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2023-03-17 11:59:21 +00:00
#include "TFT_ILI9163C.h"
#include <limits.h>
#include "pins_arduino.h"
#include "wiring_private.h"
#include <SPI.h>
//constructors
TFT_ILI9163C::TFT_ILI9163C(uint8_t cspin,uint8_t dcpin,uint8_t rstpin) : Adafruit_GFX(_TFTWIDTH,_TFTHEIGHT){
_cs = cspin;
_rs = dcpin;
_rst = rstpin;
_sid = _sclk = 0;
}
TFT_ILI9163C::TFT_ILI9163C(uint8_t CS, uint8_t DC) : Adafruit_GFX(_TFTWIDTH, _TFTHEIGHT) {
_cs = CS;
_rs = DC;
_rst = 0;
_sid = _sclk = 0;
}
//Arduino Uno, Leonardo, Mega, Teensy 2.0, etc
#ifdef __AVR__
inline void TFT_ILI9163C::spiwrite(uint8_t c){
SPDR = c;
while(!(SPSR & _BV(SPIF)));
}
void TFT_ILI9163C::writecommand(uint8_t c){
*rsport &= ~rspinmask;//low
*csport &= ~cspinmask;//low
spiwrite(c);
*csport |= cspinmask;//hi
}
void TFT_ILI9163C::writedata(uint8_t c){
*rsport |= rspinmask;
*csport &= ~cspinmask;
spiwrite(c);
*csport |= cspinmask;
}
void TFT_ILI9163C::writedata16(uint16_t d){
*rsport |= rspinmask;
*csport &= ~cspinmask;
spiwrite(d >> 8);
spiwrite(d);
*csport |= cspinmask;
}
void TFT_ILI9163C::setBitrate(uint32_t n){
if (n >= 8000000) {
SPI.setClockDivider(SPI_CLOCK_DIV2);
} else if (n >= 4000000) {
SPI.setClockDivider(SPI_CLOCK_DIV4);
} else if (n >= 2000000) {
SPI.setClockDivider(SPI_CLOCK_DIV8);
} else {
SPI.setClockDivider(SPI_CLOCK_DIV16);
}
}
#elif defined(__SAM3X8E__)
// Arduino Due
inline void TFT_ILI9163C::spiwrite(uint8_t c){
SPI.transfer(c);
}
void TFT_ILI9163C::writecommand(uint8_t c){
rsport->PIO_CODR |= rspinmask;//LO
csport->PIO_CODR |= cspinmask;//LO
spiwrite(c);
csport->PIO_SODR |= cspinmask;//HI
}
void TFT_ILI9163C::writedata(uint8_t c){
rsport->PIO_SODR |= rspinmask;//HI
csport->PIO_CODR |= cspinmask;//LO
spiwrite(c);
csport->PIO_SODR |= cspinmask;//HI
}
void TFT_ILI9163C::writedata16(uint16_t d){
rsport->PIO_SODR |= rspinmask;//HI
csport->PIO_CODR |= cspinmask;//LO
spiwrite(d >> 8);
spiwrite(d);
csport->PIO_SODR |= cspinmask;//HI
}
void TFT_ILI9163C::setBitrate(uint32_t n){
uint32_t divider=1;
while (divider < 255) {
if (n >= 84000000 / divider) break;
divider = divider - 1;
}
SPI.setClockDivider(divider);
}
#elif defined(__MK20DX128__) || defined(__MK20DX256__)
//Teensy 3.0 & 3.1
void TFT_ILI9163C::writecommand(uint8_t c){
#if defined(__DMASPI)
SPI0.PUSHR = c | (pcs_command << 16) | SPI_PUSHR_CTAS(0);
while (((SPI0.SR) & (15 << 12)) > (3 << 12)) ; // wait if FIFO full
#else
#endif
}
void TFT_ILI9163C::writedata(uint8_t c){
#if defined(__DMASPI)
SPI0.PUSHR = c | (pcs_data << 16) | SPI_PUSHR_CTAS(0);
while (((SPI0.SR) & (15 << 12)) > (3 << 12)) ; // wait if FIFO full
#else
#endif
}
void TFT_ILI9163C::writedata16(uint16_t d){
#if defined(__DMASPI)
SPI0.PUSHR = d | (pcs_data << 16) | SPI_PUSHR_CTAS(1);
