X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fspi%2F__init__.py;h=dc5cbc0596a8d753c6f67b8d7404babe3351055f;hp=582891ac261b1a9d2de5eea7d19d5230c394a74a;hb=2787cf2abc0187679e87d3735ca3e64c2a1a91c8;hpb=0702e0cf5a0577122c4008007151b6c3d798b0fb diff --git a/decoders/spi/__init__.py b/decoders/spi/__init__.py index 582891a..dc5cbc0 100644 --- a/decoders/spi/__init__.py +++ b/decoders/spi/__init__.py @@ -14,21 +14,19 @@ ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License -## along with this program; if not, write to the Free Software -## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +## along with this program; if not, see . ## ''' -Serial Peripheral Interface protocol decoder. +The SPI (Serial Peripheral Interface) protocol decoder supports synchronous +SPI(-like) protocols with a clock line, a MISO and MOSI line for data +transfer in two directions, and an optional CS# pin. -This protocol decoder supports synchronous SPI(-like) protocols with a -clock line, a MISO and MOSI line for data transfer in two directions, -and an optional CS# pin. +Either MISO or MOSI (but not both) can be optional. If CS# is supplied, data is only decoded when CS# is asserted (clock transitions where CS# is not asserted are ignored). If CS# is not supplied, data is decoded on every clock transition (depending on SPI mode). ''' -from .pd import * - +from .pd import Decoder