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hd44780/serial: Fix handling of keys for LoS-Panel (by M. Kirchner) and change

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backlight handling:

Previously if keypad=yes was configured in LCDd.conf a value for the
backlight was sent, regardless of the configuration in hd44780-serial.c.

Now it decides upon the backlight flag from that file (enabling it in
LCDd.conf is still required). If the backlight flag indicates the device
supports backlight, the backlight_on / backlight_off values are sent (even
if they are 0x00)!
This commit is contained in:
mmdolze
2011-11-02 20:04:36 +00:00
parent 760ea0a21a
commit 0fdc92e156
4 changed files with 57 additions and 18 deletions
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server/drivers/hd44780-serial.h
+4 -6
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@@ -22,14 +22,12 @@ struct hd44780_SerialInterface {
unsigned int default_bitrate; /**< Bitrate device is set to by default */
char if_bits; /**< Initialize to 8 or 4 bit interface */
char keypad; /**< Flag: keypad available */
char keypad_escape; /**< Keys must escaped with this character */
char keypad_escape; /**< Keys are escaped with this character */
char backlight; /**< Flag: backlight available */
/** Escape character to send to indicate a backlight state change */
char backlight_escape;
/** Character to send to set display off. If not configured 0xFF is sent */
char backlight_off;
/** Character to send to set display on. If not configured 0x00 is sent */
char backlight_on;
char backlight_off; /**< Character sent to set display off */
char backlight_on; /**< Character sent to set display on */
/** Flag: Device has multiple controllers. If enabled, the displayID
* is added to data escape */
char multiple_displays;
@@ -44,7 +42,7 @@ static const struct hd44780_SerialInterface serial_interfaces[] = {
/* type instr data v ^ bitrate bits K esc B Besc Boff Bon Multi End */
{ HD44780_CT_PICANLCD, 0x11, 0x12, 0x00, 0x20, 9600, 8, 0, 0x00, 0, 0, 0, 0, 0, 0 },
{ HD44780_CT_LCDSERIALIZER, 0xFE, 0, 0x00, 0x00, 9600, 8, 0, 0x00, 0, 0, 0, 0, 0, 0 },
{ HD44780_CT_LOS_PANEL, 0xFE, 0, 0x00, 0x00, 9600, 4, 1, 0xFE, 1, 0xFF, 0, 0, 0, 0 },
{ HD44780_CT_LOS_PANEL, 0xFE, 0, 0x00, 0x00, 9600, 4, 1, 0xFE, 1, 0xFD, 0, 0xFF, 0, 0 },
{ HD44780_CT_VDR_LCD, 0xFE, 0, 0x00, 0x00, 9600, 4, 0, 0x00, 0, 0, 0, 0, 0, 0 },
{ HD44780_CT_VDR_WAKEUP, 0xC0, 0xC4, 0xC0, 0xD0, 9600, 4, 0, 0x00, 1, 0, 0xC9, 0xC8, 1, 0xCF },
{ HD44780_CT_PERTELIAN, 0xFE, 0, 0x00, 0x00, 9600, 8, 0, 0x00, 1, 0xFE, 0x02, 0x03, 0, 0 },