Compile errors for RP2040

Author: pschatzmann

src/AudioConfig.h

@@ -237,6 +237,8 @@ typedef uint32_t eps32_i2s_sample_rate_type;
 #define SOFT_MUTE_VALUE LOW  
 #define PIN_CS PIN_SPI0_SS
 
+// fix missing __sync_synchronize symbol
+#define FIX_SYNC_SYNCHRONIZE
 #define IRAM_ATTR
 
 #endif

src/AudioTools/AudioRuntime.cpp

@@ -0,0 +1,18 @@
+/**
+ * @file AudioRuntime.cpp
+ * @author Phil Schatzmann
+ * @brief Some platform specific exceptional things which can't be implemented in a header
+ * @version 0.1
+ * @date 2022-02-01
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+#include "AudioConfig.h"
+#include "AudioTools/AudioLogger.h"
+
+#if defined(ARDUINO_ARCH_RP2040) && defined(FIX_SYNC_SYNCHRONIZE)
+extern "C" void __sync_synchronize(){
+    LOGE("__sync_synchronize not implemented")
+}
+#endif

src/AudioTools/AudioRuntime.h

@@ -7,7 +7,7 @@
 
 
 /// stops any further processing by spinning in an endless loop
-void stop() {
+inline void stop() {
   #ifdef EXIT_ON_STOP
     exit(0);
   #else
@@ -23,4 +23,6 @@ inline static void checkMemory(bool stackCheck=false) {
         assert(heap_caps_check_integrity_all(true)); 
         if (stackCheck) printf("stack available: %d \n'", uxTaskGetStackHighWaterMark(NULL));
     #endif    
-}
+}
+
+