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clean interface for sub-drivers wrt backlight, contrast and brightness

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This commit is contained in:
marschap
2007-11-04 16:58:00 +00:00
parent 280a60d30f
commit 81bc865f1e
9 changed files with 109 additions and 71 deletions
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server/drivers/hd44780-ftdi.c
+17 -3
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@@ -32,7 +32,19 @@
# include "config.h"
#endif
// initialize the driver
// connection type specific functions to be exposed using pointers in init()
void ftdi_HD44780_senddata(PrivateData *p, unsigned char displayID, unsigned char flags, unsigned char ch);
void ftdi_HD44780_backlight(PrivateData *p, unsigned char state);
void ftdi_HD44780_close(PrivateData *p);
/**
* Initialize the driver.
* \param drvthis Pointer to driver structure.
* \retval 0 Success.
* \retval -1 Error.
*/
int
hd_init_ftdi(Driver *drvthis)
{
@@ -49,6 +61,7 @@ hd_init_ftdi(Driver *drvthis)
vendor_id = drvthis->config_get_int(drvthis->name, "VendorID", 0, 0x0403);
product_id = drvthis->config_get_int(drvthis->name, "ProductID", 0, 0x6001);
// these config settings are not documented intentionally
p->ftdi_line_RS = drvthis->config_get_int(drvthis->name, "ftdi_line_RS", 0, 0x01);
p->ftdi_line_RW = drvthis->config_get_int(drvthis->name, "ftdi_line_RW", 0, 0x02);
p->ftdi_line_EN = drvthis->config_get_int(drvthis->name, "ftdi_line_EN", 0, 0x04);
@@ -58,7 +71,7 @@ hd_init_ftdi(Driver *drvthis)
ftdi_init(&p->ftdic);
ftdi_set_interface(&p->ftdic, INTERFACE_A);
f = ftdi_usb_open(&p->ftdic, vendor_id, product_id);
if(f < 0 && f != -5) {
if (f < 0 && f != -5) {
report(RPT_ERR, "unable to open ftdi device: %d (%s)", f, ftdi_get_error_string(&p->ftdic));
return -1;
}
@@ -71,7 +84,7 @@ hd_init_ftdi(Driver *drvthis)
ftdi_init(&p->ftdic2);
ftdi_set_interface(&p->ftdic2, INTERFACE_B);
f = ftdi_usb_open(&p->ftdic2, vendor_id, product_id);
if(f < 0 && f != -5) {
if (f < 0 && f != -5) {
report(RPT_ERR, "unable to open second ftdi device: %d (%s)", f, ftdi_get_error_string(&p->ftdic2));
return -2;
}
@@ -89,6 +102,7 @@ hd_init_ftdi(Driver *drvthis)
return 0;
}
// ftdi_HD44780_senddata
void
ftdi_HD44780_senddata(PrivateData *p, unsigned char displayID, unsigned char flags, unsigned char ch)