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fourport

Provided by

fourport

Class Hierarchy

conf-object → log-object → fourport

Interfaces Implemented

log_object, io_memory, simple_interrupt

Description

AST Fourport interrupt logic. The actual serial port devices are not handled by this device. Use instances of NS16450 or NS16550 to model the UARTs connected to this device.

Attributes

Attributes inherited from class conf-object

attributes, classname, component, iface, name, object_id, queue

Attributes inherited from class log-object

access_count, log_buffer, log_buffer_last, log_buffer_size, log_group_mask, log_groups, log_level, log_type_mask

Attribute List

enable

Optional attribute; read/write access; type: Integer.

Fourport mode enable.

input_status

Optional attribute; read/write access; type: Integer.

Port interrupt pin status. One bit per port.

irq_dev

Required attribute; read/write access; type: Object.

Device that interrupts are sent to.

irq_level

Required attribute; read/write access; type: Integer.

Interrupt level.

output_status

Optional attribute; read/write access; type: Integer.

Output interrupt status.

scratch

Optional attribute; read/write access; type: Integer.

Scratchpad value when not in fourport mode.

Command List

Commands defined by interface log_object

log, log-group, log-level, log-size, log-type

Commands

info	print information about the device
status	print status of the device

Command Descriptions

<fourport>.info

Synopsis

<fourport>.info

Description

Print detailed information about the configuration of the device.

<fourport>.status

Synopsis

<fourport>.status

Description

Print detailed information about the current status of the device.

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