| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | What: /sys/kernel/debug/moxtet/input |
| 2 | Date: March 2019 |
| 3 | KernelVersion: 5.3 |
| 4 | Contact: Marek Behún <marek.behun@nic.cz> |
| 5 | Description: (R) Read input from the shift registers, in hexadecimal. |
| 6 | Returns N+1 bytes, where N is the number of Moxtet connected |
| 7 | modules. The first byte is from the CPU board itself. |
| 8 | Example: 101214 |
| 9 | 10: CPU board with SD card |
| 10 | 12: 2 = PCIe module, 1 = IRQ not active |
| 11 | 14: 4 = Peridot module, 1 = IRQ not active |
| 12 | |
| 13 | What: /sys/kernel/debug/moxtet/output |
| 14 | Date: March 2019 |
| 15 | KernelVersion: 5.3 |
| 16 | Contact: Marek Behún <marek.behun@nic.cz> |
| 17 | Description: (RW) Read last written value to the shift registers, in |
| 18 | hexadecimal, or write values to the shift registers, also |
| 19 | in hexadecimal. |
| 20 | Example: 0102 |
| 21 | 01: 01 was last written, or is to be written, to the |
| 22 | first module's shift register |
| 23 | 02: the same for second module |