36 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| What:		/sys/kernel/debug/moxtet/input
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| Date:		March 2019
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| KernelVersion:	5.3
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| Contact:	Marek Behún <kabel@kernel.org>
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| Description:	(Read) Read input from the shift registers, in hexadecimal.
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| 		Returns N+1 bytes, where N is the number of Moxtet connected
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| 		modules. The first byte is from the CPU board itself.
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| 
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| 		Example::
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| 
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| 			101214
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| 
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| 		==  =======================================
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| 		10  CPU board with SD card
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| 		12  2 = PCIe module, 1 = IRQ not active
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| 		14  4 = Peridot module, 1 = IRQ not active
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| 		==  =======================================
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| 
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| What:		/sys/kernel/debug/moxtet/output
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| Date:		March 2019
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| KernelVersion:	5.3
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| Contact:	Marek Behún <kabel@kernel.org>
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| Description:	(RW) Read last written value to the shift registers, in
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| 		hexadecimal, or write values to the shift registers, also
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| 		in hexadecimal.
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| 
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| 		Example::
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| 
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| 		    0102
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| 
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| 		==  ================================================
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| 		01  01 was last written, or is to be written, to the
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| 		    first module's shift register
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| 		02  the same for second module
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| 		==  ================================================
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