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RA8875.cpp
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/*
Part of RA8875 library from https://github.com/sumotoy/RA8875
License:GNU General Public License v3.0
RA8875 fast SPI library for RAiO SPI RA8875 drived TFT
Copyright (C) 2014 egidio massimo costa sumotoy (a t) gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined(SPARK)//SPI already included in applications.h
#include <SPI.h>
#endif
#include "RA8875.h"
#if defined(EEPROM_SUPPORTED)
#include <EEPROM.h>
#endif
#if defined (USE_FT5206_TOUCH)
#if !defined(SPARK)//wire it's already included in applications.h
#include <Wire.h>
#if defined(___DUESTUFF) && defined(USE_DUE_WIRE1_INTERFACE)
#define Wire Wire1
#endif
#endif
const uint8_t _ctpAdrs = 0x38;
const uint8_t coordRegStart[5] = {0x03,0x09,0x0F,0x15,0x1B};
static volatile bool _FT5206_INT = false;
#endif
static volatile uint8_t _RA8875_INTS = 0b00000000;//container for INT states
/*------------------------------
Bit: Called by: In use:
--------------------------------
0: isr triggered [*]
1: Resistive TS [*]
2: KeyScan [*]
3: DMA
4: BTE
5: FT5206 TS [*]
6: -na-
7: -na-
--------------------------------*/
/**************************************************************************/
/*!
Contructors
CSp: SPI SS pin
RSTp: Reset pin
INTp: INT pin
//Teensy 3.0 , 3.1 , LC
mosi_pin
sclk_pin
miso_pin
Note:
Teensy CS SPI1:[MOSI1(0) MISO1(1) CLK1(20) CS1(6)]
*/
/**************************************************************************/
//------------------------------TEENSY 3/3.1 ---------------------------------------
#if defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MK64FX512__) || defined(__MK66FX1M0__)
RA8875::RA8875(const uint8_t CSp,const uint8_t RSTp,const uint8_t mosi_pin,const uint8_t sclk_pin,const uint8_t miso_pin)
{
_mosi = mosi_pin;
_miso = miso_pin;
_sclk = sclk_pin;
_cs = CSp;
_rst = RSTp;
//------------------------------Teensy LC-------------------------------------------
#elif defined(__MKL26Z64__)
RA8875::RA8875(const uint8_t CSp,const uint8_t RSTp,const uint8_t mosi_pin,const uint8_t sclk_pin,const uint8_t miso_pin)
{
_mosi = mosi_pin;
_miso = miso_pin;
_sclk = sclk_pin;
_cs = CSp;
_rst = RSTp;
_altSPI = false;
//------------------------------Teensy of the future -------------------------------------------
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__)
RA8875::RA8875(const uint8_t CSp,const uint8_t RSTp,const uint8_t mosi_pin,const uint8_t sclk_pin,const uint8_t miso_pin)
{
_mosi = mosi_pin;
_miso = miso_pin;
_sclk = sclk_pin;
_cs = CSp;
_rst = RSTp;
//---------------------------------DUE--------------------------------------------
#elif defined(___DUESTUFF)//DUE
RA8875::RA8875(const uint8_t CSp, const uint8_t RSTp)
{
_cs = CSp;
_rst = RSTp;
//---------------------------------SPARK----------------------------------------
#elif defined(SPARK)//SPARK
RA8875::RA8875(const uint8_t CSp, const uint8_t RSTp)
{
_cs = CSp;
_rst = RSTp;
//------------------------------ENERGIA-------------------------------------------
#elif defined(NEEDS_SET_MODULE)
RA8875::RA8875(const uint8_t module, const uint8_t RSTp)
{
selectCS(module);
_rst = RSTp;
_cs = 255;
//----------------------------8 BIT ARDUINO's---------------------------------------
#else
RA8875::RA8875(const uint8_t CSp, const uint8_t RSTp)
{
_cs = CSp;
_rst = RSTp;
#endif
}
/**************************************************************************/
/*!
Helper for Energia, it will set CS pin accordly module selected
module: 0...3
[private]
*/
/**************************************************************************/
#if defined(NEEDS_SET_MODULE)
void RA8875::selectCS(uint8_t module)
{
if (module > 3) module = 3;
switch(module){
case 0:
_cs = PA_3;
break;
case 1:
_cs = PF_3;
break;
case 2:
_cs = PB_5;
break;
case 3:
_cs = PD_1;
break;
}
SPImodule = module;
}
#endif
/**************************************************************************/
/*!
