From b774cca90937d43a13a6216555126bf9c73b9cb3 Mon Sep 17 00:00:00 2001
From: John Janus <j.janus@lighthouse-it.de>
Date: Tue, 29 Aug 2017 12:44:31 +0200
Subject: [PATCH] fix bug which made switching the radio on again impossible

---
 simple_try.c | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/simple_try.c b/simple_try.c
index f3a0e21..ef9f037 100644
--- a/simple_try.c
+++ b/simple_try.c
@@ -22,23 +22,31 @@ pthread_cond_t* wakeup;
 pthread_mutex_t* mut;
 
 void ctrlCHandler(int signum) {
+    pthread_mutex_lock(mut);
     running = false;
+    pthread_mutex_unlock(mut);
     pthread_cond_signal(wakeup);
     return;
 }
 
 void pwrBtn(void) {
+    pthread_mutex_lock(mut);
     pwrOn = !pwrOn;
+    pthread_mutex_unlock(mut);
     pthread_cond_signal(wakeup);
 }
 
 void chnl1Btn(void) {
+    pthread_mutex_lock(mut);
     chnl1 = true;
+    pthread_mutex_unlock(mut);
     pthread_cond_signal(wakeup);
 }
 
 void chnl2Btn(void) {
+    pthread_mutex_lock(mut);
     chnl1 = false;
+    pthread_mutex_unlock(mut);
     pthread_cond_signal(wakeup);
 }
 
@@ -71,29 +79,25 @@ int main(void) {
     printf("Start Main Loop\n");
     while (running) {
         pthread_mutex_lock(mut);
-        
         pthread_cond_wait(wakeup, mut);
         
         if (!pwrOn) {
             digitalWrite(PWRLED, HIGH);
             digitalWrite(CHNL1LED, HIGH);
             digitalWrite(CHNL2LED, HIGH);
-            //sleep(0.3);
-            continue;
-        }
-        digitalWrite(PWRLED, LOW);
-        if (chnl1) {
-            digitalWrite(CHNL1LED, LOW);
-            digitalWrite(CHNL2LED, HIGH);
         } else {
-            digitalWrite(CHNL2LED, LOW);
-            digitalWrite(CHNL1LED, HIGH);
+            digitalWrite(PWRLED, LOW);
+            if (chnl1) {
+                digitalWrite(CHNL1LED, LOW);
+                digitalWrite(CHNL2LED, HIGH);
+            } else {
+                digitalWrite(CHNL2LED, LOW);
+                digitalWrite(CHNL1LED, HIGH);
+            }
         }
         pthread_mutex_unlock(mut);
-        //delay(200);
-        //sleep(0.3);
-
     }
+    
     printf("ShuttingDown\n");
     pthread_cond_destroy(wakeup);
     pthread_mutex_destroy(mut);
-- 
2.47.0