diff --git a/gateware/logic/pid.py b/gateware/logic/pid.py index e737577..f1a4096 100644 --- a/gateware/logic/pid.py +++ b/gateware/logic/pid.py @@ -43,10 +43,12 @@ class PID(Module, AutoCSR): self.comb += [setpoint_signed.eq(self.setpoint.storage)] self.error = Signal((self.width + 1, True)) + error_reg = Signal((self.width + 1, True)) + self.sync += self.error.eq(error_reg) self.comb += [ - If(self.running, self.error.eq(self.input - self.setpoint.storage)).Else( - self.error.eq(0) + If(self.running, error_reg.eq(self.input - self.setpoint.storage)).Else( + error_reg.eq(0) ) ]