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strncpy instead of strcpy; no more dummy functions; general cleanup

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This commit is contained in:
reenoo
2001-12-03 20:38:21 +00:00
parent 7b374b0b3f
commit 8597064b67
1 changed files with 33 additions and 84 deletions
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server/drivers/lcdm001.c
+33 -84
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@@ -5,7 +5,9 @@
//////////////////////////////////////////////////////////////
/*LCDM001 does NOT support custom chars
So the output may look a bit strange*/
So the output may look a bit strange
Most of the "strange output" has been fixed by
using ASCII workarounds*/
/*All the functions neccessary for running "normal" clients
have been implemented.
@@ -37,7 +39,6 @@
#include "lcd.h"
#include "lcdm001.h"
/*#include "shared/debug.h"*/
#include "shared/str.h"
#include "shared/report.h"
#include "configfile.h"
@@ -49,16 +50,10 @@ static void lcdm001_clear ();
static void lcdm001_flush ();
static void lcdm001_string (int x, int y, char string[]);
static void lcdm001_chr (int x, int y, char c);
static int lcdm001_contrast (int contrast);
static void lcdm001_backlight (int on);
static void lcdm001_output (int on);
static void lcdm001_vbar (int x, int len);
static void lcdm001_init_vbar ();
static void lcdm001_hbar (int x, int y, int len);
static void lcdm001_init_hbar ();
static void lcdm001_num (int x, int num);
static void lcdm001_init_num ();
static void lcdm001_set_char (int n, char *dat);
static void lcdm001_icon (int which, char dest);
static void lcdm001_flush_box (int lft, int top, int rgt, int bot);
static void lcdm001_draw_frame (char *dat);
@@ -68,8 +63,6 @@ static void lcdm001_heartbeat (int type);
#define NotEnoughArgs (i + 1 > argc)
extern int debug_level;
lcd_logical_driver *lcdm001;
int fd;
static int clear = 1;
@@ -148,7 +141,7 @@ lcdm001_cursorblink (int on)
int
lcdm001_init (struct lcd_logical_driver *driver, char *args)
{
char device[20];
char device[256];
int speed=B38400;
struct termios portset;
@@ -186,7 +179,8 @@ lcdm001_init (struct lcd_logical_driver *driver, char *args)
//READ CONFIG FILE:
//which serial device should be used
strcpy(device, config_get_string ( DriverName , "Device" , 0 , "/dev/lcd"));
strncpy(device, config_get_string ( DriverName , "Device" , 0 , "/dev/lcd"),255);
if (strlen(device)>254) strncat(device, "\0", 1);
report (RPT_INFO,"LCDM001: Using device: %s", device);
// Set up io port correctly, and open it...
@@ -241,20 +235,24 @@ lcdm001_init (struct lcd_logical_driver *driver, char *args)
driver->string = lcdm001_string;
driver->chr = lcdm001_chr;
driver->vbar =lcdm001_vbar;
driver->init_vbar = lcdm001_init_vbar;
//init_vbar is not needed
driver->hbar = lcdm001_hbar;
driver->init_hbar = lcdm001_init_hbar;
//init_hbar is not needed
driver->num = lcdm001_num;
driver->init_num = lcdm001_init_num;
//init_num is not needed
driver->init = lcdm001_init;
driver->close = lcdm001_close;
driver->flush = lcdm001_flush;
driver->flush_box = lcdm001_flush_box;
driver->contrast = lcdm001_contrast;
driver->backlight = lcdm001_backlight;
//contrast and backlight are not implemented as
//changing the contrast or the state of the backlight
//is not supported by the device
//Well ... you could make use of your screw driver and
//soldering iron ;)
driver->output = lcdm001_output;
driver->set_char = lcdm001_set_char;
//set_char is not implemented as custom chars are not
//supported by the device
driver->icon = lcdm001_icon;
driver->draw_frame = lcdm001_draw_frame;
@@ -264,50 +262,6 @@ lcdm001_init (struct lcd_logical_driver *driver, char *args)
return fd;
}
/////////////////////////////////////////////////////////////////
// Writes a big number.
//
static void lcdm001_num (int x, int num)
{
int y, dx;
debug (RPT_DEBUG, "LCDM001: Writing big number \"%d\" at x = %d", num, x);
for (y = 1; y < 5; y++)
for (dx = 0; dx < 3; dx++)
lcdm001_chr (x + dx, y, num_icon[num][y-1][dx]);
}
static void lcdm001_init_num ()
{
/*prepare for the use of _num in stupid driver. */
/*nothing to be done*/
}
/* DUMMY functions: */
static void
lcdm001_backlight (int on)
{
/*Go and get your soldering iron ...*/
}
static int
lcdm001_contrast (int contrast)
{
/*Go and get your screwdriver ...*/
return -1;
}
/////////////////////////////////////////////////////////////////
// Sets a custom character from 0-7...
static void
lcdm001_set_char (int n, char *dat)
{
/* custom chars are NOT supported */
}
/*End of DUMMY functions*/
// Below here, you may use either lcd.framebuf or driver->framebuf..
// lcd.framebuf will be set to the appropriate buffer before calling
// your driver.
@@ -445,32 +399,11 @@ lcdm001_output (int on)
debug (RPT_DEBUG, "LCDM001: current LED state: %d", on);
}
//////////////////////////////////////////////////////////////////////
// Tells the driver to get ready for vertical bargraphs.
//
static void lcdm001_init_vbar()
{
//printf("Init Vertical bars.\n");
//Nothing to be done
return;
}
//////////////////////////////////////////////////////////////////////
// Tells the driver to get ready for horizontal bargraphs.
//
static void lcdm001_init_hbar()
{
//printf("Init Horizontal bars.\n");
//nothing to be done!
}
/////////////////////////////////////////////////////////////////
// Draws a vertical bar, from the bottom of the screen up.
//
static void
lcdm001_vbar(int x, int len)
lcdm001_vbar(int x, int len)
{
int y = 4;
@@ -520,6 +453,22 @@ lcdm001_hbar(int x, int y, int len)
return;
}
/////////////////////////////////////////////////////////////////
// Writes a big number.
//
static void lcdm001_num (int x, int num)
{
int y, dx;
debug (RPT_DEBUG, "LCDM001: Writing big number \"%d\" at x = %d", num, x);
/*This function uses an ASCII emulation of big numbers*/
for (y = 1; y < 5; y++)
for (dx = 0; dx < 3; dx++)
lcdm001_chr (x + dx, y, num_icon[num][y-1][dx]);
}
/////////////////////////////////////////////////////////////////
// Sets character 0 to an icon...
//