Diff: TSH.h

Revision:

0:42026f893a2d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TSH.h	Fri Jun 15 20:40:17 2012 +0000
@@ -0,0 +1,62 @@
+#ifndef TSH_H
+#define TSH_H
+
+#include "rtos.h"
+
+//Thread Safe Hardware
+
+class TSI2C : public I2C {
+public:
+
+    TSI2C( PinName sda,
+           PinName scl,
+           const char* name=NULL )
+            : I2C(sda, scl, name) { }
+
+
+    int read( int address,
+              char* data,
+              int    length,
+              bool repeated = false ) {
+
+        rlock.lock();
+        int retval = I2C::read(address, data, length, repeated);
+        rlock.unlock();
+
+        return retval;
+    }
+
+    int read(int ack) {
+        rlock.lock();
+        int retval = I2C::read(ack);
+        rlock.unlock();
+
+        return retval;
+    }
+
+    int write( int address,
+               const char*    data,
+               int length,
+               bool repeated = false ) {
+
+        wlock.lock();
+        int retval = I2C::write(address, data, length, repeated);
+        wlock.unlock();
+
+        return retval;
+    }
+
+    int write(int data) {
+        wlock.lock();
+        int retval = I2C::write(data);
+        wlock.unlock();
+
+        return retval;
+    }
+
+private:
+    Mutex rlock;
+    Mutex wlock;
+};
+
+#endif
\ No newline at end of file