From: solomatnikov <solomatnikov@users.noreply.github.com>
Date: Fri, 23 Feb 2018 20:09:18 +0000 (-0800)
Subject: Bug fix: arbLost should be asserted when bitState =/= s_bit_idle (#49)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3dee15277598e45d7ac9d435f0365989c6d00f7e;p=sifive-blocks.git

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

diff --git a/src/main/scala/devices/i2c/I2C.scala b/src/main/scala/devices/i2c/I2C.scala
index be7ff4a..b3e2db5 100644
--- a/src/main/scala/devices/i2c/I2C.scala
+++ b/src/main/scala/devices/i2c/I2C.scala
@@ -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) {