Initial revision

1999-12-09 23:15:14 +00:00
commit 2635c3085d
139 changed files with 24298 additions and 0 deletions
@@ -0,0 +1,236 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <termios.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/errno.h>
+
+#include "lcd.h"
+#include "text.h"
+#include "drv_base.h"
+
+
+lcd_logical_driver *text;
+
+//////////////////////////////////////////////////////////////////////////
+////////////////////// For Text-Mode Output //////////////////////////////
+//////////////////////////////////////////////////////////////////////////
+
+int text_init(lcd_logical_driver *driver, char *args) 
+{
+   text = driver;
+   
+   if(!driver->framebuf)
+    {
+      driver->close();
+      return -1;
+    }
+  
+
+  driver->wid = 20;
+  driver->hgt = 4;
+  driver->cellwid = 5;
+  driver->cellhgt = 8;
+  
+  driver->clear = (void *)-1;
+  driver->string = (void *)-1;
+  driver->chr = (void *)-1;
+  driver->vbar = text_vbar;
+  driver->init_vbar = NULL;
+  driver->hbar = text_hbar;
+  driver->init_hbar = NULL;
+  driver->num = (void *)-1;
+  driver->init_num = NULL;
+  
+  driver->init = text_init;
+  driver->close = text_close;
+  driver->flush = text_flush;
+  driver->flush_box = NULL;
+  driver->contrast = NULL;
+  driver->backlight = NULL;
+  driver->set_char = NULL;
+  driver->icon = NULL;
+  driver->draw_frame = text_draw_frame;
+
+  driver->getkey = NULL;
+
+
+  return 200;  // 200 is arbitrary.  (must be 1 or more)
+}
+
+void text_close() 
+{
+  drv_base_close();
+}
+
+/////////////////////////////////////////////////////////////////
+// Clears the LCD screen
+//
+void text_clear() 
+{
+  memset(lcd.framebuf, ' ', lcd.wid*lcd.hgt);
+  
+}
+
+
+//////////////////////////////////////////////////////////////////
+// Flushes all output to the lcd...
+//
+void text_flush()
+{
+  text_draw_frame(lcd.framebuf);
+}
+
+
+/////////////////////////////////////////////////////////////////
+// Prints a string on the lcd display, at position (x,y).  The
+// upper-left is (1,1), and the lower right should be (20,4).
+//
+void text_string(int x, int y, char string[]) 
+{
+  int i;
+
+  x -= 1;  // Convert 1-based coords to 0-based...
+  y -= 1;
+  
+  for(i=0; string[i]; i++)
+    {
+      lcd.framebuf[(y*lcd.wid) + x + i] = string[i];
+    }
+}
+
+/////////////////////////////////////////////////////////////////
+// Prints a character on the lcd display, at position (x,y).  The
+// upper-left is (1,1), and the lower right should be (20,4).
+//
+void text_chr(int x, int y, char c) 
+{
+  y--;
+  x--;
+  
+  lcd.framebuf[(y*lcd.wid) + x] = c;
+}
+
+
+
+int text_contrast(int contrast) 
+{
+//  printf("Contrast: %i\n", contrast);
+   return 0;
+}
+
+void text_backlight(int on)
+{
+/*
+  if(on)
+  {
+    printf("Backlight ON\n");
+  }
+  else
+  {
+    printf("Backlight OFF\n");
+  }
+*/
+}
+
+void text_init_vbar() 
+{
+//  printf("Vertical bars.\n");
+}
+
+void text_init_hbar() 
+{
+//  printf("Horizontal bars.\n");
+}
+
+void text_init_num() 
+{
+//  printf("Big Numbers.\n");
+}
+
+void text_num(int x, int num) 
+{
+//  printf("BigNum(%i, %i)\n", x, num);
+}
+
+void text_set_char(int n, char *dat)
+{
+//  printf("Set Character %i\n", n);
+}
+
+/////////////////////////////////////////////////////////////////
+// Draws a vertical bar; erases entire column onscreen.
+//
+void text_vbar(int x, int len) 
+{
+  int y;
+  for(y=lcd.hgt; y > 0 && len>0; y--)
+    {
+      text_chr(x, y, '|');
+
+      len -= lcd.cellhgt;
+    }
+  
+}
+
+/////////////////////////////////////////////////////////////////
+// Draws a horizontal bar to the right.
+//
+void text_hbar(int x, int y, int len) 
+{
+  for(; x<=lcd.wid && len>0; x++)
+    {
+      text_chr(x,y,'-');
+      
+      len -= lcd.cellwid;
+    }
+  
+}
+
+
+void text_flush_box(int lft, int top, int rgt, int bot)
+{
+  text_flush();
+  
+}
+
+
+void text_draw_frame(char *dat)
+{
+  int i, j;
+
+  char out[LCD_MAX_WIDTH];
+
+  if(!dat) return;
+
+//  printf("Frame (%ix%i): \n%s\n", lcd.wid, lcd.hgt, dat);
+
+  for(i=0; i<lcd.wid; i++)
+    {
+      out[i] = '-';
+    }
+  out[lcd.wid] = 0;
+  printf("+%s+\n", out);
+  
+  
+  for(i=0; i<lcd.hgt; i++)
+    {
+      for(j=0; j<lcd.wid; j++)
+	{
+	  out[j] = dat[j+(i*lcd.wid)];
+	}
+      out[lcd.wid] = 0;
+      printf("|%s|\n", out);
+      
+    }
+  
+  for(i=0; i<lcd.wid; i++)
+    {
+      out[i] = '-';
+    }
+  out[lcd.wid] = 0;
+  printf("+%s+\n", out);
+
+}
+