restore aprs functionality

2021-09-06 15:05:33 +02:00
parent 7c43c78c4b
commit b9f43654cd
18 changed files with 390 additions and 190 deletions
--- a/csdr/chain/analog.py
+++ b/csdr/chain/analog.py
@@ -19,6 +19,7 @@ class Am(BaseDemodulatorChain):

 class NFm(BaseDemodulatorChain):
    def __init__(self, sampleRate: int):
+        self.sampleRate = sampleRate
        agc = Agc(Format.FLOAT)
        agc.setProfile(AgcProfile.SLOW)
        agc.setMaxGain(3)
@@ -30,6 +31,12 @@ class NFm(BaseDemodulatorChain):
        ]
        super().__init__(workers)

+    def setSampleRate(self, sampleRate: int) -> None:
+        if sampleRate == self.sampleRate:
+            return
+        self.sampleRate = sampleRate
+        self.replace(2, NfmDeemphasis(sampleRate))
+

 class WFm(BaseDemodulatorChain, FixedIfSampleRateChain, HdAudio):
    def __init__(self, sampleRate: int, tau: float):