text: #ifndef AT_COMMANDS_H
  #define AT_COMMANDS_H
  
  #define AT_COMMAND_LIST_MAX_SIZE 2
  #define AT_MODIFIER_LIST_MAX_SIZE 2
  #define AT_COMMAND_CHAR_LENGTH_MAX_SIZE 10 - 1
  #define AT_COMMAND_CHAR_LENGTH_MIN_SIZE 8 - 1  
  
  #include <stdint.h>
  
  extern const uint32_t AT_Initial;
  
  extern const uint32_t AT_CommandList[AT_COMMAND_LIST_MAX_SIZE];
  
  extern const uint8_t AT_ModifierList[AT_MODIFIER_LIST_MAX_SIZE];
  
  #endif /*AT_COMMANDS_H*/