Portable and maintable HD44780 driver files.

2000-02-21 11:24:09 +00:00
parent 6cefefd52c
commit e481f1311e
12 changed files with 978 additions and 0 deletions
@@ -0,0 +1,53 @@
+/*
+ * Low-level driver types, headers and names.
+ *
+ * To add support for a new driver in this file:
+ *  1. include your header file
+ *  2. Add a new connectionType
+ *  3. Add an entry in the connectionMapping structure
+ */
+
+#ifndef HD44780_DRIVERS_H
+#define HD44780_DRIVERS_H
+
+// hd44780 specific header files
+#include "hd44780-4bit.h"
+#include "hd44780-ext8bit.h"
+#include "hd44780-serialLpt.h"
+#include "hd44780-winamp.h"
+// add new connection type header files here
+
+enum connectionType { HD_4bit, HD_8bit, HD_serialLpt, HD_winamp,
+		      // add new connection types here
+
+		      HD_unknown };
+
+static struct ConnectionMapping
+{
+  enum connectionType type;
+  char *connectionTypeStr;
+  int (*init_fn)(HD44780_functions *hd44780_functions,
+		 lcd_logical_driver *driver, 
+		 char *args, 
+		 unsigned int port);
+  const char *helpMsg;
+} connectionMapping[] = {
+    // connectionType enumerator
+			// string to identify connection on command line
+					// your initialisation function
+    // help string for your particular connection
+  { HD_4bit,		"4bit",		hd_init_4bit, 
+    "\t-e\t--extended\tEnable three or more displays\n" },
+  { HD_8bit,		"8bit",		hd_init_ext8bit, 
+    "\tnone\n" },
+  { HD_serialLpt,	"serialLpt",	hd_init_serialLpt, 
+    "\tnone\n" },
+  { HD_winamp,		"winamp",	hd_init_winamp, 
+    "\t-e\t--extended\tEnable three or more displays\n" },
+  // add new connection types and their string specifier here
+
+  // default, end of structure element (do not delete)
+  { HD_unknown,		"",		NULL,	"" }
+};
+
+#endif