Initialize library and SPI
Parameter:
(display type)
RA8875_480x272 (4.3" displays)
RA8875_800x480 (5" and 7" displays)
Adafruit_480x272 (4.3" Adafruit displays)
Adafruit_800x480 (5" and 7" Adafruit displays)
(colors) - The color depth (default 16) 8 or 16 (bit)
-------------------------------------------------------------
UPDATE! in Energia IDE some devices needs an extra parameter!
module: sets the SPI interface (it depends from MCU). Default:0
*/
/**************************************************************************/
void RA8875::begin(const enum RA8875sizes s,uint8_t colors)
{
_errorCode = 0;
_displaySize = s;
_rotation = 0;
_portrait = false;
_inited = false;
_sleep = false;
_hasLayerLimits = false;
_intPin = 255;
_intNum = 0;
_useISR = false;
_enabledInterrups = 0b00000000;
/* used to understand what causes an INT
bit
0:
1:
2: Touch (resistive)
3:
4:
5:
6:
7:
8:
*/
#if defined(USE_FT5206_TOUCH)
_intCTSPin = 255;
_intCTSNum = 0;
#endif
#if defined(USE_RA8875_SEPARATE_TEXT_COLOR)
_TXTForeColor = _RA8875_DEFAULTTXTFRGRND;
#if defined(_RA8875_DEFAULTTXTBKGRND)
_TXTBackColor = _RA8875_DEFAULTTXTBKGRND;
#else
_TXTBackColor = 0x0000;
#endif
_TXTrecoverColor = false;
#endif
_maxLayers = 2;
_currentLayer = 0;
_useMultiLayers = false;//starts with one layer only
_textMode = false;
_brightness = 255;
_cursorX = 0; _cursorY = 0; _scrollXL = 0; _scrollXR = 0; _scrollYT = 0; _scrollYB = 0;
_scaleX = 1; _scaleY = 1;
_scaling = false;
_EXTFNTsize = X16;
_FNTspacing = 0;
//_FNTrender = false;
/* set--> _TXTparameters <--
0:_extFontRom = false;
1:_autoAdvance = true;
2:_textWrap = user defined
3:_fontFullAlig = false;
4:_fontRotation = false;//not used
5:_alignXToCenter = false;
6:_alignYToCenter = false;
7: render = false;
*/
_TXTparameters = 0b00000010;
bitWrite(_TXTparameters,2,_DFT_RA8875_TEXTWRAP);//set _textWrap
_relativeCenter = false;
_absoluteCenter = false;
_EXTFNTrom = _DFT_RA8875_EXTFONTROMTYPE;
_EXTFNTcoding = _DFT_RA8875_EXTFONTROMCODING;
_FNTinterline = 0;
_EXTFNTfamily = STANDARD;
_FNTcursorType = NOCURSOR;
_FNTgrandient = false;
_arcAngle_max = ARC_ANGLE_MAX;
_arcAngle_offset = ARC_ANGLE_OFFSET;
_angle_offset = ANGLE_OFFSET;
_color_bpp = 16;
_colorIndex = 0;
if (colors != 16) {
_color_bpp = 8;
_colorIndex = 3;
}
switch (_displaySize){
case RA8875_480x272:
case Adafruit_480x272:
_width = 480;
_height = 272;
_initIndex = 0;
break;
case RA8875_800x480:
case Adafruit_800x480:
case RA8875_800x480ALT:
_width = 800;
_height = 480;
_hasLayerLimits = true;
_maxLayers = 1;
if (_color_bpp < 16) _maxLayers = 2;
_initIndex = 1;
if (_displaySize == RA8875_800x480ALT) _initIndex = 2;
break;
default:
_errorCode |= (1 << 0);//set
return;
}
RA8875_WIDTH = _width;
RA8875_HEIGHT = _height;
_activeWindowXL = 0;
_activeWindowXR = RA8875_WIDTH;
_activeWindowYT = 0;
_activeWindowYB = RA8875_HEIGHT;
#if !defined(_AVOID_TOUCHSCREEN)//common to all touch
