mate.h

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/* Authors:   Philip Levis
 * History:   created 4/18/2002
 *            ported to nesC 6/19/2002
 *            shifted to Mate (instead of Bombilla) 3/10/04
 */

/**
 * @author Philip Levis
 */


#ifndef MATE_TYPES_H_INCLUDED
#define MATE_TYPES_H_INCLUDED

#include "list.h"
#include <stddef.h>
#include "AM.h"
#include "MateConstants.h"

typedef struct {
  list_t queue;
} MateQueue;

typedef struct {
  uint8_t type;
  uint16_t var;
} MateSensorVariable;

typedef struct {
  uint8_t padding;
  int16_t var;
} MateValueVariable;

typedef struct {
  uint8_t type;
  uint8_t size;
  int16_t entries[MATE_BUF_LEN];
} MateDataBuffer;

typedef struct {
  uint8_t padding;
  MateDataBuffer* var;
} MateBufferVariable;

typedef struct {
  uint8_t type;
  union {
    MateSensorVariable sense;
    MateValueVariable value;
    MateBufferVariable buffer;
  };
} MateStackVariable;

typedef struct {
  uint8_t sp;
  MateStackVariable stack[MATE_OPDEPTH];
} MateOperandStack;
   	 
typedef struct {
  //  uint32_t indexes;
  //uint8_t counter;
} MateBiBaSignature;

typedef uint32_t b_capsule_version;

typedef struct {
  b_capsule_version version;
  uint8_t type;
  uint8_t options;
  uint16_t codeLen;
  int8_t code[MATE_PGMSIZE];
  //  MateBiBaSignature signature;
} MateCapsule;

typedef struct {
  bool haveSeen;
  uint8_t usedVars[(MATE_HEAPSIZE + 7) / 8];
  MateCapsule capsule;
} MateCapsuleBuffer;

typedef struct {
  MateCapsuleBuffer* capsule;
  uint8_t pc;
} MateReturnVariable;

typedef struct {
  uint8_t sp;
  MateReturnVariable stack[MATE_CALLDEPTH];
} MateReturnStack;

typedef struct {
  uint16_t pc;                                 // Current pc value
  uint8_t state;                               // Context state
  uint8_t which;                               // Context ID
  MateCapsuleBuffer* rootCapsule;              // Starting routine
  MateCapsuleBuffer* currentCapsule;           // Current routine
  uint8_t heldSet[(MATE_HEAPSIZE + 7) / 8];    // Held locks
  uint8_t releaseSet[(MATE_HEAPSIZE + 7) / 8]; // Pending lock releases
  uint8_t acquireSet[(MATE_HEAPSIZE + 7) / 8]; // Locks to acquire
  MateOperandStack opStack;                    // Operand stack
  list_link_t link;                            // Link entry for wait queues
  MateQueue* queue;                            // Current wait queue
} MateContext;

typedef struct {
  MateContext* holder;
} MateLock;

typedef struct MateErrorMsg {
  uint8_t context;
  uint8_t reason;
  uint8_t capsule;
  uint8_t instruction;
} MateErrorMsg;

typedef struct MatePacketMsg {
  int8_t header[MATE_HEADERSIZE];
  MateDataBuffer payload;
} MatePacket;

typedef struct MateTrickleTimer {
  uint16_t elapsed;      // Current time (in ticks)
  uint16_t threshold;    // Time to consider transmitting (in ticks) (t)
  uint16_t interval;     // Size of current interval (in ticks)      (tau)
  uint16_t numHeard;     // Number of messages heard                 (c)
} MateTrickleTimer;

typedef struct MateCapsuleChunkMsg {
  b_capsule_version version;
  uint8_t capsuleNum;
  uint8_t piece;
  uint8_t chunk[MVIRUS_CHUNK_SIZE];
} MateCapsuleChunkMsg;

typedef struct MateVersionMsg {
  b_capsule_version versions[MATE_CAPSULE_NUM];
} MateVersionMsg;

typedef struct MateCapsuleStatusMsg {
  b_capsule_version version;
  uint8_t capsuleNum;
  uint8_t bitmask[MVIRUS_BITMASK_SIZE];
} MateCapsuleStatusMsg;

typedef struct MateCapsuleMsg {
  MateCapsule capsule;
} MateCapsuleMsg;

#endif