input stamper: add deglitching

2021-02-04 12:47:35 +01:00 · 2021-02-04 12:47:35 +01:00 · 7ce90c4d31
commit 7ce90c4d31
parent f250e036ca
1 changed files with 4 additions and 0 deletions
--- a/src/hardware/digital_input_stamper.rs
+++ b/src/hardware/digital_input_stamper.rs
@ -47,6 +47,10 @@ impl InputStamper {
        let input_capture =
            timer_channel.into_input_capture(timers::tim5::CaptureSource4::TI4);

+        // FIXME: hack in de-glitching filter
+        let regs = unsafe { &*hal::stm32::TIM5::ptr() };
+        regs.ccmr2_input().modify(|_, w| w.ic4f().bits(0b0011));
+
        Self {
            capture_channel: input_capture,
            _di0_trigger: trigger,