Пример #1
0
/*---------------------------------------------------------------------------
     TITLE   : Hw_I2C_IMU_GetErrStatus
     WORK    : 
     ARG     : void
     RET     : void
---------------------------------------------------------------------------*/
u16 Hw_I2C_IMU_GetErrStatus( void )
{
	u16 Err = 0;
	u16 SR;

	if( IS_SET_BIT(REG_I2C1_SR1, 11) ) Err = 11;
	if( IS_SET_BIT(REG_I2C1_SR1, 10) ) Err = 10;
	if( IS_SET_BIT(REG_I2C1_SR1,  9) ) Err =  9;
	if( IS_SET_BIT(REG_I2C1_SR1,  8) ) Err =  8;


	//-- 에러가 난경우 복구
	//
	if( Err != 0 )
	{
		CLR_BIT( REG_I2C1_CR1, 0 );		// Peripheral disable	
		SR = REG_I2C1_SR1;
		SR = REG_I2C1_SR2;

		SET_BIT( REG_I2C1_CR1, 0 );		// Peripheral enable	
		SR = REG_I2C1_SR1;
		SR = REG_I2C1_SR2;
	}

	return Err;
}
Пример #2
0
Std_ReturnType Serial_BackgroundTask()
{
	Std_ReturnType retval = Status_OK;

	if (transmitStateMachine == Serial_Writing)
	{
		// Check for empty transmit buffer
		if (IS_SET_BIT(UCSR0A, UDRE0))
		{
			if (transmitLength > 0)
			{
				UDR0 = *(transmitBuffer++);
				transmitLength--;
			}
			else
			{
				transmitStateMachine = Serial_Ready;
			}
		}

		// More processing needed
		retval = Status_Pending;
	}

	return retval;
}
Пример #3
0
/*---------------------------------------------------------------------------
     TITLE   : Hw_I2C_IMU_WaitForBitSet
     WORK    : 
     ARG     : void
     RET     : void
---------------------------------------------------------------------------*/
u16 Hw_I2C_IMU_WaitForBitSet( u32 *reg_addr, u32 reg_bit, u32 time_out )
{
	u32 Ret = 0;
	volatile u32 Reg;


	while( time_out )
	{
		Reg = *reg_addr;

		if( IS_SET_BIT( Reg, reg_bit ) ) break;