while (((SPI0.SR) & (15 << 12)) > (3 << 12)) ; // wait if FIFO full
#else
#endif
}
static bool spi_pin_is_cs(uint8_t pin){
if (pin == 2 || pin == 6 || pin == 9) return true;
if (pin == 10 || pin == 15) return true;
if (pin >= 20 && pin <= 23) return true;
return false;
}
static uint8_t spi_configure_cs_pin(uint8_t pin){
switch (pin) {
case 10: CORE_PIN10_CONFIG = PORT_PCR_MUX(2); return 0x01; // PTC4
case 2: CORE_PIN2_CONFIG = PORT_PCR_MUX(2); return 0x01; // PTD0
case 9: CORE_PIN9_CONFIG = PORT_PCR_MUX(2); return 0x02; // PTC3
case 6: CORE_PIN6_CONFIG = PORT_PCR_MUX(2); return 0x02; // PTD4
case 20: CORE_PIN20_CONFIG = PORT_PCR_MUX(2); return 0x04; // PTD5
case 23: CORE_PIN23_CONFIG = PORT_PCR_MUX(2); return 0x04; // PTC2
case 21: CORE_PIN21_CONFIG = PORT_PCR_MUX(2); return 0x08; // PTD6
case 22: CORE_PIN22_CONFIG = PORT_PCR_MUX(2); return 0x08; // PTC1
case 15: CORE_PIN15_CONFIG = PORT_PCR_MUX(2); return 0x10; // PTC0
}
return 0;
}
void TFT_ILI9163C::setBitrate(uint32_t n){
if (n >= 24000000) {
ctar = CTAR_24MHz;
} else if (n >= 16000000) {
ctar = CTAR_16MHz;
} else if (n >= 12000000) {
ctar = CTAR_12MHz;
} else if (n >= 8000000) {
ctar = CTAR_8MHz;
} else if (n >= 6000000) {
ctar = CTAR_6MHz;
} else {
ctar = CTAR_4MHz;
}
SIM_SCGC6 |= SIM_SCGC6_SPI0;
SPI0.MCR = SPI_MCR_MDIS | SPI_MCR_HALT;
SPI0.CTAR0 = ctar | SPI_CTAR_FMSZ(7);
SPI0.CTAR1 = ctar | SPI_CTAR_FMSZ(15);
SPI0.MCR = SPI_MCR_MSTR | SPI_MCR_PCSIS(0x1F) | SPI_MCR_CLR_TXF | SPI_MCR_CLR_RXF;
}
#endif //#if defined(TEENSY3.x)
void TFT_ILI9163C::begin(void) {
#ifdef __AVR__
pinMode(_rs, OUTPUT);
pinMode(_cs, OUTPUT);
csport = portOutputRegister(digitalPinToPort(_cs));
rsport = portOutputRegister(digitalPinToPort(_rs));
cspinmask = digitalPinToBitMask(_cs);
rspinmask = digitalPinToBitMask(_rs);
SPI.begin();
SPI.setClockDivider(SPI_CLOCK_DIV4); // 4 MHz (half speed)
//Due defaults to 4mHz (clock divider setting of 21)
SPI.setBitOrder(MSBFIRST);
SPI.setDataMode(SPI_MODE0);
// toggle RST low to reset; CS low so it'll listen to us
*csport &= ~cspinmask;
#elif defined(__SAM3X8E__)
pinMode(_rs, OUTPUT);
pinMode(_cs, OUTPUT);
csport = digitalPinToPort(_cs);
rsport = digitalPinToPort(_rs);
cspinmask = digitalPinToBitMask(_cs);
rspinmask = digitalPinToBitMask(_rs);
SPI.begin();
SPI.setClockDivider(21); // 4 MHz
//Due defaults to 4mHz (clock divider setting of 21), but we'll set it anyway
SPI.setBitOrder(MSBFIRST);
SPI.setDataMode(SPI_MODE0);
// toggle RST low to reset; CS low so it'll listen to us
csport ->PIO_CODR |= cspinmask; // Set control bits to LOW (idle)
#elif defined(__MK20DX128__) || defined(__MK20DX256__)
_sid = 11;
_sclk = 13;
if (spi_pin_is_cs(_cs) && spi_pin_is_cs(_rs)
&& (_sid == 7 || _sid == 11)
&& (_sclk == 13 || _sclk == 14)
&& !(_cs == 2 && _rs == 10) && !(_rs == 2 && _cs == 10)
