chris stevens
LCD TFT for ssd0139 driver 8 bit mode
Dependents: receiver TFT_CJS_ssd0139 poster8x8_ranger
Diff: LCDTFT.cpp
- Revision:
- 2:ebedda77b33b
- Parent:
- 1:1085b6177f6e
- Child:
- 3:f999653c1069
diff -r 1085b6177f6e -r ebedda77b33b LCDTFT.cpp
--- a/LCDTFT.cpp Tue Mar 15 01:47:35 2011 +0000
+++ b/LCDTFT.cpp Tue Sep 02 09:02:18 2014 +0000
@@ -14,8 +14,8 @@
//// ////
//// ////
//// (C) Copyright 2011 www.micros-designs.com.ar ////
-//// Este código puede ser usado, modificado y distribuido libremente ////
-//// sin eliminar esta cabecera y sin garantía de ningún tipo. ////
+//// Este c�digo puede ser usado, modificado y distribuido libremente ////
+//// sin eliminar esta cabecera y sin garant�a de ning�n tipo. ////
//// ////
//// ////
///////////////////////////////////////////////////////////////////////////
@@ -31,8 +31,62 @@
_Alto=1;
_Color=0x0000;
}
+// global variable for screen orientation set by init
+bool orient=0;
-void LCDTFT::vLCDTFTSetParametersPrintf(unsigned short Xo,unsigned short Yo,unsigned short Xmin,unsigned short Xmax,unsigned char Alto, unsigned short Color){
+ static const unsigned short regValues[] = {
+ 0x0000, 0x0001, // start oscillation
+ 0x00FF, 0x0010, // wait 16 ms
+ 0x0007, 0x0000, //display control - zeros everything ???
+ 0x0013, 0x0000, // power control 3 setting = all zero
+ 0x0011, 0x2604, //power control 2 seting = gvd voltage 0x26 vci1 voltage 0x04
+ 0x0014, 0x0015, // power contrlol 4 setting vcmr=0 vcomh=0 vml=13 = amplitude of vcom voltage
+ 0x0010, 0x3C00, // power control 1 bt3=0 sap=7 (0b111) bt=4 (0b100)
+ 0x0013, 0x0040, //power control 3 PON=1 PON1=0 AON=0
+ 0x00FF,0x0010, // wait 16ms
+ 0x0013, 0x0060, // power control 3 PON=1 PON1=1 AON=0
+ 0x00FF, 0x0032, // wait 50ms
+ 0x0013, 0x0070, //power control 3 PON=1 PON1=1 AON=1
+ 0x00FF, 0x0028, // wait 40ms
+
+ 0x0001, 0x0127, // driver ouptut control
+ 0x0002, 0x0700, //LCD driving waveform settings
+ 0x0003, 0x1030, // entry mode settingtri=0 dfm=0 bgr=1 id1:id0=11
+ 0x0007, 0x0000, // display control 1 pt1-0=0 vle2-1=0 spt=0 gon=0 rev=0 d1-0=0
+ 0x0008, 0x0404, //black period control fp3-0=4 bp3-0=4
+ 0x000B, 0x0200, //frame cycle setting nd1-0=0 sdt1-0=2 ecs2-0=0 div1-0=0 dcr_ex=0 dcr2-0=0 rtn1-0=0
+ 0x000C, 0x0000, //external interface controlrm=0 dm1-0=0 rim1-0=0
+ 0x00015,0x0000, //sub panel control sub_im1-0=0 stn_en=0 mpu_mode=0 fcv_en=0
+
+ //gamma setting
+ 0x0030, 0x0000,
+ 0x0031, 0x0606,
+ 0x0032, 0x0006,
+ 0x0033, 0x0403,
+ 0x0034, 0x0107,
+ 0x0035, 0x0101,
+ 0x0036, 0x0707,
+ 0x0037, 0x0304,
+ 0x0038, 0x0A00,
+ 0x0039, 0x0706,
+ // end of gamma settings
+ 0x0040, 0x0000, // gate scan position (start g1 scan) scn5-0=0
+ 0x0041, 0x0000, // vertical scroll setting vl8-0=0
