From c8e67366199e65d79e548661095a137e4a7db1fb Mon Sep 17 00:00:00 2001
From: marcel <marcel@meezenest.nl>
Date: Tue, 8 Feb 2022 21:23:22 +0100
Subject: [PATCH] +20dBm support.

---
 CHANGELOG.md       | 5 +++++
 LoraAprsKissTnc.py | 8 +++++++-
 Start_lora-tnc.py  | 2 +-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a99a375..4d019a0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,3 +22,8 @@ All notable changes to this project will be documented in this file.
 
 ### Fixed
 - LoRa APRS header (<\xff\x01) was not added to the payload, due to an indentation fault. Long live Python!
+
+## [0.0.2] - 2022-02-08
+
+### Added
+- Support for 20dBm output power. Temporarily hard coded in source, but in next version it should be configurable via the configuration file.
diff --git a/LoraAprsKissTnc.py b/LoraAprsKissTnc.py
index ff7cafb..23c85ae 100644
--- a/LoraAprsKissTnc.py
+++ b/LoraAprsKissTnc.py
@@ -93,9 +93,15 @@ class LoraAprsKissTnc(LoRa):
             codingrate = CODING_RATE.CR4_5
         
         self.set_coding_rate(codingrate)        
-        self.set_ocp_trim(100)
+        
+        # Current limiter 180mA for +20dBm (100mA for 17dBm max)
+        self.set_ocp_trim(180)
 
         self.set_pa_config(paSelect, MaxoutputPower, outputPower)
+        
+        # Set PA to +20dBm
+        self.set_pa_dac(1)
+        
         self.set_max_payload_length(255)
         self.set_dio_mapping([0] * 6)
         self.server = server
diff --git a/Start_lora-tnc.py b/Start_lora-tnc.py
index beebbd2..8c84b42 100755
--- a/Start_lora-tnc.py
+++ b/Start_lora-tnc.py
@@ -25,7 +25,7 @@ import configparser
 
 # Read configuration file #
 parser = configparser.ConfigParser()
-parser.read('RPi-LoRa-KISS-TNC.ini')
+parser.read('/home/marcel/ham/RPi-LoRa-KISS-TNC/RPi-LoRa-KISS-TNC.ini')
 
 config_frequency = float(parser.get('LoRaSettings', 'frequency'))
 config_preamble = int(parser.get('LoRaSettings', 'preamble'))