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HX8357_t3.cpp
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HX8357_t3.cpp
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// https://github.com/PaulStoffregen/HX8357_t3
// http://forum.pjrc.com/threads/26305-Highly-optimized-HX8357-(320x240-TFT-color-display)-library
/***************************************************
This is our library for the Adafruit HX8357 Breakout and Shield
----> http://www.adafruit.com/products/1651
Check out the links above for our tutorials and wiring diagrams
These displays use SPI to communicate, 4 or 5 pins are required to
interface (RST is optional)
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
Written by Limor Fried/Ladyada for Adafruit Industries.
MIT license, all text above must be included in any redistribution
****************************************************/
// <SoftEgg>
//Additional graphics routines by Tim Trzepacz, SoftEgg LLC added December 2015
//(And then accidentally deleted and rewritten March 2016. Oops!)
//Gradient support
//----------------
// fillRectVGradient - fills area with vertical gradient
// fillRectHGradient - fills area with horizontal gradient
// fillScreenVGradient - fills screen with vertical gradient
// fillScreenHGradient - fills screen with horizontal gradient
//Additional Color Suppor
//------------------------
// color565toRGB - converts 565 format 16 bit color to RGB
// color565toRGB14 - converts 16 bit 565 format color to 14 bit RGB (2 bits clear for math and sign)
// RGB14tocolor565 - converts 14 bit RGB back to 16 bit 565 format color
//Low Memory Bitmap Support
//-------------------------
// writeRect8BPP - write 8 bit per pixel paletted bitmap
// writeRect4BPP - write 4 bit per pixel paletted bitmap
// writeRect2BPP - write 2 bit per pixel paletted bitmap
// writeRect1BPP - write 1 bit per pixel paletted bitmap
//TODO: transparent bitmap writing routines for sprites
//String Pixel Length support
//---------------------------
// strPixelLen - gets pixel length of given ASCII string
// <\SoftEgg>
#include "HX8357_t3.h"
#include <SPI.h>
// Teensy 3.1 can only generate 30 MHz SPI when running at 120 MHz (overclock)
// At all other speeds, SPI.beginTransaction() will use the fastest available clock
#define SPICLOCK 30000000
#define WIDTH HX8357_TFTWIDTH
#define HEIGHT HX8357_TFTHEIGHT
// Constructor when using hardware SPI. Faster, but must use SPI pins
// specific to each board type (e.g. 11,13 for Uno, 51,52 for Mega, etc.)
HX8357_t3::HX8357_t3(uint8_t cs, uint8_t dc, uint8_t rst, uint8_t mosi, uint8_t sclk, uint8_t miso)
{
_cs = cs;
_dc = dc;
_rst = rst;
_mosi = mosi;
_sclk = sclk;
_miso = miso;
_width = WIDTH;
_height = HEIGHT;
rotation = 0;
cursor_y = cursor_x = 0;
textsize = 1;
textcolor = textbgcolor = 0xFFFF;
wrap = true;
font = NULL;
}
void HX8357_t3::setAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
{
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
setAddr(x0, y0, x1, y1);
writecommand_last(HX8357_RAMWR); // write to RAM
SPI.endTransaction();
}
void HX8357_t3::pushColor(uint16_t color)
{
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
writedata16_last(color);
SPI.endTransaction();
}
void HX8357_t3::drawPixel(int16_t x, int16_t y, uint16_t color) {
if((x < 0) ||(x >= _width) || (y < 0) || (y >= _height)) return;
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
setAddr(x, y, x, y);
writecommand_cont(HX8357_RAMWR);
writedata16_last(color);
SPI.endTransaction();
}
void HX8357_t3::drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color)
{
// Rudimentary clipping
if((x >= _width) || (x < 0) || (y >= _height)) return;
if(y < 0) { h += y; y = 0; }
if((y+h-1) >= _height) h = _height-y;
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
setAddr(x, y, x, y+h-1);
writecommand_cont(HX8357_RAMWR);
while (h-- > 1) {
writedata16_cont(color);
}
writedata16_last(color);
SPI.endTransaction();
}
void HX8357_t3::drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color)
{
// Rudimentary clipping
if((x >= _width) || (y >= _height) || (y < 0)) return;
if(x < 0) { w += x; x = 0; }
if((x+w-1) >= _width) w = _width-x;
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
setAddr(x, y, x+w-1, y);
writecommand_cont(HX8357_RAMWR);
while (w-- > 1) {
writedata16_cont(color);
}
writedata16_last(color);
SPI.endTransaction();
}
void HX8357_t3::fillScreen(uint16_t color)
{
fillRect(0, 0, _width, _height, color);
}
// fill a rectangle
void HX8357_t3::fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color)
{
// rudimentary clipping (drawChar w/big text requires this)
if((x >= _width) || (y >= _height)) return;
