);
DataOutput := DataOutput + Chr(0); // всегда 0, т.к. кол-во регистров < 100
DataOutput := DataOutput +
Chr(ModBus_Prop_Th[Now_reading_Type_ModBus].DlinaZprosa_1xxx);
CheckSumm(DataOutput);
DataOutput := DataOutput + chsumm;
LogToFile(TimeToStr(now) + ' Tx: ' + st_to_Hex(DataOutput), fileNameTR);
SendText(DataOutput);
ReadText;
LogToFile(TimeToStr(now) + ' Rx: ' + st_to_Hex(sr), fileNameTR);
CloseCOMPort;
AlarmCheck;
if not alarm then
begin
Unpack1;
end;
Alarm := false;
end;
procedure Unpack4;
// Распаковка регистров 4хххх
// Все проверки произведены
var
i : integer;
L : integer;
Nbyte : integer;
CHrab : Char;
Rab1 : Longint;
Rab2 : Longint;
begin
Nbyte := ModBus_Prop_Th[Now_reading_Type_ModBus].DlinaZprosa_4xxx; //Form1.SpinEdit302.Value;
L := 1;
i := 4;
repeat
CHrab := sr[i];
Rab1 := ord(CHrab);
CHrab := sr[i + 1];
Rab2 := ord(CHrab);
Reg4[L] := Rab1 * 256 + Rab2;
i := i + 2;
L := L + 1;
until L = Nbyte + 1;
end;
// **** Опрос регистров 4ххх ****
procedure Poling4;
var
DataOutput : string;
begin
// Проверка порта и его установка
if not OpenCOMPort then
Exit;
if not SetupCOMPort then
Exit;
DataOutput := Chr(ModBus_Prop_Th[Now_reading_Type_ModBus].AdressOfUstr); // АДРЕС устройства
DataOutput := DataOutput +
Chr(ModBus_Prop_Th[Now_reading_Type_ModBus].Function_Reg_3_or_4);
DataOutput := DataOutput +
Chr((ModBus_Prop_Th[Now_reading_Type_ModBus].NachReg_4xxx - 1) div 256); // Старший байт начального адреса
DataOutput := DataOutput +
Chr((ModBus_Prop_Th[Now_reading_Type_ModBus].NachReg_4xxx - 1) mod 256);
DataOutput := DataOutput + Chr(0); // всегда 0, т.к. кол-во регистров < 100
DataOutput := DataOutput +
Chr(ModBus_Prop_Th[Now_reading_Type_ModBus].DlinaZprosa_4xxx);
CheckSumm(DataOutput);
DataOutput := DataOutput + chsumm;
SendText(DataOutput);
LogToFile(TimeToStr(now) + ' Tx: ' + st_to_Hex(DataOutput), fileNameTR);
ReadText;
LogToFile(TimeToStr(now) + ' Rx: ' + st_to_Hex(sr), fileNameTR);
CloseCOMPort;
AlarmCheck;
if not alarm then
begin
Unpack4;
end;
end;
procedure ThreadModB.Write_reg_4xxx(NomerReg: Integer; Val_write: Double);
var
DataOutput : string;
t, INT_T : Integer;
sml_int : Smallint;
int_temp_lo, int_temp_hi: byte;
znak : Integer;
val_int : Integer;
val_longint : Longint;
INT1 : Integer;
INT2 : Integer;
pr_int : ^Longint;
L_int : Longint;
val_single : Single;
pb : Pointer;
int_temp : Integer;
begin
if NomerReg<=0 then exit;
// Проверка порта и его установка
if not OpenCOMPort then
begin
Stop_Read_ComPort := false;
Exit;
end;
if not SetupCOMPort then
Exit;
DataOutput := Chr(Form1.SpinEdit300.Value); //Адрес контроллера - в окне
if (Funct_write_4xxx=10)or(Funct_write_4xxx=0) then
DataOutput := DataOutput + Chr(16) //16 - Запись в регистры типа 4xxxx
else
DataOutput := DataOutput + Chr(6);
DataOutput := DataOutput + Chr((Form1.SpinEdit1.Value - 1) div 256);
