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#ifndef __CPHIDGETTEXTLCD
#define __CPHIDGETTEXTLCD
#include "cphidget.h"
/** \defgroup phidtextlcd Phidget TextLCD
* \ingroup phidgets
* Calls specific to the Phidget Text LCD. See the product manual for more specific API details, supported functionality, units, etc.
* @{
*/
DPHANDLE(TextLCD)
CHDRSTANDARD(TextLCD)
/**
* Gets the number of rows supported by this display.
* @param phid An attached phidget text lcd handle.
* @param count The row count.
*/
CHDRGET(TextLCD,RowCount,int *count)
/**
* Gets the number of columns per supported by this display.
* @param phid An attached phidget text lcd handle.
* @param count The Column count.
*/
CHDRGET(TextLCD,ColumnCount,int *count)
/**
* Gets the state of the backlight.
* @param phid An attached phidget text lcd handle.
* @param backlightState The backlight state. Possible values are \ref PTRUE and \ref PFALSE.
*/
CHDRGET(TextLCD,Backlight,int *backlightState)
/**
* Sets the state of the backlight.
* @param phid An attached phidget text lcd handle.
* @param backlightState The backlight state. Possible values are \ref PTRUE and \ref PFALSE.
*/
CHDRSET(TextLCD,Backlight,int backlightState)
/**
* Gets the brightness of the backlight. Not supported on all TextLCDs
* @param phid An attached phidget text lcd handle.
* @param brightness The backlight brightness (0-255).
*/
CHDRGET(TextLCD,Brightness,int *brightness)
/**
* Sets the brightness of the backlight. Not supported on all TextLCDs
* @param phid An attached phidget text lcd handle.
* @param brightness The backlight brightness (0-255).
*/
CHDRSET(TextLCD,Brightness,int brightness)
/**
* Gets the last set contrast value.
* @param phid An attached phidget text lcd handle.
* @param contrast The contrast (0-255).
*/
CHDRGET(TextLCD,Contrast,int *contrast)
/**
* Sets the last set contrast value.
* @param phid An attached phidget text lcd handle.
* @param contrast The contrast (0-255).
*/
CHDRSET(TextLCD,Contrast,int contrast)
/**
* Gets the cursor visible state.
* @param phid An attached phidget text lcd handle.
* @param cursorState The state of the cursor.
*/
CHDRGET(TextLCD,CursorOn,int *cursorState)
/**
* Sets the cursor visible state.
* @param phid An attached phidget text lcd handle.
* @param cursorState The state of the cursor.
*/
CHDRSET(TextLCD,CursorOn,int cursorState)
/**
* Gets the cursor blink state.
* @param phid An attached phidget text lcd handle.
* @param cursorBlinkState The cursor blink state.
*/
CHDRGET(TextLCD,CursorBlink,int *cursorBlinkState)
/**
* Sets the cursor blink state.
* @param phid An attached phidget text lcd handle.
* @param cursorBlinkState The cursor blink state.
*/
CHDRSET(TextLCD,CursorBlink,int cursorBlinkState)
/**
* Sets a custom character. See the product manual for more information.
* @param phid An attached phidget text lcd handle.
* @param index The custom character index (8-15).
* @param var1 The first part of the custom character.
* @param var2 The second part of the custom character.
*/
CHDRSETINDEX(TextLCD,CustomCharacter,int var1,int var2)
/**
* Sets a single character on the display.
* @param phid An attached phidget text lcd handle.
* @param index The row index.
* @param column The column index.
* @param character The character to display.
*/
CHDRSETINDEX(TextLCD,DisplayCharacter,int column,unsigned char character)
/**
* Sets a row on the display.
* @param phid An attached phidget text lcd handle.
* @param index The row index.
* @param displayString The string to display. Make sure this is not longer then \ref CPhidgetTextLCD_getColumnCount.
*/
CHDRSETINDEX(TextLCD,DisplayString,char *displayString)
/**
* The Phidget TextLCD Adapter supports these screen sizes
*/
typedef enum {
PHIDGET_TEXTLCD_SCREEN_NONE = 1,/**< no screen attached */
PHIDGET_TEXTLCD_SCREEN_1x8, /**< 1 row, 8 column screen */
PHIDGET_TEXTLCD_SCREEN_2x8, /**< 2 row, 8 column screen */
PHIDGET_TEXTLCD_SCREEN_1x16, /**< 1 row, 16 column screen */
PHIDGET_TEXTLCD_SCREEN_2x16, /**< 2 row, 16 column screen */
PHIDGET_TEXTLCD_SCREEN_4x16, /**< 4 row, 16 column screen */
PHIDGET_TEXTLCD_SCREEN_2x20, /**< 2 row, 20 column screen */
PHIDGET_TEXTLCD_SCREEN_4x20, /**< 4 row, 20 column screen */
PHIDGET_TEXTLCD_SCREEN_2x24, /**< 2 row, 24 column screen */
PHIDGET_TEXTLCD_SCREEN_1x40, /**< 1 row, 40 column screen */
PHIDGET_TEXTLCD_SCREEN_2x40, /**< 2 row, 40 column screen */
PHIDGET_TEXTLCD_SCREEN_4x40, /**< 4 row, 40 column screen (special case, requires both screen connections) */
PHIDGET_TEXTLCD_SCREEN_UNKNOWN
} CPhidgetTextLCD_ScreenSize;
/**
* Gets the number of Display supported by this TextLCD
* @param phid An attached phidget text lcd handle.
