comm_analyzer: don't assume every message has data

close #1377
2019-10-28 15:35:44 +01:00 · 2019-10-28 15:35:44 +01:00 · b0661ec055
commit b0661ec055
parent c60ea58e8d
1 changed files with 1 additions and 1 deletions
--- a/artiq/coredevice/comm_analyzer.py
+++ b/artiq/coredevice/comm_analyzer.py
@ -360,8 +360,8 @@ class SPIMaster2Handler(WishboneHandler):
    def process_message(self, message):
        self.stb.set_value("1")
        self.stb.set_value("0")
-        data = message.data
        if isinstance(message, OutputMessage):
+            data = message.data
            address = message.address
            if address == 1:
                logger.debug("SPI config @%d data=0x%08x",