www.gusucode.com > visionhdl工具箱matlab源码程序 > visionhdl/visionhdlutilities/@visionhdlsupport/@LineBuffer/cgireml/FIFOHandler.m
function [pushFIFO, popFIFO, upperPop, InitializeFlag, ...
enableDataCacheOut,unloadhStartOut, unloadhEndOut, ...
unloadvEndOut, unloadValidOut, unloadingDelayedOut, lineMaskOut, runOrUnload, validOut,delayedVStartOut,resetFIFO, loadingFlag,UnloadingOut, lineSpaceLoad, lineSpaceEn, loadCount] = FIFOHandler(...
allLineStart, hStartIn, vEndIn, validIn, lineSpaceAverageIn, allNextLineStart, vEndFlag, allFIFOEmpty, vStartIn, hEndIn,halfLoaded)
%#codegen
persistent LoadingPaddingRunCount;
persistent RunningPaddingRunCount;
persistent UnloadingPaddingRunCount;
persistent InitialCount;
persistent Loading;
persistent Unloading;
persistent Running;
persistent Initialize;
persistent InterFrameReset;
persistent DelayedVStart;
persistent InBetween;
persistent LineSpace;
persistent LineMask;
persistent removeThis;
persistent loadCounter;
persistent upperHalfPopCount;
persistent upperPopREG;
persistent FIFOPopREG;
persistent resetFIFOREG;
persistent unloadToggle;
if isempty(Loading)
LoadingPaddingRunCount =uint8(0);
RunningPaddingRunCount =fi(0,0,CEILHALFWIDTHHEIGHT,0,'OverflowAction','Saturate');
UnloadingPaddingRunCount = uint8(0);
InitialCount = uint8(0);
upperHalfPopCount =fi(0,0,COUNTERT,0);
% loadTo = uint8(0);
loadTo = uint16(0);
Loading = false;
Unloading = false;
Running = false;
Initialize = true;
InterFrameReset = false;
DelayedVStart = false;
InBetween = false;
LineSpace = fi(0,0,LINESPACET,0);
loadCounter =fi(0,0,COUNTERT,0);
LineMask = fi(0,0,LOADTO,0);
removeThis = false;
% localValid = false;
% runOrUnload = false;
lineMaskOut = fi(0,0,LOADTO,0);
popFIFO = fi(0,0,LOADTO,0);
pushFIFO = fi(0,0,LOADTO,0);
upperPop = fi(0,0,HALFHEIGHT,0);
upperPopREG = fi(0,0,HALFHEIGHT,0);
upperPopTemp = fi(0,0,HALFHEIGHT,0);
FIFOPopREG = fi(0,0,HALFHEIGHT,0);
% popFIFO4REG = fi(0,0,HALFHEIGHT,0);
% pushFIFO4REG = fi(0,0,HALFHEIGHT,0);
% resetFIFOREG = false;
unloadToggle = false(1,8);
end
popFIFO(:) = 0;
pushFIFO(:) = 0;
upperPop(:) = 0;
popLast = false;
enableDataCacheOut = false;
unloadhStartOut = false;
unloadhEndOut = false;
unloadvEndOut = false;
unloadValidOut = false;
unloadingDelayedOut=false;
lineMaskOut(:) = 0;
validOut = false;
resetFIFO = false;
if vStartIn
Loading = true;
Initialize = false;
InterFrameReset = false;
removeThis =false;
LoadingPaddingRunCount(:) = HALFHEIGHT;
end
if (validIn) && (Loading)
DelayedVStart = false;
if hStartIn && (vStartIn==0)
LoadingPaddingRunCount(:) = LoadingPaddingRunCount -1;
end
for ii = 1:1:HALFHEIGHT
popFIFO = bitset(popFIFO,ii);
pushFIFO = bitset(pushFIFO,ii);
% pushFIFO = bitset(pushFIFO,ii);
end
% if LoadingPaddingRunCount == HALFHEIGHT
% pushFIFO = bitset(pushFIFO,HALFHEIGHT,1);
% if ((bitget(halfLoaded,HALFHEIGHT)) == 0)
% popFIFO = bitset(popFIFO, HALFHEIGHT,1);
% pushFIFO = bitset(pushFIFO,HALFHEIGHT+1,1);
% end
% else
% pushFIFO = bitset(pushFIFO,HALFHEIGHT,0);
% popFIFO = bitset(popFIFO, HALFHEIGHT,0);
% end
%
% for ii = 1:1:HALFHEIGHT-1
%
% if LoadingPaddingRunCount <= ii
% if ((bitget(halfLoaded,ii)) == 0)
% popFIFO = bitset(popFIFO,ii,1);
% pushFIFO = bitset(pushFIFO,ii+1,1);
% else
% popFIFO = bitset(popFIFO,ii,0);
% pushFIFO = bitset(pushFIFO,ii+1,0);
% end
% end
% % if PaddingRunCount == 1
% % if ((bitget(halfLoaded,1)) == 0)
% % popFIFO = bitset(popFIFO,1,1);
% % pushFIFO = bitset(pushFIFO,2,1);
% % else
% % popFIFO = bitset(popFIFO,1,0);
% % pushFIFO = bitset(pushFIFO,2,0);
% % end
% % end
%
% end
% if allLineStart == 0
% pushFIFO = bitset(pushFIFO,HALFHEIGHT);
% end
if Loading && hStartIn && LoadingPaddingRunCount ==0
Loading = false;
Running = true;
DelayedVStart = true;
else
DelayedVStart = false;
end
end
if Running
if removeThis
DelayedVStart = false ;
end
removeThis =true;
upperPopTemp(:) = 0;
if (hStartIn && DelayedVStart)
RunningPaddingRunCount(:) = 1;
