+20dBm support.

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.

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

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'))