+ 0x0042, 0x013F, // screen end position se18-10=0x13F
+ 0x0043, 0x0000, // screen_start position ss28-20=0
+ 0x0044, 0x0000, // 2nd screen driving position end 00
+ 0x0045, 0x0000, //2nd screen driving position start =00
+ 0x0046, 0xEF00, //window addre horizontal ram for x0,x1 HEA=0xEF HSA=00 ie x=0 and x=239
+ 0x0047, 0x013F, //vertical ram address end vea=0x13F ie y=319
+ 0x0048, 0x0000, //vertical ram address start=00 ie y=0
+ 0x0007, 0x0011, //dispaly control 1
+ 0x00FF, 0x0028, //wait 40ms
+ 0x0007, 0x0017, //display control 1
+
+};
+
+
+void LCDTFT::vLCDTFTSetParametersPrintf(unsigned short Xo,unsigned short Yo,unsigned short Xmin,unsigned short Xmax,unsigned char Alto, unsigned short Color,unsigned short BackColor){
X=Xo;
Y=Yo;
@@ -40,6 +94,7 @@
X_max=Xmax;
_Alto=Alto;
_Color=Color;
+ _Background=BackColor;
}
int LCDTFT::_putc(int value){
@@ -47,13 +102,13 @@
if(value=='\n'){
X=X_min;
- Y+=7*_Alto + 1;
+ Y+=8*_Alto + 1;
}else{
- vLCDTFTText(X,Y,(const char *)&Fmt[0],&ARIAL[0],_Alto,_Color);
+ vLCDTFTText(X,Y,(const char *)&Fmt[0],&ARIAL[0],_Alto,_Color,_Background);
X+=5*_Alto+1;
if(X >= X_max){
X = X_min;
- Y += 7*_Alto + 1;
+ Y += 8*_Alto + 1;
}
}
return(value);
@@ -67,16 +122,23 @@
LCD_PIN_RS=0;
LCD_PIN_CS=0;
- LCD_PORT->write(Data);
+ LCD_PORT->write(Data>>8); // MSB so with an 8 bit port we need to write here the high and ,low bytes successively
LCD_PIN_WR=0;
LCD_PIN_WR=1;
+ LCD_PORT->write(Data & 0x00FF); // LSB
+ LCD_PIN_WR=0;
+ LCD_PIN_WR=1;
+
LCD_PIN_CS=1;
}
void LCDTFT::vLCDTFTWriteData(unsigned short Data){
LCD_PIN_RS=1;
LCD_PIN_CS=0;
- LCD_PORT->write(Data);
+ LCD_PORT->write(Data>>8); // MSB so with an 8 bit port we need to write here the high and ,low bytes successively
+ LCD_PIN_WR=0;
+ LCD_PIN_WR=1;
+ LCD_PORT->write(Data & 0x00FF); // LSB
LCD_PIN_WR=0;
LCD_PIN_WR=1;
LCD_PIN_CS =1;
@@ -100,23 +162,59 @@
void LCDTFT::vLCDTFTAddressSetPoint(unsigned short x,unsigned short y){
- vLCDTFTWriteCommandData(0x004e,x);
- vLCDTFTWriteCommandData(0x004f,y);
- vLCDTFTWriteCommand(0x0022);
+// CGRAM addresses are given by (x+y*256) - for some reason the y cordinate
+// addresses require 17 bits
+// equiv if y is given by 0xYYY and x by 0xXX
+// then address of point x,y is 0xYYYXXX
+ int add;
+ int adl,adh;
+ if(orient==0){ // portrait
+ add=x+y*256; //240 x 320 y but 256 bytes for each x row
+
+ }
+ else{
+ add=(239-y)+x*256;
+ }
+ adl=add & 0x00FF; // selects the 8 low bits
+ adh=(add >>8); // the 9 high bits
+ vLCDTFTWriteCommandData(0x0020,adl); // 8 lsb of address
+ vLCDTFTWriteCommandData(0x0021,adh); //9 msb of address
+ vLCDTFTWriteCommand(0x0022); // prepare to send rgb data
}
-void LCDTFT::vLCDTFTInit(void){
