text: 
  #ifndef CAMERA_SYSTEM_H
  #define CAMERA_SYSTEM_H
  
  #include "camera_interface.h"
  
  
  
  enum {
  	CAMRQ_NO = 0,
  	CAMRQ_TAKE_PHOTO,
  	CAMRQ_SEND_PHOTO,
  } camera_request;
  enum{
  	CAMST_NOT_READY,
  	CAMST_READY_TO_TAKE_PHOTO,
  	CAMST_READY_TO_SEND,
  	CAMST_SEND_PHOTO,
  	CAMST_SLEEP,
  	CAMST_ERROR,
  } camera_status;
  
  void camera_system_init(CAMERA *hcam);
  
  void camera_system_update(CAMERA *hcam);
  #endif
  