mangavalk/lcdproc
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add get_brightness() & set_brightness() functions to CFontz{633,Packet}.c

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and normalize the brightness to range [0, 1000] to support changing the
brightness online
This commit is contained in:
marschap
2005-06-12 16:25:50 +00:00
parent 285db95e4d
commit fbd81f910e
4 changed files with 130 additions and 51 deletions
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server/drivers/CFontz633.c
+54 -18
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@@ -191,16 +191,16 @@ CFontz633_init (Driver *drvthis, char *args)
/* Which backlight brightness */
tmp = drvthis->config_get_int (drvthis->name, "Brightness", 0, DEFAULT_BRIGHTNESS);
if ((tmp < 0) || (tmp > 100)) {
report (RPT_WARNING, "CFontz633_init: Brightness must be between 0 and 100. Using default value.\n");
if ((tmp < 0) || (tmp > 1000)) {
report (RPT_WARNING, "CFontz633_init: Brightness must be between 0 and 1000. Using default value.\n");
tmp = DEFAULT_BRIGHTNESS;
}
p->brightness = tmp;
/* Which backlight-off "brightness" */
tmp = drvthis->config_get_int (drvthis->name, "OffBrightness", 0, DEFAULT_OFFBRIGHTNESS);
if ((tmp < 0) || (tmp > 100)) {
report (RPT_WARNING, "CFontz633_init: OffBrightness must be between 0 and 100. Using default value.\n");
if ((tmp < 0) || (tmp > 1000)) {
report (RPT_WARNING, "CFontz633_init: OffBrightness must be between 0 and 1000. Using default value.\n");
tmp = DEFAULT_OFFBRIGHTNESS;
}
p->offbrightness = tmp;
@@ -477,7 +477,7 @@ MODULE_EXPORT void
CFontz633_chr (Driver *drvthis, int x, int y, char c)
{
PrivateData *p = drvthis->private_data;
y--;
x--;
@@ -486,10 +486,9 @@ CFontz633_chr (Driver *drvthis, int x, int y, char c)
/*
* Returns current contrast
* Returns current contrast (in promille)
* This is only the locally stored contrast, the contrast value
* cannot be retrieved from the LCD.
* Value 0 to 1000.
*/
MODULE_EXPORT int
CFontz633_get_contrast (Driver *drvthis)
@@ -501,8 +500,7 @@ CFontz633_get_contrast (Driver *drvthis)
/*
* Changes screen contrast (valid hardware value: 0-50)
* Value 0 to 1000.
* Changes screen contrast (in promille)
*/
MODULE_EXPORT void
CFontz633_set_contrast (Driver *drvthis, int promille)
@@ -514,33 +512,71 @@ CFontz633_set_contrast (Driver *drvthis, int promille)
if (promille < 0 || promille > 1000)
return;
/* Store the software value since there is not get. */
/* store the software value since there is not get */
p->contrast = promille;
hardware_contrast = p->contrast/20;
/* Next line is to be checked $$$ */
/* map range [0, 1000] -> [0, 50] that the hardware understands */
hardware_contrast = p->contrast / 20;
send_onebyte_message(p->fd, CF633_Set_LCD_Contrast, hardware_contrast);
}
/*
* Retrieves brightness (in promille)
*/
MODULE_EXPORT int
CFontz633_get_brightness(Driver *drvthis, int state)
{
PrivateData *p = drvthis->private_data;
return (state == BACKLIGHT_ON) ? p->brightness : p->offbrightness;
}
/*
* Sets on/off brightness (in promille)
*/
MODULE_EXPORT void
CFontz633_set_brightness(Driver *drvthis, int state, int promille)
{
PrivateData *p = drvthis->private_data;
/* Check it */
if (promille < 0 || promille > 1000)
return;
/* store the software value since there is not get */
if (state == BACKLIGHT_ON) {
p->brightness = promille;
//CFontz633_backlight(drvthis, BACKLIGHT_ON);
}
else {
p->offbrightness = promille;
//CFontz633_backlight(drvthis, BACKLIGHT_OFF);
}
}
/*
* Sets the backlight on or off.
* The hardware support any value between 0 and 100.
* Need to find out if we have support for intermediate value.
*/
MODULE_EXPORT void
CFontz633_backlight (Driver *drvthis, int on)
{
PrivateData *p = drvthis->private_data;
/* Next line is to be checked $$$ */
send_onebyte_message(p->fd, CF633_Set_LCD_And_Keypad_Backlight,
(on) ? p->brightness : p->offbrightness);
int hardware_value = (on == BACKLIGHT_ON)
? p->brightness
: p->offbrightness;
/* map range [0, 1000] -> [0, 100] that the hardware understands */
hardware_value /= 10;
send_onebyte_message(p->fd, CF633_Set_LCD_And_Keypad_Backlight, hardware_value);
}
/*
* Get rid of the blinking curson
* Get rid of the blinking cursor
*/
static void
CFontz633_hidecursor (Driver *drvthis)