From c35358f475ea02428952079f6ad901cdd048d928 Mon Sep 17 00:00:00 2001
From: Nic0w <nico.broquet@gmail.com>
Date: Wed, 5 May 2021 08:02:53 +0200
Subject: [PATCH] Change comment on baudrate calculation

---
 rp2040-hal/src/uart.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/rp2040-hal/src/uart.rs b/rp2040-hal/src/uart.rs
index 7ffb553..0de5dc5 100644
--- a/rp2040-hal/src/uart.rs
+++ b/rp2040-hal/src/uart.rs
@@ -361,7 +361,8 @@ fn calculate_baudrate_dividers(
     wanted_baudrate: &Baud,
     frequency: &Hertz,
 ) -> Result<(u16, u16), Error> {
-    // baudrate_div = frequency * 8 / wanted_baudrate
+    // See Chapter 4, Section 2 §7.1 from the datasheet for an explanation of how baudrate is
+    // calculated
     let baudrate_div = frequency.integer()
         .checked_mul(8)
         .and_then(|r| r.checked_div(*wanted_baudrate.integer()))