TFT.h

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#ifndef __TFT_H__
#define __TFT_H__

#include "bcm2835.h"

#define NOP                             0x00
#define SWRESET                         0x01
#define RDDID                           0x04        //4 arguments
#define RDDST                           0x09
#define RDDPM                           0x0A
#define RDDMADCTL                       0x0B        // Read Display MADCTL
#define RDDCOLMOD                       0x0C        // Read Display Pixel Format
#define RDDIM                           0x0D        // Read Display Image Mode
#define RDDSM                           0x0E        // Read Display Signal Mode
#define RDDSDR                          0x0F        // Read Display Self-Diagnostic Result
#define SLEEP_IN                        0x10
#define SLEEP_OUT                       0x11
#define PTLON                           0x12        // Partial Display Mode On
#define NORON                           0x13        // Normal Display Mode On
#define INVOFF                          0x20
#define INVON                           0x21        // Display Inversion On
#define GAMSET                          0x26        // Gamma Set
#define DISPOFF                         0x28
#define DISPON                          0x29
#define CASET                           0x2A
#define RASET                           0x2B
#define RAMWR                           0x2C
#define RGBSET                          0x2D        //Color set 
#define RAMRD                           0x2E
#define PTLAR                           0x30
#define SCRLAR                          0x33        // Scroll Area Set 
#define TEOFF                           0x34
#define TEON                            0x35
#define MADCTL                          0x36
#define VSCSAD                          0x37        // Vertical Scroll Start Address of RAM
#define IDLE_MODE_OFF                   0x38
#define IDLE_MODE_ON                    0x39
#define COLMOD                          0x3A        // Interface Pixel Format
#define RDID1                           0xDA
#define RDID2                           0xDB
#define RDID3                           0xDC        // Read ID3 Value

#define FRMCTR1                         0xB1        // Frame Rate Control (In normal mode/ Full colors) 
#define FRMCTR2                         0xB2        // Frame Rate Control (In Idle mode/ 8-colors)
#define FRMCTR3                         0xB3        // Frame Rate Control (In Partial mode/ full colors)
#define INVCTR                          0xB4        // Display Inversion Control
#define DISSET5                         0xB6 
#define PWCTR1                          0xC0
#define PWCTR2                          0xC1
#define PWCTR3                          0xC2
#define PWCTR4                          0xC3
#define PWCTR5                          0xC4
#define VMCTR1                          0xC5
#define VMOFCTR                         0xC7
#define WRID2                           0xD1
#define WRID3                           0xD2
#define NVFCTR1                         0xD9        // NVM Control Status
#define NVFCTR2                         0xDE
#define NVFCTR3                         0xDF
#define GMCTRP1                         0xE0        // Gamma (‘+’polarity) Correction Characteristics Setting .
#define GMCTRN1                         0xE1        // Gamma ‘-’polarity Correction Characteristics Setting
#define GCV                             0xFC        // Gate Pump Clock Frequency Variable

#define DUMMY                           0xff

/******************************************************************************/

#define MADCTL_MY  0x80
#define MADCTL_MX  0x40
#define MADCTL_MV  0x20
#define MADCTL_ML  0x10
#define MADCTL_MH  0x04

/*
 * B5 is increment direction when 0 page incement is horizontal when 1 vertical
 */
#define MADCTL_M1   0x00
#define MADCTL_M2   0b10000000
#define MADCTL_M3   0b01000000
#define MADCTL_M4   0b11000000
#define MADCTL_M5   0b00100000
#define MADCTL_M6   0b10100000
#define MADCTL_M7   0b01100000
#define MADCTL_M8   0b11100000

#define MADCTL_RGB 0x00
#define MADCTL_BGR 0x08

/******************************************************************************/
#define WIDTH   0x7F        
#define HEIGHT  0x9F        
/******************************Colors******************************************/
#define RED     0xf800      
#define GREEN   0x07e0      
#define BLUE    0x001f      
#define WHITE   0xffff      
#define BLACK   0x0000      
#define YELLOW  0xFFE0      
#define GRAY0   0xEF7D      
#define GRAY1   0x8410      
#define GRAY2   0x4208      
#define BLACK   0x0000      
#define MAROON  0x8000      
#define OLIVE   0x8400      
#define NAVY    0x0010      
#define PURPLE  0x8010      
/******************************************************************************/

#define CS_OUTPUT()     bcm2835_gpio_fsel(RPI_V2_GPIO_P1_24,BCM2835_GPIO_FSEL_OUTP);    //Set GPIO24 as output
#define CS_LOW()        bcm2835_gpio_write(RPI_V2_GPIO_P1_24, LOW);
#define CS_HIGH()       bcm2835_gpio_write(RPI_V2_GPIO_P1_24, HIGH);

#define DC_OUTPUT()     bcm2835_gpio_fsel(RPI_V2_GPIO_P1_22,BCM2835_GPIO_FSEL_OUTP);    //Set 
#define DC_LOW()        bcm2835_gpio_write(RPI_V2_GPIO_P1_22, LOW);
#define DC_HIGH()       bcm2835_gpio_write(RPI_V2_GPIO_P1_22, HIGH);

#define RST_OUTPUT()    bcm2835_gpio_fsel(RPI_V2_GPIO_P1_16,BCM2835_GPIO_FSEL_OUTP);    //Set GPIO23 as output
#define RST_LOW()       bcm2835_gpio_write(RPI_V2_GPIO_P1_16, LOW);
#define RST_HIGH()      bcm2835_gpio_write(RPI_V2_GPIO_P1_16, HIGH);


typedef enum {  PORTRAIT=0,                 
                PORTRAIT_REF=2,             
                PORTRAIT_INV_REF=3,         
                PORTRAIT_INV=5,             
                LANDSCAPE=6,                
                LANDSCAPE_INV=4,            
                LANDSCAPE_REF=1,            
                LANDSCAPE_INV_REF=7
} orientation_t;    
typedef struct _Image
{
    unsigned int *picture;          
    unsigned char width;            
    unsigned char height;           
}Image_t;

void            TFT_Initialize(void);
void            TFT_WriteCommand(unsigned char command);
void            TFT_WriteData(unsigned char datab);
void            TFT_WriteDataWord(int wdata);
void            TFT_RamAdress(void);

void            TFT_SetPixel(unsigned char x_start,unsigned char y_start,unsigned int color);
void            TFT_Sleep(void);
void            TFT_WakeUp(void);
void            TFT_TurnOffDisplay(void);
void            TFT_TurnOnDisplay(void);
void            TFT_SetOrientation(orientation_t mode);

void            TFT_InvertDisplay(void);
void            TFT_InvertDisplayOff(void);
void            TFT_Background(int color);

void            TFT_ShowPic(unsigned int picture[],unsigned char width, unsigned char height, unsigned int x, unsigned int y);
void            TFT_DisplayImage(Image_t *image, unsigned char x, unsigned char y);
unsigned int    TFT_Color565(unsigned char r, unsigned char g, unsigned char b);

void            TFT_ASCII(char x, char y, int color, int background, char letter, char size);
void            TFT_PrintString(char x, char y, int color, int background, char * message, char size);
void            TFT_PrintInteger(char x, char y, int color, int background,int integer, char size);
#endif