#441

firmware/config/stm32f4ems/chconf.h

@@ -365,6 +365,11 @@ extern "C"
  */
 #define CH_DBG_SYSTEM_STATE_CHECK           TRUE
 
+/**
+ * micro-optimization: use same (lower-level) api for lock/unlock regardless on context
+ * this saves us one branching
+ */
+#define USE_PORT_LOCK FALSE
 
 /**
  * @brief   Debug option, parameters checks.

firmware/console/console_io.cpp

@@ -285,6 +285,9 @@ bool lockAnyContext(void) {
 	int alreadyLocked = isLocked();
 	if (alreadyLocked)
 		return true;
+#if USE_PORT_LOCK
+	port_lock();
+#else
 	if (isIsrContext()) {
 		chSysLockFromISR()
 		;
@@ -292,6 +295,7 @@ bool lockAnyContext(void) {
 		chSysLock()
 		;
 	}
+#endif
 	return false;
 }
 

simulator/chconf.h

@@ -338,6 +338,8 @@
  */
 #define CH_DBG_SYSTEM_STATE_CHECK           FALSE
 
+#define USE_PORT_LOCK TRUE
+
 /**
  * @brief   Debug option, parameters checks.
  * @details If enabled then the checks on the API functions input