Merge TinyOS 2.1.1 into master.

[tinyos-2.x.git] / tos / lib / net / Deluge / extra / m16c62p / InternalFlashP.nc

diff --git a/tos/lib/net/Deluge/extra/m16c62p/InternalFlashP.nc b/tos/lib/net/Deluge/extra/m16c62p/InternalFlashP.nc
new file mode 100644 (file)
index 0000000..5c73e54
--- /dev/null
+++ b/tos/lib/net/Deluge/extra/m16c62p/InternalFlashP.nc
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2009 Communication Group and Eislab at
+ * Lulea University of Technology
+ *
+ * Contact: Laurynas Riliskis, LTU
+ * Mail: laurynas.riliskis@ltu.se
+ * All rights reserved.
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the
+ *   distribution.
+ * - Neither the name of Communication Group at Lulea University of Technology
+ *   nor the names of its contributors may be used to endorse or promote
+ *    products derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL STANFORD
+ * UNIVERSITY OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "M16c62pFlash.h"
+
+/**
+ * Implementation of the InternalFlash interface for the
+ * M16c/62p mcu. Currently flash block 5 is used for the
+ * internal flash and is hard coded.
+ *
+ * @author Henrik Makitaavola <henrik.makitaavola@gmail.com>
+ */
+// TODO(henrik) Fix the hard coded value of the flash block.
+module InternalFlashP {
+  provides interface InternalFlash;
+  
+  uses interface HplM16c62pFlash as Flash;
+}
+
+implementation {
+
+#define INTERNAL_ADDRESS 0xF0000L 
+#define INTERNAL_BLOCK BLOCK_5
+
+  command error_t InternalFlash.write(void* addr, void* buf, uint16_t size) {
+    // TODO(henrik) Make this more sain by making use of the whole block before
+    // erasing the whole block.
+    if (call Flash.FlashErase(INTERNAL_BLOCK) != 0)
+    {
+      return FAIL;
+    }
+    if (call Flash.FlashWrite(INTERNAL_ADDRESS, (unsigned int*)buf, size) != 0)
+    {
+      return FAIL;
+    }
+    return SUCCESS;
+  }
+
+  command error_t InternalFlash.read(void* addr, void* buf, uint16_t size) {
+    unsigned long address = INTERNAL_ADDRESS;
+    uint16_t i;
+    uint8_t* buffer = (uint8_t*)buf;
+
+    for (i = 0; i < size; ++i, ++address)
+    {
+      buffer[i] = call Flash.FlashRead(address);
+    }
+    return SUCCESS;
+  }
+}