upperPopTemp = bitset(upperPop,RunningPaddingRunCount);
elseif ((hStartIn && RunningPaddingRunCount ~= 0) && ((RunningPaddingRunCount< 253)))
RunningPaddingRunCount(:) = RunningPaddingRunCount + 1;
upperPopTemp = bitset(upperPop,RunningPaddingRunCount);
end
enableDataCacheOut = true;
if (RunningPaddingRunCount == HALFHEIGHT)
loadTo(:) = LOADTO;
else
loadTo(:) = HALFHEIGHT + RunningPaddingRunCount;
end
% for ii = 1:1:HALFHEIGHT
% if ii == (upperHalfPopCount)
% upperPopTemp = bitset(upperPop,ii);
% else
% upperPopTemp = bitset(upperPop,ii,0);
% end
% end
popFIFO(:) = 0;
pushFIFO(:) = 0;
for ii = 2:1:KERNELHEIGHT
if ii<= loadTo
popFIFO = bitset(popFIFO, ii-1);
pushFIFO = bitset(pushFIFO, ii);
end
end
if validIn
pushFIFO = bitset(pushFIFO,1);
end
else
upperPopTemp(:) = 0;
end
if validIn && vEndIn
Loading = false;
Running = false;
Unloading = true;
InterFrameReset = false;
UnloadingDelayed = false;
UnloadingPaddingRunCount(:) = PADRUN;
end
%% Unloading
runOrUnload = Running||Unloading;
if Unloading
unloadhStartOut = false;
if (~InBetween) && allNextLineStart && ~unloadToggle(end)
unloadhEndOut = true;
unloadToggle(1) = true;
unloadvEndOut = unloadhEndOut && UnloadingPaddingRunCount == 0;
end
% if InBetween
% lineSpaceEn = true;
% else
% lineSpaceEn = false;
% end
unloadToggle(2:end) = unloadToggle(1:end-1);
if InBetween
lineSpaceEn =true;
if lineSpaceAverageIn == 1
unloadingDelayedOut = true;
InBetween = false;
lineSpaceLoad= true;
lineSpaceEn =false;
if UnloadingPaddingRunCount == 0
Unloading = false;
UnloadingDelayed = false;
InterFrameReset = true;
lineSpaceLoad = false;
lineSpaceEn =true;
unloadToggle(:) = 0;
else
lineSpaceLoad = false;
lineSpaceEn =true;
UnloadingPaddingRunCount(:) = UnloadingPaddingRunCount -1;
unloadhStartOut = true;
unloadToggle(1) = false;
LineMask(:) = bitsll(LineMask,1);
InterFrameReset = false;
lineSpaceLoad = false;
lineSpaceEn =true;
end
else
lineSpaceLoad = false;
lineSpaceEn =true;
end
else
lineSpaceEn = false;
unloadingDelayedOut = false;
end
lineMaskOut = LineMask;
enableDataCacheOut = true;
loadTo(:) = LOADTO;
popFIFO(:) = 0;
pushFIFO(:) = 0;
if ~InBetween
pushFIFO = bitset(pushFIFO,1,1);
for ii = 2:1:KERNELHEIGHT
% if ii<= loadTo
popFIFO = bitset(popFIFO,ii-1,1);
pushFIFO = bitset(pushFIFO,ii,1);
% end
end
if UnloadingPaddingRunCount == 0 && (~InBetween)
popFIFO = bitset(popFIFO,LOADTO);
end
end
if unloadhEndOut &&~unloadhStartOut
InBetween = true;
lineSpaceLoad = false;
% lineSpaceEn = true;
elseif lineSpaceAverageIn == 2
lineSpaceLoad = true;
else
lineSpaceLoad = false;
end
unloadValidOut = ~InBetween;
% validOut = ~InBetween;
else
lineSpaceLoad = false;
lineSpaceEn = false;
end
if validIn && vEndIn
InBetween = true;
lineSpaceLoad = true;
LineMask(:) = bitset(LineMask,1,0);
for ii = 2:1:LOADTO
LineMask(:) = bitset(LineMask,ii,1);
end
unloadhStartOut = false;
end
UnloadingOut = Unloading;
% if InterFrameReset && ~Initialize
% resetFIFOREG = true;
% else
% resetFIFOREG = false;
% end
if Initialize == true
if InitialCount<INITCOUNT
resetFIFOREG = false;
pushFIFO(:) = MAXVAL;
popFIFO(:) = 0;
InitialCount(:) = InitialCount +1;
else
resetFIFOREG = true;
pushFIFO(:) = 0;
popFIFO(:) = 0;
end
elseif InterFrameReset
resetFIFOREG = true;
Unloading = false;
enableDataCacheOut = true;
else
resetFIFOREG = false;
end
% if vEndFlag
% Initialize = true;
% Unloading = true;
% removeThis(:) = 0;
% end
% if Initialize
% popFIFO(:) = (2^(LOADTO)+1)-1;
% pushFIFO(:) = 0;
% end
if validIn
FIFOPopREG = bitor(upperPopTemp,upperPopREG);
end
upperPop(:) = upperPopREG||upperPopTemp;
upperPopREG(:) = upperPopTemp;
for ii = 1:1:HALFHEIGHT
if bitget(FIFOPopREG,ii)
popFIFO = bitset(popFIFO,ii+HALFHEIGHT);
pushFIFO = bitset(pushFIFO, ii + HALFHEIGHT+1);
end
end
InitializeFlag = Initialize;
delayedVStartOut = DelayedVStart;
validOut = validIn;
loadingFlag = Loading;
resetFIFO = resetFIFOREG;
loadCount = LoadingPaddingRunCount;