bug:滤波需要顺序打拍,防止边界上跳变
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@@ -83,8 +83,9 @@ trait CDRInMultiSample{ this: CDRInBase =>
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for( i <- 0 until 16 ) yield {
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for( i <- 0 until 16 ) yield {
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sampleReg(i)
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sampleReg(i)
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}
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}
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} else if (true){ //5选3 多数投票 滤波
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} else if (false){ //5选3 多数投票 滤波
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for( i <- 0 until 16 ) yield {
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for( i <- 0 until 16 ) yield {
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withClockAndReset(multiCLK((i+3)%16).asClock, reset.asBool){ RegNext(
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(sampleReg((i-2+16)%16) & sampleReg((i-1+16)%16) & sampleReg((i+0)%16)) |
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(sampleReg((i-2+16)%16) & sampleReg((i-1+16)%16) & sampleReg((i+0)%16)) |
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(sampleReg((i-2+16)%16) & sampleReg((i-1+16)%16) & sampleReg((i+1)%16)) |
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(sampleReg((i-2+16)%16) & sampleReg((i-1+16)%16) & sampleReg((i+1)%16)) |
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(sampleReg((i-2+16)%16) & sampleReg((i-1+16)%16) & sampleReg((i+2)%16)) |
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(sampleReg((i-2+16)%16) & sampleReg((i-1+16)%16) & sampleReg((i+2)%16)) |
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@@ -95,12 +96,15 @@ trait CDRInMultiSample{ this: CDRInBase =>
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(sampleReg((i-1+16)%16) & sampleReg((i+0)%16) & sampleReg((i+2)%16)) |
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(sampleReg((i-1+16)%16) & sampleReg((i+0)%16) & sampleReg((i+2)%16)) |
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(sampleReg((i-1+16)%16) & sampleReg((i+1)%16) & sampleReg((i+2)%16)) |
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(sampleReg((i-1+16)%16) & sampleReg((i+1)%16) & sampleReg((i+2)%16)) |
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(sampleReg((i-0)%16) & sampleReg((i+1)%16) & sampleReg((i+2)%16))
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(sampleReg((i-0)%16) & sampleReg((i+1)%16) & sampleReg((i+2)%16))
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)}
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}
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}
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} else { //3选2 多数投票 滤波
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} else { //3选2 多数投票 滤波
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for( i <- 0 until 16 ) yield {
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for( i <- 0 until 16 ) yield {
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withClockAndReset(multiCLK((i+2)%16).asClock, reset.asBool){ RegNext(
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(sampleReg((i-1+16)%16) & sampleReg((i+0)%16)) |
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(sampleReg((i-1+16)%16) & sampleReg((i+0)%16)) |
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(sampleReg((i-1+16)%16) & sampleReg((i+1)%16)) |
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(sampleReg((i-1+16)%16) & sampleReg((i+1)%16)) |
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(sampleReg((i+0)%16) & sampleReg((i+1)%16))
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(sampleReg((i+0)%16) & sampleReg((i+1)%16))
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)}
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}
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}
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}
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}
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@@ -246,3 +250,4 @@ with CDRInOverSample
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class MPCDRIn extends CDRInBase
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class MPCDRIn extends CDRInBase
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with CDRInAxis
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with CDRInAxis
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with CDRInMultiSample
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with CDRInMultiSample
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