D'Kard Kain

Друзья спасайте!

Для обмена необходимо выдать сигналы DTR = 1(+) и RTS = 0(-).

Как это сделать? Я знаю регистры в которые нужно подлезть но под виндоус ХП обращаться к регистрам напрямую нельзя, а как сделать это иначе на Билдере я не знаю

И второй вопрос: как сделать так что бы программа после компиляции запускалась на всех компьютерах, а не только на тех где есть билдер..

XuTPbIu_MuHTAu

GetCommState, SetCommState,EscapeCommFunction, CreateFile,WriteFile,ReadFile - Все это средства винапи,которые можно использовать для работы с ком портом. Я билдером не -увлекаюсь-, так что про его средства ничего сказать не могу. Описание функций,параметров и использования есть в MSDN.Первые три нужны непосредственно для сигналов DTR &RTS

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There are 10 types of people:Those,who understand binary and those,who dont.
There are 10 kinds of people in the world, those that understand trinary, those that don't, and those that confuse it with binary

D'Kard Kain

Вот после безуспешных попыток найти эти параметры в структуре с которой общаются эти функции я на форум ваш и пришел.

Поясните пожалуйста неучу что такое MSDN ?

XuTPbIu_MuHTAu

MSDN - справка от майкрософта,на их же сайте доступна в онлайне. Что интересно - сайт их сейчас лежит. ) Поэтому, в виде исключения, скопирую сюда инфу. Вообще говоря, пользуйтесь поисковиками для поиска прототипов ф-й и структур.

SetCommState

Цитата:

The SetCommState function configures a communications device according to the specifications in a device-control block (a DCB structure). The function reinitializes all hardware and control settings, but it does not empty output or input queues. BOOL SetCommState( HANDLE hFile, // handle of communications device LPDCB lpDCB // address of device-control block structure ); Parameters hFile Identifies the communications device. The CreateFile function returns this handle. lpDCB Points to a DCB structure containing the configuration information for the specified communications device. Return Values If the function succeeds, the return value is nonzero. If the function fails, the return value is zero. To get extended error information, call GetLastError. Remarks The SetCommState function uses a DCB structure to specify the desired configuration. The GetCommState function returns the current configuration. To set only a few members of the DCB structure, you should modify a DCB structure that has been filled in by a call to GetCommState. This ensures that the other members of the DCB structure have appropriate values. The SetCommState function fails if the XonChar member of the DCB structure is equal to the XoffChar member. When SetCommState is used to configure the 8250, the following restrictions apply to the values for the DCB structure's ByteSize and StopBits members: · The number of data bits must be 5 to 8 bits. · The use of 5 data bits with 2 stop bits is an invalid combination, as are 6, 7, or 8 data bits with 1.5 stop bits.

DCB

Цитата:

