Diff: lcd2s.cpp

Revision:

1:429b7d3f7b95

Parent:

0:cea36bae632b

Child:

2:fe0c1e27f362

--- a/lcd2s.cpp	Sat Aug 01 05:16:38 2015 +0000
+++ b/lcd2s.cpp	Tue Aug 04 18:54:37 2015 +1000
@@ -1,1 +1,69 @@
-//New File
\ No newline at end of file
+/**
+ * File:      lcd2s.cpp
+ * 
+ * Author:    Modtronix Engineering - www.modtronix.com
+ * 
+ * Description:
+ * 
+ * Software License Agreement:
+ * This software has been written or modified by Modtronix Engineering. The code
+ * may be modified and can be used free of charge for commercial and non commercial
+ * applications. If this is modified software, any license conditions from original
+ * software also apply. Any redistribution must include reference to 'Modtronix
+ * Engineering' and web link(www.modtronix.com) in the file header. 
+ * 
+ * THIS SOFTWARE IS PROVIDED IN AN 'AS IS' CONDITION. NO WARRANTIES, WHETHER EXPRESS,
+ * IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE
+ * COMPANY SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ */ 
+#include "mbed.h"
+#include "lcd2s.h"
+
+// DEFINES ////////////////////////////////////////////////////////////////////
+
+
+// GLOBAL VARIABLES ///////////////////////////////////////////////////////////
+#if (LCD2S_USE_MALLOC == 0)
+uint8_t buf[80];
+uint32_t dirtyRows[4];
+#endif
+
+// Function Prototypes ////////////////////////////////////////////////////////
+
+
+LCD2S::LCD2S(uint8_t rows/* = 4*/, uint8_t columns/* = 20*/) {
+    contrast = 200;
+    brightness = 200;
+    this->rows = rows;
+    this->columns = columns;
+    bufSize = rows * columns;
+    cursor_row = cursor_col = 0;
+
+#if (LCD2S_USE_MALLOC == 1)
+    buf = new uint8_t[bufSize)];
+    dirtyRows = new uint32_t(rows);
+#endif
+
+    pBuf = buf;
+    pDirtyRows = dirtyRows;
+    memset(pBuf, ' ', sizeof(buf));
+    memset(pDirtyRows, 0, 4 * rows);
+}
+
+void LCD2S::clearDisplay() {
+    memset(pBuf, ' ', sizeof(buf));
+    memset(pDirtyRows, 0xff, 4 * rows);
+}
+
+void LCD2S::setCursor(int8_t row, int8_t col) {
+    cursor_row = row-1;
+    if(cursor_row > rows)
+        cursor_row = rows-1;
+
+    cursor_col = col-1;
+    if(cursor_col > columns)
+        cursor_col = columns-1;
+};
+