From 32b5a154a49a57c94b26102105bc7adb308022e4 Mon Sep 17 00:00:00 2001
From: reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>
Date: Fri, 10 Mar 2000 12:02:43 +0000
Subject: [lcd4linux @ 2000-03-10 12:02:43 by reinelt] autoconf/automake

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@8 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
---
 lcd2041.c | 314 --------------------------------------------------------------
 1 file changed, 314 deletions(-)
 delete mode 100644 lcd2041.c

(limited to 'lcd2041.c')

diff --git a/lcd2041.c b/lcd2041.c
deleted file mode 100644
index 8abee97..0000000
--- a/lcd2041.c
+++ /dev/null
@@ -1,314 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <termios.h>
-#include <fcntl.h>
-#include <string.h>
-#include <errno.h>
-
-#include "lcd2041.h"
-
-#define BAR_HORI 1
-#define BAR_VERT 2
-#define BAR_DUAL 3
-
-static int lcd;
-static char *lcd_device=NULL;
-static int bar_mode=0;
-
-typedef struct {
-  int l1;
-  int l2;
-  int chr;
-} SEGMENT;
-
-typedef struct {
-  int l1;
-  int l2;
-  int lru;
-} CHARACTER;
-
-static SEGMENT Segment[COLS+1][ROWS+1];
-static CHARACTER Character[CHAR];
-
-static int lcd_open(void)
-{
-  int fd;
-  struct termios portset;
-  
-  fd = open(lcd_device, O_RDWR | O_NOCTTY | O_NDELAY); 
-  if (fd==-1) {
-    fprintf (stderr, "open(%s) failed: %s\n", lcd_device, strerror(errno));
-    return -1;
-  }
-  if (tcgetattr(fd, &portset)==-1) {
-    fprintf (stderr, "tcgetattr(%s) failed: %s\n", lcd_device, strerror(errno));
-    return -1;
-  }
-  cfmakeraw(&portset);
-  cfsetospeed(&portset, B19200);
-  if (tcsetattr(fd, TCSANOW, &portset)==-1) {
-    fprintf (stderr, "tcsetattr(%s) failed: %s\n", lcd_device, strerror(errno));
-    return -1;
-  }
-  return fd;
-}
-
-
-static void lcd_write (char *string, int len)
-{
-  if (lcd==-1) return;
-  if (write (lcd, string, len)==-1) {
-    if (errno==EAGAIN) {
-      usleep(1000);
-      if (write (lcd, string, len)>=0) return;
-    }
-    fprintf (stderr, "write(%s) failed: %s\n", lcd_device, strerror(errno));
-  }
-}
-
-
-void lcd_clear (void)
-{
-  lcd_write ("\014", 1);
-}
-
-
-void lcd_put (int x, int y, char *string)
-{
-  char buffer[256];
-  snprintf (buffer, sizeof(buffer), "\376G%c%c%s", x, y, string);
-  lcd_write (buffer, strlen(buffer));
-}
- 
-void lcd_hbar (int x, int y, int dir, int max, int len)
-{
-  char buffer[COLS+5];
-  char *p;
-
-  if (bar_mode!=BAR_HORI) {
-    lcd_write ("\376h", 2);
-    bar_mode=BAR_HORI;
-  }
-
-  if (len<1) len=1;
-  else if (len>max) len=max;
-  if (dir!=0) len=max-len;
-
-  snprintf (buffer, sizeof(buffer), "\376G%c%c", x, y);
-  p=buffer+4;
-  
-  while (max>0 && p-buffer<sizeof(buffer)) {
-    if (len==0) {
-      *p=dir?255:32;
-    } else if (len>=XRES) {
-      *p=dir?32:255;
-      len-=XRES;
-    } else {
-      *p=dir?8-len:len-1;
-      len=0;
-    }
-    max-=XRES;
-    p++;
-  }
-  lcd_write (buffer, p-buffer);
-}
-
-
-void lcd_vbar (int x, int y, int dir, int max, int len)
-{
-  char buffer[6];
-  unsigned char c;
-
-  if (bar_mode!=BAR_VERT) {
-    lcd_write ("\376v", 2);
-    bar_mode=BAR_VERT;
-  }
-
-  if (len<1) len=1;
-  else if (len>max) len=max;
-
-  while (max>0 && y>0) {
-    if (len==0) {
-      c=32;
-    } else if (len>=XRES) {
-      c=255;
-      len-=XRES;
-    } else {
-      c=len;
-      len=0;
-    }
-    snprintf (buffer, sizeof(buffer), "\376G%c%c%c", x, y, c);
-    lcd_write (buffer, 5);
-    max-=XRES;
-    y--;
-  }
-}
-
-
-static void lcd_dbar_init (void)
-{
-  int x, y;
-  
-  bar_mode=BAR_DUAL;
-
-  for (x=0; x<CHAR; x++) {
-    Character[x].l1=-1;
-    Character[x].l2=-1;
-    Character[x].lru=0;
