#ifndef GLCD_H
#define GLCD_H

#include <ch.h>			// types
#include <hal.h>

#define SCREEN_WIDTH	320
#define SCREEN_HEIGHT	240

/* uncomment if no board.h file used 
#define LCD_DATA_PORT       GPIOE
#define LCD_CMD_PORT        GPIOD
#define LCD_CS              12
#define LCD_RS              13
#define LCD_WR              14
#define LCD_RD              15
*/

#define Set_CS			LCD_CMD_PORT->ODR  |= (1 << LCD_CS);
#define Clr_CS			LCD_CMD_PORT->ODR  &= ~(1 << LCD_CS);
#define Set_RS			LCD_CMD_PORT->ODR  |= (1 << LCD_RS);
#define Clr_RS			LCD_CMD_PORT->ODR  &= ~(1 << LCD_RS);
#define Set_WR			LCD_CMD_PORT->ODR  |= (1 << LCD_WR);
#define Clr_WR			LCD_CMD_PORT->ODR  &= ~(1 << LCD_WR);
#define Set_RD			LCD_CMD_PORT->ODR  |= (1 << LCD_RD);
#define Clr_RD			LCD_CMD_PORT->ODR  &= ~(1 << LCD_RD);

/* LCD color */
#define White          0xFFFF
#define Black          0x0000
#define Grey           0xF7DE
#define Blue           0x001F
#define Blue2          0x051F
#define Red            0xF800
#define Magenta        0xF81F
#define Green          0x07E0
#define Cyan           0x7FFF
#define Yellow         0xFFE0

#define RGB565CONVERT(red, green, blue)\
(uint16_t)( (( red   >> 3 ) << 11 ) | \
(( green >> 2 ) << 5  ) | \
( blue  >> 3 ))

enum orientation {portrait = 0, landscape = 1};

void lcdInit(void);
void lcdClear(uint16_t color);
void lcdTest(void);
uint16_t lcdBGR2RGB(uint16_t color);
uint16_t lcdGetPoint(uint16_t x,uint16_t y);
void lcdSetOrientation(uint8_t newOrientation);
void lcdDrawPixel(uint16_t x,uint16_t y,uint16_t point);
void lcdDrawLine(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color);
void lcdDrawRect(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint8_t filled, uint16_t color);
void lcdDrawCircle(uint16_t x, uint16_t y, uint16_t radius, uint8_t filled, uint16_t color);
void lcdFillArea(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color);
void lcdFillArea2(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color);
void lcdSetWindows(uint16_t xStart,uint16_t yStart,uint16_t xLong,uint16_t yLong);
void lcdString(uint16_t x, uint16_t y, uint8_t *str,uint16_t color, uint16_t bkcolor);
void lcdChar(uint16_t x, uint16_t y, unsigned char c, uint16_t charcolor, uint16_t bkcolor);

#endif