#ifndef _TFTLCD_FUNCTIONS_H_
#define _TFTLCD_FUNCTIONS_H_
#define TFTLCD_RST_LOW LPC_GPIO1->FIOCLR=1<<10;
#define TFTLCD_RST_HIGH LPC_GPIO1->FIOSET=1<<10;
#define TFTLCD_RS_LOW LPC_GPIO1->FIOCLR=1<<8;
#define TFTLCD_RS_HIGH LPC_GPIO1->FIOSET=1<<8;
#define TFTLCD_CS_LOW LPC_GPIO1->FIOCLR=1<<9;
#define TFTLCD_CS_HIGH LPC_GPIO1->FIOSET=1<<9;
#define TFTLCD_RD_LOW LPC_GPIO1->FIOCLR=1<<1;
#define TFTLCD_RD_HIGH LPC_GPIO1->FIOSET=1<<1;
#define TFTLCD_WR_LOW LPC_GPIO1->FIOCLR=1<<4;
#define TFTLCD_WR_HIGH LPC_GPIO1->FIOSET=1<<4;
/* LCD Command Codes */
#define TS_INS_START_OSC 0x00
#define TS_INS_DRIV_OUT_CTRL 0x01
#define TS_INS_DRIV_WAV_CTRL 0x02
#define TS_INS_ENTRY_MOD 0x03
#define TS_INS_RESIZE_CTRL 0x04
#define TS_INS_DISP_CTRL1 0x07
#define TS_INS_DISP_CTRL2 0x08
#define TS_INS_DISP_CTRL3 0x09
#define TS_INS_DISP_CTRL4 0x0A
#define TS_INS_RGB_DISP_IF_CTRL1 0x0C
#define TS_INS_FRM_MARKER_POS 0x0D
#define TS_INS_RGB_DISP_IF_CTRL2 0x0F
#define TS_INS_POW_CTRL1 0x10
#define TS_INS_POW_CTRL2 0x11
#define TS_INS_POW_CTRL3 0x12
#define TS_INS_POW_CTRL4 0x13
#define TS_INS_GRAM_HOR_AD 0x20
#define TS_INS_GRAM_VER_AD 0x21
#define TS_INS_RW_GRAM 0x22
#define TS_INS_POW_CTRL7 0x29
#define TS_INS_FRM_RATE_COL_CTRL 0x2B
#define TS_INS_GAMMA_CTRL1 0x30
#define TS_INS_GAMMA_CTRL2 0x31
#define TS_INS_GAMMA_CTRL3 0x32
#define TS_INS_GAMMA_CTRL4 0x35
#define TS_INS_GAMMA_CTRL5 0x36
#define TS_INS_GAMMA_CTRL6 0x37
#define TS_INS_GAMMA_CTRL7 0x38
#define TS_INS_GAMMA_CTRL8 0x39
#define TS_INS_GAMMA_CTRL9 0x3C
#define TS_INS_GAMMA_CTRL10 0x3D
#define TS_INS_HOR_START_AD 0x50
#define TS_INS_HOR_END_AD 0x51
#define TS_INS_VER_START_AD 0x52
#define TS_INS_VER_END_AD 0x53
#define TS_INS_GATE_SCAN_CTRL1 0x60
#define TS_INS_GATE_SCAN_CTRL2 0x61
#define TS_INS_GATE_SCAN_CTRL3 0x6A
#define TS_INS_PART_IMG1_DISP_POS 0x80
#define TS_INS_PART_IMG1_START_AD 0x81
#define TS_INS_PART_IMG1_END_AD 0x82
#define TS_INS_PART_IMG2_DISP_POS 0x83
#define TS_INS_PART_IMG2_START_AD 0x84
#define TS_INS_PART_IMG2_END_AD 0x85
#define TS_INS_PANEL_IF_CTRL1 0x90
#define TS_INS_PANEL_IF_CTRL2 0x92
#define TS_INS_PANEL_IF_CTRL3 0x93
#define TS_INS_PANEL_IF_CTRL4 0x95
#define TS_INS_PANEL_IF_CTRL5 0x97
#define TS_INS_PANEL_IF_CTRL6 0x98
#define TS_SIZE_X 240
#define TS_SIZE_Y 320
#define TS_VAL_ENTRY_MOD 0x0030
#define TS_INS_GRAM_ADX TS_INS_GRAM_HOR_AD
#define TS_INS_GRAM_ADY TS_INS_GRAM_VER_AD
#define TS_INS_START_ADX TS_INS_HOR_START_AD
#define TS_INS_END_ADX TS_INS_HOR_END_AD
#define TS_INS_START_ADY TS_INS_VER_START_AD
#define TS_INS_END_ADY TS_INS_VER_END_AD
#define RED 0x001F
#define GREEN 0x07E0
#define BLUE 0xF800
#define YELLOW 0x07FF
#define PURPLE 0xF81F
#define BLACK 0x0000
#define WHITE 0xFFFF
#define HIGH 1
#define LOW 0
//***************************************************************
void tftlcd_write_index_register(int command)
{
TFTLCD_RS_LOW;
LPC_GPIO1->FIOCLR=0xffff<<14;
LPC_GPIO1->FIOSET=command<<14;
TFTLCD_CS_LOW;
TFTLCD_CS_HIGH;
LPC_GPIO1->FIOCLR=0xffff<<14;
TFTLCD_RS_HIGH;
}
//***************************************************************
void tftlcd_write_wdr(int data)
{
LPC_GPIO1->FIOCLR=0xffff<<14;
LPC_GPIO1->FIOSET=data<<14;
TFTLCD_CS_LOW;
TFTLCD_CS_HIGH;
}
//***************************************************************
void tftlcd_write_command(int index,int argument)
{
tftlcd_write_index_register(index);
tftlcd_write_wdr(argument);
}
//***************************************************************
void tftlcd_clear(int co)
