* * HELP & MANUAL PREMIUM PACK 4 DEMO VERSION * *
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During module loading process, the following equates (constants) will be defined.
Note: inside COMM module, True<>0, False=0
Communication parameters:
Symbol |
Read Only Parameter |
Meaning |
%COMM_BAUD |
No |
Port Baud Rate (9600, 14400, 19200, etc). |
%COMM_BREAK |
No |
TRUE/FALSE Break is asserted. Break is generally used to "get the attention" of the connected modem, terminal or system. |
%COMM_BYTE |
No |
Number of bits per byte (4, 5, 6, 7, or 8). |
%COMM_CD |
Yes |
TRUE/FALSE Carrier Detect state. |
%COMM_CTSFLOW |
No |
TRUE/FALSE Enable CTS output flow control (Input signal). |
%COMM_DSRFLOW |
No |
TRUE/FALSE Enable DSR output flow control (Input signal). |
%COMM_DSRSENS |
No |
TRUE/FALSE Enable DSR sensitivity. |
%COMM_DTRFLOW |
No |
TRUE/FALSE Enable DTR handshaking flow control (Output signal). |
%COMM_DTRLINE |
No |
TRUE/FALSE Enable DTR line. |
%COMM_NULL |
No |
TRUE/FALSE Null ($NUL) bytes are discarded when read. |
%COMM_PARITY |
No |
TRUE/FALSE Enable parity checking. |
%COMM_PARITYCHAR |
No |
Character to use for parity error replacement. PARITY must be enabled. |
%COMM_PARITYREPL |
No |
TRUE/FALSE Enable character replacement on parity error. PARITY must be enabled. |
%COMM_PARITYTYPE |
No |
0 = None 1 = Odd 2 = Even 3 = Mark 4 = Space Default value = 0 |
%COMM_RING |
Yes |
TRUE/FALSE |
%COMM_RLSD |
Yes |
Receive-line-signal-detect. |
%COMM_RTSFLOW |
No |
Ready To Send (Output signal). 0 = Disable 1 = Enable 2 = Handshake 3 = Toggle |
%COMM_RXBUFFER |
No |
Size of the receive buffer in bytes. |
%COMM_RXQUE |
Yes |
Bytes currently in the receive buffer |
%COMM_STOP |
No |
0 = 1 stop bits 1 = 1.5 stop bits 2 = 2 stop bits |
%COMM_TXBUFFER |
No |
Size of the transmit buffer in bytes. |
%COMM_TXQUE |
Yes |
Bytes currently in the transmit buffer. |
%COMM_XINPFLOW |
No |
TRUE/FALSE Enable XON/XOFF input flow control. Default value = FALSE |
%COMM_XOUTFLOW |
No |
TRUE/FALSE Default value = FALSE |
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