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[lcd4linux @ 2004-05-31 16:39:05 by reinelt]

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added NULL display driver (for debugging/profiling purposes)
added backlight/contrast initialisation for matrixOrbital
added Backlight initialisation for Cwlinux

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@452 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
reinelt
2004-05-31 16:39:06 +00:00
parent 61bd7f7bf2
commit 4e1eaa7205
11 changed files with 545 additions and 190 deletions
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73
drv_Cwlinux.c
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@@ -1,4 +1,4 @@
/* $Id: drv_Cwlinux.c,v 1.8 2004/05/31 05:38:02 reinelt Exp $
/* $Id: drv_Cwlinux.c,v 1.9 2004/05/31 16:39:06 reinelt Exp $
*
* new style driver for Cwlinux display modules
*
@@ -23,6 +23,12 @@
*
*
* $Log: drv_Cwlinux.c,v $
* Revision 1.9 2004/05/31 16:39:06 reinelt
*
* added NULL display driver (for debugging/profiling purposes)
* added backlight/contrast initialisation for matrixOrbital
* added Backlight initialisation for Cwlinux
*
* Revision 1.8 2004/05/31 05:38:02 reinelt
*
* fixed possible bugs with user-defined chars (clear high bits)
@@ -167,6 +173,38 @@ static void drv_CW12232_defchar (int ascii, unsigned char *buffer)
}
static int drv_CW_brightness (int brightness)
{
static unsigned char Brightness = 0;
char cmd[5] = "\376A_\375";
// -1 is used to query the current brightness
if (brightness == -1) return Brightness;
if (brightness < 0 ) brightness = 0;
if (brightness > 255) brightness = 255;
Brightness = brightness;
switch (Brightness) {
case 0:
// backlight off
drv_generic_serial_write ("\376F\375", 3);
break;
case 8:
// backlight on
drv_generic_serial_write ("\376B\375", 3);
break;
default:
// backlight level
cmd[2] = (char)Brightness;
drv_generic_serial_write (cmd, 4);
break;
}
return Brightness;
}
static int drv_CW_start (char *section)
{
int i;
@@ -230,6 +268,11 @@ static int drv_CW_start (char *section)
drv_generic_serial_write ("\376K\375", 3); // underline cursor off
drv_generic_serial_write ("\376B\375", 3); // backlight on
// set brightness
if (cfg_number(section, "Brightness", 0, 0, 8, &i) > 0) {
drv_CW_brightness(i);
}
return 0;
}
@@ -239,29 +282,23 @@ static int drv_CW_start (char *section)
// ****************************************
static void plugin_backlight (RESULT *result, RESULT *arg1)
static void plugin_brightness (RESULT *result, int argc, RESULT *argv[])
{
char cmd[5]="\376A_\375";
double backlight;
double brightness;
backlight=R2N(arg1);
if (backlight<0) backlight=0;
if (backlight>8) backlight=8;
switch ((int)backlight) {
switch (argc) {
case 0:
drv_generic_serial_write ("\376F\375", 3); // backlight off
brightness = drv_CW_brightness(-1);
SetResult(&result, R_NUMBER, &brightness);
break;
case 8:
drv_generic_serial_write ("\376B\375", 3); // backlight on
case 1:
brightness = drv_CW_brightness(R2N(argv[0]));
SetResult(&result, R_NUMBER, &brightness);
break;
default:
cmd[2]=(char)backlight;
drv_generic_serial_write (cmd, 4); // backlight level
break;
error ("%s.brightness(): wrong number of parameters", Name);
SetResult(&result, R_STRING, "");
}
SetResult(&result, R_NUMBER, &backlight);
}
@@ -351,7 +388,7 @@ int drv_CW_init (char *section)
widget_register(&wc);
// register plugins
AddFunction ("LCD::backlight", 1, plugin_backlight);
AddFunction ("LCD::brightness", -1, plugin_brightness);
return 0;
}