bowen liu / Mbed OS mbed-os-example-blinky

ex

Fork of mbed-os-example-mbed5-blinky by mbed-os-examples

Diff: DuerOS-Light-SDK-v1.1.0/duer-os-light/src/iot-baidu-ota/shared_buffer.h

Revision:
47:9e361da97763
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DuerOS-Light-SDK-v1.1.0/duer-os-light/src/iot-baidu-ota/shared_buffer.h	Tue Jul 18 16:54:45 2017 +0800
@@ -0,0 +1,19 @@
+#pragma once
+#include "rtos.h"
+
+class SharedBuffer
+{
+public:
+    SharedBuffer(unsigned int size);
+    ~SharedBuffer();
+    unsigned int read(unsigned char out[], unsigned int size);
+    unsigned int write(const unsigned char in[], unsigned int size);
+    void wait();
+private:
+	  unsigned int m_nBufferSize;
+    unsigned int m_nWriteOffset;
+    unsigned int m_nDataSize;
+    unsigned char *m_pBuffer;
+    rtos::Semaphore sem_Read;
+    rtos::Semaphore sem_Write;
+};