Re: HD44780 serial driver

Hi!

>> I made a patch for the HD44780 serial driver, because LoS-Panel's 
>> keypad function did not work properly.
>> A `diff` against the original hd44780-serial.c from lcdproc 0.5.4:
>> ...

>    1. Use unified diff format (diff -u)
>    2. Attach the result as a file to your mail, not within the text part
>       of your message.
> 

OK, here it comes (again, because of the wrong recipient)

Greetz
Matthias




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--- hd44780-serial.c.old	2011-10-02 18:48:36.000000000 +0200
+++ hd44780-serial.c	2011-10-02 18:49:05.000000000 +0200
@@ -312,13 +312,20 @@
 {
 
 	unsigned char buffer = 0;
+	unsigned char i,retval;
 	char hangcheck = 100;
 	read(p->fd, &buffer, 1);
-	if (buffer == SERIAL_IF.keypad_escape) {
+	if (buffer == (SERIAL_IF.keypad_escape & 0xFF)) {
 		while (hangcheck > 0) {
 			/* Check if I can read another byte */
 			if (read(p->fd, &buffer, 1) == 1) {
-				return buffer;
+				for ( i=3 ; i>=0 ; i-- ) {
+					if (( buffer % ( 1<<i )) == 0 ) {
+					retval = ((i<<4) + (buffer>>4))+0x11;
+					break;
+					}
+				}
+				return retval;
 			}
 			hangcheck--;
 		}