Signed-off-by: 吴文峰 <kevin@lmve.net>

code/firmware-2.7.15.567b8ea/src/SPILock.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include "../concurrency/LockGuard.h"
+
+/**
+ * Used to provide mutual exclusion for access to the SPI bus.  Usage:
+ * concurrency::LockGuard g(spiLock);
+ */
+extern concurrency::Lock *spiLock;
+
+/** Setup SPI access and create the spiLock lock. */
+void initSPI();