From: Jens Steinhauser <redacted>
Date: Sun, 19 Oct 2014 19:29:07 +0000 (+0200)
Subject: nrf24l01: Don't decode incomplete commands.
X-Git-Tag: libsigrokdecode-0.4.0~149
X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=commitdiff_plain;h=22630a3d54361f083877a68724e8b823d5e063a7

nrf24l01: Don't decode incomplete commands.

Wait for the CS# line to be inactive before decoding the commands.
---

diff --git a/decoders/nrf24l01/pd.py b/decoders/nrf24l01/pd.py
index a40f454..38e5ac6 100644
--- a/decoders/nrf24l01/pd.py
+++ b/decoders/nrf24l01/pd.py
@@ -87,6 +87,7 @@ class Decoder(srd.Decoder):
     def __init__(self, **kwargs):
         self.next()
         self.requirements_met = True
+        self.cs_was_released = False
 
     def start(self):
         self.out_ann = self.register(srd.OUTPUT_ANN)
@@ -275,6 +276,8 @@ class Decoder(srd.Decoder):
                 if data2 == -1:
                     self.requirements_met = False
                     raise ChannelError('CS# pin required.')
+                elif data2 == 1:
+                    self.cs_was_released = True
 
             if data1 == 0 and data2 == 1:
                 # Rising edge, the complete command is transmitted, process
@@ -288,7 +291,8 @@ class Decoder(srd.Decoder):
                         self.finish_command((self.mb_s, self.mb_e))
 
                 self.next()
-        elif ptype == 'DATA':
+                self.cs_was_released = True
+        elif ptype == 'DATA' and self.cs_was_released:
             mosi, miso = data1, data2
             pos = (ss, es)