[sca] Slice timeout with sleeps for busy clear

kostorr · kostorr · commit d06114d0a1b7 · 2022-06-13T17:16:49.000+02:00
diff --git a/src/Sca.cxx b/src/Sca.cxx
@@ -208,11 +208,13 @@ void Sca::execute()
 
 void Sca::waitOnBusyClear()
 {
-  auto endTime = std::chrono::steady_clock::now() + BUSY_TIMEOUT;
-  while (std::chrono::steady_clock::now() < endTime) {
+  int count = 10;
+  auto sleepSlice = BUSY_TIMEOUT / count;
+  while (count--) {
     if ((((barRead(sc_regs::SCA_RD_CTRL.index)) >> 31) & 0x1) == 0) {
       return;
     }
+    std::this_thread::sleep_for(sleepSlice);
   }
 
   BOOST_THROW_EXCEPTION(ScaException()

Original file line number	Diff line number	Diff line change
`@@ -208,11 +208,13 @@ void Sca::execute()`
`208`	`208`
`209`	`209`	`void Sca::waitOnBusyClear()`
`210`	`210`	`{`
`211`		`- auto endTime = std::chrono::steady_clock::now() + BUSY_TIMEOUT;`
`212`		`- while (std::chrono::steady_clock::now() < endTime) {`
	`211`	`+ int count = 10;`
	`212`	`+ auto sleepSlice = BUSY_TIMEOUT / count;`
	`213`	`+ while (count--) {`
`213`	`214`	`if ((((barRead(sc_regs::SCA_RD_CTRL.index)) >> 31) & 0x1) == 0) {`
`214`	`215`	`return;`
`215`	`216`	`}`
	`217`	`+ std::this_thread::sleep_for(sleepSlice);`
`216`	`218`	`}`
`217`	`219`
`218`	`220`	`BOOST_THROW_EXCEPTION(ScaException()`