From abdd1c4292b6a8c15b2ac624124d6617c5781161 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torsten=20R=C3=B6mer?= <torsten.roemer@luniks.net>
Date: Fri, 16 May 2025 00:54:20 +0200
Subject: [PATCH] Enable global interrupts after initialization

+ receiver responds with output power reported by transmitter instead of +17 dBm
+ introduce Atmel ICE
---
 Makefile | 3 ++-
 avrrfm.c | 8 +++++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index fb1616c..7098cfb 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,8 @@ MCU = atmega328p
 F_CPU = 8000000
 BAUD = 9600
 PROGRAMMER_TYPE = avrispmkII
-PROGRAMMER_ARGS = 
+# PROGRAMMER_TYPE = atmelice_isp
+PROGRAMMER_ARGS = -B 125kHz
 
 # Supported RFM radio module variants: 69 and 95
 RFM = 95
diff --git a/avrrfm.c b/avrrfm.c
index 23a97ff..8e409aa 100644
--- a/avrrfm.c
+++ b/avrrfm.c
@@ -272,6 +272,7 @@ static void receiveTemp(void) {
             rfmLoRaRxRead(payload, sizeof (payload));
             Temperature temp = readTemp(payload);
 
+            rfmSetOutputPower(temp.power);
             uint8_t response[] = {flags.rssi};
             rfmLoRaTx(response, sizeof (response));
 
@@ -285,6 +286,7 @@ static void receiveTemp(void) {
             rfmReadPayload(payload, sizeof (payload));
             Temperature temp = readTemp(payload);
 
+            rfmSetOutputPower(temp.power);
             uint8_t response[] = {flags.rssi};
             rfmTransmitPayload(response, sizeof (response), NODE2);
 
@@ -349,9 +351,6 @@ int main(void) {
         initWatchdog();
     }
 
-    // enable global interrupts
-    sei();
-
     printString("Hello Radio!\r\n");
 
     uint8_t node = RECEIVER ? NODE1 : NODE2;
@@ -374,6 +373,9 @@ int main(void) {
         }
     }
 
+    // enable global interrupts
+    sei();
+
     while (true) {
         if (radio) {
             if (!RECEIVER) {