_clearTInt = false;
_touchEnabled = false;
#if defined(USE_RA8875_TOUCH)//resistive touch
_calibrated = _isCalibrated();//check calibration at startup
if (!_calibrated) {
_tsAdcMinX = 0; _tsAdcMinY = 0; _tsAdcMaxX = 1023; _tsAdcMaxY = 1023;
} else {
_tsAdcMinX = TOUCSRCAL_XLOW; _tsAdcMinY = TOUCSRCAL_YLOW; _tsAdcMaxX = TOUCSRCAL_XHIGH; _tsAdcMaxY = TOUCSRCAL_YHIGH;
}
#endif
#endif
#if defined(USE_RA8875_KEYMATRIX)
_keyMatrixEnabled = false;
#endif
/* Display Configuration Register [0x20]
7: (Layer Setting Control) 0:one Layer, 1:two Layers
6,5,4: (na)
3: (Horizontal Scan Direction) 0: SEG0 to SEG(n-1), 1: SEG(n-1) to SEG0
2: (Vertical Scan direction) 0: COM0 to COM(n-1), 1: COM(n-1) to COM0
1,0: (na) */
_DPCR_Reg = 0b00000000;
/* Memory Write Control Register 0 [0x40]
7: 0(graphic mode), 1(textx mode)
6: 0(font-memory cursor not visible), 1(visible)
5: 0(normal), 1(blinking)
4: na
3-2: 00(LR,TB), 01(RL,TB), 10(TB,LR), 11(BT,LR)
1: 0(Auto Increase in write), 1(no)
0: 0(Auto Increase in read), 1(no) */
_MWCR0_Reg = 0b00000000;
/* Font Control Register 0 [0x21]
7: 0(CGROM font is selected), 1(CGRAM font is selected)
6: na
5: 0(Internal CGROM [reg 0x2F to 00]), 1(External CGROM [0x2E reg, bit6,7 to 0)
4-2: na
1-0: 00(ISO/IEC 8859-1), 01(ISO/IEC 8859-2), 10(ISO/IEC 8859-3), 11(ISO/IEC 8859-4)*/
_FNCR0_Reg = 0b00000000;
/* Font Control Register 1 [0x22]
7: 0(Full Alignment off), 1(Full Alignment on)
6: 0(no-trasparent), 1(trasparent)
5: na
4: 0(normal), 1(90degrees)
3-2: 00(x1), 01(x2), 10(x3), 11(x3) Horizontal font scale
1-0: 00(x1), 01(x2), 10(x3), 11(x3) Vertical font scale */
_FNCR1_Reg = 0b00000000;
/* Font Write Type Setting Register [0x2E]
7-6: 00(16x16,8x16,nx16), 01(24x24,12x24,nx24), 1x(32x32,16x32, nx32)
5-0: 00...3F (font width off to 63 pixels)*/
_FWTSET_Reg = 0b00000000;
/* Serial Font ROM Setting [0x2F]
GT Serial Font ROM Select
7-5: 000(GT21L16TW/GT21H16T1W),001(GT30L16U2W),010(GT30L24T3Y/GT30H24T3Y),011(GT30L24M1Z),111(GT30L32S4W/GT30H32S4W)
FONT ROM Coding Setting
4-2: 000(GB2312),001(GB12345/GB18030),010(BIG5),011(UNICODE),100(ASCII),101(UNI-Japanese),110(JIS0208),111(Latin/Greek/Cyrillic/Arabic)
1-0: 00...11
bits ASCII Lat/Gr/Cyr Arabic
00 normal normal na
01 Arial var Wdth Pres Forms A
10 Roman na Pres Forms B
11 Bold na na */
_SFRSET_Reg = 0b00000000;
/* Interrupt Control Register1 [0xF0]
7,6,5: (na)
4: KEYSCAN Interrupt Enable Bit
3: DMA Interrupt Enable Bit
2: TOUCH Panel Interrupt Enable Bit
1: BTE Process Complete Interrupt Enable Bit
0:
When MCU-relative BTE operation is selected(*1) and BTE
Function is Enabled(REG[50h] Bit7 = 1), this bit is used to
Enable the BTE Interrupt for MCU R/W:
0 : Disable BTE interrupt for MCU R/W.
1 : Enable BTE interrupt for MCU R/W.
When the BTE Function is Disabled, this bit is used to
Enable the Interrupt of Font Write Function:
0 : Disable font write interrupt.
1 : Enable font write interrupt.
