Diff: Picaso_4DGL-32PTU_File.cpp

Revision:

20:88e137b9ea46

Child:

21:ea68a8a3cea4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Picaso_4DGL-32PTU_File.cpp	Mon Sep 26 10:51:02 2016 +0000
@@ -0,0 +1,45 @@
+//
+//  Picaso_4DGL-32PTU is a class to drive 4D Systems TFT touch screens with PICASO processor
+//  Tested with NUCLEO L152RE development board
+//  Copyright (C) <2016> Rihards Balass <rihards.balass@gmail.com>
+//
+// Picaso_4DGL-32PTU is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Picaso_4DGL-32PTU is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You can see GNU General Public License at <http://www.gnu.org/licenses/>.
+//
+
+#include "mbed.h"
+#include "Picaso_4DGL-32PTU.h"
+
+//**************************************************************************
+// Starts up the FAT16 disk file services and allocates a small 32 byte control block
+// for subsequent use. When you open a file using the “File Open” command
+// further 512 + 44 = 556 bytes are attached to the FAT16 file control block.
+// When you close a file using the “File Close” command, the 556 byte allocation
+// is released leaving the 32 byte file control block.
+// The File Mount command must be called before any other FAT16 file related
+// functions can be used. The control block and all FAT16 file resources are
+// completely released with the “File Unmount” command.
+//**************************************************************************
+bool PICASO_4DGL :: file_Mount() {
+
+    char command[2] = "";
+    
+    command[0] = (FILE_MOUNT >> (8*1)) & 0xff;
+    command[1] = (FILE_MOUNT >> (8*0)) & 0xff;
+    
+    writeCOMMAND(command, 2);
+    bool success = fileMountResponse();
+#ifdef DEBUGMODE
+    pc.printf("\n\r DEBUG: FAT16 Mount: %s\n\r", success ? "true" : "false");
+#endif
+    return success;
+}