Remove extern variables replace by functions

src/main.cpp

@@ -33,15 +33,13 @@
 #include "opalib_quick_start.h"
 
 
-float32_t v_ref = 10.0F;
-float32_t v_send = 0.0F;
 
 void main(void)
 {
 
     opalib_quick_start_set_hardware_version(v_1_1_2);
     opalib_quick_start_init_voltage(opalib_pid_voltage_calculation_and_pwm_update, 50);
-    opalib_pid_voltage_init_buck(v_ref, 0.000215, 2.86, 0, 50);
+    opalib_pid_voltage_init_buck(10, 0.000215, 2.86, 0, 50);
 	
 
     opalib_quick_start_launch_task();

zephyr/modules/owntech_can_api/zephyr/src/data_nodes.cpp

@@ -44,8 +44,8 @@ float32_t i2low_out = 0;
 float32_t vhigh_out = 0;
 float32_t ihigh_out = 0;
 
-extern float32_t v_ref;
-extern float32_t v_send;
+float32_t v_ref;
+float32_t v_send;
 
 static float32_t load_dim = 1.0;
 bool loadEnable = true;
@@ -269,4 +269,9 @@ void uint64_to_base32(uint64_t in, char *out, size_t size, const char *alphabet)
     out[len] = '\0';
 }
 
+
+void *get_data_ptr(int nodeRank){
+    return data_nodes[nodeRank].data;
+}
+
 #endif /* CUSTOM_DATA_NODES_FILE */

zephyr/modules/owntech_can_api/zephyr/src/data_nodes.h

@@ -68,4 +68,13 @@ const char alphabet_crockford[] = "0123456789abcdefghjkmnpqrstvwxyz";
  */
 void uint64_to_base32(uint64_t in, char *out, size_t size, const char *alphabet);
 
+/**
+ * returns the address of 
+ * the variable linked to a 
+ * data node which is stored 
+ * at rank nodeRank in 
+ * data_nodes
+ */
+void *get_data_ptr(int nodeRank);
+
 #endif // DATA_NODES_H_