refactoring step 3 - components

squeezelite is a component
platform_esp32 is the main

components/squeezelite/embedded.h

@@ -0,0 +1,22 @@
+#ifndef EMBEDDED_H
+#define EMBEDDED_H
+
+#include <inttypes.h>
+
+#define HAS_MUTEX_CREATE_P		0
+#define HAS_PTHREAD_SETNAME_NP	1
+
+#ifndef PTHREAD_STACK_MIN
+#define PTHREAD_STACK_MIN	256
+#endif
+
+typedef int16_t   s16_t;
+typedef int32_t   s32_t;
+typedef int64_t   s64_t;
+typedef unsigned long long u64_t;
+
+#define exit(code) { int ret = code; pthread_exit(&ret); }
+
+int pthread_setname_np(pthread_t thread, const char *name);
+
+#endif // EMBEDDED_H