-/* $Id: MatrixOrbital.c,v 1.24 2002/08/19 07:36:29 reinelt Exp $
+/* $Id: MatrixOrbital.c,v 1.25 2002/08/19 09:30:18 reinelt Exp $
*
* driver for Matrix Orbital serial display modules
*
*
*
* $Log: MatrixOrbital.c,v $
+ * Revision 1.25 2002/08/19 09:30:18 reinelt
+ * MatrixOrbital uses generic bar funnctions
+ *
* Revision 1.24 2002/08/19 07:36:29 reinelt
*
* finished bar.c, USBLCD is the first driver that uses the generic bar functions
#define XRES 5
#define YRES 8
#define CHARS 8
-#define BARS ( BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 )
static LCD Lcd;
static char *Port=NULL;
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 },
- { len1:255, len2:255, type:255, used:0, ascii:255 }};
-
static int MO_open (void)
{
return fd;
}
+
static void MO_write (char *string, int len)
{
if (Device==-1) return;
}
}
+
static int MO_contrast (void)
{
char buffer[4];
return 0;
}
-static void MO_process_bars (void)
-{
- int row, col;
- int i, j;
-
- for (i=2; i<nSegment && Segment[i].used; i++);
- for (j=i+1; j<nSegment; j++) {
- if (Segment[j].used)
- Segment[i++]=Segment[j];
- }
- nSegment=i;
-
- for (row=0; row<Lcd.rows; row++) {
- for (col=0; col<Lcd.cols; col++) {
- if (Bar[row][col].type==0) continue;
- for (i=0; i<nSegment; i++) {
- if (Segment[i].type & Bar[row][col].type &&
- Segment[i].len1== Bar[row][col].len1 &&
- Segment[i].len2== Bar[row][col].len2) break;
- }
- if (i==nSegment) {
- nSegment++;
- Segment[i].len1=Bar[row][col].len1;
- Segment[i].len2=Bar[row][col].len2;
- Segment[i].type=Bar[row][col].type;
- Segment[i].used=0;
- Segment[i].ascii=-1;
- }
- Bar[row][col].segment=i;
- }
- }
-}
-
-static int MO_segment_diff (int i, int j)
-{
- int RES;
- int i1, i2, j1, j2;
-
- if (i==j) return 65535;
- if (!(Segment[i].type & Segment[j].type)) return 65535;
- if (Segment[i].len1==0 && Segment[j].len1!=0) return 65535;
- if (Segment[i].len2==0 && Segment[j].len2!=0) return 65535;
- RES=Segment[i].type & BAR_H ? XRES:YRES;
- if (Segment[i].len1>=RES && Segment[j].len1<RES) return 65535;
- if (Segment[i].len2>=RES && Segment[j].len2<RES) return 65535;
- if (Segment[i].len1==Segment[i].len2 && Segment[j].len1!=Segment[j].len2) return 65535;
-
- i1=Segment[i].len1; if (i1>RES) i1=RES;
- i2=Segment[i].len2; if (i2>RES) i2=RES;
- j1=Segment[j].len1; if (j1>RES) i1=RES;
- j2=Segment[j].len2; if (j2>RES) i2=RES;
-
- return (i1-i2)*(i1-i2)+(j1-j2)*(j1-j2);
-}
-static void MO_compact_bars (void)
+static void MO_define_char (int ascii, char *buffer)
{
- int i, j, r, c, min;
- int pack_i, pack_j;
- int pass1=1;
- int deviation[nSegment][nSegment];
-
- if (nSegment>CHARS+2) {
+ char cmd[3]="\376N";
- for (i=2; i<nSegment; i++) {
- for (j=0; j<nSegment; j++) {
- deviation[i][j]=MO_segment_diff(i,j);
- }
- }
-
- while (nSegment>CHARS+2) {
- min=65535;
- pack_i=-1;
- pack_j=-1;
- for (i=2; i<nSegment; i++) {
- if (pass1 && Segment[i].used) continue;
