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Tasmota/tasmota/xdsp_10_RA8876.ino

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/*
xdsp_09_SSD1351.ino - Display SSD1351 support for Tasmota
Copyright (C) 2020 Gerhard Mutz and Theo Arends
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/>.
*/
#ifdef USE_SPI
#ifdef USE_DISPLAY
#ifdef USE_DISPLAY_RA8876
#define XDSP_10 10
#define XI2C_39 39 // See I2CDEVICES.md
#define COLORED 1
#define UNCOLORED 0
// using font 8 is opional (num=3)
// very badly readable, but may be useful for graphs
#define USE_TINY_FONT
#include <RA8876.h>
uint8_t ra8876_ctouch_counter = 0;
extern uint8_t *buffer;
extern uint8_t color_type;
RA8876 *ra8876;
/*********************************************************************************************/
void RA8876_InitDriver()
{
if (!Settings.display_model) {
Settings.display_model = XDSP_10;
}
if (XDSP_10 == Settings.display_model) {
if (Settings.display_width != RA8876_TFTWIDTH) {
Settings.display_width = RA8876_TFTWIDTH;
}
if (Settings.display_height != RA8876_TFTHEIGHT) {
Settings.display_height = RA8876_TFTHEIGHT;
}
buffer=0;
// default colors
fg_color = RA8876_WHITE;
bg_color = RA8876_BLACK;
#ifdef ESP32
#undef HW_SPI_MOSI
#define HW_SPI_MOSI 23
#undef HW_SPI_MISO
#define HW_SPI_MISO 19
#undef HW_SPI_CLK
#define HW_SPI_CLK 18
#else
#undef HW_SPI_MOSI
#define HW_SPI_MOSI 13
#undef HW_SPI_MISO
#define HW_SPI_MISO 12
#undef HW_SPI_CLK
#define HW_SPI_CLK 14
#endif
// init renderer, must use hardware spi
if (PinUsed(GPIO_SSPI_CS) && (Pin(GPIO_SSPI_MOSI)==HW_SPI_MOSI) && (Pin(GPIO_SSPI_MISO)==HW_SPI_MISO) && (Pin(GPIO_SSPI_SCLK)==HW_SPI_CLK)) {
ra8876 = new RA8876(Pin(GPIO_SSPI_CS),Pin(GPIO_SSPI_MOSI),Pin(GPIO_SSPI_MISO),Pin(GPIO_SSPI_SCLK),Pin(GPIO_BACKLIGHT));
} else {
if (PinUsed(GPIO_SPI_CS) && (Pin(GPIO_SPI_MOSI)==HW_SPI_MOSI) && (Pin(GPIO_SPI_MISO)==HW_SPI_MISO) && (Pin(GPIO_SPI_CLK)==HW_SPI_CLK)) {
ra8876 = new RA8876(Pin(GPIO_SPI_CS),Pin(GPIO_SPI_MOSI),Pin(GPIO_SPI_MISO),Pin(GPIO_SPI_CLK),Pin(GPIO_BACKLIGHT));
} else {
return;
}
}
ra8876->begin();
renderer = ra8876;
renderer->DisplayInit(DISPLAY_INIT_MODE,Settings.display_size,Settings.display_rotate,Settings.display_font);
renderer->dim(Settings.display_dimmer);
//testall();
#ifdef SHOW_SPLASH
// Welcome text
renderer->setTextFont(2);
renderer->setTextColor(RA8876_WHITE,RA8876_BLACK);
renderer->DrawStringAt(600, 300, "RA8876", RA8876_RED,0);
delay(1000);
#endif
color_type = COLOR_COLOR;
#ifdef USE_FT5206
Touch_Init(Wire);
#endif
}
}
#ifdef USE_FT5206
#ifdef USE_TOUCH_BUTTONS
// no rotation support
void RA8876_RotConvert(int16_t *x, int16_t *y) {
int16_t temp;
if (renderer) {
*x=*x*renderer->width()/800;
*y=*y*renderer->height()/480;
*x = renderer->width() - *x;
*y = renderer->height() - *y;
}
}
// check digitizer hit
void RA8876_CheckTouch(void) {
ra8876_ctouch_counter++;
if (2 == ra8876_ctouch_counter) {
// every 100 ms should be enough
ra8876_ctouch_counter = 0;
Touch_Check(RA8876_RotConvert);
}
}
#endif // USE_TOUCH_BUTTONS
#endif // USE_FT5206
/*
void testall() {
ra8876->clearScreen(0);
ra8876->colorBarTest(true);
delay(1000);
ra8876->colorBarTest(false);
pixelTest();
delay(1000);
triangleTest();
delay(1000);
circleTest();
delay(1000);
gradientTest();
delay(1000);
textTest();
delay(1000);
}
void gradientTest()
{
Serial.println("Gradient test.");
ra8876->clearScreen(0);
int width = ra8876->getWidth();
int barHeight = ra8876->getHeight() / 4;
uint32_t starttime = millis();
for (int i = 0; i <= 255; i++)
{
ra8876->fillRect((width / 256.0) * i, 0, (width / 256.0) * (i + 1) - 1, barHeight, RGB565(i, 0, 0));
ra8876->fillRect((width / 256.0) * i, barHeight, (width / 256.0) * (i + 1) - 1, barHeight * 2, RGB565(0, i, 0));
ra8876->fillRect((width / 256.0) * i, barHeight * 2, (width / 256.0) * (i + 1) - 1, barHeight * 3, RGB565(0, 0, i));
