| 1 | What: /sys/kernel/debug/moxtet/input |
| 2 | Date: March 2019 |
| 3 | KernelVersion: 5.3 |
| 4 | Contact: Marek Behún <[email protected]> |
| 5 | Description: (Read) 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 | |
| 9 | Example:: |
| 10 | |
| 11 | 101214 |
| 12 | |
| 13 | == ======================================= |
| 14 | 10 CPU board with SD card |
| 15 | 12 2 = PCIe module, 1 = IRQ not active |
| 16 | 14 4 = Peridot module, 1 = IRQ not active |
| 17 | == ======================================= |
| 18 | |
| 19 | What: /sys/kernel/debug/moxtet/output |
| 20 | Date: March 2019 |
| 21 | KernelVersion: 5.3 |
| 22 | Contact: Marek Behún <[email protected]> |
| 23 | Description: (RW) Read last written value to the shift registers, in |
| 24 | hexadecimal, or write values to the shift registers, also |
| 25 | in hexadecimal. |
| 26 | |
| 27 | Example:: |
| 28 | |
| 29 | 0102 |
| 30 | |
| 31 | == ================================================ |
| 32 | 01 01 was last written, or is to be written, to the |
| 33 | first module's shift register |
| 34 | 02 the same for second module |
| 35 | == ================================================ |