# Adafruit_TFTLCD.cpp
1.Insert 7783 Driver Register Setting Variable [Adafruit_TFTLCD.cpp]
//new for SWIFT Display
static const uint16_t ST7781_regValues[] PROGMEM = {
0x0001,0x0100,
0x0002,0x0700,
0x0003,0x1030,
0x0008,0x0302,
0x0009,0x0000,
0x000A,0x0008,
//*******POWER CONTROL REGISTER INITIAL*******//
0x0010,0x0790,
0x0011,0x0005,
0x0012,0x0000,
0x0013,0x0000,
//delayms(50,
//********POWER SUPPPLY STARTUP 1 SETTING*******//
0x0010,0x12B0,
// delayms(50,
0x0011,0x0007,
//delayms(50,
//********POWER SUPPLY STARTUP 2 SETTING******//
0x0012,0x008C,
0x0013,0x1700,
0x0029,0x0022,
// delayms(50,
//******GAMMA CLUSTER SETTING******//
0x0030,0x0000,
0x0031,0x0505,
0x0032,0x0205,
0x0035,0x0206,
0x0036,0x0408,
0x0037,0x0000,
0x0038,0x0504,
0x0039,0x0206,
0x003C,0x0206,
0x003D,0x0408,
// -----------DISPLAY WINDOWS 240*320-------------//
0x0050,0x0000,
0x0051,0x00EF,
0x0052,0x0000,
0x0053,0x013F,
//-----FRAME RATE SETTING-------//
0x0060,0xA700,
0x0061,0x0001,
0x0090,0x0033, //RTNI setting
//-------DISPLAY ON------//
0x0007,0x0133, 0x0001,0x0100,
0x0002,0x0700,
0x0003,0x1030,
0x0008,0x0302,
0x0009,0x0000,
0x000A,0x0008,
//*******POWER CONTROL REGISTER INITIAL*******//
0x0010,0x0790,
0x0011,0x0005,
0x0012,0x0000,
0x0013,0x0000,
//delayms(50,
//********POWER SUPPPLY STARTUP 1 SETTING*******//
0x0010,0x12B0,
// delayms(50,
0x0011,0x0007,
// delayms(50,
//********POWER SUPPLY STARTUP 2 SETTING******//
0x0012,0x008C,
0x0013,0x1700,
0x0029,0x0022,
// delayms(50,
//******GAMMA CLUSTER SETTING******//
0x0030,0x0000,
0x0031,0x0505,
0x0032,0x0205,
0x0035,0x0206,
0x0036,0x0408,
0x0037,0x0000,
0x0038,0x0504,
0x0039,0x0206,
0x003C,0x0206,
0x003D,0x0408,
// -----------DISPLAY WINDOWS 240*320-------------//
0x0050,0x0000,
0x0051,0x00EF,
0x0052,0x0000,
0x0053,0x013F,
//-----FRAME RATE SETTING-------//
0x0060,0xA700,
0x0061,0x0001,
0x0090,0x0033, //RTNI setting
//-------DISPLAY ON------//
0x0007,0x0133,
};
2.Modify Adafruit_TFTLCD::begin(uint16_t id) Function [Adafruit_TFTLCD.cpp]
void Adafruit_TFTLCD::begin(uint16_t id) {
uint8_t i = 0;
reset();
delay(200);
if ((id == 0x9325) || (id == 0x9328)) {
uint16_t a, d;
driver = ID_932X;
CS_ACTIVE;
while (i < sizeof(ILI932x_regValues) / sizeof(uint16_t)) {
a = pgm_read_word(&ILI932x_regValues[i++]);
d = pgm_read_word(&ILI932x_regValues[i++]);
if (a == TFTLCD_DELAY)
delay(d);
else
writeRegister16(a, d);
}
setRotation(rotation);
setAddrWindow(0, 0, TFTWIDTH - 1, TFTHEIGHT - 1);
} else if (id == 0x9341) {
driver = ID_9341;
CS_ACTIVE;
writeRegister8(ILI9341_SOFTRESET, 0);
delay(50);
writeRegister8(ILI9341_DISPLAYOFF, 0);
writeRegister8(ILI9341_POWERCONTROL1, 0x23);
writeRegister8(ILI9341_POWERCONTROL2, 0x10);
writeRegister16(ILI9341_VCOMCONTROL1, 0x2B2B);
writeRegister8(ILI9341_VCOMCONTROL2, 0xC0);
writeRegister8(ILI9341_MEMCONTROL, ILI9341_MADCTL_MY | ILI9341_MADCTL_BGR);
writeRegister8(ILI9341_PIXELFORMAT, 0x55);
writeRegister16(ILI9341_FRAMECONTROL, 0x001B);
writeRegister8(ILI9341_ENTRYMODE, 0x07);
/* writeRegister32(ILI9341_DISPLAYFUNC, 0x0A822700);*/
writeRegister8(ILI9341_SLEEPOUT, 0);
delay(150);
writeRegister8(ILI9341_DISPLAYON, 0);
delay(500);
setAddrWindow(0, 0, TFTWIDTH - 1, TFTHEIGHT - 1);
return;
} else if (id == 0x8357) {
// HX8357D
driver = ID_HX8357D;
CS_ACTIVE;
while (i < sizeof(HX8357D_regValues)) {
uint8_t r = pgm_read_byte(&HX8357D_regValues[i++]);
uint8_t len = pgm_read_byte(&HX8357D_regValues[i++]);
if (r == TFTLCD_DELAY) {
delay(len);
} else {
// Serial.print("Register $"); Serial.print(r, HEX);
// Serial.print(" datalen "); Serial.println(len);
