new ConnectionType lcd2usb in hd44780 driver

2007-03-31 12:43:27 +00:00
parent 9f70890432
commit 4839321569
12 changed files with 301 additions and 33 deletions
@@ -0,0 +1,46 @@
+#ifndef HD_LCD2USB_H
+#define HD_LCD2USB_H
+
+#include "lcd.h"		/* for Driver */
+#include "hd44780-low.h"
+
+/* vendor and product id */
+#define LCD2USB_VENDORID	0x0403
+#define LCD2USB_PRODUCTID	0xc630
+
+/* target is a bit map for CMD/DATA */
+#define LCD2USB_CTRL_0		(1<<3)
+#define LCD2USB_CTRL_1		(1<<4)
+#define LCD2USB_CTRL_BOTH	(LCD_CTRL_0 | LCD_CTRL_1)
+
+#define LCD2USB_ECHO		(0<<5)
+#define LCD2USB_CMD		(1<<5)
+#define LCD2USB_DATA		(2<<5)
+#define LCD2USB_SET		(3<<5)
+#define LCD2USB_GET		(4<<5)
+
+/* target is value to set */
+#define LCD2USB_SET_CONTRAST	(LCD2USB_SET | (0<<3))
+#define LCD2USB_SET_BRIGHTNESS	(LCD2USB_SET | (1<<3))
+#define LCD2USB_SET_RESERVED0	(LCD2USB_SET | (2<<3))
+#define LCD2USB_SET_RESERVED1	(LCD2USB_SET | (3<<3))
+
+/* target is value to get */
+#define LCD2USB_GET_FWVER	(LCD2USB_GET | (0<<3))
+#define LCD2USB_GET_KEYS	(LCD2USB_GET | (1<<3))
+#define LCD2USB_GET_CTRL	(LCD2USB_GET | (2<<3))
+#define LCD2USB_GET_RESERVED1	(LCD2USB_GET | (3<<3))
+
+#define DEFAULT_CONTRAST	300
+#define DEFAULT_BRIGHTNESS	600
+#define DEFAULT_OFFBRIGHTNESS	300
+
+// initialise this particular driver
+int hd_init_lcd2usb(Driver *drvthis);
+
+void lcd2usb_HD44780_senddata(PrivateData *p, unsigned char displayID, unsigned char flags, unsigned char ch);
+void lcd2usb_HD44780_backlight(PrivateData *p, unsigned char state);
+unsigned char lcd2usb_HD44780_scankeypad(PrivateData *p);
+void lcd2usb_HD44780_close(PrivateData *p);
+
+#endif