User`s manual

Software Manual • EKF Intelligent I/O Controller Family On CompactPCI
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EKF Elektronik GmbH * Philipp-Reis-Str. 4 * D-59065 HAMM (Germany)
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If no receive data was available when the receive error occurred, the
escape character, EKF16550_LSRMST_LSR_NODATA and the
contents of LSR is placed in the read ring buffer.
On changes of the modem lines the escape character, the character
EKF16550_LSRMST_MST and the contents of the
Modem Status
Register
(MSR) is placed in the read ring buffer.
The reception of the escape character itself is indicated by the insertion
of the sequence escape character, EKF16550_LSRMST_ESCAPE,
escape character.
This command is acceptable for serial ports only.