&& !(_cs == 6 && _rs == 9) && !(_rs == 6 && _cs == 9)
&& !(_cs == 20 && _rs == 23) && !(_rs == 20 && _cs == 23)
&& !(_cs == 21 && _rs == 22) && !(_rs == 21 && _cs == 22)) {
if (_sclk == 13) {
CORE_PIN13_CONFIG = PORT_PCR_MUX(2) | PORT_PCR_DSE;
SPCR.setSCK(13);
} else {
CORE_PIN14_CONFIG = PORT_PCR_MUX(2);
SPCR.setSCK(14);
}
if (_sid == 11) {
CORE_PIN11_CONFIG = PORT_PCR_MUX(2);
SPCR.setMOSI(11);
} else {
CORE_PIN7_CONFIG = PORT_PCR_MUX(2);
SPCR.setMOSI(7);
}
ctar = CTAR_12MHz;
pcs_data = spi_configure_cs_pin(_cs);
pcs_command = pcs_data | spi_configure_cs_pin(_rs);
SIM_SCGC6 |= SIM_SCGC6_SPI0;
SPI0.MCR = SPI_MCR_MDIS | SPI_MCR_HALT;
SPI0.CTAR0 = ctar | SPI_CTAR_FMSZ(7);
SPI0.CTAR1 = ctar | SPI_CTAR_FMSZ(15);
SPI0.MCR = SPI_MCR_MSTR | SPI_MCR_PCSIS(0x1F) | SPI_MCR_CLR_TXF | SPI_MCR_CLR_RXF;
} else {
//error
}
#endif
if (_rst != 0) {
pinMode(_rst, OUTPUT);
digitalWrite(_rst, HIGH);
delay(500);
digitalWrite(_rst, LOW);
delay(500);
digitalWrite(_rst, HIGH);
delay(500);
}
/*
7) MY: 1(bottom to top), 0(top to bottom) Row Address Order
6) MX: 1(R to L), 0(L to R) Column Address Order
5) MV: 1(Exchanged), 0(normal) Row/Column exchange
4) ML: 1(bottom to top), 0(top to bottom) Vertical Refresh Order
3) RGB: 1(BGR), 0(RGB) Color Space
2) MH: 1(R to L), 0(L to R) Horizontal Refresh Order
1)
0)
MY, MX, MV, ML,RGB, MH, D1, D0
0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 //normal
1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 //Y-Mirror
0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 //X-Mirror
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 //X-Y-Mirror
0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 //X-Y Exchange
1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 //X-Y Exchange, Y-Mirror
0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 //XY exchange
1 | 1 | 1 | 0 | 1 | 0 | 0 | 0
*/
_Mactrl_Data = 0b00000000;
_colorspaceData = __COLORSPC;//start with default data;
chipInit();
}
void TFT_ILI9163C::chipInit() {
writecommand(CMD_SWRESET);//software reset
delay(500);
writecommand(CMD_SLPOUT);//exit sleep
delay(5);
writecommand(CMD_PIXFMT);//Set Color Format 16bit
writedata(0x05);
delay(5);
writecommand(CMD_GAMMASET);//default gamma curve 3
writedata(0x04);//0x04
delay(1);
writecommand(CMD_GAMRSEL);//Enable Gamma adj
writedata(0x01);
delay(1);
writecommand(CMD_NORML);
writecommand(CMD_DFUNCTR);
writedata(0b11111111);//
writedata(0b00000110);//
writecommand(CMD_PGAMMAC);//Positive Gamma Correction Setting
#if defined(__GAMMASET1)
writedata(0x36);//p1
writedata(0x29);//p2
writedata(0x12);//p3
writedata(0x22);//p4
writedata(0x1C);//p5
writedata(0x15);//p6
writedata(0x42);//p7
writedata(0xB7);//p8
writedata(0x2F);//p9
writedata(0x13);//p10
writedata(0x12);//p11
