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Tasmota/tasmota/xdsp_13_ILI9341-2.ino

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/*
xdsp_13_ILI9341-TTGO-TS.ino - Display ILI9341 support for Tasmota
Copyright (C) 2021 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_SPI
#ifdef USE_DISPLAY
#if (defined(USE_DISPLAY_ILI9341_2) || defined(USE_DISPLAY_ILI9342))
#define XDSP_13 13
#undef COLORED
#define COLORED 1
#undef UNCOLORED
#define UNCOLORED 0
// using font 8 is opional (num=3)
// very badly readable, but may be useful for graphs
#undef USE_TINY_FONT
#define USE_TINY_FONT
#include <ILI9341_2.h>
extern uint8_t *buffer;
extern uint8_t color_type;
ILI9341_2 *ili9341_2;
#ifdef USE_FT5206
#include <FT5206.h>
#undef FT6336_address
#define FT6336_address 0x38
uint8_t ili9342_ctouch_counter = 0;
#endif // USE_FT5206
/*********************************************************************************************/
void ILI9341_2_InitDriver()
{
if (!Settings.display_model) {
Settings.display_model = XDSP_13;
}
if (XDSP_13 == Settings.display_model) {
if (Settings.display_width != ILI9341_2_TFTWIDTH) {
Settings.display_width = ILI9341_2_TFTWIDTH;
}
if (Settings.display_height != ILI9341_2_TFTHEIGHT) {
Settings.display_height = ILI9341_2_TFTHEIGHT;
}
// disable screen buffer
buffer=NULL;
// default colors
fg_color = ILI9341_2_WHITE;
bg_color = ILI9341_2_BLACK;
#ifdef USE_M5STACK_CORE2
ili9341_2 = new ILI9341_2(5, -2, 15, -2);
#else
// init renderer, may use hardware spi, however we use SSPI defintion because SD card uses SPI definition (2 spi busses)
if (PinUsed(GPIO_SSPI_CS) && PinUsed(GPIO_OLED_RESET) && PinUsed(GPIO_BACKLIGHT) && PinUsed(GPIO_SSPI_MOSI) && PinUsed(GPIO_SSPI_MISO) && PinUsed(GPIO_SSPI_SCLK) && PinUsed(GPIO_SSPI_DC)) {
ili9341_2 = new ILI9341_2(Pin(GPIO_SSPI_CS), Pin(GPIO_SSPI_MOSI), Pin(GPIO_SSPI_MISO), Pin(GPIO_SSPI_SCLK), Pin(GPIO_OLED_RESET), Pin(GPIO_SSPI_DC), Pin(GPIO_BACKLIGHT));
} else {
return;
}
#endif
ili9341_2->init(Settings.display_width,Settings.display_height);
renderer = ili9341_2;
renderer->DisplayInit(DISPLAY_INIT_MODE,Settings.display_size,Settings.display_rotate,Settings.display_font);
renderer->dim(Settings.display_dimmer);
#ifdef SHOW_SPLASH
// Welcome text
renderer->setTextFont(2);
renderer->setTextColor(ILI9341_2_WHITE, ILI9341_2_BLACK);
renderer->DrawStringAt(30, (Settings.display_height/2)-12, "ILI9341 TFT!", ILI9341_2_WHITE, 0);
delay(1000);
#endif
color_type = COLOR_COLOR;
#ifdef ESP32
#ifdef USE_FT5206
// start digitizer with fixed adress and pins for esp32
#define SDA_2 21
#define SCL_2 22
Wire1.begin(SDA_2, SCL_2, 400000);
Touch_Init(Wire1);
#endif // USE_FT5206
#endif // ESP32
}
}
void core2_disp_pwr(uint8_t on);
void core2_disp_dim(uint8_t dim);
void ili9342_bpwr(uint8_t on) {
#ifdef USE_M5STACK_CORE2
core2_disp_pwr(on);
#endif
}
void ili9342_dimm(uint8_t dim) {
#ifdef USE_M5STACK_CORE2
core2_disp_dim(dim);
#endif
}
#ifdef ESP32
#ifdef USE_FT5206
#ifdef USE_TOUCH_BUTTONS
void ili9342_RotConvert(int16_t *x, int16_t *y) {
int16_t temp;
if (renderer) {
uint8_t rot=renderer->getRotation();
switch (rot) {
case 0:
break;
case 1:
temp=*y;
*y=renderer->height()-*x;
*x=temp;
break;
case 2:
*x=renderer->width()-*x;
*y=renderer->height()-*y;
break;
case 3:
temp=*y;
*y=*x;
*x=renderer->width()-temp;
break;
}
}
}
// check digitizer hit
void ili9342_CheckTouch() {
ili9342_ctouch_counter++;
if (2 == ili9342_ctouch_counter) {
