Behrooz Abdi
Landtiger (LPC1768) graphics LCD demo.
Diff: GLCD.h
- Revision:
- 3:2dccfa0121de
- Parent:
- 2:43ede88fb5a3
- Child:
- 4:cdeea87f25d8
--- a/GLCD.h Tue Nov 06 21:39:33 2012 +0000
+++ b/GLCD.h Fri Oct 30 01:26:40 2015 +0000
@@ -13,7 +13,7 @@
/*------------------------------------------------------------------------------
Color coding
- GLCD is coded: 15..11 red, 10..5 green, 4..0 blue (unsigned short) GLCD_R5, GLCD_G6, GLCD_B5
+ GLCD is coded: 15..11 red, 10..5 green, 4..0 blue (uint16_t) GLCD_R5, GLCD_G6, GLCD_B5
original coding: 17..12 red, 11..6 green, 5..0 blue ORG_R6, ORG_G6, ORG_B6
ORG_R1..5 = GLCD_R0..4, ORG_R0 = GLCD_R4
@@ -59,53 +59,43 @@
#define ST7781_ID 0x7783
-#if(0)
-/* GLCD Exported functions */
-extern void GLCD_Init (void);
-extern unsigned short GLCD_DriverCode ();
-extern void GLCD_WindowMax (void);
-extern void GLCD_PutPixel (unsigned int x, unsigned int y);
-extern void GLCD_SetTextColor (unsigned short color);
-extern void GLCD_SetBackColor (unsigned short color);
-extern void GLCD_clearScreen (unsigned short color);
-extern void GLCD_DrawChar (unsigned int x, unsigned int y, unsigned short *c);
-extern void GLCD_DisplayChar (unsigned int ln, unsigned int col, unsigned char c);
-extern void GLCD_DisplayString (unsigned int ln, unsigned int col, unsigned char *s);
-extern void GLCD_ClearLn (unsigned int ln);
-extern void GLCD_Bargraph (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned int val);
-extern void GLCD_Bitmap (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned char *bitmap);
-extern void GLCD_Bmp (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned char *bmp);
+class GLCD : public Stream {
+//class GLCD {
+ public:
+ GLCD(void);
+ void init (void);
+
+ // Stream implementation - provides printf() interface
+ // You would otherwise be forced to use writeChar()
+ virtual int _putc(int value) { writeChar(value); return 1;};
+ virtual int _getc() { return -1; };
+
+ void setWindowMax (void);
+ void setWindow (int x1, int y1, int x2, int y2);
+ void drawPixel (unsigned int x, unsigned int y);
+ void drawPixel (unsigned int x, unsigned int y, uint16_t color);
+ void drawPixel (unsigned int x, unsigned int y, uint8_t r, uint8_t g, uint8_t b);
+
+ void setColor (uint16_t color);
+ void setColor (uint8_t r, uint8_t g, uint8_t b);
+ void setBackColor (uint16_t color);
+ void setBackColor (uint8_t r, uint8_t g, uint8_t b);
-extern void GLCD_drawHLine (int x, int y, int l);
-extern void GLCD_drawVLine (int x, int y, int l);
-extern void GLCD_drawRect (int x1, int y1, int x2, int y2);
-#endif
+ void clearScreen (uint16_t color);
-class GLCD {
- public:
- GLCD(void);
- void Init (void);
- void WindowMax (void);
- void Window (int x1, int y1, int x2, int y2);
- void drawPixel (unsigned int x, unsigned int y);
- void drawPixel (unsigned int x, unsigned int y, unsigned short color);
- void drawPixel (unsigned int x, unsigned int y, uint8_t r, uint8_t g, uint8_t b);
-
- void setColor (unsigned short color);
- void setColor (uint8_t r, uint8_t g, uint8_t b);
- void setBackColor (unsigned short color);
- void setBackColor (uint8_t r, uint8_t g, uint8_t b);
-
- void clearScreen (unsigned short color);
-
- void DrawChar (unsigned int x, unsigned int y, unsigned short *c);
- void DisplayChar (unsigned int ln, unsigned int col, unsigned char c);
- void DisplayString (unsigned int ln, unsigned int col, unsigned char *s);
- void ClearLn (unsigned int ln);
+/** @brief Write single character to the display using the 8x8 fontable
+ * @brief Start at current cursor location
+ * @param char chr character to write
+*/
+ void writeChar (uint8_t chr);
+ void DrawChar (unsigned int x, unsigned int y, uint16_t *c);
+ void DisplayChar (uint16_t ln, uint16_t col, uint8_t c);
+ void DisplayString (uint16_t ln, uint16_t col, uint8_t *s);
+ void ClearLn (uint16_t ln);
void Bargraph (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned int val);
- void Bitmap (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned char *bitmap);
- void Bmp (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned char *bmp);
+ void Bitmap (unsigned int x, unsigned int y, unsigned int w, unsigned int h, uint8_t *bitmap);
+ void Bmp (unsigned int x, unsigned int y, unsigned int w, unsigned int h, uint8_t *bmp);
void drawHLine (int x, int y, int l);
void drawVLine (int x, int y, int l);
@@ -119,27 +109,28 @@
void lcdOff();
void lcdOn();
- void setContrast(char c);
+ void invertDisplay(bool i);
+ void setContrast(uint8_t c);
int getDisplayXSize();
int getDisplayYSize();
- unsigned short getDriverCode ();
-
- unsigned short _textColor, _backColor;
+ uint16_t getDriverCode ();
private:
- static __inline unsigned char lcd_send (unsigned short data);
- static __inline unsigned short lcd_read (void);
- static __inline void wr_cmd (unsigned char c);
- static __inline void wr_dat (unsigned short c);
- static __inline unsigned short rd_dat (void);
- static __inline void wr_dat_start (void);
- static __inline void wr_dat_stop (void);
- static __inline void wr_dat_only (unsigned short c);
- static __inline void wr_reg (unsigned char reg, unsigned short val);
- static __inline unsigned short rd_reg (unsigned short reg);
+ static __inline uint8_t _lcd_send (uint16_t data);
+ static __inline uint16_t _lcd_read (void);
+ static __inline void _wr_cmd (uint16_t c);
+ static __inline void _wr_dat (uint16_t c);
+ static __inline uint16_t _rd_dat (void);
+ static __inline void _wr_dat_start (void);
+ static __inline void _wr_dat_stop (void);
+ static __inline void _wr_dat_only (uint16_t c);
+ static __inline void _wr_reg (uint16_t reg, uint16_t val);
+ static __inline uint16_t _rd_reg (uint16_t reg);
- unsigned short _driverCode;
+ uint16_t _driverCode;
+ uint16_t _textColor, _backColor;
+ uint16_t _col, _ln;
};
#endif /* _GLCD_H */