CS_ACTIVE;
CD_COMMAND;
write8(r);
CD_DATA;
for (uint8_t d = 0; d < len; d++) {
uint8_t x = pgm_read_byte(&HX8357D_regValues[i++]);
write8(x);
}
CS_IDLE;
}
}
return;
} else if (id == 0x7575) {
uint8_t a, d;
driver = ID_7575;
CS_ACTIVE;
while (i < sizeof(HX8347G_regValues)) {
a = pgm_read_byte(&HX8347G_regValues[i++]);
d = pgm_read_byte(&HX8347G_regValues[i++]);
if (a == TFTLCD_DELAY)
delay(d);
else
writeRegister8(a, d);
}
setRotation(rotation);
setLR(); // Lower-right corner of address window
} else if (id == 0x7783 ){ //new for SWITCH Display
uint16_t a, d;
driver = ID_932X;
CS_ACTIVE;
while(i < sizeof(ST7781_regValues) / sizeof(uint16_t)) {
a = pgm_read_word(&ST7781_regValues[i++]);
d = pgm_read_word(&ST7781_regValues[i++]);
if(a == TFTLCD_DELAY) delay(d);
else writeRegister16(a, d);
}
setRotation(rotation);
setAddrWindow(0, 0, TFTWIDTH-1, TFTHEIGHT-1);
} else {
driver = ID_UNKNOWN;
return;
}
}3. Modify Identifier Code [graphictest.ino]
void setup(void) {
Serial.begin(9600);
Serial.println(F("TFT LCD test"));
#ifdef USE_ADAFRUIT_SHIELD_PINOUT
Serial.println(F("Using Adafruit 2.8\" TFT Arduino Shield Pinout"));
#else
Serial.println(F("Using Adafruit 2.8\" TFT Breakout Board Pinout"));
#endif
Serial.print("TFT size is "); Serial.print(tft.width()); Serial.print("x"); Serial.println(tft.height());
tft.reset();
uint16_t identifier = tft.readID();
if (identifier == 0x9325) {
Serial.println(F("Found ILI9325 LCD driver"));
} else if (identifier == 0x9328) {
Serial.println(F("Found ILI9328 LCD driver"));
} else if (identifier == 0x7575) {
Serial.println(F("Found HX8347G LCD driver"));
} else if (identifier == 0x9341) {
Serial.println(F("Found ILI9341 LCD driver"));
} else if (identifier == 0x8357) {
Serial.println(F("Found HX8357D LCD driver"));
} else if (identifier == 0x7783) {
Serial.println(F("Found 7783 LCD driver"));
} else {
Serial.print(F("Unknown LCD driver chip: "));
Serial.println(identifier, HEX);
Serial.println(F("If using the Adafruit 2.8\" TFT Arduino shield, the line:"));
Serial.println(F(" #define USE_ADAFRUIT_SHIELD_PINOUT"));
Serial.println(F("should appear in the library header (Adafruit_TFT.h)."));
Serial.println(F("If using the breakout board, it should NOT be #defined!"));
Serial.println(F("Also if using the breakout, double-check that all wiring"));
Serial.println(F("matches the tutorial."));
return;
}
tft.begin(identifier);
Serial.println(F("Benchmark Time (microseconds)"));
Serial.print(F("Screen fill "));
Serial.println(testFillScreen());
delay(500);
Serial.print(F("Text "));
Serial.println(testText());
delay(3000);
Serial.print(F("Lines "));
Serial.println(testLines(CYAN));
delay(500);
Serial.print(F("Horiz/Vert Lines "));
Serial.println(testFastLines(RED, BLUE));
delay(500);
Serial.print(F("Rectangles (outline) "));
Serial.println(testRects(GREEN));
delay(500);
Serial.print(F("Rectangles (filled) "));
Serial.println(testFilledRects(YELLOW, MAGENTA));
delay(500);
Serial.print(F("Circles (filled) "));
Serial.println(testFilledCircles(10, MAGENTA));
Serial.print(F("Circles (outline) "));
Serial.println(testCircles(10, WHITE));
delay(500);
Serial.print(F("Triangles (outline) "));
Serial.println(testTriangles());
delay(500);
Serial.print(F("Triangles (filled) "));
Serial.println(testFilledTriangles());
delay(500);
Serial.print(F("Rounded rects (outline) "));
Serial.println(testRoundRects());
delay(500);
Serial.print(F("Rounded rects (filled) "));
Serial.println(testFilledRoundRects());
delay(500);
Serial.println(F("Done!"));
}