/**
*
* This function returns A, B, C and D coefficients.
*
* @param InstancePtr is a pointer to the XYCrCb2Rgbb instance.
* @param Coef specifies a pointer to XYCrCb2Rgb_Coefficients structure
* in which ACoef, BCoef, CCoef, DCoef members value will be
* updated within the range [0.0, 1.0].
*
* @return None.
*
* @note Floating point coefficients are represented in 17-bit fixed
* point format where 17 bits indicates integer portion (Mantissa)
* of the number exclusive of sign bit.
*
******************************************************************************/
void XYCrCb2Rgb_GetCoefs(XYCrCb2Rgb *InstancePtr,
struct XYCrCb2Rgb_Coefficients *Coef)
{
u32 CoefVal;
/* Verify arguments. */
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(Coef != NULL);
CoefVal = XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_ACOEF_OFFSET));
Coef->ACoef = (double)CoefVal /
(double)(1 << (XYCC_16_BIT_COEF_SHIFT));
CoefVal = XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_BCOEF_OFFSET));
Coef->BCoef = (double)CoefVal /
(double)(1 << (XYCC_16_BIT_COEF_SHIFT));
CoefVal = XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_CCOEF_OFFSET));
Coef->CCoef = (double)CoefVal /
(double)(1 << (XYCC_16_BIT_COEF_SHIFT));
CoefVal = XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_DCOEF_OFFSET));
Coef->DCoef = (double)CoefVal /
(double)(1 << (XYCC_16_BIT_COEF_SHIFT));
}
/**
*
* This function disables debug test pattern mode.
*
* @param InstancePtr is a pointer to the XYCrCb2Rgb instance.
*
* @return None.
*
* @note Debug functionality should be enabled.
*
******************************************************************************/
void XYCrCb2Rgb_DisableDbgTestPattern(XYCrCb2Rgb *InstancePtr)
{
/* Verify arguments. */
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->Config.HasDebug != (u16)0x0);
XYCrCb2Rgb_WriteReg(InstancePtr->Config.BaseAddress,
(XYCC_CONTROL_OFFSET),
((XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_CONTROL_OFFSET))) & (~(XYCC_CTL_TPE_MASK))));
}
/**
*
* This function sets the bypass bit of control register to switch the core to
* bypass mode if debug is enabled in the IP.
*
* @param InstancePtr is a pointer to the XYCrCb2Rgb instance.
*
* @return None.
*
* @note Debug functionality should be enabled.
*
******************************************************************************/
void XYCrCb2Rgb_EnableDbgByPass(XYCrCb2Rgb *InstancePtr)
{
/* Verify arguments. */
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->Config.HasDebug != (u16)0x0);
XYCrCb2Rgb_WriteReg(InstancePtr->Config.BaseAddress,
(XYCC_CONTROL_OFFSET),
XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_CONTROL_OFFSET)) | (XYCC_CTL_BPE_MASK));
}
/**
*
* This function gets offset compensation value from the Blue channel.
*
* @param InstancePtr is a pointer to the XYCrCb2Rgb instance.
*
* @return BOffset is a compensation value within the range [0, 255] from
* the Blue channel.
*
* @note None.
*
******************************************************************************/
u32 XYCrCb2Rgb_GetBOffset(XYCrCb2Rgb *InstancePtr)
{
u32 BOffset;
/* Verify argument. */
Xil_AssertNonvoid(InstancePtr != NULL);
BOffset = XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_BOFFSET_OFFSET));
return BOffset;
}
/**
*
* This function gets the minimum value on RGB channels of the output.
*
* @param InstancePtr is a pointer to the XYCrCb2Rgb instance.
*
* @return RGBMin is the minimum value within the range [0, 255] from RGB
* channels of the output.
*
* @note Clamping functionality should be enabled.
*
******************************************************************************/
u32 XYCrCb2Rgb_GetRGBMin(XYCrCb2Rgb *InstancePtr)
{
u32 RGBMin;
/* Verify arguments. */
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->Config.HasClamp != (u16)0x0);
RGBMin = (XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_RGBMIN_OFFSET)) & XYCC_16_BIT_MASK);
return RGBMin;
}
/**
*
* This function facilitates software identification of exact version of the
* YCrCb2rGB hardware (h/w).
