declared variabels as extern for linker - to test

Author: JPGC04

pio_workspace/lib/power_custom/power_micro_ros.cpp

@@ -1,5 +1,13 @@
 #include "power_micro_ros.h"
 
+rcl_subscription_t propulsion_microseconds_subscriber;
+std_msgs__msg__Int16MultiArray propulsion_microseconds_msg;
+rclc_executor_t executor;
+rclc_support_t support;
+rcl_allocator_t allocator;
+rcl_node_t node;
+rcl_timer_t timer;
+
 void micro_ros_init() {
     set_microros_transports();
 

pio_workspace/lib/power_custom/power_micro_ros.h

@@ -11,13 +11,13 @@
 
 #define LED_PIN 13
 
-rcl_subscription_t propulsion_microseconds_subscriber;
-std_msgs__msg__Int16MultiArray propulsion_microseconds_msg;
-rclc_executor_t executor;
-rclc_support_t support;
-rcl_allocator_t allocator;
-rcl_node_t node;
-rcl_timer_t timer;
+extern rcl_subscription_t propulsion_microseconds_subscriber;
+extern std_msgs__msg__Int16MultiArray propulsion_microseconds_msg;
+extern rclc_executor_t executor;
+extern rclc_support_t support;
+extern rcl_allocator_t allocator;
+extern rcl_node_t node;
+extern rcl_timer_t timer;
 
 #define RCCHECK(fn) { rcl_ret_t temp_rc = fn; if((temp_rc != RCL_RET_OK)){error_loop();}}
 #define RCSOFTCHECK(fn) { rcl_ret_t temp_rc = fn; if((temp_rc != RCL_RET_OK)){}}