if(x < 0) { w += x; x = 0; }
if(y < 0) { h += y; y = 0; }
if((x + w - 1) >= _width) w = _width - x;
if((y + h - 1) >= _height) h = _height - y;
// TODO: this can result in a very long transaction time
// should break this into multiple transactions, even though
// it'll cost more overhead, so we don't stall other SPI libs
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
setAddr(x, y, x+w-1, y+h-1);
writecommand_cont(HX8357_RAMWR);
for(y=h; y>0; y--) {
for(x=w; x>1; x--) {
writedata16_cont(color);
}
writedata16_last(color);
if (y > 1 && (y & 1)) {
SPI.endTransaction();
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
}
}
SPI.endTransaction();
}
// fillRectVGradient - fills area with vertical gradient
void HX8357_t3::fillRectVGradient(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color1, uint16_t color2)
{
// rudimentary clipping (drawChar w/big text requires this)
if((x >= _width) || (y >= _height)) return;
if((x + w - 1) >= _width) w = _width - x;
if((y + h - 1) >= _height) h = _height - y;
int16_t r1, g1, b1, r2, g2, b2, dr, dg, db, r, g, b;
color565toRGB14(color1,r1,g1,b1);
color565toRGB14(color2,r2,g2,b2);
dr=(r2-r1)/h; dg=(g2-g1)/h; db=(b2-b1)/h;
r=r1;g=g1;b=b1;
// TODO: this can result in a very long transaction time
// should break this into multiple transactions, even though
// it'll cost more overhead, so we don't stall other SPI libs
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
setAddr(x, y, x+w-1, y+h-1);
writecommand_cont(HX8357_RAMWR);
for(y=h; y>0; y--) {
uint16_t color = RGB14tocolor565(r,g,b);
for(x=w; x>1; x--) {
writedata16_cont(color);
}
writedata16_last(color);
if (y > 1 && (y & 1)) {
SPI.endTransaction();
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
}
r+=dr;g+=dg; b+=db;
}
SPI.endTransaction();
}
// fillRectHGradient - fills area with horizontal gradient
void HX8357_t3::fillRectHGradient(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color1, uint16_t color2)
{
// rudimentary clipping (drawChar w/big text requires this)
if((x >= _width) || (y >= _height)) return;
if((x + w - 1) >= _width) w = _width - x;
if((y + h - 1) >= _height) h = _height - y;
int16_t r1, g1, b1, r2, g2, b2, dr, dg, db, r, g, b;
color565toRGB14(color1,r1,g1,b1);
color565toRGB14(color2,r2,g2,b2);
dr=(r2-r1)/h; dg=(g2-g1)/h; db=(b2-b1)/h;
r=r1;g=g1;b=b1;
// TODO: this can result in a very long transaction time
// should break this into multiple transactions, even though
// it'll cost more overhead, so we don't stall other SPI libs
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
setAddr(x, y, x+w-1, y+h-1);
writecommand_cont(HX8357_RAMWR);
for(y=h; y>0; y--) {
uint16_t color;
for(x=w; x>1; x--) {
color = RGB14tocolor565(r,g,b);
writedata16_cont(color);
r+=dr;g+=dg; b+=db;
}
color = RGB14tocolor565(r,g,b);
writedata16_last(color);
if (y > 1 && (y & 1)) {
SPI.endTransaction();
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
}
r=r1;g=g1;b=b1;
}
SPI.endTransaction();
}
// fillScreenVGradient - fills screen with vertical gradient
void HX8357_t3::fillScreenVGradient(uint16_t color1, uint16_t color2)
{
fillRectVGradient(0,0,_width,_height,color1,color2);
}
// fillScreenHGradient - fills screen with horizontal gradient
void HX8357_t3::fillScreenHGradient(uint16_t color1, uint16_t color2)
{
fillRectHGradient(0,0,_width,_height,color1,color2);
}
#define MADCTL_MY 0x80
#define MADCTL_MX 0x40
#define MADCTL_MV 0x20
#define MADCTL_ML 0x10
#define MADCTL_RGB 0x00
#define MADCTL_BGR 0x08
#define MADCTL_MH 0x04
void HX8357_t3::setRotation(uint8_t m)
{
rotation = m % 4; // can't be higher than 3
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
writecommand_cont(HX8357_MADCTL);
switch (rotation) {
case 0:
writedata8_last(MADCTL_MX | MADCTL_MY | MADCTL_RGB);
_width = HX8357_TFTWIDTH;
_height = HX8357_TFTHEIGHT;
break;
case 1:
writedata8_last(MADCTL_MV | MADCTL_MY | MADCTL_RGB);
_width = HX8357_TFTHEIGHT;
_height = HX8357_TFTWIDTH;
break;
case 2:
writedata8_last(MADCTL_RGB);
_width = HX8357_TFTWIDTH;
_height = HX8357_TFTHEIGHT;
break;
case 3:
writedata8_last(MADCTL_MX | MADCTL_MV | MADCTL_RGB);
_width = HX8357_TFTHEIGHT;
_height = HX8357_TFTWIDTH;
break;
}
SPI.endTransaction();
cursor_x = 0;
cursor_y = 0;
}
void HX8357_t3::setScroll(uint16_t offset)
{
/*SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
writecommand_cont(HX8357_VSCRSADD);
writedata16_last(offset);
SPI.endTransaction();*/
}
void HX8357_t3::invertDisplay(boolean i)
{
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
writecommand_last(i ? HX8357_INVON : HX8357_INVOFF);
SPI.endTransaction();
}
/*
uint8_t HX8357_t3::readdata(void)
{
uint8_t r;
// Try to work directly with SPI registers...
