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