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43 lines
1.2 KiB
Plaintext
43 lines
1.2 KiB
Plaintext
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Lab Switch control utility
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If invoked without arguments, labsw prints the firmware version and
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build date.
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The following commands can be given on the command line:
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ch1=0, ch1=1, ch2=0, ch2=1
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turn the respective channel on or off. Both relay and
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opto-coupler are switched. Also enters remote mode.
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query
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read the buttons and opto-coupler inputs (rear panel)
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local
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exit remote mode
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The Lab Switch starts in local mode, where the CH1/CH2 buttons
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toggle the respective channel. The main button turns off both
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channels. Local mode is indicated by a green main LED.
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If a channel is set via USB, the Lab Switch enters remote mode,
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indicated by a red main LED. In remote mode, the channel buttons
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are ignored. Pressing the main button exits remote mode and
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turns both channels off.
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The lab switch utility currently lacks the following features:
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- access to the rear opto-coupler outputs,
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- switching CH1/CH2 relay and opto-coupler independently,
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- direct control of LEDs.
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Examples:
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# labsw ch1=1
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Turns channel 1 on and enters remote mode.
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# labsw ch1=0 ch2=0 local
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Turns channels 1 and 2 off and exits remote mode. This is
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equivalent to pressing the main button.
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