harmonize backingstroe name with other drivers; don't force connection type
drivers to define nop-like functions for features they don't support
This commit is contained in:
@@ -171,8 +171,8 @@ hd_init_serial(Driver *drvthis)
|
||||
size_t bitrate;
|
||||
|
||||
conf_bitrate = drvthis->config_get_int(drvthis->name, "Speed", 0, SERIAL_IF.default_bitrate);
|
||||
if (conf_bitrate == 0)
|
||||
conf_bitrate = SERIAL_IF.default_bitrate;
|
||||
if (conf_bitrate == 0)
|
||||
conf_bitrate = SERIAL_IF.default_bitrate;
|
||||
if (convert_bitrate(conf_bitrate, &bitrate)) {
|
||||
report(RPT_ERR, "HD44780: serial: invalid configured bitrate speed");
|
||||
return -1;
|
||||
@@ -215,14 +215,13 @@ hd_init_serial(Driver *drvthis)
|
||||
/* Set TCSANOW mode of serial device */
|
||||
tcsetattr(p->fd, TCSANOW, &portset);
|
||||
|
||||
lastdisplayID = -1;
|
||||
lastdisplayID = -1;
|
||||
|
||||
/* Assign functions */
|
||||
p->hd44780_functions->senddata = serial_HD44780_senddata;
|
||||
p->hd44780_functions->backlight = serial_HD44780_backlight;
|
||||
if (p->have_keypad)
|
||||
p->hd44780_functions->scankeypad = serial_HD44780_scankeypad;
|
||||
p->hd44780_functions->close = serial_HD44780_close;
|
||||
p->hd44780_functions->scankeypad = serial_HD44780_scankeypad;
|
||||
p->hd44780_functions->close = serial_HD44780_close;
|
||||
|
||||
/* Do initialization */
|
||||
if (SERIAL_IF.if_bits == 8) {
|
||||
@@ -248,8 +247,8 @@ serial_HD44780_senddata(PrivateData *p, unsigned char displayID, unsigned char f
|
||||
/* Do we need a DATA indicator byte? */
|
||||
if ((SERIAL_IF.data_escape != '\0') &&
|
||||
(((ch >= SERIAL_IF.data_escape_min) &&
|
||||
(ch < SERIAL_IF.data_escape_max)) ||
|
||||
(SERIAL_IF.multiple_displays && displayID != lastdisplayID))) {
|
||||
(ch < SERIAL_IF.data_escape_max)) ||
|
||||
(SERIAL_IF.multiple_displays && displayID != lastdisplayID))) {
|
||||
write(p->fd, &SERIAL_IF.data_escape + displayID, 1);
|
||||
}
|
||||
write(p->fd, &ch, 1);
|
||||
@@ -258,25 +257,25 @@ serial_HD44780_senddata(PrivateData *p, unsigned char displayID, unsigned char f
|
||||
write(p->fd, &SERIAL_IF.instruction_escape, 1);
|
||||
write(p->fd, &ch, 1);
|
||||
}
|
||||
lastdisplayID = displayID;
|
||||
lastdisplayID = displayID;
|
||||
}
|
||||
|
||||
void
|
||||
serial_HD44780_backlight(PrivateData *p, unsigned char state)
|
||||
{
|
||||
unsigned char send[1];
|
||||
unsigned char send[1];
|
||||
if (p->have_backlight) {
|
||||
if (SERIAL_IF.backlight_escape) {
|
||||
send[0] = SERIAL_IF.backlight_escape;
|
||||
write(p->fd, &send, 1);
|
||||
}
|
||||
if (SERIAL_IF.backlight_on && SERIAL_IF.backlight_off) {
|
||||
}
|
||||
if (SERIAL_IF.backlight_on && SERIAL_IF.backlight_off) {
|
||||
send[0] = state ? SERIAL_IF.backlight_on : SERIAL_IF.backlight_off;
|
||||
}
|
||||
else {
|
||||
send[0] = state ? 0 : 0xFF;
|
||||
}
|
||||
write(p->fd, &send, 1);
|
||||
write(p->fd, &send, 1);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -302,7 +301,7 @@ serial_HD44780_scankeypad(PrivateData *p)
|
||||
void
|
||||
serial_HD44780_close(PrivateData *p)
|
||||
{
|
||||
if (SERIAL_IF.end_code)
|
||||
write(p->fd, &SERIAL_IF.end_code, 1);
|
||||
close(p->fd);
|
||||
if (SERIAL_IF.end_code)
|
||||
write(p->fd, &SERIAL_IF.end_code, 1);
|
||||
close(p->fd);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user