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Bug fix: arbLost should be asserted when bitState =/= s_bit_idle (#49)

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solomatnikov 2018-02-23 12:09:18 -08:00 committed by GitHub
parent 462976a070
commit 3dee152775
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1 changed files with 1 additions and 1 deletions
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src/main/scala/devices/i2c/I2C.scala
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@ -202,7 +202,7 @@ trait HasI2CModuleContents extends MultiIOModule with HasRegMap {
s_bit_wr_a :: s_bit_wr_b :: s_bit_wr_c :: s_bit_wr_d :: Nil) = Enum(UInt(), 18)
val bitState = Reg(init = s_bit_idle)
val arbLost = Reg(init = false.B, next = (sdaChk && !sSDA && sdaOen) | ((bitState === s_bit_idle) && stopCond && !bitCmdStop))
val arbLost = Reg(init = false.B, next = (sdaChk && !sSDA && sdaOen) | ((bitState =/= s_bit_idle) && stopCond && !bitCmdStop))
// bit FSM
when (arbLost) {