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add heltec-v4-r8 board (#10268)

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* add heltec-v4-r8 board

* Fixed default SPI pin and macro definition errors.

* update platformio.ini according device-ui LGFX display definitions

Co-authored-by: Copilot <copilot@github.com>

* fix commit reference

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
Co-authored-by: mverch67 <manuel.verch@gmx.de>
Co-authored-by: Copilot <copilot@github.com>
Co-authored-by: Manuel <71137295+mverch67@users.noreply.github.com>
This commit is contained in:
Quency-D
2026-04-27 09:25:19 -05:00
committed by GitHub
co-authored by GitHub Ben Meadors mverch67 Copilot Manuel
parent bc17d004ab
commit f037ce2165
8 changed files with 338 additions and 6 deletions
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src/graphics/TFTDisplay.cpp
+15 -4
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@@ -422,7 +422,7 @@ static LGFX *tft = nullptr;
#elif defined(ST7789_CS)
#include <LovyanGFX.hpp> // Graphics and font library for ST7735 driver chip
#ifdef HELTEC_V4_TFT
#if defined(HELTEC_V4_TFT) || defined(HELTEC_V4_R8_TFT)
#include "chsc6x.h"
#include "lgfx/v1/Touch.hpp"
namespace lgfx
@@ -444,7 +444,11 @@ class TOUCH_CHSC6X : public ITouch
bool init(void) override
{
if (chsc6xTouch == nullptr) {
#if (TOUCH_I2C_PORT == 1)
chsc6xTouch = new chsc6x(&Wire1, TOUCH_SDA_PIN, TOUCH_SCL_PIN, TOUCH_INT_PIN, TOUCH_RST_PIN);
#else
chsc6xTouch = new chsc6x(&Wire, TOUCH_SDA_PIN, TOUCH_SCL_PIN, TOUCH_INT_PIN, TOUCH_RST_PIN);
#endif
}
chsc6xTouch->chsc6x_init();
return true;
@@ -481,7 +485,7 @@ class LGFX : public lgfx::LGFX_Device
#if HAS_TOUCHSCREEN
#if defined(T_WATCH_S3) || defined(ELECROW)
lgfx::Touch_FT5x06 _touch_instance;
#elif defined(HELTEC_V4_TFT)
#elif defined(HELTEC_V4_TFT) || defined(HELTEC_V4_R8_TFT)
lgfx::TOUCH_CHSC6X _touch_instance;
#else
lgfx::Touch_GT911 _touch_instance;
@@ -500,7 +504,11 @@ class LGFX : public lgfx::LGFX_Device
cfg.freq_write = SPI_FREQUENCY; // SPI clock for transmission (up to 80MHz, rounded to the value obtained by dividing
// 80MHz by an integer)
cfg.freq_read = SPI_READ_FREQUENCY; // SPI clock when receiving
cfg.spi_3wire = false;
#ifdef SPI_3_WIRE
cfg.spi_3wire = SPI_3_WIRE;
#else
cfg.spi_3wire = true; // Set to true if reception is done on the MOSI pin
#endif
cfg.use_lock = true; // Set to true to use transaction locking
cfg.dma_channel = SPI_DMA_CH_AUTO; // SPI_DMA_CH_AUTO; // Set DMA channel to use (0=not use DMA / 1=1ch / 2=ch /
// SPI_DMA_CH_AUTO=auto setting)
@@ -550,8 +558,11 @@ class LGFX : public lgfx::LGFX_Device
cfg.rgb_order = false; // Set to true if the panel's red and blue are swapped
cfg.dlen_16bit =
false; // Set to true for panels that transmit data length in 16-bit units with 16-bit parallel or SPI
#if defined(HAS_SDCARD)
cfg.bus_shared = true; // If the bus is shared with the SD card, set to true (bus control with drawJpgFile etc.)
#else
cfg.bus_shared = false;
#endif
// Set the following only when the display is shifted with a driver with a variable number of pixels, such as the
// ST7735 or ILI9163.
// cfg.memory_width = TFT_WIDTH; // Maximum width supported by the driver IC