		time_out--;
	}
			
	if( time_out == 0 ) 
	{
		Ret = HW_I2C_ERR_TIMEOUT;
	}

	return Ret;
}
Пример #4
0
void EdgeDetector::search_for_closest_edge_point_with_pole( ClosestEdge& result, std::vector<TooN::Vector<3> > & vv3EdgeStrs, 
    const EdgeFeature & edgeFeature, const CVD::Image<REAL_TYPE>& image, const TooN::Vector<2> & v2ImagePoint, const TooN::Vector<2>& v2Normal )
{
  TooN::Vector<3> edgeStr;
  TooN::Vector<2> v2Xn;
  register int i, j, k, chkpt, nSearch, nSearch_2nw, nSearch_nw, TwoiMaxSearchRange;
  // apply mask to find edgeStr in both magnitude and direction for a whole range of search path.
  TwoiMaxSearchRange = 2*miMaxSearchRange;
  for( nSearch = 0; nSearch <= TwoiMaxSearchRange; ++nSearch )
  {
    v2Xn = v2ImagePoint + ( nSearch - miMaxSearchRange ) * v2Normal;
    if( !image.in_image_with_border( CVD::ir( v2Xn ), 10 ) ) break;
    edgeStrength( edgeStr, image, int( v2Xn[0] ), int( v2Xn[1] ) );
    vv3EdgeStrs[nSearch] = edgeStr;
  }
  // 1D NMS for (2nw+1)-Neighborhood
  // Efficient Non-Maximum Suppression, Alexander Neubeck and Luc Van Gool, ICPR, 2006
  result.bNotFound = true;
  REAL_TYPE subpixel, distance, test;
  result.rDistance = 2 * miMaxSearchRange + 1.f; 
  const int nw = 2; // test nw = 2, must be more than or equal to 2;
  i = nw;
  CompPartialMax( vv3EdgeStrs, 0, i - 1 );
  chkpt = -1;
  nSearch_2nw = nSearch - 2*nw;
  nSearch_nw = nSearch - nw;
  while( i <= nSearch_2nw )
  {
    j = CompPartialMax( vv3EdgeStrs, i, i + nw );
    k = CompPartialMax( vv3EdgeStrs, i + nw + 1, j + nw );
    if( i == j || vv3EdgeStrs[j][0] > vv3EdgeStrs[k][0] )
    {
      if( ( chkpt <= j - nw || vv3EdgeStrs[j][0] >= mvrPMAX[chkpt] )
          && ( j - nw == i || vv3EdgeStrs[j][0] >= mvrPMAX[j - nw] ) )
      {
        if( vv3EdgeStrs[j][0] > mfEdgeThreshold ) // found edge
        {
          test = v2Normal*vv3EdgeStrs[j].slice(1,2);
          if( ( IS_SET_BIT( edgeFeature.ucBits, EDGE_POLE ) && test > 0 ) || ( !IS_SET_BIT( edgeFeature.ucBits, EDGE_POLE ) && test <= 0 ) )
          {
            if( fabs(test) > COSANGLE ) // check angle
            {
              distance = j - miMaxSearchRange;
              if( fabs( result.rDistance ) >= fabs( distance ) )
              {
                result.rDistance = distance;
                result.iEdgeIndex = j;
                result.bNotFound = false;
              }
              else
                goto exit_label;
            }
          }
        }
      }
      if( i < j ) chkpt = i + nw + 1;
      i = j + nw + 1;
    }
    else
    {
      i = k;
      chkpt = j + nw + 1;
      while( i <= nSearch_nw )
      {
        j = CompPartialMax( vv3EdgeStrs, chkpt, i + nw );
        if( vv3EdgeStrs[i][0] > vv3EdgeStrs[j][0] )
        {
          if( vv3EdgeStrs[i][0] > mfEdgeThreshold ) // found edge
          {
            test = v2Normal*vv3EdgeStrs[i].slice(1,2);
            if( ( IS_SET_BIT( edgeFeature.ucBits, EDGE_POLE ) && test > 0 ) || ( !IS_SET_BIT( edgeFeature.ucBits, EDGE_POLE ) && test <= 0 ) )
            {
              if( fabs(test) > COSANGLE ) // check angle
              {
                distance = i - miMaxSearchRange;
                if( fabs( result.rDistance ) >= fabs( distance) )
                {
                  result.rDistance = distance;
                  result.iEdgeIndex = i;
                  result.bNotFound = false;
                }
                else
                  goto exit_label;
              }
            }
          }
          i = i + nw + 1;
          break;
        }
        else
        {
          chkpt = i + nw - 1;
          i = j;
        }
      }
    }
  }
  exit_label:
  if( !result.bNotFound )
  {
// subpixel m = a-c/(2*(a-2b-c) where the parabola passing though (-1,a), (0,b), (1,c)
// A Non-Maxima Suppression Method for Edge Detection with Sub-Pixel Accuracy.
    REAL_TYPE den = ( 2.0 * ( vv3EdgeStrs[result.iEdgeIndex - 1][0] - 2.0 * vv3EdgeStrs[result.iEdgeIndex][0] + vv3EdgeStrs[result.iEdgeIndex + 1][0] ) );
    if( result.iEdgeIndex >= 1 && den != 0 )
      subpixel = ( vv3EdgeStrs[result.iEdgeIndex - 1][0] - vv3EdgeStrs[result.iEdgeIndex + 1][0] ) / den;
    else subpixel = 0.0;
    result.rDistance += subpixel;
  }
}