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harmonize backingstroe name with other drivers; don't force connection type

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drivers to define nop-like functions for features they don't support
This commit is contained in:
marschap
2007-11-04 13:25:54 +00:00
parent c76af798c3
commit e6c4b71ff0
8 changed files with 48 additions and 77 deletions
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server/drivers/hd44780-ftdi.c
+12 -12
View File
@@ -1,3 +1,7 @@
/** \file hd44780-ftdi.c
* \c ftdi connection type of \c hd44780 driver for Hitachi HD44780 based LCD displays.
*/
/*
* FTDI/USB driver module for Hitachi HD44780 based LCD displays
* connected to a FT2232C/D chip in 8 bit mode.
@@ -39,7 +43,6 @@ hd_init_ftdi(Driver *drvthis)
p->hd44780_functions->senddata = ftdi_HD44780_senddata;
p->hd44780_functions->backlight = ftdi_HD44780_backlight;
p->hd44780_functions->scankeypad = ftdi_HD44780_scankeypad;
p->hd44780_functions->close = ftdi_HD44780_close;
// Load config
@@ -93,7 +96,8 @@ ftdi_HD44780_senddata(PrivateData *p, unsigned char displayID, unsigned char fla
// Output data on first channel
int f = ftdi_write_data(&p->ftdic, &ch, 1);
if (f < 0) {
p->hd44780_functions->drv_report(RPT_ERR, "failed to write: %d (%s). Exiting", f, ftdi_get_error_string(&p->ftdic));
p->hd44780_functions->drv_report(RPT_ERR, "failed to write: %d (%s). Exiting",
f, ftdi_get_error_string(&p->ftdic));
exit (-1);
}
@@ -104,7 +108,8 @@ ftdi_HD44780_senddata(PrivateData *p, unsigned char displayID, unsigned char fla
}
f = ftdi_write_data(&p->ftdic2, &ch, 1);
if (f < 0) {
p->hd44780_functions->drv_report(RPT_ERR, "failed to write: %d (%s). Exiting", f, ftdi_get_error_string(&p->ftdic2));
p->hd44780_functions->drv_report(RPT_ERR, "failed to write: %d (%s). Exiting",
f, ftdi_get_error_string(&p->ftdic2));
exit(-1);
}
@@ -115,7 +120,8 @@ ftdi_HD44780_senddata(PrivateData *p, unsigned char displayID, unsigned char fla
}
f = ftdi_write_data(&p->ftdic2, &ch, 1);
if (f < 0) {
p->hd44780_functions->drv_report(RPT_ERR, "failed to write: %d (%s). Exiting", f, ftdi_get_error_string(&p->ftdic2));
p->hd44780_functions->drv_report(RPT_ERR, "failed to write: %d (%s). Exiting",
f, ftdi_get_error_string(&p->ftdic2));
exit(-1);
}
}
@@ -130,19 +136,13 @@ ftdi_HD44780_backlight(PrivateData *p, unsigned char state)
f = ftdi_write_data(&p->ftdic2, &state, 1);
if (f < 0) {
p->hd44780_functions->drv_report(RPT_ERR, "failed to write: %d (%s). Exiting", f, ftdi_get_error_string(&p->ftdic2));
p->hd44780_functions->drv_report(RPT_ERR, "failed to write: %d (%s). Exiting",
f, ftdi_get_error_string(&p->ftdic2));
exit(-1);
}
}
unsigned char
ftdi_HD44780_scankeypad(PrivateData *p)
{
return 0;
}
void
ftdi_HD44780_close(PrivateData *p)
{