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Author SHA1 Message Date
Bert Vermeulen de285cce11 scpi/usbtmc: Implement Rigol DS1000 workaround on any firmware version. 
Firmware versions starting with 00.02.04 apparently cause the in and out
bulk endpoints to end up in a HALT state. This is likely related to the
larger transfer size quirk implemented in the Linux kernel for the Rigol
DS1000: this USBTMC implementation does not have that workaround.

Instead, if the firmware version is >= 00.02.04, both endpoints have the HALT
condition cleared on device close.

This fixes bug #354.
 2015-09-22 10:56:58 +02:00
Bert Vermeulen 04229f7bfc scpi: Pass SCPI device instance to open and close callbacks. 
Only close() really needs this (for access to a Rigol firmware quirk),
but do the same in open() for consistency.
 2015-09-21 13:41:03 +02:00
Bert Vermeulen 91ef511db2 scpi: Make helper functions from scpi-pps available library-wide. 2015-08-25 19:13:17 +02:00
Bert Vermeulen 5a1afc0907 scpi: Move SCPI-related definitions to separate header file. 2015-08-25 19:13:16 +02:00