Add SAMA5D2 Xplained IAR demo.

[freertos] / FreeRTOS / Demo / CORTEX_A5_SAMA5D2x_Xplained_IAR / AtmelFiles / utils / mutex.h

diff --git a/FreeRTOS/Demo/CORTEX_A5_SAMA5D2x_Xplained_IAR/AtmelFiles/utils/mutex.h b/FreeRTOS/Demo/CORTEX_A5_SAMA5D2x_Xplained_IAR/AtmelFiles/utils/mutex.h
new file mode 100644 (file)
index 0000000..5cff505
--- /dev/null
+++ b/FreeRTOS/Demo/CORTEX_A5_SAMA5D2x_Xplained_IAR/AtmelFiles/utils/mutex.h
@@ -0,0 +1,43 @@
+/* ----------------------------------------------------------------------------\r
+ *         SAM Software Package License\r
+ * ----------------------------------------------------------------------------\r
+ * Copyright (c) 2015, Atmel Corporation\r
+ *\r
+ * All rights reserved.\r
+ *\r
+ * Redistribution and use in source and binary forms, with or without\r
+ * modification, are permitted provided that the following conditions are met:\r
+ *\r
+ * - Redistributions of source code must retain the above copyright notice,\r
+ * this list of conditions and the disclaimer below.\r
+ *\r
+ * Atmel's name may not be used to endorse or promote products derived from\r
+ * this software without specific prior written permission.\r
+ *\r
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR\r
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\r
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE\r
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,\r
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,\r
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF\r
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING\r
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,\r
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+ * ----------------------------------------------------------------------------\r
+ */\r
+\r
+#ifndef MUTEX_HEADER_\r
+#define MUTEX_HEADER_\r
+\r
+#include "compiler.h"\r
+\r
+/* Instances of mutex_t should be word-aligned (ALIGNED(4)) */\r
+typedef volatile int mutex_t;\r
+\r
+int mutex_try_lock(mutex_t* mutex);\r
+void mutex_free(mutex_t* mutex);\r
+void mutex_lock(mutex_t* mutex);\r
+int mutex_is_locked(const mutex_t* mutex);\r
+\r
+#endif /* MUTEX_HEADER_ */\r