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This commit is contained in:
Alexandre Gut
2026-03-31 13:17:21 +02:00
commit 7eeecff042
6821 changed files with 3514215 additions and 0 deletions
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174
T-Display-S3-main/lib/arduino-nofrendo/examples/esp32-nofrendo/display.cpp Normal file
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extern "C"
{
#include <nes/nes.h>
}
#include "hw_config.h"
#include <Arduino_GFX_Library.h>
#define TFT_BRIGHTNESS 128 /* 0 - 255 */
/* M5Stack */
#if defined(ARDUINO_M5Stack_Core_ESP32) || defined(ARDUINO_M5STACK_FIRE)
#define TFT_BL 32
Arduino_ESP32SPI_DMA *bus = new Arduino_ESP32SPI_DMA(27 /* DC */, 14 /* CS */, SCK, MOSI, MISO);
Arduino_ILI9341_M5STACK *gfx = new Arduino_ILI9341_M5STACK(bus, 33 /* RST */, 1 /* rotation */);
/* Odroid-Go */
#elif defined(ARDUINO_ODROID_ESP32)
#define TFT_BL 14
Arduino_ESP32SPI_DMA *bus = new Arduino_ESP32SPI_DMA(21 /* DC */, 5 /* CS */, SCK, MOSI, MISO);
Arduino_ILI9341 *gfx = new Arduino_ILI9341(bus, -1 /* RST */, 3 /* rotation */);
/* TTGO T-Watch */
#elif defined(ARDUINO_T) || defined(ARDUINO_TWATCH_BASE) || defined(ARDUINO_TWATCH_2020_V1) || defined(ARDUINO_TWATCH_2020_V2) // TTGO T-Watch
#define TFT_BL 12
Arduino_DataBus *bus = new Arduino_ESP32SPI_DMA(27 /* DC */, 5 /* CS */, 18 /* SCK */, 19 /* MOSI */, -1 /* MISO */);
Arduino_ST7789 *gfx = new Arduino_ST7789(bus, -1 /* RST */, 1 /* rotation */, true /* IPS */, 240, 240, 0, 80);
/* custom hardware */
#else
/* ST7789 ODROID Compatible pin connection */
// #define TFT_BL 14
// Arduino_ESP32SPI_DMA *bus = new Arduino_ESP32SPI_DMA(21 /* DC */, 5 /* CS */, SCK, MOSI, MISO);
// Arduino_ST7789 *gfx = new Arduino_ST7789(bus, -1 /* RST */, 1 /* rotation */, true /* IPS */);
/* ST7796 on breadboard */
// #define TFT_BL 32
Arduino_DataBus *bus = new Arduino_ESP32SPI_DMA(32 /* DC */, -1 /* CS */, 25 /* SCK */, 33 /* MOSI */, -1 /* MISO */);
Arduino_TFT *gfx = new Arduino_ST7796(bus, -1 /* RST */, 1 /* rotation */);
/* ST7796 on LCDKit */
// #define TFT_BL 23
// Arduino_ESP32SPI_DMA *bus = new Arduino_ESP32SPI_DMA(19 /* DC */, 5 /* CS */, 22 /* SCK */, 21 /* MOSI */, -1 /* MISO */);
// Arduino_ST7796 *gfx = new Arduino_ST7796(bus, 18, 1 /* rotation */);
#endif /* custom hardware */
static int16_t w, h, frame_x, frame_y, frame_x_offset, frame_width, frame_height, frame_line_pixels;
extern int16_t bg_color;
extern uint16_t myPalette[];
extern "C" void display_init()
{
w = gfx->width();
h = gfx->height();
if (w < 480) // assume only 240x240 or 320x240
{
if (w > NES_SCREEN_WIDTH)
{
frame_x = (w - NES_SCREEN_WIDTH) / 2;
frame_x_offset = 0;
frame_width = NES_SCREEN_WIDTH;
frame_height = NES_SCREEN_HEIGHT;
frame_line_pixels = frame_width;
}
else
{
frame_x = 0;
frame_x_offset = (NES_SCREEN_WIDTH - w) / 2;
frame_width = w;
frame_height = NES_SCREEN_HEIGHT;
frame_line_pixels = frame_width;
}
frame_y = (gfx->height() - NES_SCREEN_HEIGHT) / 2;
}
else // assume 480x320
{
frame_x = 0;
frame_y = 0;
frame_x_offset = 8;
frame_width = w;
frame_height = h;
frame_line_pixels = frame_width / 2;
}
}
extern "C" void display_write_frame(const uint8_t *data[])
{
gfx->startWrite();
if (w < 480)
{
gfx->writeAddrWindow(frame_x, frame_y, frame_width, frame_height);
for (int32_t i = 0; i < NES_SCREEN_HEIGHT; i++)
{
gfx->writeIndexedPixels((uint8_t *)(data[i] + frame_x_offset), myPalette, frame_line_pixels);
}
}
else
{
/* ST7796 480 x 320 resolution */
/* Option 1:
* crop 256 x 240 to 240 x 214
* then scale up width x 2 and scale up height x 1.5
* repeat a line for every 2 lines
*/
// gfx->writeAddrWindow(frame_x, frame_y, frame_width, frame_height);
// for (int16_t i = 10; i < (10 + 214); i++)
// {
// gfx->writeIndexedPixelsDouble((uint8_t *)(data[i] + 8), myPalette, frame_line_pixels);
// if ((i % 2) == 1)
// {
// gfx->writeIndexedPixelsDouble((uint8_t *)(data[i] + 8), myPalette, frame_line_pixels);
// }
// }
/* Option 2:
* crop 256 x 240 to 240 x 214
* then scale up width x 2 and scale up height x 1.5
* simply blank a line for every 2 lines
*/
int16_t y = 0;
for (int16_t i = 10; i < (10 + 214); i++)
{
gfx->writeAddrWindow(frame_x, y++, frame_width, 1);
gfx->writeIndexedPixelsDouble((uint8_t *)(data[i] + 8), myPalette, frame_line_pixels);
if ((i % 2) == 1)
{
y++; // blank line
}
}
/* Option 3:
* crop 256 x 240 to 240 x 240
* then scale up width x 2 and scale up height x 1.33
* repeat a line for every 3 lines
*/
// gfx->writeAddrWindow(frame_x, frame_y, frame_width, frame_height);
// for (int16_t i = 0; i < 240; i++)
// {
// gfx->writeIndexedPixelsDouble((uint8_t *)(data[i] + 8), myPalette, frame_line_pixels);
// if ((i % 3) == 1)
// {
// gfx->writeIndexedPixelsDouble((uint8_t *)(data[i] + 8), myPalette, frame_line_pixels);
// }
// }
/* Option 4:
* crop 256 x 240 to 240 x 240
* then scale up width x 2 and scale up height x 1.33
* simply blank a line for every 3 lines
*/
// int16_t y = 0;
// for (int16_t i = 0; i < 240; i++)
// {
// gfx->writeAddrWindow(frame_x, y++, frame_width, 1);
// gfx->writeIndexedPixelsDouble((uint8_t *)(data[i] + 8), myPalette, frame_line_pixels);
// if ((i % 3) == 1)
// {
// y++; // blank line
// }
// }
}
gfx->endWrite();
}
extern "C" void display_clear()
{
gfx->fillScreen(bg_color);
}