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Add HX8357D 3.5" tft support

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This commit is contained in:
ladyada
2014-08-13 17:42:46 -04:00
parent 318bb8356e
commit 87479c7442
3 changed files with 177 additions and 12 deletions
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Adafruit_TFTLCD.cpp
+106 -12
View File
@@ -18,6 +18,9 @@
#include "Adafruit_TFTLCD.h"
#include "pin_magic.h"
//#define TFTWIDTH 320
//#define TFTHEIGHT 480
#define TFTWIDTH 240
#define TFTHEIGHT 320
@@ -25,6 +28,7 @@
#define ID_932X 0
#define ID_7575 1
#define ID_9341 2
#define ID_HX8357D 3
#define ID_UNKNOWN 0xFF
#include "registers.h"
@@ -168,6 +172,28 @@ static const uint8_t HX8347G_regValues[] PROGMEM = {
0x09 , 0x3F
};
static const uint8_t HX8357D_regValues[] PROGMEM = {
HX8357_SWRESET, 0,
HX8357D_SETC, 3, 0xFF, 0x83, 0x57,
TFTLCD_DELAY, 250,
HX8357_SETRGB, 4, 0x00, 0x00, 0x06, 0x06,
HX8357D_SETCOM, 1, 0x25, // -1.52V
HX8357_SETOSC, 1, 0x68, // Normal mode 70Hz, Idle mode 55 Hz
HX8357_SETPANEL, 1, 0x05, // BGR, Gate direction swapped
HX8357_SETPWR1, 6, 0x00, 0x15, 0x1C, 0x1C, 0x83, 0xAA,
HX8357D_SETSTBA, 6, 0x50, 0x50, 0x01, 0x3C, 0x1E, 0x08,
// MEME GAMMA HERE
HX8357D_SETCYC, 7, 0x02, 0x40, 0x00, 0x2A, 0x2A, 0x0D, 0x78,
HX8357_COLMOD, 1, 0x55,
HX8357_MADCTL, 1, 0xC0,
HX8357_TEON, 1, 0x00,
HX8357_TEARLINE, 2, 0x00, 0x02,
HX8357_SLPOUT, 0,
TFTLCD_DELAY, 150,
HX8357_DISPON, 0,
TFTLCD_DELAY, 50,
};
static const uint16_t ILI932x_regValues[] PROGMEM = {
ILI932X_START_OSC , 0x0001, // Start oscillator
TFTLCD_DELAY , 50, // 50 millisecond delay
@@ -227,6 +253,8 @@ void Adafruit_TFTLCD::begin(uint16_t id) {
reset();
delay(200);
if((id == 0x9325) || (id == 0x9328)) {
uint16_t a, d;
@@ -267,6 +295,32 @@ void Adafruit_TFTLCD::begin(uint16_t id) {
delay(500);
setAddrWindow(0, 0, TFTWIDTH-1, TFTHEIGHT-1);
} 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;
}
}
} else if(id == 0x7575) {
uint8_t a, d;
@@ -378,17 +432,17 @@ void Adafruit_TFTLCD::setAddrWindow(int x1, int y1, int x2, int y2) {
writeRegisterPair(HX8347G_COLADDREND_HI , HX8347G_COLADDREND_LO , x2);
writeRegisterPair(HX8347G_ROWADDREND_HI , HX8347G_ROWADDREND_LO , y2);
} else if (driver == ID_9341) {
} else if ((driver == ID_9341) || (driver == ID_HX8357D)){
uint32_t t;
t = x1;
t <<= 16;
t |= x2;
writeRegister32(ILI9341_COLADDRSET, t);
writeRegister32(ILI9341_COLADDRSET, t); // HX8357D uses same registers!
t = y1;
t <<= 16;
t |= y2;
writeRegister32(ILI9341_PAGEADDRSET, t);
writeRegister32(ILI9341_PAGEADDRSET, t); // HX8357D uses same registers!
}
CS_IDLE;
@@ -422,6 +476,8 @@ void Adafruit_TFTLCD::flood(uint16_t color, uint32_t len) {
} else if (driver == ID_932X) {
write8(0x00); // High byte of GRAM register...
write8(0x22); // Write data to GRAM
} if (driver == ID_HX8357D) {
write8(HX8357_RAMWR);
} else {
write8(0x22); // Write data to GRAM
}
@@ -564,11 +620,8 @@ void Adafruit_TFTLCD::fillScreen(uint16_t color) {
writeRegister16(0x0020, x);
writeRegister16(0x0021, y);
} else if (driver == ID_9341) {
setAddrWindow(0, 0, _width - 1, _height - 1);
} else if(driver == ID_7575) {
// For the 7575, there is no settable address pointer, instead the
} else if ((driver == ID_9341) || (driver == ID_7575) || (driver == ID_HX8357D)) {
// For these, there is no settable address pointer, instead the
// address window must be set for each drawing operation. However,
// this display takes rotation into account for the parameters, no
// need to do extra rotation math here.
