CARPLAY版本整理

MXC_A27-PCB4.5-270T/FreeRTOS-Plus/FreeRTOS-FAT/ff_memory.c

@@ -0,0 +1,117 @@
+/*
+ * FreeRTOS+FAT V2.3.3
+ * Copyright (C) 2021 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ *	@file		ff_memory.c
+ *	@ingroup	MEMORY
+ *
+ *	@defgroup	MEMORY	FreeRTOS+FAT Memory Access Routines
+ *	@brief		Handles memory access in a portable way.
+ *
+ *	Provides simple, fast, and portable access to memory routines.
+ *	These are only used to read data from buffers. That are LITTLE ENDIAN
+ *	due to the FAT specification.
+ *
+ *	These routines may need to be modified to your platform.
+ *
+ **/
+
+#include "ff_headers.h"
+
+/*
+ * Here below 3 x 2 access functions that allow the code
+ * not to worry about the endianness of the MCU.
+ */
+
+
+#if ( ffconfigINLINE_MEMORY_ACCESS == 0 )
+
+    uint8_t FF_getChar( const uint8_t * pBuffer,
+                        uint32_t aOffset )
+    {
+        return ( uint8_t ) ( pBuffer[ aOffset ] );
+    }
+
+    uint16_t FF_getShort( const uint8_t * pBuffer,
+                          uint32_t aOffset )
+    {
+        FF_T_UN16 u16;
+
+        pBuffer += aOffset;
+        u16.bytes.u8_1 = pBuffer[ 1 ];
+        u16.bytes.u8_0 = pBuffer[ 0 ];
+
+        return u16.u16;
+    }
+
+    uint32_t FF_getLong( const uint8_t * pBuffer,
+                         uint32_t aOffset )
+    {
+        FF_T_UN32 u32;
+
+        pBuffer += aOffset;
+        u32.bytes.u8_3 = pBuffer[ 3 ];
+        u32.bytes.u8_2 = pBuffer[ 2 ];
+        u32.bytes.u8_1 = pBuffer[ 1 ];
+        u32.bytes.u8_0 = pBuffer[ 0 ];
+
+        return u32.u32;
+    }
+
+    void FF_putChar( uint8_t * pBuffer,
+                     uint32_t aOffset,
+                     uint32_t Value )
+    {
+        pBuffer[ aOffset ] = ( uint8_t ) Value;
+    }
+
+    void FF_putShort( uint8_t * pBuffer,
+                      uint32_t aOffset,
+                      uint32_t Value )
+    {
+        FF_T_UN16 u16;
+
+        u16.u16 = ( uint16_t ) Value;
+        pBuffer += aOffset;
+        pBuffer[ 0 ] = u16.bytes.u8_0;
+        pBuffer[ 1 ] = u16.bytes.u8_1;
+    }
+
+    void FF_putLong( uint8_t * pBuffer,
+                     uint32_t aOffset,
+                     uint32_t Value )
+    {
+        FF_T_UN32 u32;
+
+        u32.u32 = Value;
+        pBuffer += aOffset;
+        pBuffer[ 0 ] = u32.bytes.u8_0;
+        pBuffer[ 1 ] = u32.bytes.u8_1;
+        pBuffer[ 2 ] = u32.bytes.u8_2;
+        pBuffer[ 3 ] = u32.bytes.u8_3;
+    }
+
+#endif /* if ( ffconfigINLINE_MEMORY_ACCESS == 0 ) */