mangavalk/lcdproc
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Add a flush method to the hardware depended functions. It is called whenever

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a sequence of characters or commands have to be terminated (common_init,
position, flush).  Modify the lcd2usb subdriver to implement a small command
buffer and implement flush().
This commit is contained in:
mmdolze
2010-01-23 17:48:00 +00:00
parent 287b933e79
commit c9623a72da
5 changed files with 58 additions and 28 deletions
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server/drivers/hd44780.c
+7
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@@ -387,6 +387,7 @@ HD44780_init(Driver *drvthis)
p->hd44780_functions->scankeypad = NULL;
p->hd44780_functions->output = NULL;
p->hd44780_functions->close = NULL;
p->hd44780_functions->flush = NULL;
// Do local (=connection type specific) display init
if (init_fn(drvthis) != 0)
@@ -499,6 +500,8 @@ common_init(PrivateData *p, unsigned char if_bit)
p->hd44780_functions->uPause(p, 40);
p->hd44780_functions->senddata(p, 0, RS_INSTR, HOMECURSOR);
p->hd44780_functions->uPause(p, 1600);
if (p->hd44780_functions->flush != NULL)
p->hd44780_functions->flush(p);
}
@@ -627,6 +630,8 @@ HD44780_position(Driver *drvthis, int x, int y)
}
p->hd44780_functions->senddata(p, dispID, RS_INSTR, POSITION | DDaddr);
p->hd44780_functions->uPause(p, 40); // Minimum exec time for all commands
if (p->hd44780_functions->flush != NULL)
p->hd44780_functions->flush(p);
}
@@ -703,6 +708,8 @@ HD44780_flush(Driver *drvthis)
count++;
}
}
if (p->hd44780_functions->flush != NULL)
p->hd44780_functions->flush(p);
debug(RPT_DEBUG, "%s: flushed %d custom chars", drvthis->name, count);
}