AltaEnet.h

Go to the documentation of this file.

#ifndef _alta_enet_h_
#define _alta_enet_h_

#include <stdint.h>

typedef struct
{
  uint32_t  mode;       // Should always be 1 for APMP mode.
  uint32_t  seqNum;
  uint32_t  status;     // Value of zero is success.
  uint32_t  alta;       // Fixed string "ALTA" - 0x414C5441
  uint32_t  reserved1;
  uint32_t  reserved2;
  uint32_t  reserved3;
  uint32_t  payloadSize;    // in bytes; 4-1376

// These are not really part of the header, but are standard first part of the
// payload for the APMP UDP feed
  uint32_t  PEtimeHigh;
  uint32_t  PEtimeLow;
  uint32_t  IRIGtimeHigh;   // Julian Day (Year if available).
  uint32_t  IRIGtimeLow;    // BCD hour, minute, second.
} APMP_hdr;


// Alta receive packet for each arinc word.
typedef struct
{
  uint32_t  control;    // 0x80000000 is error bit (0=ok, 1=err)
  uint32_t  timeHigh;
  uint32_t  timeLow;    // 20ns / 50Mhz interval timer.
  uint32_t  data;
} rxp;


// Repackaged RXP to pass from UDPARincSensor to DSMArincSensor.
typedef struct
{
  uint32_t time;    // Milliseconde since midnight.
  uint32_t data;    // Arinc 429 word.
} txp;


#endif