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-
- port-handler reference
-
- This text is taken from the autodocs, (C) 1985-1999 by Amiga Int, inc.
- Some changes were made by Stephan Rupprecht.
-
- FUNCTION
- Port-handler allows AmigaDOS to interface to a standard parallel
- device, a standard printer device, and a standard serial device.
-
- Accessing "PAR:" connects AmigaDOS to the system's parallel port.
-
- Accessing "PRT:" connects AmigaDOS to the system's printer. Data
- written to PRT: is processed by the Amiga's printer device, handling
- conversions of ANSI sequences, and sent to the printer. Accessing
- "PRT:RAW" instead causes carriage return translation to be turned
- off in the printer device while printing.
-
- Accessing "SER:" connects AmigaDOS to the system's default serial port.
- Following SER:, the baud rate and some control information can be
- supplied. This is done in the form "SER:baud/control" where baud is
- a number indicating the baud rate, and where control is a 3 letter
- sequence denoting the number of read/write bits, the parity, and the
- number of stop bits. For example, "SER:9600/8N1" connects to the
- serial port, sets the baud rate to 9600, with 8 bit data, no parity,
- and 1 stop bit. The possible control settings are:
-
- 1st character: 7 or 8
- 2nd character: N (No parity), O (Odd parity), E (Even parity)
- M (Mark parity), S (Space parity)
- 3rd character: 1 or 2
-
- Specifying no baud rate or control values when accessing SER: gives you
- the values set in Serial preferences.
-
- MOUNTLIST ENTRIES
- dos.library automatically mounts PAR:, PRT:, and SER: upon
- system boot up. The mount entries used by dos.library are equivalent
- to:
-
- SER: Handler = L:Port-Handler
- Priority = 5
- StackSize = 800
- GlobVec = 1
- Startup = 0
- #
-
- PAR: Handler = L:Port-Handler
- Priority = 5
- StackSize = 800
- GlobVec = 1
- Startup = 1
- #
-
- PRT: Handler = L:Port-Handler
- Priority = 5
- StackSize = 1000
- GlobVec = 1
- Startup = 2
- #
-
- Starting with V40, you can also provide disk-based mount entries
- which let you use port-handler as a serial handler on various devices
- and units. The form of these mount entries is:
-
- SER0: EHandler = L:Port-Handler
- Priority = 5
- StackSize = 800
- GlobVec = 1
- Device = serial.device
- Unit = 0
- Flags = 0
- Control = "8N1"
- Baud = 9600
- #
-
- The "Device", "Unit" and "Flags" keywords define the parameters
- that the handler uses to open the specified device. "Baud" and "Control"
- define the default values for baud rate and control information for
- whenever that serial handler is accessed by name only, without
- explicit baud rate and control information specified.
-
- NOTE
- Prior to V40, the baud rate and control information for SER: were
- only recognized if an A2232 multi-serial card was installed in the
- system. Starting with V40, these values are always recognized.
-
- PORT-HANDLER V41 (SR)
-
- Starting with V41, you can also provide disk-based mount entries
- which let you use port-handler as a parallel handler on various devices
- and units. The form of these mount entries is:
-
- HPAR: EHandler = L:Port-Handler
- Priority = 5
- StackSize = 1024
- GlobVec = 1
- Device = hyperPAR.device
- Unit = 0
- Flags = 0
- Baud = 0
- #
-
- The "Device", "Unit" and "Flags" keywords define the parameters
- that the handler uses to open the specified device. 'Baud = 0'
- tells port-handler to act as parallel handler.