@@ -622,8 +675,8 @@ void Adafruit_TFTLCD::drawPixel(int16_t x, int16_t y, uint16_t color) {
hi = color >> 8; lo = color;
CD_COMMAND; write8(0x22); CD_DATA; write8(hi); write8(lo);
} else if (driver == ID_9341) {
setAddrWindow(x, y, 239, 319);
} else if ((driver == ID_9341) || (driver == ID_HX8357D)) {
setAddrWindow(x, y, TFTWIDTH-1, TFTHEIGHT-1);
CS_ACTIVE;
CD_COMMAND;
write8(0x2C);
@@ -645,7 +698,7 @@ void Adafruit_TFTLCD::pushColors(uint16_t *data, uint8_t len, boolean first) {
if(first == true) { // Issue GRAM write command only on first call
CD_COMMAND;
if(driver == ID_932X) write8(0x00);
if (driver == ID_9341) {
if ((driver == ID_9341) || (driver == ID_HX8357D)){
write8(0x2C);
} else {
write8(0x22);
@@ -699,7 +752,8 @@ void Adafruit_TFTLCD::setRotation(uint8_t x) {
setLR(); // CS_IDLE happens here
}
if(driver == ID_9341) {
if ((driver == ID_9341) || (driver == ID_HX8357D)) {
// MEME, HX8357D uses same registers but different values
uint16_t t;
switch (rotation) {
@@ -798,6 +852,30 @@ uint16_t Adafruit_TFTLCD::readID(void) {
uint8_t hi, lo;
/*
for (uint8_t i=0; i<128; i++) {
Serial.print("$"); Serial.print(i, HEX);
Serial.print(" = 0x"); Serial.println(readReg(i), HEX);
}
*/
if (readReg(0x04) == 0x8000) { // eh close enough
// setc!
/*
Serial.println("!");
for (uint8_t i=0; i<254; i++) {
Serial.print("$"); Serial.print(i, HEX);
Serial.print(" = 0x"); Serial.println(readReg(i), HEX);
}
*/
writeRegister24(HX8357D_SETC, 0xFF8357);
delay(300);
//Serial.println(readReg(0xD0), HEX);
if (readReg(0xD0) == 0x990000) {
return 0x8357;
}
}
uint16_t id = readReg(0xD3);
if (id == 0x9341) {
return id;
@@ -901,6 +979,22 @@ void Adafruit_TFTLCD::writeRegisterPair(uint8_t aH, uint8_t aL, uint16_t d) {
#endif
void Adafruit_TFTLCD::writeRegister24(uint8_t r, uint32_t d) {
CS_ACTIVE;
CD_COMMAND;
write8(r);
CD_DATA;
delayMicroseconds(10);
write8(d >> 16);
delayMicroseconds(10);
write8(d >> 8);
delayMicroseconds(10);
write8(d);
CS_IDLE;
}
void Adafruit_TFTLCD::writeRegister32(uint8_t r, uint32_t d) {
CS_ACTIVE;
CD_COMMAND;
Adafruit_TFTLCD.h
+1
View File
@@ -65,6 +65,7 @@ class Adafruit_TFTLCD : public Adafruit_GFX {
#ifndef writeRegister16
writeRegister16(uint16_t a, uint16_t d),
#endif
writeRegister24(uint8_t a, uint32_t d),
writeRegister32(uint8_t a, uint32_t d),
#ifndef writeRegisterPair
writeRegisterPair(uint8_t aH, uint8_t aL, uint16_t d),
registers.h
+70
View File
@@ -92,3 +92,73 @@
#define ILI9341_MADCTL_RGB 0x00
#define ILI9341_MADCTL_BGR 0x08
#define ILI9341_MADCTL_MH 0x04
#define HX8357_NOP 0x00
#define HX8357_SWRESET 0x01
#define HX8357_RDDID 0x04
#define HX8357_RDDST 0x09
#define HX8357B_RDPOWMODE 0x0A
#define HX8357B_RDMADCTL 0x0B
#define HX8357B_RDCOLMOD 0x0C
#define HX8357B_RDDIM 0x0D
#define HX8357B_RDDSDR 0x0F
#define HX8357_SLPIN 0x10
#define HX8357_SLPOUT 0x11
#define HX8357B_PTLON 0x12
#define HX8357B_NORON 0x13
#define HX8357_INVOFF 0x20
#define HX8357_INVON 0x21
#define HX8357_DISPOFF 0x28
#define HX8357_DISPON 0x29
#define HX8357_CASET 0x2A
#define HX8357_PASET 0x2B
#define HX8357_RAMWR 0x2C
#define HX8357_RAMRD 0x2E
#define HX8357B_PTLAR 0x30
#define HX8357_TEON 0x35
#define HX8357_TEARLINE 0x44
#define HX8357_MADCTL 0x36
#define HX8357_COLMOD 0x3A
#define HX8357_SETOSC 0xB0
#define HX8357_SETPWR1 0xB1
#define HX8357B_SETDISPLAY 0xB2
#define HX8357_SETRGB 0xB3
#define HX8357D_SETCOM 0xB6
#define HX8357B_SETDISPMODE 0xB4
#define HX8357D_SETCYC 0xB4
#define HX8357B_SETOTP 0xB7
#define HX8357D_SETC 0xB9
#define HX8357B_SET_PANEL_DRIVING 0xC0
#define HX8357D_SETSTBA 0xC0
#define HX8357B_SETDGC 0xC1
#define HX8357B_SETID 0xC3
#define HX8357B_SETDDB 0xC4
#define HX8357B_SETDISPLAYFRAME 0xC5
#define HX8357B_GAMMASET 0xC8
#define HX8357B_SETCABC 0xC9
#define HX8357_SETPANEL 0xCC
#define HX8357B_SETPOWER 0xD0
#define HX8357B_SETVCOM 0xD1
#define HX8357B_SETPWRNORMAL 0xD2
#define HX8357B_RDID1 0xDA
#define HX8357B_RDID2 0xDB
#define HX8357B_RDID3 0xDC
#define HX8357B_RDID4 0xDD
#define HX8357D_SETGAMMA 0xE0
#define HX8357B_SETGAMMA 0xC8
#define HX8357B_SETPANELRELATED 0xE9