// First wait until output queue is empty
uint16_t wTimeout = 0xffff;
while (((KINETISK_SPI0.SR) & (15 << 12)) && (--wTimeout)) ; // wait until empty
// KINETISK_SPI0.MCR |= SPI_MCR_CLR_RXF; // discard any received data
// KINETISK_SPI0.SR = SPI_SR_TCF;
// Transfer a 0 out...
writedata8_cont(0);
// Now wait until completed.
wTimeout = 0xffff;
while (((KINETISK_SPI0.SR) & (15 << 12)) && (--wTimeout)) ; // wait until empty
r = KINETISK_SPI0.POPR; // get the received byte... should check for it first...
return r;
}
*/
uint8_t HX8357_t3::readcommand8(uint8_t c, uint8_t index)
{
uint16_t wTimeout = 0xffff;
uint8_t r=0;
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
while (((KINETISK_SPI0.SR) & (15 << 12)) && (--wTimeout)) ; // wait until empty
// Make sure the last frame has been sent...
KINETISK_SPI0.SR = SPI_SR_TCF; // dlear it out;
wTimeout = 0xffff;
while (!((KINETISK_SPI0.SR) & SPI_SR_TCF) && (--wTimeout)) ; // wait until it says the last frame completed
// clear out any current received bytes
wTimeout = 0x10; // should not go more than 4...
while ((((KINETISK_SPI0.SR) >> 4) & 0xf) && (--wTimeout)) {
r = KINETISK_SPI0.POPR;
}
//writecommand(0xD9); // sekret command
KINETISK_SPI0.PUSHR = 0xD9 | (pcs_command << 16) | SPI_PUSHR_CTAS(0) | SPI_PUSHR_CONT;
// while (((KINETISK_SPI0.SR) & (15 << 12)) > (3 << 12)) ; // wait if FIFO full
// writedata(0x10 + index);
KINETISK_SPI0.PUSHR = (0x10 + index) | (pcs_data << 16) | SPI_PUSHR_CTAS(0);
// while (((KINETISK_SPI0.SR) & (15 << 12)) > (3 << 12)) ; // wait if FIFO full
// writecommand(c);
KINETISK_SPI0.PUSHR = c | (pcs_command << 16) | SPI_PUSHR_CTAS(0) | SPI_PUSHR_CONT;
// while (((KINETISK_SPI0.SR) & (15 << 12)) > (3 << 12)) ; // wait if FIFO full
// readdata
KINETISK_SPI0.PUSHR = 0 | (pcs_data << 16) | SPI_PUSHR_CTAS(0);
// while (((KINETISK_SPI0.SR) & (15 << 12)) > (3 << 12)) ; // wait if FIFO full
// Now wait until completed.
wTimeout = 0xffff;
while (((KINETISK_SPI0.SR) & (15 << 12)) && (--wTimeout)) ; // wait until empty
// Make sure the last frame has been sent...
KINETISK_SPI0.SR = SPI_SR_TCF; // dlear it out;
wTimeout = 0xffff;
while (!((KINETISK_SPI0.SR) & SPI_SR_TCF) && (--wTimeout)) ; // wait until it says the last frame completed
wTimeout = 0x10; // should not go more than 4...
// lets get all of the values on the FIFO
while ((((KINETISK_SPI0.SR) >> 4) & 0xf) && (--wTimeout)) {
r = KINETISK_SPI0.POPR;
}
SPI.endTransaction();
return r; // get the received byte... should check for it first...