*/
_INTC1_Reg = 0b00000000;
//------------------------------- Start SPI initialization ------------------------------------------
#if defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MK64FX512__) || defined(__MK66FX1M0__)
//always uses SPI transaction
if ((_mosi == 11 || _mosi == 7) && (_miso == 12 || _miso == 8) && (_sclk == 13 || _sclk == 14)) {//valid SPI pins?
if (_mosi != 11) SPI.setMOSI(_mosi);
if (_miso != 12) SPI.setMISO(_miso);
if (_sclk != 13) SPI.setSCK(_sclk);
} else {
_errorCode |= (1 << 1);//set
return;
}
if (!SPI.pinIsChipSelect(_cs)) {
_errorCode |= (1 << 2);//set
return;
}
pinMode(_cs, OUTPUT);
SPI.begin();
digitalWrite(_cs, HIGH);
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__) //future teensys
//always uses SPI transaction
if ((_mosi == 11 || _mosi == 7) && (_miso == 12 || _miso == 8) && (_sclk == 13 || _sclk == 14)) {//valid SPI pins?
if (_mosi != 11) SPI.setMOSI(_mosi);
if (_miso != 12) SPI.setMISO(_miso);
if (_sclk != 13) SPI.setSCK(_sclk);
} else {
_errorCode |= (1 << 1);//set
return;
}
if (!SPI.pinIsChipSelect(_cs)) {
_errorCode |= (1 << 2);//set
return;
}
pinMode(_cs, OUTPUT);
SPI.begin();
digitalWrite(_cs, HIGH);
#elif defined(__MKL26Z64__)//TeensyLC
//always uses SPI ransaction
#if TEENSYDUINO > 121//not supported prior 1.22!
if ((_mosi == 11 || _mosi == 7 || _mosi == 0 || _mosi == 21) && (_miso == 12 || _miso == 8 || _miso == 1 || _miso == 5) && (_sclk == 13 || _sclk == 14 || _sclk == 20)) {//valid SPI pins?
if ((_mosi == 0 || _mosi == 21) && (_miso == 1 || _miso == 5) && (_sclk == 20)) {//identify alternate SPI channel 1 (24Mhz)
_altSPI = true;
if (_cs != 6){//on SPI1 cs should be only 6!
_errorCode |= (1 << 2);//set
return;
}
if (_mosi != 11) SPI1.setMOSI(_mosi);
if (_miso != 12) SPI1.setMISO(_miso);
if (_sclk != 13) SPI1.setSCK(_sclk);
pinMode(_cs, OUTPUT);
SPI1.begin();
} else {//default SPI channel 0 (12Mhz)
_altSPI = false;
if (_mosi != 11) SPI.setMOSI(_mosi);
if (_miso != 12) SPI.setMISO(_miso);
if (_sclk != 13) SPI.setSCK(_sclk);
if (!SPI.pinIsChipSelect(_cs)) {//ERROR
_errorCode |= (1 << 2);//set
return;
}
pinMode(_cs, OUTPUT);
SPI.begin();
digitalWrite(_cs, HIGH);
}
} else {
_errorCode |= (1 << 1);//set
return;
}
#else
_altSPI = false;
pinMode(_cs, OUTPUT);
SPI.begin();
digitalWrite(_cs, HIGH);
_errorCode |= (1 << 3);//set
#endif
#elif !defined(ENERGIA)//everithing but ENERGIA
#if defined(___DUESTUFF)// DUE
#if defined(SPI_DUE_MODE_EXTENDED)
//DUE SPI mode extended you can use only follow pins
if (_cs == 4 || _cs == 10 || _cs == 52) {
SPI.begin(_cs);
} else {
_errorCode |= (1 << 2);//error! wrong cs pin
return;
}
#else
//DUE in normal SPI mode
pinMode(_cs, OUTPUT);
SPI.begin();
#if defined(_FASTSSPORT)
csport = portOutputRegister(digitalPinToPort(_cs));
cspinmask = digitalPinToBitMask(_cs);
*csport |= cspinmask;//hi
#else
digitalWrite(_cs, HIGH);
#endif
#endif
#elif defined(ESP8266) || defined(ESP32)
pinMode(_cs, OUTPUT);
SPI.begin();
#if defined(_FASTSSPORT) && !defined(ESP32)
GPIO_REG_WRITE(GPIO_OUT_W1TS_ADDRESS, _pinRegister(_cs));//H
#else
digitalWrite(_cs, HIGH);//for now
#endif
#elif defined(SPARK)
pinMode(_cs, OUTPUT);
SPI.begin();
pinSetFast(_cs);//for now
#else
//UNO,MEGA,Yun,nano,duemilanove and other 8 bit arduino's
pinMode(_cs, OUTPUT);
SPI.begin();
csport = portOutputRegister(digitalPinToPort(_cs));//pinMode(_cs, OUTPUT);
cspinmask = digitalPinToBitMask(_cs);
*csport |= cspinmask;//hi
#endif
#endif
if (_rst < 255){//time for hardware reset RA8875
pinMode(_rst, OUTPUT);
digitalWrite(_rst, HIGH);
delay(10);
digitalWrite(_rst, LOW);
delay(220);//120
digitalWrite(_rst, HIGH);
delay(300);//200
}
#if defined(ENERGIA) && defined(NEEDS_SET_MODULE)//energia specific
SPI.setModule(SPImodule);
#endif
//set SPI SPEED, starting at low speed, after init will raise up!