typedef struct _DCB { // dcb DWORD DCBlength; // sizeof(DCB) DWORD BaudRate; // current baud rate DWORD fBinary: 1; // binary mode, no EOF check DWORD fParity: 1; // enable parity checking DWORD fOutxCtsFlow:1; // CTS output flow control DWORD fOutxDsrFlow:1; // DSR output flow control DWORD fDtrControl:2; // DTR flow control type DWORD fDsrSensitivity:1; // DSR sensitivity DWORD fTXContinueOnXoff:1; // XOFF continues Tx DWORD fOutX: 1; // XON/XOFF out flow control DWORD fInX: 1; // XON/XOFF in flow control DWORD fErrorChar: 1; // enable error replacement DWORD fNull: 1; // enable null stripping DWORD fRtsControl:2; // RTS flow control DWORD fAbortOnError:1; // abort reads/writes on error DWORD fDummy2:17; // reserved WORD wReserved; // not currently used WORD XonLim; // transmit XON threshold WORD XoffLim; // transmit XOFF threshold BYTE ByteSize; // number of bits/byte, 4-8 BYTE Parity; // 0-4=no,odd,even,mark,space BYTE StopBits; // 0,1,2 = 1, 1.5, 2 char XonChar; // Tx and Rx XON character char XoffChar; // Tx and Rx XOFF character char ErrorChar; // error replacement character char EofChar; // end of input character char EvtChar; // received event character WORD wReserved1; // reserved; do not use } DCB; Members DCBlength Specifies the length, in bytes, of the DCB structure. BaudRate Specifies the baud rate at which the communications device operates. This member can be an actual baud rate value, or one of the following baud rate indexes: CBR_110 CBR_19200 CBR_300 CBR_38400 CBR_600 CBR_56000 CBR_1200 CBR_57600 CBR_2400 CBR_115200 CBR_4800 CBR_128000 CBR_9600 CBR_256000 CBR_14400 fBinary Specifies whether binary mode is enabled. The Win32 API does not support nonbinary mode transfers, so this member should be TRUE. Trying to use FALSE will not work. Under Windows 3.1, if this member is FALSE, nonbinary mode is enabled, and the character specified by the EofChar member is recognized on input and remembered as the end of data. fParity Specifies whether parity checking is enabled. If this member is TRUE, parity checking is performed and errors are reported. fOutxCtsFlow Specifies whether the CTS (clear-to-send) signal is monitored for output flow control. If this member is TRUE and CTS is turned off, output is suspended until CTS is sent again. fOutxDsrFlow Specifies whether the DSR (data-set-ready) signal is monitored for output flow control. If this member is TRUE and DSR is turned off, output is suspended until DSR is sent again. fDtrControl Specifies the DTR (data-terminal-ready) flow control. This member can be one of the following values: Value Meaning DTR_CONTROL_DISABLE Disables the DTR line when the device is opened and leaves it disabled. DTR_CONTROL_ENABLE Enables the DTR line when the device is opened and leaves it on. DTR_CONTROL_HANDSHAKE Enables DTR handshaking. If handshaking is enabled, it is an error for the application to adjust the line by using the EscapeCommFunction function. fDsrSensitivity Specifies whether the communications driver is sensitive to the state of the DSR signal. If this member is TRUE, the driver ignores any bytes received, unless the DSR modem input line is high. fTXContinueOnXoff Specifies whether transmission stops when the input buffer is full and the driver has transmitted the XoffChar character. If this member is TRUE, transmission continues after the input buffer has come within XoffLim bytes of being full and the driver has transmitted the XoffChar character to stop receiving bytes. If this member is FALSE, transmission does not continue until the input buffer is within XonLim bytes of being empty and the driver has transmitted the XonChar character to resume reception. fOutX Specifies whether XON/XOFF flow control is used during transmission. If this member is TRUE, transmission stops when the XoffChar character is received and starts again when the XonChar character is received. fInX Specifies whether XON/XOFF flow control is used during reception. If this member is TRUE, the XoffChar character is sent when the input buffer comes within XoffLim bytes of being full, and the XonChar character is sent when the input buffer comes within XonLim bytes of being empty. fErrorChar Specifies whether bytes received with parity errors are replaced with the character specified by the ErrorChar member. If this member is TRUE and the fParity member is TRUE, replacement occurs. fNull Specifies whether null bytes are discarded. If this member is TRUE, null bytes are discarded when received. fRtsControl Specifies the RTS (request-to-send) flow control. If this value is zero, the default is RTS_CONTROL_HANDSHAKE. This member can be one of the following values: Value Meaning RTS_CONTROL_DISABLE Disables the RTS line when the device is opened and leaves it disabled. RTS_CONTROL_ENABLE Enables the RTS line when the device is opened and leaves it on. RTS_CONTROL_HANDSHAKE Enables RTS handshaking. The driver raises the RTS line when the "type-ahead" (input) buffer is less than one-half full and lowers the RTS line when the buffer is more than three-quarters full. If handshaking is enabled, it is an error for the application to adjust the line by using the EscapeCommFunction function. RTS_CONTROL_TOGGLE Specifies that the RTS line will be high if bytes are available for transmission. After all buffered bytes have been sent, the RTS line will be low. fAbortOnError Specifies whether read and write operations are terminated if an error occurs. If this member is TRUE, the driver terminates all read and write operations with an error status if an error occurs. The driver will not accept any further communications operations until the application has acknowledged the error by calling the ClearCommError function. fDummy2 Reserved; do not use. wReserved Not used; must be set to zero. XonLim Specifies the minimum number of bytes allowed in the input buffer before the XON character is sent. XoffLim Specifies the maximum number of bytes allowed in the input buffer before the XOFF character is sent. The maximum number of bytes allowed is calculated by subtracting this value from the size, in bytes, of the input buffer. ByteSize Specifies the number of bits in the bytes transmitted and received. Parity Specifies the parity scheme to be used. This member can be one of the following values: Value Meaning EVENPARITY Even MARKPARITY Mark NOPARITY No parity ODDPARITY Odd StopBits Specifies the number of stop bits to be used. This member can be one of the following values: Value Meaning ONESTOPBIT 1 stop bit ONE5STOPBITS 1.5 stop bits TWOSTOPBITS 2 stop bits XonChar Specifies the value of the XON character for both transmission and reception. XoffChar Specifies the value of the XOFF character for both transmission and reception. ErrorChar Specifies the value of the character used to replace bytes received with a parity error. EofChar Specifies the value of the character used to signal the end of data. EvtChar Specifies the value of the character used to signal an event. wReserved1 Reserved; do not use. Remarks When a DCB structure is used to configure the 8250, the following restrictions apply to the values specified for the ByteSize and StopBits members: · The number of data bits must be 5 to 8 bits. · The use of 5 data bits with 2 stop bits is an invalid combination, as is 6, 7, or 8 data bits with 1.5 stop bits.

