diff options
Diffstat (limited to 'decoders/spi/__init__.py')
| -rw-r--r-- | decoders/spi/__init__.py | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/decoders/spi/__init__.py b/decoders/spi/__init__.py index c1b5889..8734acf 100644 --- a/decoders/spi/__init__.py +++ b/decoders/spi/__init__.py @@ -23,6 +23,24 @@ Serial Peripheral Interface protocol decoder. Details: TODO + +Protocol output format: + +SPI packet: +[<cmd>, <data1>, <data2>] + +Commands: + - 'DATA': <data1> contains the MISO data, <data2> contains the MOSI data. + The data is _usually_ 8 bits (but can also be fewer or more bits). + Both data items are Python numbers, not strings. + - 'CS CHANGE': <data1> is the old CS# pin value, <data2> is the new value. + Both data items are Python numbers (0/1), not strings. + +Example: + ['CS-CHANGE', 1, 0] + ['DATA', 0xff, 0x3a] + ['DATA', 0x65, 0x00] + ['CS-CHANGE', 0, 1] ''' from .spi import * |