{
int counter;
tftlcd_write_index_register(TS_INS_START_ADX);
tftlcd_write_wdr(0);
tftlcd_write_index_register(TS_INS_END_ADX);
tftlcd_write_wdr(239);
tftlcd_write_index_register(TS_INS_GRAM_ADX);
tftlcd_write_wdr(0);
tftlcd_write_index_register(TS_INS_START_ADY);
tftlcd_write_wdr(0);
tftlcd_write_index_register(TS_INS_END_ADY);
tftlcd_write_wdr(319);
tftlcd_write_index_register(TS_INS_GRAM_ADY);
tftlcd_write_wdr(319);
tftlcd_write_index_register(TS_INS_RW_GRAM);
for(counter = 0;counter < 76800;counter++)
tftlcd_write_wdr(co);
}
//***************************************************************
void tftlcd_init(void)
{
TFTLCD_RST_HIGH;
TFTLCD_CS_HIGH;
TFTLCD_RD_HIGH;
TFTLCD_WR_LOW;
// Reset LCD Chipset
TFTLCD_RST_LOW;
delay_ms(50);
TFTLCD_RST_HIGH;
delay_ms(50);
tftlcd_write_index_register(0x00E3);
tftlcd_write_wdr(0x3008); //set the internal timing
tftlcd_write_index_register(0x00E7);
tftlcd_write_wdr(0x0012); //set the internal timing
tftlcd_write_index_register(0x00EF);
tftlcd_write_wdr(0x1231); //set the internal timing
tftlcd_write_index_register(TS_INS_START_OSC);
tftlcd_write_wdr(0x0001); //start oscillator
delay_ms(50);
tftlcd_write_index_register(TS_INS_DRIV_OUT_CTRL);
tftlcd_write_wdr(0x0000); //set SS, SM
tftlcd_write_index_register(TS_INS_DRIV_WAV_CTRL);
tftlcd_write_wdr(0x0700); //set 1 line inversion
tftlcd_write_index_register(TS_INS_ENTRY_MOD);
tftlcd_write_wdr(TS_VAL_ENTRY_MOD); //set GRAM write direction, BGR=0
tftlcd_write_index_register(TS_INS_RESIZE_CTRL);
tftlcd_write_wdr(0x0000); //no resizing
tftlcd_write_index_register(TS_INS_DISP_CTRL2);
tftlcd_write_wdr(0x0202); //front & back porch periods = 2
tftlcd_write_index_register(TS_INS_DISP_CTRL3);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_DISP_CTRL4);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_RGB_DISP_IF_CTRL1);
tftlcd_write_wdr(0x0000); //select system interface
tftlcd_write_index_register(TS_INS_FRM_MARKER_POS);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_RGB_DISP_IF_CTRL2);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_POW_CTRL1);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_POW_CTRL2);
tftlcd_write_wdr(0x0007);
tftlcd_write_index_register(TS_INS_POW_CTRL3);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_POW_CTRL4);
tftlcd_write_wdr(0x0000);
delay_ms(200);
tftlcd_write_index_register(TS_INS_POW_CTRL1);
tftlcd_write_wdr(0x1690);
tftlcd_write_index_register(TS_INS_POW_CTRL2);
tftlcd_write_wdr(0x0227); //tftlcd_write_wdr(0x0137);
delay_ms(50);
tftlcd_write_index_register(TS_INS_POW_CTRL3);
tftlcd_write_wdr(0x001A); //tftlcd_write_wdr(0x013C);
delay_ms(50);
tftlcd_write_index_register(TS_INS_POW_CTRL4);
tftlcd_write_wdr(0x1800); //tftlcd_write_wdr(0x1400);
tftlcd_write_index_register(TS_INS_POW_CTRL7);
tftlcd_write_wdr(0x002A); //tftlcd_write_wdr(0x0007);
delay_ms(50);
tftlcd_write_index_register(TS_INS_GRAM_HOR_AD);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_GRAM_VER_AD);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_GAMMA_CTRL1);
tftlcd_write_wdr(0x0007);
tftlcd_write_index_register(TS_INS_GAMMA_CTRL2);
tftlcd_write_wdr(0x0605);
tftlcd_write_index_register(TS_INS_GAMMA_CTRL3);
tftlcd_write_wdr(0x0106);
tftlcd_write_index_register(TS_INS_GAMMA_CTRL4);
tftlcd_write_wdr(0x0206);
tftlcd_write_index_register(TS_INS_GAMMA_CTRL5);
tftlcd_write_wdr(0x0808);
tftlcd_write_index_register(TS_INS_GAMMA_CTRL6);
tftlcd_write_wdr(0x0007);
tftlcd_write_index_register(TS_INS_GAMMA_CTRL7);