#if defined(SPI_HAS_TRANSACTION)
_SPImaxSpeed = 4000000UL;//we start in low speed here!
#else//do not use SPItransactons
#if defined (__AVR__)//8 bit arduino's
pinMode(_cs, OUTPUT);
SPI.begin();
SPI.setClockDivider(SPI_SPEED_SAFE);
delay(1);
SPI.setDataMode(SPI_MODE3);
#else
#if defined(___DUESTUFF) && defined(SPI_DUE_MODE_EXTENDED)
SPI.setClockDivider(_cs,SPI_SPEED_SAFE);
delay(1);
SPI.setDataMode(_cs,SPI_MODE3);
#elif defined (ESP8266)
SPI.setClockDivider(SPI_SPEED_SAFE);
delay(1);
SPI.setDataMode(SPI_MODE0);
#elif defined(SPARK)
SPI.setClockDivider(SPI_SPEED_SAFE);
delay(1);
SPI.setDataMode(SPI_MODE0);
#else
SPI.setClockDivider(SPI_SPEED_SAFE);
delay(1);
SPI.setDataMode(SPI_MODE3);
#endif
#endif
#endif
#if defined(ENERGIA)//dunno why but energia wants this here or not work!
pinMode(_cs, OUTPUT);
digitalWrite(_cs, HIGH);
#endif
//SPI initialization done
if (_errorCode != 0) return;//ouch, error/s.Better stop here!
_initialize();//----->Time to Initialize the RA8875!
//------- time for capacitive touch stuff -----------------
#if defined(USE_FT5206_TOUCH)
Wire.begin();
#if defined(___DUESTUFF)
Wire.setClock(400000UL); // Set I2C frequency to 400kHz
/*
#if !defined(USE_DUE_WIRE1_INTERFACE)//sorry but I do not own a DUE, have to learn about Wire1
// Force 400 KHz I2C, rawr! (Uses pins 20, 21 for SDA, SCL)
TWI1->TWI_CWGR = 0;
TWI1->TWI_CWGR = ((VARIANT_MCK / (2 * 400000)) - 4) * 0x101;
#endif
*/
#else
//TODO, Dunno what to do here with SPARK
#if ARDUINO >= 157
Wire.setClock(400000UL); // Set I2C frequency to 400kHz
#else
TWBR = ((F_CPU / 400000UL) - 16) / 2; // Set I2C frequency to 400kHz
#endif
#endif
delay(10);
_initializeFT5206();//initialize FT5206 controller
_maxTouch = 5;
_gesture = 0;
_currentTouches = 0;
_currentTouchState = 0;
_needISRrearm = false;
//TO DO
//Modify RA8875 registers and disconnect internal Touch Screen totally
#endif
}
/************************* Initialization *********************************/
/**************************************************************************/
/*!
Hardware initialization of RA8875 and turn on
[private]
*/
/**************************************************************************/
void RA8875::_initialize()
{
_inited = false;
if (_rst == 255) {// soft reset time ?
