diff options
| author | reinelt <> | 2003-09-29 06:12:56 +0000 |
|---|---|---|
| committer | reinelt <> | 2003-09-29 06:12:56 +0000 |
| commit | 0023926a82ccc300f2fdbc01c91244cc3180d261 (patch) | |
| tree | 23d854c1497a3960b1356b02439c330cafca502d /HD44780.c | |
| parent | 56f2f2dfee6fc256628f2222a4f4335e2e2b1579 (diff) | |
| download | lcd4linux-0023926a82ccc300f2fdbc01c91244cc3180d261.tar.gz | |
[lcd4linux @ 2003-09-29 06:12:56 by reinelt]
changed default HD44780 wiring: unused signals are GND
Diffstat (limited to 'HD44780.c')
| -rw-r--r-- | HD44780.c | 15 |
1 files changed, 9 insertions, 6 deletions
@@ -1,4 +1,4 @@ -/* $Id: HD44780.c,v 1.42 2003/09/21 06:43:02 reinelt Exp $ +/* $Id: HD44780.c,v 1.43 2003/09/29 06:12:56 reinelt Exp $ * * driver for display modules based on the HD44780 chip * @@ -27,11 +27,14 @@ * * * $Log: HD44780.c,v $ + * Revision 1.43 2003/09/29 06:12:56 reinelt + * changed default HD44780 wiring: unused signals are GND + * * Revision 1.42 2003/09/21 06:43:02 reinelt * * * MatrixOrbital: bidirectional communication - * HD44780: special handling for 16x1 displays (thanks to anonymous bug report on sf.net) + * HD44780: special handling for 16x1 displays (thanks to Maciej Witkowiak) * * Revision 1.41 2003/09/13 06:20:39 reinelt * HD44780 timings changed; deactivated libtool @@ -485,15 +488,15 @@ int HD_init (LCD *Self) if (Bits==8) { if ((SIGNAL_RS = parport_wire_ctrl ("RS", "AUTOFD"))==0xff) return -1; - if ((SIGNAL_RW = parport_wire_ctrl ("RW", "GND") )==0xff) return -1; + if ((SIGNAL_RW = parport_wire_ctrl ("RW", "GND" ))==0xff) return -1; if ((SIGNAL_ENABLE = parport_wire_ctrl ("ENABLE", "STROBE"))==0xff) return -1; - if ((SIGNAL_ENABLE2 = parport_wire_ctrl ("ENABLE2", "SELECT"))==0xff) return -1; - if ((SIGNAL_GPO = parport_wire_ctrl ("GPO", "INIT") )==0xff) return -1; + if ((SIGNAL_ENABLE2 = parport_wire_ctrl ("ENABLE2", "GND" ))==0xff) return -1; + if ((SIGNAL_GPO = parport_wire_ctrl ("GPO", "GND" ))==0xff) return -1; } else { if ((SIGNAL_RS = parport_wire_data ("RS", "DB4"))==0xff) return -1; if ((SIGNAL_RW = parport_wire_data ("RW", "DB5"))==0xff) return -1; if ((SIGNAL_ENABLE = parport_wire_data ("ENABLE", "DB6"))==0xff) return -1; - if ((SIGNAL_ENABLE2 = parport_wire_data ("ENABLE2", "DB7"))==0xff) return -1; + if ((SIGNAL_ENABLE2 = parport_wire_data ("ENABLE2", "GND"))==0xff) return -1; if ((SIGNAL_GPO = parport_wire_data ("GPO", "GND"))==0xff) return -1; } |