DataOutput := DataOutput + Chr((Form1.SpinEdit1.Value - 1) mod 256);
if Type_Reg4XXX = t_UINT16 then
begin
if (Funct_write_4xxx=10)or(Funct_write_4xxx=0) then
DataOutput := DataOutput + Chr(0) + Chr(1) + Chr(2); //запись только 1 регистра
DataOutput := DataOutput + Chr(StrToIntDef(Form1.E_Write_4xxxx.Text, 0) div
256);
DataOutput := DataOutput + Chr(StrToIntDef(Form1.E_Write_4xxxx.Text, 0) mod
256);
end;
if Type_Reg4XXX = t_INT16 then
begin
sml_int := StrToIntDef(Form1.E_Write_4xxxx.Text, 0);
INT_T := sml_int and $FFFF;
if (Funct_write_4xxx=10)or(Funct_write_4xxx=0) then
DataOutput := DataOutput + Chr(0) + Chr(1) + Chr(2); //запись только 1 регистра
DataOutput := DataOutput + Chr(INT_T div 256);
DataOutput := DataOutput + Chr(INT_T mod 256);
end;
if Type_Reg4XXX = t_UINT32 then
begin
INT_T := abs(StrToIntDef(Form1.E_Write_4xxxx.Text, 0));
INT1 := INT_T and $FFFF;
INT2 := INT_T shr 16;
// if (Funct_write_4xxx=10)or(Funct_write_4xxx=0) then
DataOutput := DataOutput + Chr(0) + Chr(2) + Chr(4); //запись только 1 регистра
DataOutput := DataOutput + Chr(INT1 div 256);
DataOutput := DataOutput + Chr(INT1 mod 256);
DataOutput := DataOutput + Chr(INT2 div 256);
DataOutput := DataOutput + Chr(INT2 mod 256);
end;
if Type_Reg4XXX = t_INT32 then
begin
INT_T := StrToIntDef(Form1.E_Write_4xxxx.Text, 0);
INT1 := INT_T and $FFFF;
INT2 := INT_T shr 16;
DataOutput := DataOutput + Chr(0) + Chr(2) + Chr(4); //запись только 1 регистра
DataOutput := DataOutput + Chr(INT1 div 256);
DataOutput := DataOutput + Chr(INT1 mod 256);
DataOutput := DataOutput + Chr(INT2 div 256);
DataOutput := DataOutput + Chr(INT2 mod 256);
end;
if Type_Reg4XXX = t_16O then
begin
INT_T := StrToIntDef(Form1.E_Write_4xxxx.Text, 0);
INT_T := INT_T + $8000;
if (Funct_write_4xxx=10)or(Funct_write_4xxx=0) then
DataOutput := DataOutput + Chr(0) + Chr(1) + Chr(2); //запись только 1 регистра
DataOutput := DataOutput + Chr(INT_T div 256);
DataOutput := DataOutput + Chr(INT_T mod 256);
end;
if Type_Reg4XXX = t_FLOAT32 then
begin
val_single := StrToFloatDef(Form1.E_Write_4xxxx.Text, 0);
pb := @val_single;
pr_int := pb;
L_int := pr_int^;
DataOutput := DataOutput + Chr(0) + Chr(2) + Chr(4);
int_temp := L_int and $FFFF;
int_temp_hi := int_temp shr 8;
int_temp_lo := int_temp and $FF;
DataOutput := DataOutput + Chr(int_temp div 256);
DataOutput := DataOutput + Chr(int_temp mod 256);
int_temp := L_int shr 16;
int_temp_hi := int_temp shr 8;
int_temp_lo := int_temp and $FF;
DataOutput := DataOutput + Chr(int_temp div 256);
DataOutput := DataOutput + Chr(int_temp mod 256);
end;
CheckSumm(DataOutput);
DataOutput := DataOutput + chsumm;
LogToFile(TimeToStr(now) + ' Tx: ' + st_to_Hex(DataOutput), fileNameTR);
SendText(DataOutput);
ReadText;
LogToFile(TimeToStr(now) + ' Rx: ' + st_to_Hex(sr), fileNameTR);
CloseCOMPort;
AlarmCheck;
Alarm := false;
Stop_Read_ComPort := false;
end;