From 8295ce769021712d0ce790731725cf34af300e6e Mon Sep 17 00:00:00 2001
From: Per <Per Lindgren>
Date: Fri, 20 Oct 2017 23:41:29 +0200
Subject: [PATCH] usart1 documentation

---
 examples/usart1.rs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/examples/usart1.rs b/examples/usart1.rs
index 0b1b245..0ea9954 100644
--- a/examples/usart1.rs
+++ b/examples/usart1.rs
@@ -1,8 +1,12 @@
-//! Test the USART1 instance
+//! A simple echo server for the Nucleo 64, stm32f401re
 //!
-//! Connect the TX and RX pins to run this test
+//! The jumpers on the board should be in their default position.
+//! This setting tunnels RX/TX over a VCP on the onboard stlink2-1.
 //!
-//! PA2 (TX), PA3(RX) on the MCU is connected to the pin header CN3
+//! Connect to the VCP at dev/ttyACM0 (or similar) 115200 8N1.
+//!
+//! Todo:
+//!  info on pin header CN3 (TX/RX), howto use
 //#![deny(unsafe_code)]
 #![deny(warnings)]
 //#![allow(warnings)]
-- 
GitLab