+void LCDTFT::vLCDTFTInit(bool format){
+ int i;
+ unsigned short address,data;
+ orient=format;
LCD_PIN_RESET=1;
- wait_ms(5);
+ wait_ms(5); // must hold for at least 1ms after reset
LCD_PIN_RESET=0;
- wait_ms(10);
+ wait_ms(10); // wait for stable R-C oscillation
LCD_PIN_RESET=1;
+ wait_ms(5); // final wait for rest to be acitvated
LCD_PIN_CS=1;
LCD_PIN_RD=1;
LCD_PIN_WR=1;
wait_ms(20);
+
+ for(i=0;i<sizeof(regValues)/4;i++)
+ {
+ address=regValues[i*2];
+ data=regValues[i*2+1];
+
+ if(address==0xFF)
+ {
+ wait_ms(data);
+ }
+ else {
+ vLCDTFTWriteCommandData(address,data);
+ }
+ }
+ wait_ms(1);
+
+/*
vLCDTFTWriteCommandData(0x0000,0x0001); wait_ms(1);
vLCDTFTWriteCommandData(0x0003,0xA8A4); wait_ms(1);
vLCDTFTWriteCommandData(0x000C,0x0000); wait_ms(1);
@@ -159,11 +257,15 @@
vLCDTFTWriteCommandData(0x004f,0);
vLCDTFTWriteCommandData(0x004e,0);
vLCDTFTWriteCommand(0x0022);
+ */
}
void LCDTFT::vLCDTFTFillScreen(unsigned short Color){
unsigned short i,j;
- vLCDTFTAddressSet(0,0,239,319);
+
+ vLCDTFTWriteCommandData(0x0020,00); //set x=0
+ vLCDTFTWriteCommandData(0x0021,00); // set y=0
+ vLCDTFTWriteCommand(0x0022);
for(i=0;i<320;i++){
for (j=0;j<240;j++){
@@ -178,7 +280,7 @@
vLCDTFTWriteData(Color);
}
-void LCDTFT::vLCDTFTText(unsigned short x,unsigned short y,const char *PtrText,const char (*Fuente)[5],unsigned char Alto,unsigned short Color){
+void LCDTFT::vLCDTFTText(unsigned short x,unsigned short y,const char *PtrText,const char (*Fuente)[5],unsigned char Alto,unsigned short Color,unsigned short BackColor){
unsigned short i, j, k, l, m, temp;
char DataPunto[5];
const char *Ptr;
@@ -205,9 +307,16 @@
for(l=0; l < Alto; ++l){
for(m=0; m < Alto; ++m){
vLCDTFTPoint(x+m,y+k*Alto+l,Color);
- }
- }
- }
+ }//endform
+ }//endforl
+ }//endif
+ else{
+ for(l=0; l < Alto; ++l){
+ for(m=0; m < Alto; ++m){
+ vLCDTFTPoint(x+m,y+k*Alto+l,BackColor);
+ }//endform
+ }//endforl
+ }
}
}
x++;
@@ -271,11 +380,11 @@
void LCDTFT::vLCDTFTRectangle(unsigned short x1,unsigned short y1,unsigned short x2,unsigned short y2,bool Filled,unsigned short Color){
if(Filled){
- int Lenght=((int)(x2-x1+1)*(y2-y1+1));
+ int Lenght=(int)(x2-x1);
- vLCDTFTAddressSet(x1,y1,x2,y2);
+
for(int i=0;i<Lenght;i++){
- vLCDTFTWriteData(Color);
+ vLCDTFTLine(x1,y1+i,x2,y1+i,Color);
}
}else{
vLCDTFTLine(x1, y1, x2, y1, Color);
@@ -313,7 +422,7 @@
else P += 5 + 2 * (a++ - b--);
}while(a <= b);
}
-
+/*
void LCDTFT::vDrawImageBMP24Bits(const char *NameImagen){
#define OffsetWidthPixel 18
@@ -391,7 +500,7 @@
}
fclose(Imagen);
}
-
+*/
void LCDTFT::vLCDTFTDrawImage(unsigned short x,unsigned short y, unsigned short Width, unsigned short Heigh, unsigned int Lenght, const unsigned short *Imagen){
vLCDTFTAddressSet(x,y,x+Width-1,y+Heigh-1);