ra8876->fillRect((width / 256.0) * i, barHeight * 3, (width / 256.0) * (i + 1) - 1, barHeight * 4, RGB565(i, i, i));
}
uint32_t elapsedtime = millis() - starttime;
Serial.print("Gradient test took "); Serial.print(elapsedtime); Serial.println(" ms");
}
void pixelTest()
{
Serial.println("Pixel test.");
int width = ra8876->getWidth();
int height = ra8876->getHeight();
uint16_t colors[] = {RGB565(255, 0, 0), RGB565(0, 255, 0), RGB565(0, 0, 255)};
uint32_t starttime = millis();
for (int c = 0; c < 3; c++)
{
for (int i = 0; i < 3000; i++)
{
int x = random(0, width);
int y = random(0, height);
ra8876->drawPixel(x, y, colors[c]);
}
delay(0);
}
uint32_t elapsedtime = millis() - starttime;
Serial.print("Pixel test took "); Serial.print(elapsedtime); Serial.println(" ms");
}
void triangleTest()
{
Serial.println("Triangle test.");
int width = ra8876->getWidth();
int height = ra8876->getHeight();
uint32_t starttime = millis();
for (int i = 0; i < 2000; i++)
{
int x1 = random(0, width);
int y1 = random(0, height);
int x2 = random(0, width);
int y2 = random(0, height);
int x3 = random(0, width);
int y3 = random(0, height);
uint16_t color = RGB565(random(0, 255), random(0, 255), random(0, 255));
ra8876->fillTriangle(x1, y1, x2, y2, x3, y3, color);
delay(0);
}
uint32_t elapsedtime = millis() - starttime;
Serial.print("Triangle test took "); Serial.print(elapsedtime); Serial.println(" ms");
}
void circleTest()
{
Serial.println("Circle test.");
int width = ra8876->getWidth();
int height = ra8876->getHeight();
uint32_t starttime = millis();
for (int i = 0; i < 2000; i++)
{
int x = random(0, width);
int y = random(0, height);
int r = random(0, 384);
uint16_t color = RGB565(random(0, 255), random(0, 255), random(0, 255));
ra8876->fillCircle(x, y, r, color);
delay(0);
}
uint32_t elapsedtime = millis() - starttime;
Serial.print("Circle test took "); Serial.print(elapsedtime); Serial.println(" ms");
}
void textTest()
{
Serial.println("Text test.");
uint32_t starttime = millis();
for (int s = 1; s <= 4; s++)
{
ra8876->setTextScale(s);
for (int i = 0; i < 3; i++)
{
ra8876->setCursor((ra8876->getWidth() / 3) * i, ra8876->getCursorY());
ra8876->selectInternalFont((enum FontSize) i);
ra8876->print("Hello");
}
ra8876->println();
delay(0);
}
ra8876->setCursor(0, 32 * 10);
ra8876->setTextScale(1);
ra8876->selectInternalFont(RA8876_FONT_SIZE_32, RA8876_FONT_ENCODING_8859_1);
ra8876->println("Latin 1: na\xEFve"); // naïve
ra8876->selectInternalFont(RA8876_FONT_SIZE_32, RA8876_FONT_ENCODING_8859_2);
ra8876->println("Latin 2: \xE8" "a\xE8kalica");
ra8876->selectInternalFont(RA8876_FONT_SIZE_32, RA8876_FONT_ENCODING_8859_4);
ra8876->println("Latin 4: gie\xF0" "at"); // gieđat
ra8876->selectInternalFont(RA8876_FONT_SIZE_32, RA8876_FONT_ENCODING_8859_5);
ra8876->println("Latin 5: \xD2\xD5\xD4\xD8"); // веди
ra8876->selectInternalFont(RA8876_FONT_SIZE_32);
ra8876->print("Symbols: ");
ra8876->putChars("\x00\x01\x02\x03\x04\x05\x06\x07", 8);
ra8876->putChars("\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F", 8);
ra8876->putChars("\x10\x11\x12\x13\x14\x15\x16\x17", 8);
ra8876->putChars("\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F", 8);
uint32_t elapsedtime = millis() - starttime;
Serial.print("Text test took "); Serial.print(elapsedtime); Serial.println(" ms");
}
*/
/*********************************************************************************************/
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdsp10(uint8_t function)
{
bool result = false;
if (FUNC_DISPLAY_INIT_DRIVER == function) {
RA8876_InitDriver();
}
else if (XDSP_10 == Settings.display_model) {
switch (function) {
case FUNC_DISPLAY_MODEL:
result = true;
break;
case FUNC_DISPLAY_EVERY_50_MSECOND:
#ifdef USE_FT5206
if (FT5206_found) RA8876_CheckTouch();
#endif
break;
}
}
return result;
}
#endif // USE_DISPLAY_RA8876
#endif // USE_DISPLAY
#endif // USE_SPI
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