}
// Read Pixel at x,y and get back 16-bit packed color
uint16_t HX8357_t3::readPixel(int16_t x, int16_t y)
{
uint8_t dummy __attribute__((unused));
uint8_t r,g,b;
SPI.beginTransaction(SPISettings(2000000, MSBFIRST, SPI_MODE0));
setAddr(x, y, x, y);
writecommand_cont(HX8357_RAMRD); // read from RAM
waitTransmitComplete();
// Push 4 bytes over SPI
KINETISK_SPI0.PUSHR = 0 | (pcs_data << 16) | SPI_PUSHR_CTAS(0)| SPI_PUSHR_CONT;
waitFifoEmpty(); // wait for both queues to be empty.
KINETISK_SPI0.PUSHR = 0 | (pcs_data << 16) | SPI_PUSHR_CTAS(0)| SPI_PUSHR_CONT;
KINETISK_SPI0.PUSHR = 0 | (pcs_data << 16) | SPI_PUSHR_CTAS(0)| SPI_PUSHR_CONT;
KINETISK_SPI0.PUSHR = 0 | (pcs_data << 16) | SPI_PUSHR_CTAS(0)| SPI_PUSHR_EOQ;
// Wait for End of Queue
while ((KINETISK_SPI0.SR & SPI_SR_EOQF) == 0) ;
KINETISK_SPI0.SR = SPI_SR_EOQF; // make sure it is clear
// Read Pixel Data
dummy = KINETISK_SPI0.POPR; // Read a DUMMY byte of GRAM
r = KINETISK_SPI0.POPR; // Read a RED byte of GRAM
g = KINETISK_SPI0.POPR; // Read a GREEN byte of GRAM
b = KINETISK_SPI0.POPR; // Read a BLUE byte of GRAM
SPI.endTransaction();
return color565(r,g,b);
}
// Now lets see if we can read in multiple pixels
void HX8357_t3::readRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t *pcolors)
{
uint8_t dummy __attribute__((unused));
uint8_t r,g,b;
uint16_t c = w * h;
SPI.beginTransaction(SPISettings(2000000, MSBFIRST, SPI_MODE0));
setAddr(x, y, x+w-1, y+h-1);
writecommand_cont(HX8357_RAMRD); // read from RAM
waitTransmitComplete();
KINETISK_SPI0.PUSHR = 0 | (pcs_data << 16) | SPI_PUSHR_CTAS(0)| SPI_PUSHR_CONT | SPI_PUSHR_EOQ;
while ((KINETISK_SPI0.SR & SPI_SR_EOQF) == 0) ;
KINETISK_SPI0.SR = SPI_SR_EOQF; // make sure it is clear
while ((KINETISK_SPI0.SR & 0xf0)) {
dummy = KINETISK_SPI0.POPR; // Read a DUMMY byte but only once
}
c *= 3; // number of bytes we will transmit to the display
while (c--) {
if (c) {
KINETISK_SPI0.PUSHR = 0 | (pcs_data << 16) | SPI_PUSHR_CTAS(0)| SPI_PUSHR_CONT;
} else {
KINETISK_SPI0.PUSHR = 0 | (pcs_data << 16) | SPI_PUSHR_CTAS(0)| SPI_PUSHR_EOQ;
}
// If last byte wait until all have come in...
if (c == 0) {
while ((KINETISK_SPI0.SR & SPI_SR_EOQF) == 0) ;
KINETISK_SPI0.SR = SPI_SR_EOQF; // make sure it is clear
}
if ((KINETISK_SPI0.SR & 0xf0) >= 0x30) { // do we have at least 3 bytes in queue if so extract...
