space_packet.h

[詳解]

 
#ifndef SPACE_PACKET_H_
#define SPACE_PACKET_H_
 
#include <stdint.h>
#include "space_packet_typedef.h"
#include "../common_tlm_cmd_packet.h"
 
#define SP_PRM_HDR_LEN   (6)   
 
 
typedef enum
{
  SP_VER_1 = 0,     
  SP_VER_UNKNOWN
} SP_VER;
 
typedef enum
{
  SP_TYPE_TLM = 0,    
  SP_TYPE_CMD = 1     
} SP_TYPE;
 
typedef enum
{
  SP_2ND_HDR_FLAG_ABSENT  = 0,     
  SP_2ND_HDR_FLAG_PRESENT = 1      
} SP_2ND_HDR_FLAG;
 
typedef enum
{
  SP_SEQ_FLAG_CONT   = 0,   
  SP_SEQ_FLAG_FIRST  = 1,   
  SP_SEQ_FLAG_LAST   = 2,   
  SP_SEQ_FLAG_SINGLE = 3    
} SP_SEQ_FLAG;
 
typedef struct
{
  uint16_t pos;       
  uint8_t  mask;      
  uint8_t  offset;    
  uint8_t  byte_len;  
} SP_ParamExtractionInfo;
 
 
// ******************************
//  Primary Header getter/setter
// ******************************
 
SP_VER SP_get_ver(const SpacePacket* sp);
 
void SP_set_ver(SpacePacket* sp, SP_VER ver);
 
SP_TYPE SP_get_type(const SpacePacket* sp);
 
void SP_set_type(SpacePacket* sp, SP_TYPE type);
 
SP_2ND_HDR_FLAG SP_get_2nd_hdr_flag(const SpacePacket* sp);
 
void SP_set_2nd_hdr_flag(SpacePacket* sp, SP_2ND_HDR_FLAG flag);
 
APID SP_get_apid(const SpacePacket* sp);
 
void SP_set_apid(SpacePacket* sp, APID apid);
 
SP_SEQ_FLAG SP_get_seq_flag(const SpacePacket* sp);
 
void SP_set_seq_flag(SpacePacket* sp, SP_SEQ_FLAG flag);
 
uint16_t SP_get_seq_count(const SpacePacket* sp);
 
void SP_set_seq_count(SpacePacket* sp, uint16_t count);
 
uint16_t SP_get_packet_data_len(const SpacePacket* sp);
 
void SP_set_packet_data_len(SpacePacket* sp, uint16_t len);
 
 
// ******************
//  Utility Function
// ******************
 
uint16_t SP_get_packet_len(const SpacePacket* sp);
 
void SP_set_packet_len(SpacePacket* sp, uint16_t len);
 
void SP_copy_packet(SpacePacket* dest, const SpacePacket* src);
 
void SP_extract_param_from_packet(const SpacePacket* sp,
                                  const SP_ParamExtractionInfo* pei,
                                  void* dst);
 
void SP_insert_param_to_packet(SpacePacket* sp,
                               const SP_ParamExtractionInfo* pei,
                               const void* src);
 
#endif