- for (j=0; j<nSegment; j++) {
- if (deviation[i][j]<min) {
- min=deviation[i][j];
- pack_i=i;
- pack_j=j;
- }
- }
- }
- if (pack_i==-1) {
- if (pass1) {
- pass1=0;
- continue;
- } else {
- error ("MatrixOrbital: unable to compact bar characters");
- nSegment=CHARS;
- break;
- }
- }
-
- nSegment--;
- Segment[pack_i]=Segment[nSegment];
-
- for (i=0; i<nSegment; i++) {
- deviation[pack_i][i]=deviation[nSegment][i];
- deviation[i][pack_i]=deviation[i][nSegment];
- }
-
- for (r=0; r<Lcd.rows; r++) {
- for (c=0; c<Lcd.cols; c++) {
- if (Bar[r][c].segment==pack_i)
- Bar[r][c].segment=pack_j;
- if (Bar[r][c].segment==nSegment)
- Bar[r][c].segment=pack_i;
- }
- }
- }
- }
+ cmd[2]=(char)ascii;
+ MO_write (cmd, 3);
+ MO_write (buffer, 8);
}
-static void MO_define_chars (void)
-{
- int c, i, j;
- char buffer[12]="\376N";
-
- for (i=2; i<nSegment; i++) {
- if (Segment[i].used) continue;
- if (Segment[i].ascii!=-1) continue;
- for (c=0; c<CHARS; c++) {
- for (j=2; j<nSegment; j++) {
- if (Segment[j].ascii==c) break;
- }
- if (j==nSegment) break;
- }
- Segment[i].ascii=c;
- buffer[2]=c;
- switch (Segment[i].type) {
- case BAR_L:
- for (j=0; j<4; j++) {
- char Pixel[] = { 0, 1, 3, 7, 15, 31 };
- buffer[j+3]=Pixel[Segment[i].len1];
- buffer[j+7]=Pixel[Segment[i].len2];
- }
- break;
- case BAR_R:
- for (j=0; j<4; j++) {
- char Pixel[] = { 0, 16, 24, 28, 30, 31 };
- buffer[j+3]=Pixel[Segment[i].len1];
- buffer[j+7]=Pixel[Segment[i].len2];
- }
- break;
- case BAR_U:
- for (j=0; j<Segment[i].len1; j++) {
- buffer[10-j]=31;
- }
- for (; j<YRES; j++) {
- buffer[10-j]=0;
- }
- break;
- case BAR_D:
- for (j=0; j<Segment[i].len1; j++) {
- buffer[j+3]=31;
- }
- for (; j<YRES; j++) {
- buffer[j+3]=0;
- }
- break;
- }
- MO_write (buffer, 11);
- }
-}
int MO_clear (void)
{
for (row=0; row<Lcd.rows; row++) {
for (col=0; col<Lcd.cols; col++) {
Txt[row][col]='\t';
- Bar[row][col].len1=-1;
- Bar[row][col].len2=-1;
- Bar[row][col].type=0;
- Bar[row][col].segment=-1;
}
}
+
+ bar_clear();
+
MO_write ("\014", 1); // Clear Screen
MO_write ("\376V", 2); // GPO off
GPO=0;
return 0;
}
+
int MO_init (LCD *Self)
{
char *port;
Device=MO_open();
if (Device==-1) return -1;
+ bar_init(Lcd.rows, Lcd.cols, XRES, YRES, CHARS);
+ bar_add_segment( 0, 0,255, 32); // ASCII 32 = blank
+ bar_add_segment(255,255,255,255); // ASCII 255 = block
+
MO_clear();
MO_contrast();
return 0;
}
+
int MO_put (int row, int col, char *text)
{
char *p=&Txt[row][col];
return 0;
}
+
int MO_bar (int type, int row, int col, int max, int len1, int len2)
{
- int rev=0;
-
- if (len1<1) len1=1;
- else if (len1>max) len1=max;
-
- if (len2<1) len2=1;
- else if (len2>max) len2=max;
-
- switch (type) {
- case BAR_L:
- len1=max-len1;
- len2=max-len2;
- rev=1;
-
- case BAR_R:
- while (max>0 && col<=Lcd.cols) {
- Bar[row][col].type=type;
- Bar[row][col].segment=-1;
- if (len1>=XRES) {
- Bar[row][col].len1=rev?0:XRES;
- len1-=XRES;
- } else {