r = KINETISK_SPI0.POPR; // Read a RED byte of GRAM
g = KINETISK_SPI0.POPR; // Read a GREEN byte of GRAM
b = KINETISK_SPI0.POPR; // Read a BLUE byte of GRAM
*pcolors++ = color565(r,g,b);
}
// like waitFiroNotFull but does not pop our return queue
while ((KINETISK_SPI0.SR & (15 << 12)) > (3 << 12)) ;
}
SPI.endTransaction();
}
// Now lets see if we can writemultiple pixels
void HX8357_t3::writeRect(int16_t x, int16_t y, int16_t w, int16_t h, const uint16_t *pcolors)
{
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
setAddr(x, y, x+w-1, y+h-1);
writecommand_cont(HX8357_RAMWR);
for(y=h; y>0; y--) {
for(x=w; x>1; x--) {
writedata16_cont(*pcolors++);
}
writedata16_last(*pcolors++);
}
SPI.endTransaction();
}
// writeRect8BPP - write 8 bit per pixel paletted bitmap
// bitmap data in array at pixels, one byte per pixel
// color palette data in array at palette
void HX8357_t3::writeRect8BPP(int16_t x, int16_t y, int16_t w, int16_t h, const uint8_t *pixels, const uint16_t * palette )
{
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
setAddr(x, y, x+w-1, y+h-1);
writecommand_cont(HX8357_RAMWR);
for(y=h; y>0; y--) {
for(x=w; x>1; x--) {
writedata16_cont(palette[*pixels++]);
}
writedata16_last(palette[*pixels++]);
}
SPI.endTransaction();
}
// writeRect4BPP - write 4 bit per pixel paletted bitmap
// bitmap data in array at pixels, 4 bits per pixel
// color palette data in array at palette
// width must be at least 2 pixels
void HX8357_t3::writeRect4BPP(int16_t x, int16_t y, int16_t w, int16_t h, const uint8_t *pixels, const uint16_t * palette )
{
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
setAddr(x, y, x+w-1, y+h-1);
writecommand_cont(HX8357_RAMWR);
for(y=h; y>0; y--) {
for(x=w; x>2; x-=2) {
writedata16_cont(palette[((*pixels)>>4)&0xF]);
writedata16_cont(palette[(*pixels++)&0xF]);
}
writedata16_cont(palette[((*pixels)>>4)&0xF]);
writedata16_last(palette[(*pixels++)&0xF]);
}
SPI.endTransaction();
}
// writeRect2BPP - write 2 bit per pixel paletted bitmap
// bitmap data in array at pixels, 4 bits per pixel
// color palette data in array at palette
// width must be at least 4 pixels
void HX8357_t3::writeRect2BPP(int16_t x, int16_t y, int16_t w, int16_t h, const uint8_t *pixels, const uint16_t * palette )
{
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
setAddr(x, y, x+w-1, y+h-1);
writecommand_cont(HX8357_RAMWR);
for(y=h; y>0; y--) {
for(x=w; x>4; x-=4) {
//unrolled loop might be faster?
writedata16_cont(palette[((*pixels)>>6)&0x3]);
writedata16_cont(palette[((*pixels)>>4)&0x3]);
writedata16_cont(palette[((*pixels)>>2)&0x3]);
writedata16_cont(palette[(*pixels++)&0x3]);
}
writedata16_cont(palette[((*pixels)>>6)&0x3]);
writedata16_cont(palette[((*pixels)>>4)&0x3]);
writedata16_cont(palette[((*pixels)>>2)&0x3]);
writedata16_last(palette[(*pixels++)&0x3]);
}
SPI.endTransaction();
}
// writeRect1BPP - write 1 bit per pixel paletted bitmap
// bitmap data in array at pixels, 4 bits per pixel
// color palette data in array at palette
// width must be at least 8 pixels
void HX8357_t3::writeRect1BPP(int16_t x, int16_t y, int16_t w, int16_t h, const uint8_t *pixels, const uint16_t * palette )
{
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
setAddr(x, y, x+w-1, y+h-1);
writecommand_cont(HX8357_RAMWR);
for(y=h; y>0; y--) {
for(x=w; x>8; x-=8) {