writedata(0x0A);//p12
writedata(0x11);//p13
writedata(0x0B);//p14
writedata(0x06);//p15
#else
writedata(0x3F);//p1
writedata(0x25);//p2
writedata(0x1C);//p3
writedata(0x1E);//p4
writedata(0x20);//p5
writedata(0x12);//p6
writedata(0x2A);//p7
writedata(0x90);//p8
writedata(0x24);//p9
writedata(0x11);//p10
writedata(0x00);//p11
writedata(0x00);//p12
writedata(0x00);//p13
writedata(0x00);//p14
writedata(0x00);//p15
#endif
writecommand(CMD_NGAMMAC);//Negative Gamma Correction Setting
#if defined(__GAMMASET1)
writedata(0x09);//p1
writedata(0x16);//p2
writedata(0x2D);//p3
writedata(0x0D);//p4
writedata(0x13);//p5
writedata(0x15);//p6
writedata(0x40);//p7
writedata(0x48);//p8
writedata(0x53);//p9
writedata(0x0C);//p10
writedata(0x1D);//p11
writedata(0x25);//p12
writedata(0x2E);//p13
writedata(0x34);//p14
writedata(0x39);//p15
#else
writedata(0x20);//p1
writedata(0x20);//p2
writedata(0x20);//p3
writedata(0x20);//p4
writedata(0x05);//p5
writedata(0x15);//p6
writedata(0x00);//p7
writedata(0xA7);//p8
writedata(0x3D);//p9
writedata(0x18);//p10
writedata(0x25);//p11
writedata(0x2A);//p12
writedata(0x2B);//p13
writedata(0x2B);//p14
writedata(0x3A);//p15
#endif
writecommand(CMD_FRMCTR1);//Frame Rate Control (In normal mode/Full colors)
writedata(0x08);//0x0C//0x08
writedata(0x02);//0x14//0x08
delay(1);
writecommand(CMD_DINVCTR);//display inversion
writedata(0x07);
delay(1);
writecommand(CMD_PWCTR1);//Set VRH1[4:0] & VC[2:0] for VCI1 & GVDD
writedata(0x0A);//4.30 - 0x0A
writedata(0x02);//0x05
delay(1);
writecommand(CMD_PWCTR2);//Set BT[2:0] for AVDD & VCL & VGH & VGL
writedata(0x02);
delay(1);
writecommand(CMD_VCOMCTR1);//Set VMH[6:0] & VML[6:0] for VOMH & VCOML
writedata(0x50);//0x50
writedata(99);//0x5b
delay(1);
writecommand(CMD_VCOMOFFS);
writedata(0);//0x40
delay(1);
writecommand(CMD_CLMADRS);//Set Column Address
writedata(0x00);
writedata(0X00);
writedata(0X00);
writedata(_GRAMWIDTH);
writecommand(CMD_PGEADRS);//Set Page Address
writedata(0x00);
writedata(0X00);
writedata(0X00);
writedata(_GRAMHEIGH);
colorSpace(_colorspaceData);
setRotation(0);
writecommand(CMD_DISPON);//display ON
delay(1);
writecommand(CMD_RAMWR);//Memory Write
delay(1);
fillScreen(BLACK);
}
/*
Colorspace selection:
0: RGB
1: GBR
*/
void TFT_ILI9163C::colorSpace(uint8_t cspace) {
if (cspace < 1){
bitClear(_Mactrl_Data,3);
} else {
bitSet(_Mactrl_Data,3);
}
}
void TFT_ILI9163C::clearScreen(uint16_t color) {
homeAddress();
for (int px=0;px < _GRAMSIZE; px++){
writedata16(color);
}
}
void TFT_ILI9163C::homeAddress() {
setAddrWindow(0x00,0x00,_GRAMWIDTH-1,_GRAMHEIGH-1);
}
void TFT_ILI9163C::setCursor(int16_t x, int16_t y) {
if (boundaryCheck(x,y)) return;
setAddrWindow(0x00,0x00,x,y);
cursor_x = x;
cursor_y = y;
}
void TFT_ILI9163C::pushColor(uint16_t color) {