- Bar[row][col].len1=rev?XRES-len1:len1;
- len1=0;
- }
- if (len2>=XRES) {
- Bar[row][col].len2=rev?0:XRES;
- len2-=XRES;
- } else {
- Bar[row][col].len2=rev?XRES-len2:len2;
- len2=0;
- }
- max-=XRES;
- col++;
- }
- break;
-
- case BAR_U:
- len1=max-len1;
- len2=max-len2;
- rev=1;
-
- case BAR_D:
- while (max>0 && row<=Lcd.rows) {
- Bar[row][col].type=type;
- Bar[row][col].segment=-1;
- if (len1>=YRES) {
- Bar[row][col].len1=rev?0:YRES;
- len1-=YRES;
- } else {
- Bar[row][col].len1=rev?YRES-len1:len1;
- len1=0;
- }
- if (len2>=YRES) {
- Bar[row][col].len2=rev?0:YRES;
- len2-=YRES;
- } else {
- Bar[row][col].len2=rev?YRES-len2:len2;
- len2=0;
- }
- max-=YRES;
- row++;
- }
- break;
-
- }
- return 0;
+ return bar_draw (type, row, col, max, len1, len2);
}
+
int MO_gpo (int num, int val)
{
if (num>=Lcd.gpos)
return 0;
}
+
int MO_flush (void)
{
char buffer[256]="\376G";
char *p;
- int s, row, col;
+ int c, row, col;
- MO_process_bars();
- MO_compact_bars();
- MO_define_chars();
+ bar_process(MO_define_char);
- for (s=0; s<nSegment; s++) {
- Segment[s].used=0;
- }
-
for (row=0; row<Lcd.rows; row++) {
buffer[3]=row+1;
for (col=0; col<Lcd.cols; col++) {
- s=Bar[row][col].segment;
- if (s!=-1) {
- Segment[s].used=1;
- Txt[row][col]=Segment[s].ascii;
+ c=bar_peek(row, col);
+ if (c!=-1) {
+ Txt[row][col]=(char)c;
}
}
for (col=0; col<Lcd.cols; col++) {
return 0;
}
+
int MO_quit (void)
{
debug ("closing port %s", Port);
return (0);
}
+
LCD MatrixOrbital[] = {
- { "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 },
+ { name: "LCD0821",
+ rows: 2,
+ cols: 8,
+ xres: XRES,
+ yres: YRES,
+ bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2,
+ gpos: 1,
+ init: MO_init,
+ clear: MO_clear,
+ put: MO_put,
+ bar: MO_bar,
+ gpo: MO_gpo,
+ flush: MO_flush,
+ quit: MO_quit
+ },
+ { name: "LCD1621",
+ rows: 2,
+ cols: 16,
+ xres: XRES,
+ yres: YRES,
+ bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2,
+ gpos: 1,
+ init: MO_init,
+ clear: MO_clear,
+ put: MO_put,
+ bar: MO_bar,
+ gpo: MO_gpo,
+ flush: MO_flush,
+ quit: MO_quit
+ },
+ { name: "LCD2021",
+ rows: 2,
+ cols: 20,
+ xres: XRES,
+ yres: YRES,
+ bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2,
+ gpos: 1,
+ init: MO_init,
+ clear: MO_clear,
+ put: MO_put,
+ bar: MO_bar,
+ gpo: MO_gpo,
+ flush: MO_flush,
+ quit: MO_quit
+ },
+ { name: "LCD2041",
+ rows: 4,
+ cols: 20,
+ xres: XRES,
+ yres: YRES,
+ bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2,
+ gpos: 1,
+ init: MO_init,
+ clear: MO_clear,
+ put: MO_put,
+ bar: MO_bar,
+ gpo: MO_gpo,
+ flush: MO_flush,
+ quit: MO_quit
+ },
+ { name: "LCD4021",
+ rows: 2,
+ cols: 40,
+ xres: XRES,
+ yres: YRES,
+ bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2,
+ gpos: 1,
+ init: MO_init,
+ clear: MO_clear,
+ put: MO_put,
+ bar: MO_bar,
+ gpo: MO_gpo,
+ flush: MO_flush,
+ quit: MO_quit
+ },
{ NULL }
};
projects / lcd4linux.git / commitdiff