tftlcd_write_wdr(0x0201);
tftlcd_write_index_register(TS_INS_GAMMA_CTRL8);
tftlcd_write_wdr(0x0007);
tftlcd_write_index_register(TS_INS_GAMMA_CTRL9);
tftlcd_write_wdr(0x0602);
tftlcd_write_index_register(TS_INS_GAMMA_CTRL10);
tftlcd_write_wdr(0x0808);
tftlcd_write_index_register(TS_INS_HOR_START_AD);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_HOR_END_AD);
tftlcd_write_wdr(0x00EF);
tftlcd_write_index_register(TS_INS_VER_START_AD);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_VER_END_AD);
tftlcd_write_wdr(0x013F);
tftlcd_write_index_register(TS_INS_GATE_SCAN_CTRL1);
tftlcd_write_wdr(0xA700);
tftlcd_write_index_register(TS_INS_GATE_SCAN_CTRL2);
tftlcd_write_wdr(0x0001);
tftlcd_write_index_register(TS_INS_GATE_SCAN_CTRL3);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_PART_IMG1_DISP_POS);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_PART_IMG1_START_AD);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_PART_IMG1_END_AD);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_PART_IMG2_DISP_POS);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_PART_IMG2_START_AD);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_PART_IMG2_END_AD);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_PANEL_IF_CTRL1);
tftlcd_write_wdr(0x0010);
tftlcd_write_index_register(TS_INS_PANEL_IF_CTRL2);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_PANEL_IF_CTRL3);
tftlcd_write_wdr(0x0003);
tftlcd_write_index_register(TS_INS_PANEL_IF_CTRL4);
tftlcd_write_wdr(0x0110);
tftlcd_write_index_register(TS_INS_PANEL_IF_CTRL5);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_PANEL_IF_CTRL6);
tftlcd_write_wdr(0x0000);
tftlcd_write_index_register(TS_INS_DISP_CTRL1);
tftlcd_write_wdr(0x0133);
tftlcd_clear(0xffff);
}
//****************************************************************
void tftlcd_write_pixel(int x,int y,int color)
{
if(x < 0) x = 0;
if(y < 0) y = 0;
if(x > 239) x = 239;
if(y > 319) y = 319;
tftlcd_write_index_register(TS_INS_START_ADX);
tftlcd_write_wdr(x);
tftlcd_write_index_register(TS_INS_END_ADX);
tftlcd_write_wdr(x);
tftlcd_write_index_register(TS_INS_GRAM_ADX);
tftlcd_write_wdr(x);
y = 319 - y;
y = 319 - y;
tftlcd_write_index_register(TS_INS_START_ADY);
tftlcd_write_wdr(y);
tftlcd_write_index_register(TS_INS_END_ADY);
tftlcd_write_wdr(y);
tftlcd_write_index_register(TS_INS_GRAM_ADY);
tftlcd_write_wdr(y);
tftlcd_write_index_register(TS_INS_RW_GRAM);
tftlcd_write_wdr(color);
}
//-----------------------------------------------------------------------
// Show A Picture On The LCD Screen
//-----------------------------------------------------------------------
void tftlcd_write_pic(int x,int y,const unsigned short *pointer)
{
int counter;
tftlcd_write_index_register(TS_INS_START_ADX);
tftlcd_write_wdr(0);
tftlcd_write_index_register(TS_INS_END_ADX);
tftlcd_write_wdr(239);
tftlcd_write_index_register(TS_INS_GRAM_ADX);
tftlcd_write_wdr(0);
tftlcd_write_index_register(TS_INS_START_ADY);
tftlcd_write_wdr(0);
tftlcd_write_index_register(TS_INS_END_ADY);
tftlcd_write_wdr(319);
tftlcd_write_index_register(TS_INS_GRAM_ADY);
tftlcd_write_wdr(319);
tftlcd_write_index_register(TS_INS_RW_GRAM);
for(counter = 0;counter < 76800;counter++)
tftlcd_write_wdr(pointer[counter]);
}
#endif
int main(void){
LPC_GPIO1->FIODIR=0xffffffff;
delay_ms(10);
tftlcd_init();
while(1) {
tftlcd_clear(RED);
}
}
void delay_ms(int t){
for(t=t*10000;t>0;t--);
}
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