From df547c6e161225dfa3c60f4858516cb8a38d25a7 Mon Sep 17 00:00:00 2001
From: Thomas A <arthofer.thomas@gmail.com>
Date: Thu, 8 Apr 2021 17:47:28 +0200
Subject: [PATCH] Explicitly mention invert bit.

---
 pio/pio_pwmin.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pio/pio_pwmin.py b/pio/pio_pwmin.py
index 6ddb62f..b80cd9f 100644
--- a/pio/pio_pwmin.py
+++ b/pio/pio_pwmin.py
@@ -12,7 +12,7 @@ def pwmin():
     pull(block)           # wait for activation
     
     set(x, 0)               # Set x = 0
-    mov(x, x | (0b01 << 3)) # invert x = Max-Value for 32 bits
+    mov(x, x | (0b01 << 3)) # invert x = Max-Value for 32 bits. (0b01 << 3) sets the invert bit.
     
     wait(1, pin, 0)         # wait for a full PWM cycle to start measurement
     wait(0, pin, 0)         # wait for pin to be low