Serial Devices

This is the common interface a RTDM-compliant serial device has to provide. More...

Collaboration diagram for Serial Devices:

This is the common interface a RTDM-compliant serial device has to provide.

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Device Characteristics

Device Flags: RTDM_NAMED_DEVICE, RTDM_EXCLUSIVE

Device Class: RTDM_CLASS_SERIAL

Device Name: "/dev/rtdm/rtser<N>", N >= 0

Supported Operations

Open

Tags

secondary-only Specific return values: none

Close

Tags

secondary-only Specific return values: none

IOCTL

Tags

task-unrestricted. See below
Specific return values: see below

Read

Tags

mode-unrestricted Specific return values:

• -ETIMEDOUT
• -EINTR (interrupted explicitly or by signal)
• -EAGAIN (no data available in non-blocking mode)
• -EBADF (device has been closed while reading)
• -EIO (hardware error or broken bit stream)

Write

Tags

mode-unrestricted Specific return values:

• -ETIMEDOUT
• -EINTR (interrupted explicitly or by signal)
• -EAGAIN (no data written in non-blocking mode)
• -EBADF (device has been closed while writing)