//unrolled loop might be faster?
writedata16_cont(palette[((*pixels)>>7)&0x1]);
writedata16_cont(palette[((*pixels)>>6)&0x1]);
writedata16_cont(palette[((*pixels)>>5)&0x1]);
writedata16_cont(palette[((*pixels)>>4)&0x1]);
writedata16_cont(palette[((*pixels)>>3)&0x1]);
writedata16_cont(palette[((*pixels)>>2)&0x1]);
writedata16_cont(palette[((*pixels)>>1)&0x1]);
writedata16_cont(palette[(*pixels++)&0x1]);
}
writedata16_cont(palette[((*pixels)>>7)&0x1]);
writedata16_cont(palette[((*pixels)>>6)&0x1]);
writedata16_cont(palette[((*pixels)>>5)&0x1]);
writedata16_cont(palette[((*pixels)>>4)&0x1]);
writedata16_cont(palette[((*pixels)>>3)&0x1]);
writedata16_cont(palette[((*pixels)>>2)&0x1]);
writedata16_cont(palette[((*pixels)>>1)&0x1]);
writedata16_last(palette[(*pixels++)&0x1]);
}
SPI.endTransaction();
}
/*static const uint8_t init_commands_B[] = {
4, 0xEF, 0x03, 0x80, 0x02,
4, 0xCF, 0x00, 0XC1, 0X30,
5, 0xED, 0x64, 0x03, 0X12, 0X81,
4, 0xE8, 0x85, 0x00, 0x78,
6, 0xCB, 0x39, 0x2C, 0x00, 0x34, 0x02,
2, 0xF7, 0x20,
3, 0xEA, 0x00, 0x00,
//2, HX8357_PWCTR1, 0x23, // Power control
//2, HX8357_PWCTR2, 0x10, // Power control
//3, HX8357_VMCTR1, 0x3e, 0x28, // VCM control
//2, HX8357_VMCTR2, 0x86, // VCM control2
2, HX8357_MADCTL, 0xC0, // Memory Access Control
2, HX8357_PIXFMT, 0x55,
3, HX8357_FRMCTR1, 0x00, 0x18,
4, HX8357_DFUNCTR, 0x08, 0x82, 0x27, // Display Function Control
2, 0xF2, 0x00, // Gamma Function Disable
2, HX8357_GAMMASET, 0x01, // Gamma curve selected
16, HX8357_GMCTRP1, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08,
0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00, // Set Gamma
16, HX8357_GMCTRN1, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07,
0x31, 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F, // Set Gamma
3, 0xb1, 0x00, 0x10, // FrameRate Control 119Hz
0
};*/
static const uint8_t test_cmds[] = {
1, HX8357_SWRESET,
1, HX8357_SLPOUT, // exit sleep
1, HX8357_DISPON, // display on
1, HX8357_DISPOFF, // display off
1, HX8357_DISPON, // display oN
4, HX8357D_SETC, 0xFF, 0x83, 0x57,
5, HX8357_SETRGB, 0x80, 0x00, 0X06, 0X06, // enable SDO pin
2, HX8357D_SETCOM, 0x25, // -1.52V
2, HX8357_SETOSC, 0x68, // Normal mode 70Hz, Idle mode 55 Hz
2, HX8357_SETPANEL, 0x05, // BGR, Gate direction swapped
7, HX8357_SETPWR1, 0x00, 0x15, 0x1C, 0x1C, 0x83, 0xAA,
7, HX8357D_SETSTBA, 0x50, 0x50, 0x01, 0x3C, 0x1E, 0x08,
8, HX8357D_SETCYC, 0x02, 0x40, 0x00, 0x2A, 0x2A, 0x0D, 0x78,
35, HX8357D_SETGAMMA, 0x02, 0x0A, 0x11, 0x1d, 0x23, 0x35, 0x41,
0x4b, 0x4b, 0x42, 0x3A, 0x27, 0x1B, 0x08,
0x09, 0x03, 0x02, 0x0A, 0x11, 0x1d, 0x23,
0x35, 0x41, 0x4b, 0x4b, 0x42, 0x3A, 0x27,
0x1B, 0x08, 0x09, 0x03, 0x00, 0x01, // Gamma curve selected
2, HX8357_COLMOD, 0x55, //16 bit format
2, HX8357_MADCTL, 0xC0, // Memory Access Control
2, HX8357_TEON, 0x00,
3, HX8357_TEARLINE, 0x00, 0x02,
0
};
void HX8357_t3::begin(uint8_t type)
{
// verify SPI pins are valid;
#if defined(__MK64FX512__) || defined(__MK66FX1M0__)
if ((_mosi == 11 || _mosi == 7 || _mosi == 28) && (_miso == 12 || _miso == 8 || _miso == 39)
&& (_sclk == 13 || _sclk == 14 || _sclk == 27)) {
#else
if ((_mosi == 11 || _mosi == 7) && (_miso == 12 || _miso == 8) && (_sclk == 13 || _sclk == 14)) {
#endif
SPI.setMOSI(_mosi);
SPI.setMISO(_miso);
SPI.setSCK(_sclk);
} else
return; // not valid pins...
