aiie/teensy/teensy-display.h

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#ifndef __TEENSY_DISPLAY_H
#define __TEENSY_DISPLAY_H
#include <Arduino.h>
#include "physicaldisplay.h"
#define TEENSY_DHEIGHT 192
#define TEENSY_DWIDTH 280
// run length of one row of pixels
#define TEENSY_DRUN (TEENSY_DWIDTH/2)
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#define regtype volatile uint8_t
#define regsize uint8_t
#define cbi(reg, bitmask) *reg &= ~bitmask
#define sbi(reg, bitmask) *reg |= bitmask
#define pulse_high(reg, bitmask) { sbi(reg, bitmask); cbi(reg, bitmask); }
#define pulse_low(reg, bitmask) { cbi(reg, bitmask); sbi(reg, bitmask); }
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#define cport(port, data) port &= data
#define sport(port, data) port |= data
#define swap(type, i, j) {type t = i; i = j; j = t;}
class UTFT;
class BIOS;
class TeensyDisplay : public PhysicalDisplay {
friend class BIOS;
public:
TeensyDisplay();
virtual ~TeensyDisplay();
virtual void blit(AiieRect r);
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virtual void redraw();
virtual void clrScr();
virtual void flush() {};
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virtual void drawCharacter(uint8_t mode, uint16_t x, uint8_t y, char c);
virtual void drawString(uint8_t mode, uint16_t x, uint8_t y, const char *str);
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virtual void drawImageOfSizeAt(const uint8_t *img, uint16_t sizex, uint8_t sizey, uint16_t wherex, uint8_t wherey);
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virtual void cacheDoubleWidePixel(uint16_t x, uint16_t y, uint8_t color);
virtual void cache2DoubleWidePixels(uint16_t x, uint16_t y, uint8_t colorA, uint8_t colorB);
virtual void cachePixel(uint16_t x, uint16_t y, uint8_t color);
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protected:
void moveTo(uint16_t col, uint16_t row);
void drawNextPixel(uint16_t color);
private:
regtype *P_RS, *P_WR, *P_CS, *P_RST, *P_SDA, *P_SCL, *P_ALE;
regsize B_RS, B_WR, B_CS, B_RST, B_SDA, B_SCL, B_ALE;
uint8_t fch, fcl; // high and low foreground colors
void _fast_fill_16(int ch, int cl, long pix);
void setYX(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2);
void clrXY();
void setColor(byte r, byte g, byte b);
void setColor(uint16_t color);
void fillRect(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2);
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virtual void drawPixel(uint16_t x, uint16_t y);
virtual void drawPixel(uint16_t x, uint16_t y, uint16_t color);
virtual void drawPixel(uint16_t x, uint16_t y, uint8_t r, uint8_t g, uint8_t b);
virtual void drawUIPixel(uint16_t x, uint16_t y, uint16_t color);
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inline void LCD_Writ_Bus(uint8_t VH,uint8_t VL) __attribute__((always_inline));
inline void LCD_Write_COM(uint8_t VL) __attribute__((always_inline));
inline void LCD_Write_DATA(uint8_t VH,uint8_t VL) __attribute__((always_inline));
inline void LCD_Write_DATA(uint8_t VL) __attribute__((always_inline));
inline void LCD_Write_COM_DATA(uint8_t com1,uint16_t dat1) __attribute__((always_inline));
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bool needsRedraw;
bool driveIndicator[2];
bool driveIndicatorDirty;
// video buffer is 4bpp
uint8_t videoBuffer[TEENSY_DHEIGHT * TEENSY_DWIDTH / 2];
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};
#endif