getter method for abzug_state

abzug.c

@@ -1,5 +1,7 @@
 #include <avr/io.h>
+#include <stdint.h>
 #include "avrIOhelper/io-helper.h"
+#include "common.h"
 
 uint16_t abzug_speed = 100;
 
@@ -14,8 +16,11 @@ void timer3_init()
     DDRE |= 1 << 4;
 }
 
+uint8_t get_abzug_state(){
+    return TCCR3B & _BV(CS31);
+}
 
-void send_settings(void);
+extern void send_settings(void);
 void do_abzug(){
 
     if (read_Input(BTN_ABZUG_EIN, RISING)) {

abzug.h

@@ -7,5 +7,6 @@ extern uint16_t abzug_speed;
 
 void do_abzug(void);
 void timer3_init(void);
+uint8_t get_abzug_state(void);
 
 #endif