SPI.begin();
if (SPI.pinIsChipSelect(_cs, _dc)) {
pcs_data = SPI.setCS(_cs);
pcs_command = pcs_data | SPI.setCS(_dc);
} else {
pcs_data = 0;
pcs_command = 0;
return;
}
// toggle RST low to reset
if (_rst < 255) {
pinMode(_rst, OUTPUT);
digitalWrite(_rst, HIGH);
delay(5);
digitalWrite(_rst, LOW);
delay(20);
digitalWrite(_rst, HIGH);
delay(150);
}
/*uint8_t x = readcommand8(HX8357_RDMODE);
Serial.print("\nDisplay Power Mode: 0x"); Serial.println(x, HEX);
x = readcommand8(HX8357_RDMADCTL);
Serial.print("\nMADCTL Mode: 0x"); Serial.println(x, HEX);
x = readcommand8(HX8357_RDPIXFMT);
Serial.print("\nPixel Format: 0x"); Serial.println(x, HEX);
x = readcommand8(HX8357_RDIMGFMT);
Serial.print("\nImage Format: 0x"); Serial.println(x, HEX);
x = readcommand8(HX8357_RDSELFDIAG);
Serial.print("\nSelf Diagnostic: 0x"); Serial.println(x, HEX);
*/
/****************** Initialization Sequences ****************/
if (type == HX8357B) {
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
//Serial.println("linux HX8357B");
// seqpower
writecommand_cont(HX8357B_SETPOWER);
writedata8_cont(0x44);
writedata8_cont(0x41);
writedata8_cont(0x06);
// seq_vcom
writecommand_cont(HX8357B_SETVCOM);
writedata8_cont(0x40);
writedata8_cont(0x10);
// seq_power_normal
writecommand_cont(HX8357B_SETPWRNORMAL);
writedata8_cont(0x05);
writedata8_cont(0x12);
// seq_panel_driving
writecommand_cont(HX8357B_SET_PANEL_DRIVING);
writedata8_cont(0x14);
writedata8_cont(0x3b);
writedata8_cont(0x00);
writedata8_cont(0x02);
writedata8_cont(0x11);
// seq_display_frame
writecommand_cont(HX8357B_SETDISPLAYFRAME);
writedata8_cont(0x0c); // 6.8mhz
// seq_panel_related
writecommand_cont(HX8357B_SETPANELRELATED);
writedata8_cont(0x01); // BGR
// seq_undefined1
writecommand_cont(0xEA);
writedata8_cont(0x03);
writedata8_cont(0x00);
writedata8_cont(0x00);
// undef2
writecommand_cont(0xEB);
writedata8_cont(0x40);
writedata8_cont(0x54);
writedata8_cont(0x26);
writedata8_cont(0xdb);
// seq_gamma
writecommand_cont(HX8357B_SETGAMMA); // 0xC8
writedata8_cont(0x00);
writedata8_cont(0x15);
writedata8_cont(0x00);
writedata8_cont(0x22);
writedata8_cont(0x00);
writedata8_cont(0x08);
writedata8_cont(0x77);
writedata8_cont(0x26);
writedata8_cont(0x66);
writedata8_cont(0x22);
writedata8_cont(0x04);
writedata8_cont(0x00);
// seq_addr mode
writecommand_cont(HX8357_MADCTL);
writedata8_cont(0xC0);
// pixel format
writecommand_cont(HX8357_COLMOD);
writedata8_cont(0x55);
// set up whole address box
// paddr
writecommand_cont(HX8357_PASET);
writedata8_cont(0x00);
writedata8_cont(0x00);
writedata8_cont(0x01);
writedata8_cont(0xDF);
// caddr
writecommand_cont(HX8357_CASET);
writedata8_cont(0x00);
writedata8_cont(0x00);
writedata8_cont(0x01);
writedata8_cont(0x3F);
// display mode
writecommand_cont(HX8357B_SETDISPMODE);
writedata8_cont(0x00); // CPU (DBI) and internal oscillation ??
// exit sleep
writecommand_last(HX8357_SLPOUT);
SPI.endTransaction();
delay(120);
// main screen turn on
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
writecommand_last(HX8357_DISPON);
SPI.endTransaction();
delay(10);
} else if (type == HX8357D) {
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
writecommand_last(HX8357_SWRESET);
SPI.endTransaction();
delay(10);
// setextc
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
writecommand_cont(HX8357D_SETC);
writedata8_cont(0xFF);
writedata8_cont(0x83);
writedata8_last(0x57);
SPI.endTransaction();
delay(300);
// setRGB which also enables SDO
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
writecommand_cont(HX8357_SETRGB);
writedata8_cont(0x80); //enable SDO pin!
// writedata(0x00); //disable SDO pin!