writeCommand(RA8875_PWRR);
_writeData(RA8875_PWRR_SOFTRESET);
delay(20);
_writeData(RA8875_PWRR_NORMAL);
delay(200);
}
//set the sysClock
_setSysClock(initStrings[_initIndex][0],initStrings[_initIndex][1],initStrings[_initIndex][2]);
//color space setup
if (_color_bpp < 16){//256
_writeRegister(RA8875_SYSR,0x00);//256
_colorIndex = 3;
} else {
_writeRegister(RA8875_SYSR,0x0C);//65K
_colorIndex = 0;
}
_writeRegister(RA8875_HDWR,initStrings[_initIndex][3]); //LCD Horizontal Display Width Register
_writeRegister(RA8875_HNDFTR,initStrings[_initIndex][4]); //Horizontal Non-Display Period Fine Tuning Option Register
_writeRegister(RA8875_HNDR,initStrings[_initIndex][5]); //LCD Horizontal Non-Display Period Register
_writeRegister(RA8875_HSTR,initStrings[_initIndex][6]); //HSYNC Start Position Register
_writeRegister(RA8875_HPWR,initStrings[_initIndex][7]); //HSYNC Pulse Width Register
_writeRegister(RA8875_VDHR0,initStrings[_initIndex][8]); //LCD Vertical Display Height Register0
_writeRegister(RA8875_VDHR0+1,initStrings[_initIndex][9]); //LCD Vertical Display Height Register1
_writeRegister(RA8875_VNDR0,initStrings[_initIndex][10]); //LCD Vertical Non-Display Period Register 0
_writeRegister(RA8875_VNDR0+1,initStrings[_initIndex][11]); //LCD Vertical Non-Display Period Register 1
_writeRegister(RA8875_VSTR0,initStrings[_initIndex][12]); //VSYNC Start Position Register 0
_writeRegister(RA8875_VSTR0+1,initStrings[_initIndex][13]); //VSYNC Start Position Register 1
_writeRegister(RA8875_VPWR,initStrings[_initIndex][14]); //VSYNC Pulse Width Register
_updateActiveWindow(true); //set the whole screen as active
//clearActiveWindow();
delay(10); //100
setCursorBlinkRate(DEFAULTCURSORBLINKRATE);//set default blink rate
setIntFontCoding(DEFAULTINTENCODING);//set default internal font encoding
setFont(INTFONT); //set internal font use
//postburner PLL!
_setSysClock(sysClockPar[_initIndex][0],sysClockPar[_initIndex][1],initStrings[_initIndex][2]);
_inited = true;
//from here we will go at high speed!
#if defined(_FASTCPU)
_slowDownSPI(false);
#else
#if defined(SPI_HAS_TRANSACTION)
#if defined(__MKL26Z64__)
if (_altSPI){
_SPImaxSpeed = MAXSPISPEED2;
} else {
_SPImaxSpeed = MAXSPISPEED;
}
#else
_SPImaxSpeed = MAXSPISPEED;
#endif
#else
#if defined(___DUESTUFF) && defined(SPI_DUE_MODE_EXTENDED)
SPI.setClockDivider(_cs,SPI_SPEED_WRITE);
#else
SPI.setClockDivider(SPI_SPEED_WRITE);
#endif
#endif
#endif
delay(1);
clearMemory();//clearMemory(true);
delay(1);
displayOn(true);//turn On Display
delay(1);
fillWindow(_RA8875_DEFAULTBACKLIGHT);//set screen black
backlight(true);
setRotation(_RA8875_DEFAULTSCRROT);
_setTextMode(false);
setActiveWindow();
#if defined(_RA8875_DEFAULTTXTBKGRND)
#if defined(USE_RA8875_SEPARATE_TEXT_COLOR)
setForegroundColor(_TXTForeColor);
setBackgroundColor(_TXTBackColor);
#else
setForegroundColor(_RA8875_DEFAULTTXTFRGRND);
setBackgroundColor(_RA8875_DEFAULTTXTBKGRND);
#endif
_backTransparent = false;
_FNCR1_Reg &= ~(1 << 6);//clear
#else
#if defined(USE_RA8875_SEPARATE_TEXT_COLOR)
setForegroundColor(_TXTForeColor);
#else
setForegroundColor(_RA8875_DEFAULTTXTFRGRND);
#endif
_backTransparent = true;
_FNCR1_Reg |= (1 << 6);//set
#endif
_writeRegister(RA8875_FNCR1,_FNCR1_Reg);
setCursor(0,0);
}
/**************************************************************************/
/*!
This function set the sysClock accordly datasheet
Parameters:
pll1: PLL Control Register 1
pll2: PLL Control Register 2
pixclk: Pixel Clock Setting Register
[private]
*/
/**************************************************************************/
void RA8875::_setSysClock(uint8_t pll1,uint8_t pll2,uint8_t pixclk)
{
_writeRegister(RA8875_PLLC1,pll1);////PLL Control Register 1
delay(1);
_writeRegister(RA8875_PLLC1+1,pll2);////PLL Control Register 2
delay(1);
_writeRegister(RA8875_PCSR,pixclk);//Pixel Clock Setting Register
delay(1);
}
/**************************************************************************/
/*!
This return a byte with the error code/s:
bit--------------------------------------------------------------------
0: The display it's not supported!
