Assign different can_node_ids to each axis by default

Firmware/MotorControl/axis.cpp

@@ -81,6 +81,10 @@ void Axis::load_default_step_dir_pin_config(
     config->dir_gpio_pin = hw_config.dir_gpio_pin;
 }
 
+void Axis::load_default_can_id(const int& id, Config_t& config){
+    config.can_node_id = id;
+}
+
 void Axis::decode_step_dir_pins() {
     step_port_ = get_gpio_port_by_pin(config_.step_gpio_pin);
     step_pin_ = get_gpio_pin_by_pin(config_.step_gpio_pin);

Firmware/MotorControl/axis.hpp

@@ -97,6 +97,7 @@ public:
     void decode_step_dir_pins();
     static void load_default_step_dir_pin_config(
         const AxisHardwareConfig_t& hw_config, Config_t* config);
+    static void load_default_can_id(const int& id, Config_t& config);
 
     bool check_DRV_fault();
     bool check_PSU_brownout();

Firmware/MotorControl/main.cpp

@@ -74,6 +74,7 @@ void load_configuration(void) {
             axis_configs[i] = Axis::Config_t();
             // Default step/dir pins are different, so we need to explicitly load them
             Axis::load_default_step_dir_pin_config(hw_configs[i].axis_config, &axis_configs[i]);
+            Axis::load_default_can_id(i, axis_configs[i]);
         }
     } else {
         user_config_loaded_ = true;