writedata8_cont(0x0);
writedata8_cont(0x06);
writedata8_cont(0x06);
writecommand_cont(HX8357D_SETCOM);
writedata8_cont(0x25); // -1.52V
writecommand_cont(HX8357_SETOSC);
writedata8_cont(0x68); // Normal mode 70Hz, Idle mode 55 Hz
writecommand_cont(HX8357_SETPANEL); //Set Panel
writedata8_cont(0x05); // BGR, Gate direction swapped
writecommand_cont(HX8357_SETPWR1);
writedata8_cont(0x00); // Not deep standby
writedata8_cont(0x15); //BT
writedata8_cont(0x1C); //VSPR
writedata8_cont(0x1C); //VSNR
writedata8_cont(0x83); //AP
writedata8_cont(0xAA); //FS
writecommand_cont(HX8357D_SETSTBA);
writedata8_cont(0x50); //OPON normal
writedata8_cont(0x50); //OPON idle
writedata8_cont(0x01); //STBA
writedata8_cont(0x3C); //STBA
writedata8_cont(0x1E); //STBA
writedata8_cont(0x08); //GEN
writecommand_cont(HX8357D_SETCYC);
writedata8_cont(0x02); //NW 0x02
writedata8_cont(0x40); //RTN
writedata8_cont(0x00); //DIV
writedata8_cont(0x2A); //DUM
writedata8_cont(0x2A); //DUM
writedata8_cont(0x0D); //GDON
writedata8_cont(0x78); //GDOFF
writecommand_cont(HX8357D_SETGAMMA);
writedata8_cont(0x02);
writedata8_cont(0x0A);
writedata8_cont(0x11);
writedata8_cont(0x1d);
writedata8_cont(0x23);
writedata8_cont(0x35);
writedata8_cont(0x41);
writedata8_cont(0x4b);
writedata8_cont(0x4b);
writedata8_cont(0x42);
writedata8_cont(0x3A);
writedata8_cont(0x27);
writedata8_cont(0x1B);
writedata8_cont(0x08);
writedata8_cont(0x09);
writedata8_cont(0x03);
writedata8_cont(0x02);
writedata8_cont(0x0A);
writedata8_cont(0x11);
writedata8_cont(0x1d);
writedata8_cont(0x23);
writedata8_cont(0x35);
writedata8_cont(0x41);
writedata8_cont(0x4b);
writedata8_cont(0x4b);
writedata8_cont(0x42);
writedata8_cont(0x3A);
writedata8_cont(0x27);
writedata8_cont(0x1B);
writedata8_cont(0x08);
writedata8_cont(0x09);
writedata8_cont(0x03);
writedata8_cont(0x00);
writedata8_cont(0x01);
writecommand_cont(HX8357_COLMOD);
writedata8_cont(0x55); // 16 bit
writecommand_cont(HX8357_MADCTL);
writedata8_cont(0xC0);
writecommand_cont(HX8357_TEON); // TE off
writedata8_cont(0x00);
writecommand_cont(HX8357_TEARLINE); // tear line
writedata8_cont(0x00);
writedata8_cont(0x02);
writecommand_last(HX8357_SLPOUT); //Exit Sleep
SPI.endTransaction();
delay(150);
SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
writecommand_last(HX8357_DISPON); // display on
SPI.endTransaction();
delay(50);
} else {
//Serial.println("unknown type");
}
}
/*
This is the core graphics library for all our displays, providing a common
set of graphics primitives (points, lines, circles, etc.). It needs to be
paired with a hardware-specific library for each display device we carry
(to handle the lower-level functions).
Adafruit invests time and resources providing this open source code, please
support Adafruit & open-source hardware by purchasing products from Adafruit!
Copyright (c) 2013 Adafruit Industries. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
//#include "glcdfont.c"
extern "C" const unsigned char glcdfont[];
// Draw a circle outline
void HX8357_t3::drawCircle(int16_t x0, int16_t y0, int16_t r,
uint16_t color) {
int16_t f = 1 - r;
int16_t ddF_x = 1;
int16_t ddF_y = -2 * r;
int16_t x = 0;
int16_t y = r;
drawPixel(x0 , y0+r, color);
drawPixel(x0 , y0-r, color);
drawPixel(x0+r, y0 , color);
drawPixel(x0-r, y0 , color);
while (x<y) {
if (f >= 0) {
y--;
ddF_y += 2;
f += ddF_y;
}
x++;
ddF_x += 2;
f += ddF_x;
drawPixel(x0 + x, y0 + y, color);
drawPixel(x0 - x, y0 + y, color);
drawPixel(x0 + x, y0 - y, color);
drawPixel(x0 - x, y0 - y, color);
drawPixel(x0 + y, y0 + x, color);
drawPixel(x0 - y, y0 + x, color);
drawPixel(x0 + y, y0 - x, color);
drawPixel(x0 - y, y0 - x, color);
}
}
void HX8357_t3::drawCircleHelper( int16_t x0, int16_t y0,
int16_t r, uint8_t cornername, uint16_t color) {
int16_t f = 1 - r;
int16_t ddF_x = 1;
int16_t ddF_y = -2 * r;
int16_t x = 0;
int16_t y = r;
while (x<y) {
if (f >= 0) {
y--;
ddF_y += 2;
f += ddF_y;
}
x++;
ddF_x += 2;
f += ddF_x;
if (cornername & 0x4) {
drawPixel(x0 + x, y0 + y, color);
drawPixel(x0 + y, y0 + x, color);
}
if (cornername & 0x2) {
drawPixel(x0 + x, y0 - y, color);
drawPixel(x0 + y, y0 - x, color);
}
if (cornername & 0x8) {
drawPixel(x0 - y, y0 + x, color);