1: The MOSI or MISO or SCLK choosed for Teensy it's out permitted range!
2: The CS pin you selected it's out permitted range!
3: You have to upgrade to Teensyduino 1.22 or better to use this feature!
4:
5:
6:
7:
0b00000000 = no error
*/
/**************************************************************************/
uint8_t RA8875::errorCode(void)
{
return _errorCode;
}
/**************************************************************************/
/*!
return true when register has done the job, otherwise false.
*/
/**************************************************************************/
boolean RA8875::_waitPoll(uint8_t regname, uint8_t waitflag)
{
uint8_t temp;
unsigned long timeout = millis();
while (1) {
temp = _readRegister(regname);
if (!(temp & waitflag)) return true;
if ((millis() - timeout) > 20) return false;//emergency exit!
}
return false;
}
/**************************************************************************/
/*!
Just another specified wait routine until job it's done
Parameters:
res:
0x80(for most operations),
0x40(BTE wait),
0x01(DMA wait)
*/
/**************************************************************************/
void RA8875::_waitBusy(uint8_t res)
{
uint8_t temp;
unsigned long start = millis();//M.Sandercock
do {
if (res == 0x01) writeCommand(RA8875_DMACR);//dma
temp = readStatus();
if ((millis() - start) > 10) return;
} while ((temp & res) == res);
}
/**************************************************************************/
/*!
Clear memory (different from fillWindow!)
Parameters:
full: true(clear all memory), false(clear active window only)
When in multilayer it automatically clear L1 & L1 and switch back to current layer
*/
/**************************************************************************/
/*
void RA8875::clearMemory(boolean full)
{
uint8_t temp = 0b10000000;
if (!full && !_useMultiLayers) temp |= (1 << 6);//set 6
_writeRegister(RA8875_MCLR,temp);
_waitBusy(0x80);
if (full && _useMultiLayers){
temp = 0b10000000;
uint8_t templ = _currentLayer;//remember current layer
if (templ > 0){//we are in L2
writeTo(L1);//switch to L1
} else {
writeTo(L2);//switch to L2
}
_writeRegister(RA8875_MCLR,temp);
_waitBusy(0x80);
if (templ > 0){//we was in L2
writeTo(L2);//switch back to L2
} else {
writeTo(L1);//switch back to L1
}
}
}
*/
/**************************************************************************/
/*!
Clear memory (different from fillWindow!)
Parameters:
stop: stop clear memory operation
*/
/**************************************************************************/
void RA8875::clearMemory(bool stop)
{
uint8_t temp;
temp = _readRegister(RA8875_MCLR);
stop == true ? temp &= ~(1 << 7) : temp |= (1 << 7);
_writeData(temp);
if (!stop) _waitBusy(0x80);
}
/**************************************************************************/
/*!
Clear the active window
Parameters:
full: false(clear current window), true clear full window
*/
/**************************************************************************/
void RA8875::clearActiveWindow(bool full)
{
uint8_t temp;
temp = _readRegister(RA8875_MCLR);
full == true ? temp &= ~(1 << 6) : temp |= (1 << 6);
_writeData(temp);
//_waitBusy(0x80);
}
/**************************************************************************/
/*!
Clear width BG color
Parameters:
bte: false(clear width BTE BG color), true(clear width font BG color)
*/
/**************************************************************************/
void RA8875::clearWidthColor(bool bte)
{
uint8_t temp;
temp = _readRegister(RA8875_MCLR);
bte == true ? temp &= ~(1 << 0) : temp |= (1 << 0);
_writeData(temp);
//_waitBusy(0x80);
}
/**************************************************************************/
/*!
turn display on/off
*/
/**************************************************************************/
void RA8875::displayOn(boolean on)
{
on == true ? _writeRegister(RA8875_PWRR, RA8875_PWRR_NORMAL | RA8875_PWRR_DISPON) : _writeRegister(RA8875_PWRR, RA8875_PWRR_NORMAL | RA8875_PWRR_DISPOFF);
}
/**************************************************************************/
/*!
Set the Active Window
Parameters:
XL: Horizontal Left
XR: Horizontal Right
YT: Vertical TOP
YB: Vertical Bottom
*/
/**************************************************************************/
void RA8875::setActiveWindow(int16_t XL,int16_t XR ,int16_t YT ,int16_t YB)
{
if (_portrait){ swapvals(XL,YT); swapvals(XR,YB);}
if (XR >= RA8875_WIDTH) XR = RA8875_WIDTH;
if (YB >= RA8875_HEIGHT) YB = RA8875_HEIGHT;
_activeWindowXL = XL; _activeWindowXR = XR;
_activeWindowYT = YT; _activeWindowYB = YB;
_updateActiveWindow(false);
}
/**************************************************************************/
/*!
