From 2acd25e80519625990dcb7f9a5683c442263d05e Mon Sep 17 00:00:00 2001
From: Martin Preuss <martin@aquamaniac.de>
Date: Sat, 24 May 2025 17:25:14 +0200
Subject: [PATCH] added README.

---
 avr/modules/uart_hw/README | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 avr/modules/uart_hw/README

diff --git a/avr/modules/uart_hw/README b/avr/modules/uart_hw/README
new file mode 100644
index 0000000..a8a7285
--- /dev/null
+++ b/avr/modules/uart_hw/README
@@ -0,0 +1,7 @@
+This folder contains multiple backends for hardware UART as provided by some AVR devices.
+
+uart.asm:     simple UART code blocking for receiption and transmission
+net_uart.asm: glue to connect NET interface to uart.asm
+              uses interrupt for ATTN line, no other interrupts used
+
+