From 42fbc61ad0f0f9d165c19a0e8aa33b9d5f7f303b Mon Sep 17 00:00:00 2001
From: reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>
Date: Fri, 19 Mar 2004 09:17:46 +0000
Subject: [lcd4linux @ 2004-03-19 09:17:46 by reinelt] removed the extra 'goto'
 function, row and col are additional parameters of the write() function now.

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@404 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
---
 drv_M50530.c | 34 ++++++++++++++++++++--------------
 1 file changed, 20 insertions(+), 14 deletions(-)

(limited to 'drv_M50530.c')

diff --git a/drv_M50530.c b/drv_M50530.c
index 7361855..929e527 100644
--- a/drv_M50530.c
+++ b/drv_M50530.c
@@ -1,4 +1,4 @@
-/* $Id: drv_M50530.c,v 1.2 2004/02/15 21:43:43 reinelt Exp $
+/* $Id: drv_M50530.c,v 1.3 2004/03/19 09:17:46 reinelt Exp $
  *
  * new style driver for M50530-based displays
  *
@@ -23,6 +23,11 @@
  *
  *
  * $Log: drv_M50530.c,v $
+ * Revision 1.3  2004/03/19 09:17:46  reinelt
+ *
+ * removed the extra 'goto' function, row and col are additional parameters
+ * of the write() function now.
+ *
  * Revision 1.2  2004/02/15 21:43:43  reinelt
  * T6963 driver nearly finished
  * framework for graphic displays done
@@ -122,31 +127,33 @@ static void drv_M5_command (unsigned int cmd, int delay)
 }
 
 
-static void drv_M5_write (unsigned char *string, int len)
+static void drv_M5_write (int row, int col, unsigned char *data, int len)
 {
   unsigned int cmd;
-
+  unsigned int pos;
+  
+  pos=row*48+col;
+  if (row>3) pos-=168;
+  drv_M5_command (0x300|pos, 20);
+  
   while (len--) {
-    cmd=*string++;
+    cmd=*data++;
     drv_M5_command (0x100|cmd, 20);
   }
 }
 
 
-static void drv_M5_goto (int row, int col)
-{
-  int pos=row*48+col;
-  if (row>3) pos-=168;
-  drv_M5_command (0x300|pos, 20);
-}
-
-
 static void drv_M5_defchar (int ascii, unsigned char *buffer)
 {
+  int i;
+  
   drv_M5_command (0x300+192+8*(ascii-CHAR0), 20);
+
   // Fixme: looks like the M50530 cannot control the bottom line
   // therefore we have only 7 bytes here
-  drv_M5_write (buffer, 7);
+  for (i=0; i<7; i++) {
+    drv_M5_command (0x100|buffer[i], 20);
+  }
 }
 
 
@@ -283,7 +290,6 @@ int drv_M5_init (char *section)
   
   // real worker functions
   drv_generic_text_real_write   = drv_M5_write;
-  drv_generic_text_real_goto    = drv_M5_goto;
   drv_generic_text_real_defchar = drv_M5_defchar;
 
 
-- 
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