sc/Keyset.cpp at master · 5ym/sc · GitHub

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#include <string.h>
#include "Global.h"
#include "Keyset.h"

static Keyset_t KeysetTable[256] = {
  0xff,
};

s32
BCAS::Keyset::Register (const Keyset_t * Keyset)
{
  if (Keyset == NULL)
    return -1;

  KeysetTable[Keyset->BroadcastGroupID] = *Keyset;

  return 0;
}

void
BCAS::Keyset::Unregister (u8 BroadcasterGroupID)
{
  KeysetTable[BroadcasterGroupID].BroadcastGroupID =
    BroadcasterGroupID ^ 0xff;
}

s32
BCAS::Keyset::GetKey (u8 BroadcasterGroupID, u8 WorkKeyID, u8 * Key)
{
  if (Key == NULL)
    return -1;

  Keyset_t *
    Set = &KeysetTable[BroadcasterGroupID];
  int
    Index = WorkKeyID & 1;

  if (Set->BroadcastGroupID != BroadcasterGroupID)
    return -2;

  if (Set->Keys[Index].WorkKeyID != WorkKeyID)
    return -3;

  memcpy (Key, Set->Keys[Index].Key, 8);

  return 0;
}

s32
BCAS::Keyset::GetKeyset (u8 BroadcasterGroupID, Keyset_t & KS)
{
  Keyset_t *
    Set = &KeysetTable[BroadcasterGroupID];

  if (Set->BroadcastGroupID != BroadcasterGroupID)
    return -1;

  KS = *Set;

  return 0;
}