Set the Active Window as FULL SCREEN
*/
/**************************************************************************/
void RA8875::setActiveWindow(void)
{
_activeWindowXL = 0; _activeWindowXR = RA8875_WIDTH;
_activeWindowYT = 0; _activeWindowYB = RA8875_HEIGHT;
if (_portrait){swapvals(_activeWindowXL,_activeWindowYT); swapvals(_activeWindowXR,_activeWindowYB);}
_updateActiveWindow(true);
}
/**************************************************************************/
/*!
Set the Active Window
Parameters:
XL: Horizontal Left
XR: Horizontal Right
YT: Vertical TOP
YB: Vertical Bottom
*/
/**************************************************************************/
void RA8875::getActiveWindow(int16_t &XL,int16_t &XR ,int16_t &YT ,int16_t &YB)//0.69b24
{
XL = _activeWindowXL; XR = _activeWindowXR;
YT = _activeWindowYT; YB = _activeWindowYB;
}
/**************************************************************************/
/*!
Return the max tft width.
Parameters:
absolute: if true will return the phisical width
*/
/**************************************************************************/
uint16_t RA8875::width(bool absolute) const
{
if (absolute) return RA8875_WIDTH;
return _width;
}
/**************************************************************************/
/*!
Return the max tft height.
Parameters:
absolute: if true will return the phisical height
*/
/**************************************************************************/
uint16_t RA8875::height(bool absolute) const
{
if (absolute) return RA8875_HEIGHT;
return _height;
}
/**************************************************************************/
/*!
Change the mode between graphic and text
Parameters:
m: can be GRAPHIC or TEXT
[private]
*/
/**************************************************************************/
void RA8875::_setTextMode(bool m)
{
if (m == _textMode) return;
writeCommand(RA8875_MWCR0);
//if (m != 0){//text
if (m){//text
_MWCR0_Reg |= (1 << 7);
_textMode = true;
} else {//graph
_MWCR0_Reg &= ~(1 << 7);
_textMode = false;
}
_writeData(_MWCR0_Reg);
}
/**************************************************************************/
/*!
Change the beam scan direction on display
Parameters:
invertH: true(inverted),false(normal) horizontal
invertV: true(inverted),false(normal) vertical
*/
/**************************************************************************/
void RA8875::_scanDirection(boolean invertH,boolean invertV)
{
invertH == true ? _DPCR_Reg |= (1 << 3) : _DPCR_Reg &= ~(1 << 3);
invertV == true ? _DPCR_Reg |= (1 << 2) : _DPCR_Reg &= ~(1 << 2);
_writeRegister(RA8875_DPCR,_DPCR_Reg);
}
/**************************************************************************/
/*!
Change the rotation of the screen
Parameters:
rotation:
0 = default
1 = 90
2 = 180
3 = 270
*/
/**************************************************************************/
void RA8875::setRotation(uint8_t rotation)//0.69b32 - less code
{
_rotation = rotation % 4; //limit to the range 0-3
switch (_rotation) {
case 0:
//default, connector to bottom
_portrait = false;
_scanDirection(0,0);
#if defined(USE_RA8875_TOUCH)
if (!_calibrated) {
_tsAdcMinX = 0; _tsAdcMinY = 0; _tsAdcMaxX = 1023; _tsAdcMaxY = 1023;
} else {
_tsAdcMinX = TOUCSRCAL_XLOW; _tsAdcMinY = TOUCSRCAL_YLOW; _tsAdcMaxX = TOUCSRCAL_XHIGH; _tsAdcMaxY = TOUCSRCAL_YHIGH;
}
#endif
break;
case 1:
//90
_portrait = true;
_scanDirection(1,0);
#if defined(USE_RA8875_TOUCH)
if (!_calibrated) {
_tsAdcMinX = 1023; _tsAdcMinY = 0; _tsAdcMaxX = 0; _tsAdcMaxY = 1023;
} else {
_tsAdcMinX = TOUCSRCAL_XHIGH; _tsAdcMinY = TOUCSRCAL_YLOW; _tsAdcMaxX = TOUCSRCAL_XLOW; _tsAdcMaxY = TOUCSRCAL_YHIGH;
}
#endif
break;