*
*
* @param InstancePtr is a pointer to the XYCrCb2Rgb instance.
*
* @return Version, contents of a Version register.
*
* @note None.
*
******************************************************************************/
u32 XYCrCb2Rgb_GetVersion(XYCrCb2Rgb *InstancePtr)
{
u32 Version;
/* Verify argument. */
Xil_AssertNonvoid(InstancePtr != NULL);
/* Read Version register */
Version = XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_VERSION_OFFSET));
return Version;
}
/**
*
* This function returns the pixel count, the number of pixels processed since
* power up. This is available only if the debugging feature is enabled.
*
* @param InstancePtr is a pointer to the XYCrCb2Rgb instance.
*
* @return DbgPixelCount, number of pixels processed since power-up.
*
* @note Debug functionality should be enabled.
*
******************************************************************************/
u32 XYCrCb2Rgb_GetDbgPixelCount(XYCrCb2Rgb *InstancePtr)
{
u32 DbgPixelCount;
/* Verify arguments. */
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->Config.HasDebug != (u16)0x0);
/* Pixel Throughput monitor */
DbgPixelCount = XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_SYSDEBUG2_OFFSET));
return DbgPixelCount;
}
/**
*
* This function gets the active H/V sizes of the YCrCb2Rgb core from
* active size register.
*
* @param InstancePtr is a pointer to the XYCrCb2Rgb instance.
* @param HSize is a pointer to 16-bit variable in which the number of
* Active Pixels per scanline is returned within the range
* [32, 8192].
* @param VSize is a pointer to 16-bit variable in which the number of
* Active Lines per frame is returned within the range
* [32, 8192].
*
* @return None.
*
* @note None.
*
******************************************************************************/
void XYCrCb2Rgb_GetActiveSize(XYCrCb2Rgb *InstancePtr, u16 *HSize, u16 *VSize)
{
u32 Data;
/* Verify arguments. */
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(HSize != NULL);
Xil_AssertVoid(VSize != NULL);
Data = XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_ACTIVE_SIZE_OFFSET));
/* Reads Number of Active Pixels per scan line */
*VSize = (u16)((Data &
(XYCC_ACTSIZE_NUM_LINE_MASK)) >>
(XYCC_ACTSIZE_NUM_LINE_SHIFT));
/* Reads number of active lines per frame */
*HSize = (u16)(Data &
(XYCC_ACTSIZE_NUM_PIXEL_MASK));
}
/**
*
* This function reads Version register of YCRCB2RGB core and compares with
* zero as part of self test.
*
* @param InstancePtr is a pointer to the XCrCb2Rgb instance.
*
* @return
* - XST_SUCCESS if the Version register read test was successful.
* - XST_FAILURE if the Version register read test failed.
*
* @note None.
*
******************************************************************************/
int XYCrCb2Rgb_SelfTest(XYCrCb2Rgb *InstancePtr)
{
u32 Version;
int Status;
/* Verify argument. */
Xil_AssertNonvoid(InstancePtr != NULL);
Version = XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_VERSION_OFFSET));
/* Compare Version with zero */
if (Version != (u32)0x0) {
Status = (XST_SUCCESS);
}
else {
Status = (XST_FAILURE);
}
return Status;
}
/**
*
* This function returns the test-pattern generator mode (enabled or not), if
* debug feature is enabled.
*
* @param InstancePtr is a pointer to the XYCrCb2Rgb instance.
*
* @return
* - TRUE if Test-pattern mode is enabled.
* - FALSE if Test-pattern mode is not enabled.
*
* @note Debug functionality should be enabled.
*
******************************************************************************/
int XYCrCb2Rgb_IsDbgTestPatternEnabled(XYCrCb2Rgb *InstancePtr)
{
u32 DbgTestPattern;
int Status;
/* Verify argument. */
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->Config.HasDebug != (u16)0x0);
DbgTestPattern = XYCrCb2Rgb_ReadReg(InstancePtr->Config.BaseAddress,
(XYCC_CONTROL_OFFSET)) & (XYCC_CTL_TPE_MASK);
if (DbgTestPattern == (XYCC_CTL_TPE_MASK)) {
Status = (TRUE);
}
else {
Status = (FALSE);
}
return Status;
}
