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12 Commits

Author SHA1 Message Date
Bert Vermeulen 74ac7d7f73 agilent-dmm: no need to specify a serialcomm scan parameter 
It's always 9600/8n1 anyway.
 2012-11-07 00:46:30 +01:00
Bert Vermeulen 69b07d14db allow for intermediate stage in stopping acquisition 
In the case of USB drivers, a driver's dev_acquisition_stop() cannot
simply remove its fd sources from the session and close its devices:
a USB transfer might still be underway, and it needs to be finished
(and its memory freed) properly.

An sr_dev_inst->status value is added: SR_ST_STOPPING, which should
be set when the driver's dev_acquisition_stop() is called, and acts
as a marker for the USB event handler to wind up its operations.

In order for dev_acquisition_stop() to be able to set the sdi status,
however, it needs to be unconstified.
 2012-11-06 15:16:22 +01:00
Uwe Hermann 886a52b6fb Return SR_ERR_MALLOC upon allocation errors. 
Add some TODOs.
 2012-10-30 20:25:54 +01:00
Uwe Hermann 6f22a8ef2c Factor out serial_readline() to serial.c. 
Only one (slightly different) variant remains in agilent-dmm, this will
be merged soon too, though.
 2012-10-30 19:59:21 +01:00
Uwe Hermann 38d326e879 agilent-dmm: Use message logging helpers. 2012-10-30 19:35:35 +01:00
Uwe Hermann 545f978639 config.h usage cleanups. 
- Drop config.h #include from files that don't actually use any of
   its contents (at the moment).

 - Add comment for those that do need it.
 2012-10-24 00:41:21 +02:00
Bert Vermeulen c2016fa0eb agilent-dmm: don't log anything if no conn params given 2012-09-17 00:00:27 +02:00
Bert Vermeulen b186aa78b8 agilent-dmm: fix model identifiers 2012-09-10 21:27:50 +02:00
Bert Vermeulen 8c0152f29b agilent-dmm: tentative support for all U123x and U125x models 
Only tested on U1233A, but it just might work.

The U125x protocol decoding only supports voltage, current, resistance,
capacitance and diode measurements for now.
 2012-09-10 01:00:48 +02:00
Bert Vermeulen a4394fb3d9 agilent-dmm: code cleanup 
This should make it easier to support other Agilent U12xx models
 2012-09-10 00:13:26 +02:00
Bert Vermeulen e93cdf428c sr: mostly finished Agilent DMM driver 2012-09-02 15:42:56 +02:00
Bert Vermeulen 6ac0db19f3 sr: add new agilent-dmm driver (Agilent U12xxA multimeters) 2012-09-02 15:42:56 +02:00