EscapeCommFunction

Цитата:

The EscapeCommFunction function directs a specified communications device to perform an extended function. BOOL EscapeCommFunction( HANDLE hFile, // handle to communications device DWORD dwFunc // extended function to perform ); Parameters hFile Identifies the communications device. The CreateFile function returns this handle. dwFunc Specifies the code of the extended function to perform. This parameter can be one of the following values: Value Meaning CLRDTR Clears the DTR (data-terminal-ready) signal. CLRRTS Clears the RTS (request-to-send) signal. SETDTR Sends the DTR (data-terminal-ready) signal. SETRTS Sends the RTS (request-to-send) signal. SETXOFF Causes transmission to act as if an XOFF character has been received. SETXON Causes transmission to act as if an XON character has been received. SETBREAK Suspends character transmission and places the transmission line in a break state until the ClearCommBreak function is called (or EscapeCommFunction is called with the CLRBREAK extended function code). The SETBREAK extended function code is identical to the SetCommBreak function. Note that this extended function does not flush data that has not been transmitted. CLRBREAK Restores character transmission and places the transmission line in a nonbreak state. The CLRBREAK extended function code is identical to the ClearCommBreak function. Return Values If the function succeeds, the return value is nonzero. If the function fails, the return value is zero. To get extended error information, call GetLastError.

__________________
There are 10 types of people:Those,who understand binary and those,who dont.
There are 10 kinds of people in the world, those that understand trinary, those that don't, and those that confuse it with binary

SATANAblack

1)Project->Options->Compiller (жми Release)
2)Project->Options->Packages(забери галку с Build with Runtime Packages)
3)Project->Options->Linker(Забери галку с Use dynamic RTL)

ехе-шники твои станут больше размером, но и запускатся будут на других компах.

Добавлено через 2 минуты 23 секунды
А еще вопрос на счет COM - портов: как мне просто подать 5В на два любых(+/-) выхода СОМ порта в нужный для меня момент

Lord_Voodoo

Компиляция программы под С++ Builder,чтобы работала на других компьютерах!

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на глупые вопросы не отвечаю, писать что-либо за кого-то тоже категорически отказываюсь!!!