// every 100 ms should be enough
ili9342_ctouch_counter = 0;
Touch_Check(ili9342_RotConvert);
}
}
#endif // USE_TOUCH_BUTTONS
#endif // USE_FT5206
#endif // ESP32
#ifdef USE_DISPLAY_MODES1TO5
void ILI9341_2_PrintLog(bool withDateTime) {
disp_refresh--;
if (!disp_refresh) {
disp_refresh = Settings.display_refresh;
if (!disp_screen_buffer_cols) { DisplayAllocScreenBuffer(); }
char* txt = DisplayLogBuffer('\370');
if (txt != NULL) {
uint8_t last_row = Settings.display_rows -1;
renderer->clearDisplay(); /** TODO: Would be smoother without clear, like ILI9341_2_Time() does. **/
renderer->setCursor(0,0);
if (withDateTime) {
char line[21];
snprintf_P(line, sizeof(line), PSTR("%02d" D_HOUR_MINUTE_SEPARATOR "%02d" D_MINUTE_SECOND_SEPARATOR "%02d %02d" D_MONTH_DAY_SEPARATOR "%02d" D_YEAR_MONTH_SEPARATOR "%04d"), RtcTime.hour, RtcTime.minute, RtcTime.second, RtcTime.day_of_month, RtcTime.month, RtcTime.year); // [12:34:56 31-12-2021]
renderer->setTextColor(ILI9341_2_BLUE);
renderer->println(line);
renderer->setTextColor(fg_color);
last_row--;
}
for (byte i = 0; i < last_row; i++) {
strlcpy(disp_screen_buffer[i], disp_screen_buffer[i +1], disp_screen_buffer_cols);
renderer->println(disp_screen_buffer[i]);
}
strlcpy(disp_screen_buffer[last_row], txt, disp_screen_buffer_cols);
DisplayFillScreen(last_row);
AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_DEBUG "[%s]"), disp_screen_buffer[last_row]);
renderer->println(disp_screen_buffer[last_row]);
renderer->Updateframe();
}
}
}
void ILI9341_2_Time(void) {
char line[12];
/** TODO: DisplaySize is working, but renderer->println() does not respect DisplayFont **/
snprintf_P(line, sizeof(line), PSTR(" %02d" D_HOUR_MINUTE_SEPARATOR "%02d" D_MINUTE_SECOND_SEPARATOR "%02d"), RtcTime.hour, RtcTime.minute, RtcTime.second); // [ 12:34:56 ]
renderer->setCursor(60, 140);
renderer->println(line);
snprintf_P(line, sizeof(line), PSTR("%02d" D_MONTH_DAY_SEPARATOR "%02d" D_YEAR_MONTH_SEPARATOR "%04d"), RtcTime.day_of_month, RtcTime.month, RtcTime.year); // [01-02-2018]
renderer->setCursor(60, 160);
renderer->println(line);
renderer->Updateframe();
}
void ILI9341_2_Refresh(void) { // Every second
if (Settings.display_mode) { // Mode 0 is User text
switch (Settings.display_mode) {
case 1: // Time
ILI9341_2_Time();
break;
case 2: // Local
case 4: // Mqtt
ILI9341_2_PrintLog(false);
break;
case 3: // Local + Time
case 5: // Mqtt + Time
ILI9341_2_PrintLog(true);
break;
}
}
}
#endif // USE_DISPLAY_MODES1TO5
/*********************************************************************************************/
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdsp13(uint8_t function)
{
bool result = false;
if (FUNC_DISPLAY_INIT_DRIVER == function) {
ILI9341_2_InitDriver();
}
else if (XDSP_13 == Settings.display_model) {
switch (function) {
case FUNC_DISPLAY_MODEL:
result = true;
break;
case FUNC_DISPLAY_TEXT_SIZE:
case FUNC_DISPLAY_FONT_SIZE:
case DISPLAY_INIT_MODE:
renderer->clearDisplay();
break;
#ifdef USE_FT5206
#ifdef USE_TOUCH_BUTTONS
case FUNC_DISPLAY_EVERY_50_MSECOND:
if (FT5206_found) {
ili9342_CheckTouch();
}
break;
#endif // USE_TOUCH_BUTTONS
#endif // USE_FT5206
#ifdef USE_DISPLAY_MODES1TO5
case FUNC_DISPLAY_EVERY_SECOND:
ILI9341_2_Refresh();
break;
#endif // USE_DISPLAY_MODES1TO5
}
}
return result;
}
#endif // USE_DISPLAY_ILI9341_2
#endif // USE_DISPLAY
#endif // USE_SPI
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