diff options
Diffstat (limited to 'MatrixOrbital.c')
| -rw-r--r-- | MatrixOrbital.c | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/MatrixOrbital.c b/MatrixOrbital.c index cb23d92..b2ae3e7 100644 --- a/MatrixOrbital.c +++ b/MatrixOrbital.c @@ -1,4 +1,4 @@ -/* $Id: MatrixOrbital.c,v 1.20 2001/02/13 09:00:13 reinelt Exp $ +/* $Id: MatrixOrbital.c,v 1.21 2001/02/14 07:40:16 reinelt Exp $ * * driver for Matrix Orbital serial display modules * @@ -20,6 +20,10 @@ * * * $Log: MatrixOrbital.c,v $ + * Revision 1.21 2001/02/14 07:40:16 reinelt + * + * first (incomplete) GPO implementation + * * Revision 1.20 2001/02/13 09:00:13 reinelt * * prepared framework for GPO's (general purpose outputs) @@ -157,6 +161,7 @@ static int Device=-1; static char Txt[4][40]; static BAR Bar[4][40]; +static int GPO; static int nSegment=2; static SEGMENT Segment[128] = {{ len1:0, len2:0, type:255, used:0, ascii:32 }, @@ -397,7 +402,9 @@ int MO_clear (void) Bar[row][col].segment=-1; } } - MO_write ("\014", 1); + MO_write ("\014", 1); // Clear Screen + MO_write ("\376V", 2); // GPO off + GPO=0; return 0; } @@ -453,7 +460,6 @@ int MO_init (LCD *Self) MO_write ("\376T", 2); // blink off MO_write ("\376D", 2); // line wrapping off MO_write ("\376R", 2); // auto scroll off - MO_write ("\376V", 2); // GPO off return 0; } @@ -542,6 +548,14 @@ int MO_bar (int type, int row, int col, int max, int len1, int len2) int MO_gpo (int num, int val) { + if (num>=Lcd.gpos) + return -1; + + if (val) { + GPO |= 1<<num; // set bit + } else { + GPO &= ~(1<<num); // clear bit + } return 0; } @@ -578,6 +592,13 @@ int MO_flush (void) MO_write (buffer, p-buffer); } } + + if (GPO & 1) { + MO_write ("\376W", 2); // GPO on + } else { + MO_write ("\376V", 2); // GPO off + } + return 0; } @@ -590,10 +611,10 @@ int MO_quit (void) } LCD MatrixOrbital[] = { - { "LCD0821",2, 8,XRES,YRES,BARS,0,MO_init,MO_clear,MO_put,MO_bar,MO_gpo,MO_flush,MO_quit }, - { "LCD1621",2,16,XRES,YRES,BARS,0,MO_init,MO_clear,MO_put,MO_bar,MO_gpo,MO_flush,MO_quit }, - { "LCD2021",2,20,XRES,YRES,BARS,0,MO_init,MO_clear,MO_put,MO_bar,MO_gpo,MO_flush,MO_quit }, - { "LCD2041",4,20,XRES,YRES,BARS,0,MO_init,MO_clear,MO_put,MO_bar,MO_gpo,MO_flush,MO_quit }, - { "LCD4021",2,40,XRES,YRES,BARS,0,MO_init,MO_clear,MO_put,MO_bar,MO_gpo,MO_flush,MO_quit }, + { "LCD0821",2, 8,XRES,YRES,BARS,1,MO_init,MO_clear,MO_put,MO_bar,MO_gpo,MO_flush,MO_quit }, + { "LCD1621",2,16,XRES,YRES,BARS,1,MO_init,MO_clear,MO_put,MO_bar,MO_gpo,MO_flush,MO_quit }, + { "LCD2021",2,20,XRES,YRES,BARS,1,MO_init,MO_clear,MO_put,MO_bar,MO_gpo,MO_flush,MO_quit }, + { "LCD2041",4,20,XRES,YRES,BARS,1,MO_init,MO_clear,MO_put,MO_bar,MO_gpo,MO_flush,MO_quit }, + { "LCD4021",2,40,XRES,YRES,BARS,1,MO_init,MO_clear,MO_put,MO_bar,MO_gpo,MO_flush,MO_quit }, { NULL } }; |