mangavalk/lcdproc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

new ConnectionType lcd2usb in hd44780 driver

Browse Source
This commit is contained in:
marschap
2007-03-31 12:43:27 +00:00
parent 9f70890432
commit 4839321569
12 changed files with 301 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files
server/drivers/hd44780-bwct-usb.c
+23 -11
View File
@@ -41,7 +41,7 @@ int
hd_init_bwct_usb (Driver *drvthis)
{
PrivateData *p = (PrivateData*) drvthis->private_data;
struct usb_bus *busses;
struct usb_bus *bus;
//char device_manufacturer[LCD_MAX_WIDTH+1] = "";
char device_serial[LCD_MAX_WIDTH+1] = DEFAULT_SERIALNO;
@@ -51,6 +51,7 @@ hd_init_bwct_usb (Driver *drvthis)
p->hd44780_functions->senddata = bwct_usb_HD44780_senddata;
p->hd44780_functions->backlight = bwct_usb_HD44780_backlight;
p->hd44780_functions->scankeypad = bwct_usb_HD44780_scankeypad;
p->hd44780_functions->close = bwct_usb_HD44780_close;
/* Read config file's contents: serial number and contrast */
@@ -71,17 +72,16 @@ hd_init_bwct_usb (Driver *drvthis)
usb_init();
usb_find_busses();
usb_find_devices();
busses = usb_get_busses();
bwct_usb = NULL;
for (bus = busses; bus; bus = bus->next) {
for (bus = usb_get_busses(); bus != NULL; bus = bus->next) {
struct usb_device *dev;
for (dev = bus->devices; dev; dev = dev->next) {
for (dev = bus->devices; dev != NULL; dev = dev->next) {
int c;
/* Check if this device is a BWCT device */
if (dev->descriptor.idVendor != 0x03DA) {
if (dev->descriptor.idVendor != BWCT_USB_VENDORID) {
continue;
}
/* Loop through all of the configurations */
@@ -92,10 +92,10 @@ hd_init_bwct_usb (Driver *drvthis)
/* Loop through all of the alternate settings */
for (a = 0; a < dev->config[c].interface[bwct_usb_i].num_altsetting; a++) {
/* Check if this interface is a BWCT ulcd */
if (((dev->config[c].interface[bwct_usb_i].altsetting[a].bInterfaceClass == 0xFf) &&
/* Check if this interface is a BWCT lcd */
if (((dev->config[c].interface[bwct_usb_i].altsetting[a].bInterfaceClass == 0xFF) &&
(dev->config[c].interface[bwct_usb_i].altsetting[a].bInterfaceSubClass == 0x01)) ||
(dev->descriptor.idProduct == 0x0002)) {
(dev->descriptor.idProduct == BWCT_USB_PRODUCTID)) {
/* BWCT device found; try to find its description and serial number */
bwct_usb = usb_open(dev);
@@ -167,7 +167,7 @@ hd_init_bwct_usb (Driver *drvthis)
/* set contrast */
if ((0 <= contrast) && (contrast <= 1000)) {
int res = usb_control_msg(bwct_usb, USB_TYPE_VENDOR, VENDOR_LCD_CONTRAST,
int res = usb_control_msg(bwct_usb, USB_TYPE_VENDOR, BWCT_LCD_SET_CONTRAST,
(contrast * 255) / 1000, bwct_usb_i, NULL, 0, 1000);
if (res < 0)
report(RPT_WARNING, "hd_init_bwct_usb: setting contrast failed");
@@ -183,9 +183,9 @@ hd_init_bwct_usb (Driver *drvthis)
void
bwct_usb_HD44780_senddata(PrivateData *p, unsigned char displayID, unsigned char flags, unsigned char ch)
{
int type = (flags == RS_DATA) ? VENDOR_LCD_DATA : VENDOR_LCD_CMD;
int type = (flags == RS_DATA) ? BWCT_LCD_DATA : BWCT_LCD_CMD;
usb_control_msg(bwct_usb, USB_TYPE_VENDOR, type, ch, bwct_usb_i, NULL, 0, 1000);
usb_control_msg(bwct_usb, USB_TYPE_VENDOR, type, ch, bwct_usb_i, NULL, 0, 1000);
}
@@ -200,3 +200,15 @@ bwct_usb_HD44780_scankeypad(PrivateData *p)
{
return 0;
}
void
bwct_usb_HD44780_close(PrivateData *p)
{
if (bwct_usb != NULL) {
usb_close(bwct_usb);
bwct_usb = NULL;
}
}
/* EOF */