-  }
-  
-  for (x=0; x<COLS; x++) {
-    for (y=0; y<ROWS; y++) {
-      Segment[x][y].l1=-1;
-      Segment[x][y].l2=-1;
-    }
-  }
-}
-
-static int lcd_dbar_char (int l1, int l2)
-{
-  int i, j, min;
-
-  if (l1==127) l1=0;
-  if (l2==127) l2=0;
-  
-  if (l1==0 && l2==0) return 32;
-  if (l1==XRES && l2==XRES) return 255;
-
-  for (i=0; i<CHAR; i++) {
-    if (Character[i].l1==l1 && Character[i].l2==l2) {
-      Character[i].lru=2;
-      return i;
-    }
-  }
-
-  for (i=0; i<CHAR; i++) {
-    if (Character[i].lru==0) {
-      printf ("creating char %d (%d/%d)\n", i, l1, l2);
-      Character[i].l1=l1;
-      Character[i].l2=l2;
-      Character[i].lru=2;
-      return i;
-    }
-  }
-
-  min=XRES*YRES;
-  for (i=0; i<CHAR; i++) {
-    int diff;
-    if (l1==0 && Character[i].l1!=0) continue;
-    if (l2==0 && Character[i].l2!=0) continue;
-    if (l1==XRES && Character[i].l1!=XRES) continue;
-    if (l2==XRES && Character[i].l2!=XRES) continue;
-    diff=abs(Character[i].l1-l1)+abs(Character[i].l2-l2);
-    if (diff<min) {
-      min=diff;
-      j=i;
-    }
-  }
-  printf ("lcd_dbar: diff=%d\n", min);
-  return j;
-}
-
-void lcd_dbar (int x, int y, int dir, int max, int len1, int len2)
-{
-  if (bar_mode!=BAR_DUAL)
-    lcd_dbar_init();
-  
-  if (len1<1) len1=1;
-  else if (len1>max) len1=max;
-
-  if (len2<1) len2=1;
-  else if (len2>max) len2=max;
-
-  while (max>0 && x<=COLS) {
-    if (len1==0) {
-      Segment[x][y].l1=0;
-    } else if (len1>=XRES) {
-      Segment[x][y].l1=XRES;
-      len1-=XRES;
-    } else {
-      Segment[x][y].l1=len1;
-      len1=0;
-    }
-    if (len2==0) {
-      Segment[x][y].l2=0;
-    } else if (len2>=XRES) {
-      Segment[x][y].l2=XRES;
-      len2-=XRES;
-    } else {
-      Segment[x][y].l2=len2;
-      len2=0;
-    }
-    max-=XRES;
-    x++;
-  }
-}
-
-void lcd_dbar_flush (void)
-{
-  int i, x, y;
-  
-  for (y=0; y<=ROWS; y++) {
-    for (x=0; x<=COLS; x++) {
-      if ((Segment[x][y].l1==0 && Segment[x][y].l2==XRES) || (Segment[x][y].l1==XRES && Segment[x][y].l2==0))
-	Segment[x][y].chr=lcd_dbar_char(Segment[x][y].l1, Segment[x][y].l2);
-    }
-  }
-  for (y=0; y<=ROWS; y++) {
-    for (x=0; x<=COLS; x++) {
-      if (Segment[x][y].l1!=-1 || Segment[x][y].l2!=-1) 
-	Segment[x][y].chr=lcd_dbar_char(Segment[x][y].l1, Segment[x][y].l2);
-    }
-  }
-
-  for (i=0; i<CHAR; i++) {
-    if (Character[i].lru==2) {
-      char buffer[12];
-      char pixel[XRES+1]={0, 16, 24, 28, 30, 31};
-      char p0=pixel[Character[i].l1];
-      char p1=pixel[Character[i].l2];
-      snprintf (buffer, sizeof(buffer), "\376N%c%c%c%c%c%c%c%c%c", i, p0, p0, p0, p0, p1, p1, p1, p1);
-      lcd_write (buffer, 11);
-    }
-    if (Character[i].lru>0)
-      Character[i].lru--;
-  }
-
-  for (y=0; y<=ROWS; y++) {
-    for (x=0; x<=COLS; x++) {
-      if (Segment[x][y].l1!=-1 || Segment[x][y].l2!=-1) {
-	char buffer[6];
-	snprintf (buffer, sizeof(buffer), "\376G%c%c%c", x, y, Segment[x][y].chr);
-	lcd_write (buffer, 5);
-      }
-    }
-  }
-}
-
-
-int lcd_init (char *device)
-{
-  if (lcd_device) free (lcd_device);
-  lcd_device=strdup(device);
-  lcd=lcd_open();
-  if (lcd==-1) return -1;
-  
-  lcd_clear();
-  lcd_write ("\376B", 3);  // backlight on
-  lcd_write ("\376K", 2);  // cursor off
-  lcd_write ("\376T", 2);  // blink off
-  lcd_write ("\376D", 2);  // line wrapping off
-  lcd_write ("\376R", 2);  // auto scroll off
-  lcd_write ("\376V", 2);  // GPO off
-
-  return 0;
-}
-
-void lcd_contrast (int contrast)
-{
-  char buffer[4];
-  snprintf (buffer, 4, "\376P%c", contrast);
-  lcd_write (buffer, 3);
-}
-
-- 
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