more flexible handling of Backlight/brightness

This commit is contained in:
marschap
2007-01-29 20:49:42 +00:00
parent 4e9ae831e9
commit cc5115fe7f
2 changed files with 21 additions and 12 deletions
+12 -4
View File
@@ -266,10 +266,18 @@ void
serial_HD44780_backlight (PrivateData *p, unsigned char state)
{
if (p->have_backlight) {
unsigned char send[1];
send[0] = state ? SERIAL_IF.backlight_on : SERIAL_IF.backlight_off;
write(p->fd, &send, 1);
}
if (SERIAL_IF.backlight_escape) {
unsigned char send[2];
send[0] = SERIAL_IF.backlight_escape;
send[1] = state ? 0 : 0xFF;
write(p->fd, &send, 2);
}
else {
unsigned char send[1];
send[0] = state ? SERIAL_IF.backlight_on : SERIAL_IF.backlight_off;
write(p->fd, &send, 1);
}
}
}
unsigned char
+9 -8
View File
@@ -18,20 +18,21 @@ typedef struct SerialInterface {
char keypad;
char keypad_escape;
char backlight;
char backlight_off;
char backlight_on;
char backlight_escape; /* leave to 0 is the interface uses on/off codes */
char backlight_off;
char backlight_on; /* leave these two to 0 is backlight_escape is set */
char multiple_displays;
} SerialInterface;
/* List of connectiontypes managed by this driver, if you change
something here, remember also to change hd44780-drivers.h */
static const SerialInterface serial_interfaces[] = {
/* name instr data v ^ bitrate bits K esc B Boff Bon Multi */
{ "picanlcd", 0x11, 0x12, 0x00, 0x20, 9600, 8, 0, 0x00, 0, 0, 0, 0 },
{ "lcdserializer", 0xFE, 0, 0x00, 0x00, 9600, 8, 0, 0x00, 0, 0, 0, 0 },
{ "los-panel", 0xFE, 0, 0x00, 0x00, 9600, 4, 1, 0xFE, 0, 0, 0, 0 },
{ "vdr-lcd", 0xFE, 0, 0x00, 0x00, 9600, 4, 0, 0x00, 0, 0, 0, 0 },
{ "vdr-wakeup", 0xC0, 0xC4, 0xC0, 0xD0, 9600, 4, 0, 0x00, 1, 0xC9, 0xC8, 1 }
/* name instr data v ^ bitrate bits K esc B Besc Boff Bon Multi */
{ "picanlcd", 0x11, 0x12, 0x00, 0x20, 9600, 8, 0, 0x00, 0, 0, 0, 0, 0 },
{ "lcdserializer", 0xFE, 0, 0x00, 0x00, 9600, 8, 0, 0x00, 0, 0, 0, 0, 0 },
{ "los-panel", 0xFE, 0, 0x00, 0x00, 9600, 4, 1, 0xFE, 1, 0xFF, 0, 0, 0 },
{ "vdr-lcd", 0xFE, 0, 0x00, 0x00, 9600, 4, 0, 0x00, 0, 0, 0, 0, 0 },
{ "vdr-wakeup", 0xC0, 0xC4, 0xC0, 0xD0, 9600, 4, 0, 0x00, 1, 0, 0xC9, 0xC8, 1 }
};
/* initialize this particular driver */