writedata16(color);
}
void TFT_ILI9163C::drawPixel(int16_t x, int16_t y, uint16_t color) {
if (boundaryCheck(x,y)) return;
if ((x < 0) || (y < 0)) return;
setAddrWindow(x,y,x+1,y+1);
writedata16(color);
}
void TFT_ILI9163C::drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color) {
// Rudimentary clipping
if (boundaryCheck(x,y)) return;
if (((y + h) - 1) >= _height) h = _height-y;
setAddrWindow(x,y,x,(y+h)-1);
while (h--) {
writedata16(color);
}
}
bool TFT_ILI9163C::boundaryCheck(int16_t x,int16_t y){
if ((x >= _width) || (y >= _height)) return true;
return false;
}
void TFT_ILI9163C::drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color) {
// Rudimentary clipping
if (boundaryCheck(x,y)) return;
if (((x+w) - 1) >= _width) w = _width-x;
setAddrWindow(x,y,(x+w)-1,y);
while (w--) {
writedata16(color);
}
}
void TFT_ILI9163C::fillScreen(uint16_t color) {
clearScreen(color);
}
// fill a rectangle
void TFT_ILI9163C::fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color) {
if (boundaryCheck(x,y)) return;
if (((x + w) - 1) >= _width) w = _width - x;
if (((y + h) - 1) >= _height) h = _height - y;
setAddrWindow(x,y,(x+w)-1,(y+h)-1);
for (y = h;y > 0;y--) {
for (x = w;x > 0;x--) {
writedata16(color);
}
}
}
// Pass 8-bit (each) R,G,B, get back 16-bit packed color
uint16_t TFT_ILI9163C::Color565(uint8_t r, uint8_t g, uint8_t b) {
return ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3);
}
void TFT_ILI9163C::setAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
writecommand(CMD_CLMADRS); // Column
if (rotation == 0){
writedata16(x0);
writedata16(x1);
} else if (rotation == 1){
writedata16(x0 + __OFFSET);
writedata16(x1 + __OFFSET);
} else if (rotation == 2){
writedata16(x0);
writedata16(x1);
} else {
writedata16(x0);
writedata16(x1);
}
writecommand(CMD_PGEADRS); // Page
if (rotation == 0){
writedata16(y0 + __OFFSET);
writedata16(y1 + __OFFSET);
} else if (rotation == 1){
writedata16(y0);
writedata16(y1);
} else if (rotation == 2){
writedata16(y0);
writedata16(y1);
} else {
writedata16(y0);
writedata16(y1);
}
writecommand(CMD_RAMWR); //Into RAM
}
void TFT_ILI9163C::setRotation(uint8_t m) {
rotation = m % 4; // can't be higher than 3
switch (rotation) {
case 0:
_Mactrl_Data = 0b00001000;
_width = _TFTWIDTH;
_height = _TFTHEIGHT;//-__OFFSET;
break;
case 1:
_Mactrl_Data = 0b01101000;
_width = _TFTHEIGHT;//-__OFFSET;
_height = _TFTWIDTH;
break;
case 2:
_Mactrl_Data = 0b11001000;
_width = _TFTWIDTH;
_height = _TFTHEIGHT;//-__OFFSET;
break;
case 3:
_Mactrl_Data = 0b10101000;
_width = _TFTWIDTH;
_height = _TFTHEIGHT;//-__OFFSET;
break;
}
colorSpace(_colorspaceData);
writecommand(CMD_MADCTL);
writedata(_Mactrl_Data);
}
void TFT_ILI9163C::invertDisplay(boolean i) {
writecommand(i ? CMD_DINVON : CMD_DINVOF);
}