* @param count The Screen count.
*/
CHDRGET(TextLCD,ScreenCount,int *count)
/**
* Gets the active screen.
* @param phid An attached phidget text lcd handle.
* @param screenIndex The active screen.
*/
CHDRGET(TextLCD,Screen,int *screenIndex)
/**
* Sets the active screen. This is the screen that all subsequent API calls will apply to.
* @param phid An attached phidget text lcd handle.
* @param screenIndex The active screen.
*/
CHDRSET(TextLCD,Screen,int screenIndex)
/**
* Gets the screen size.
* @param phid An attached phidget text lcd handle.
* @param screenSize The screen size.
*/
CHDRGET(TextLCD,ScreenSize,CPhidgetTextLCD_ScreenSize *screenSize)
/**
* Sets the active screen size. Only supported on the TextLCD Adapter.
* @param phid An attached phidget text lcd handle.
* @param screenSize The screen size.
*/
CHDRSET(TextLCD,ScreenSize,CPhidgetTextLCD_ScreenSize screenSize)
/**
* Initializes the active screen. Only supported on the TextLCD adapter.
* This should be called if a screen is attached after power up, or to clear the screen after
* setting the size.
* @param phid An attached phidget text lcd handle.
*/
PHIDGET21_API int CCONV CPhidgetTextLCD_initialize(CPhidgetTextLCDHandle phid);
#ifndef REMOVE_DEPRECATED
DEP_CHDRGET("Deprecated - use CPhidgetTextLCD_getRowCount",TextLCD,NumRows,int *)
DEP_CHDRGET("Deprecated - use CPhidgetTextLCD_getColumnCount",TextLCD,NumColumns,int *)
#endif
#ifndef EXTERNALPROTO
#define TEXTLCD_MAXROWS 2
#define TEXTLCD_MAXCOLS 40
#define TEXTLCD_MAXSCREENS 2
#define TEXTLCD_CURSOR_PACKET 0x00
#define TEXTLCD_BACKLIGHT_PACKET 0x11
#define TEXTLCD_CONTRAST_PACKET 0x12
#define TEXTLCD_INIT_PACKET 0x13
#define TEXTLCD_SCREEN(x) (x << 5)
#define TEXTLCD_CGRAM_ADDR(x) (x << 3) //each custom character takes 8 bytes of CGRAM storage
#define TEXTLCD_ESCAPE_CHAR 0x00
#define TEXTLCD_COMMAND_MODE 0x01
#define TEXTLCD_DATA_MODE 0x02
//HD44780 commands
#define HD44780_CLEAR_DISPLAY 0x01
#define HD44780_CURSOR_HOME 0x02
//These are ORed together
#define HD44780_DISPLAY_CNTRL 0x08
#define HD44780_DISPLAY_ON 0x04
#define HD44780_CURSOR_ON 0x02
#define HD44780_CURSOR_BLINK_ON 0x01
#define HD44780_SET_CGRAM_ADDR 0x40
#define HD44780_SET_DDRAM_ADDR 0x80
struct _CPhidgetTextLCD {
CPhidget phid;
int currentScreen;
int lastScreen;
unsigned char cursorOn[TEXTLCD_MAXSCREENS], cursorBlink[TEXTLCD_MAXSCREENS], backlight[TEXTLCD_MAXSCREENS];
int contrast[TEXTLCD_MAXSCREENS], brightness[TEXTLCD_MAXSCREENS];
int cursorLocation[TEXTLCD_MAXSCREENS], cursorColumn[TEXTLCD_MAXSCREENS];
unsigned char backlightEcho[TEXTLCD_MAXSCREENS];
int contrastEcho[TEXTLCD_MAXSCREENS], brightnessEcho[TEXTLCD_MAXSCREENS];
unsigned char fullStateEcho;
//used for network sets
char *customs[TEXTLCD_MAXSCREENS][16];
char chars[TEXTLCD_MAXSCREENS][TEXTLCD_MAXROWS * TEXTLCD_MAXCOLS];
char *strings[TEXTLCD_MAXSCREENS][TEXTLCD_MAXROWS];
//For TextLCD Adapter
int rowCount[TEXTLCD_MAXSCREENS], columnCount[TEXTLCD_MAXSCREENS];
CPhidgetTextLCD_ScreenSize screenSize[TEXTLCD_MAXSCREENS];
unsigned char init[TEXTLCD_MAXSCREENS];
unsigned char outputPacket[8];
unsigned int outputPacketLen;
} typedef CPhidgetTextLCDInfo;
#endif
/** @} */
#endif
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