From 60ca038c36cfb2f6085b7f7b8d1dced4fd0c5465 Mon Sep 17 00:00:00 2001
From: randogoth <kflux@posteo.de>
Date: Fri, 12 May 2023 02:04:15 +0300
Subject: [PATCH] help

---
 README.md | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/README.md b/README.md
index e442b7e..0221a29 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,27 @@
 # LoRaTransmit
+
 LoRa packet transmitter for RNode hardware 
+
+## Usage
+
+provide payload as command line argument or via pipe
+
+```
+usage: loratransmit [-h] [--freq Hz] [--bw Hz] [--txp dBm] [--sf factor]
+                       [--cr rate]
+                       [port] [payload]
+
+LoRa packet transmitter for RNode hardware.
+
+positional arguments:
+  port         Serial port where RNode is attached
+  payload      The payload to be transmitted
+
+options:
+  -h, --help   show this help message and exit
+  --freq Hz    Frequency in Hz
+  --bw Hz      Bandwidth in Hz
+  --txp dBm    TX power in dBm
+  --sf factor  Spreading factor
+  --cr rate    Coding rate
+```
\ No newline at end of file