Initial content commit

2025-09-23 21:33:04 +02:00
parent 5a89c6c7fb
commit 755c6407d3
38 changed files with 4289 additions and 0 deletions
@@ -0,0 +1,72 @@
+#include "Application.h"
+#include "PixelBuffer.h"
+#include "esp_log.h"
+
+#include <tt_kernel.h>
+
+constexpr auto TAG = "Application";
+
+static bool isTouched(TouchDriver* touch) {
+    uint16_t x, y, strength;
+    uint8_t pointCount = 0;
+    return touch->getTouchedPoints(&x, &y, &strength, &pointCount, 1);
+}
+
+void createRgbRow(PixelBuffer& buffer) {
+    uint8_t offset = buffer.getPixelWidth() / 3;
+    for (int i = 0; i < buffer.getPixelWidth(); ++i) {
+        if (i < offset) {
+            buffer.setPixel(i, 0, 255, 0, 0);
+        } else if (i < offset * 2) {
+            buffer.setPixel(i, 0, 0, 255, 0);
+        } else {
+            buffer.setPixel(i, 0, 0, 0, 255);
+        }
+    }
+}
+
+void createRgbFadingRow(PixelBuffer& buffer) {
+    uint8_t stroke = buffer.getPixelWidth() / 3;
+    for (int i = 0; i < buffer.getPixelWidth(); ++i) {
+        if (i < stroke) {
+            auto color = i * 255 / stroke;
+            buffer.setPixel(i, 0, color, 0, 0);
+        } else if (i < stroke * 2) {
+            auto color = (i - stroke) * 255 / stroke;
+            buffer.setPixel(i, 0, 0, color, 0);
+        } else {
+            auto color = (i - (2*stroke)) * 255 / stroke;
+            buffer.setPixel(i, 0, 0, 0, color);
+        }
+    }
+}
+
+void runApplication(DisplayDriver* display, TouchDriver* touch) {
+    // Single row buffers
+    PixelBuffer line_clear_buffer(display->getWidth(), 1, display->getColorFormat());
+    line_clear_buffer.clear();
+    PixelBuffer line_buffer(display->getWidth(), 1, display->getColorFormat());
+    line_buffer.clear();
+
+    do {
+        // Draw row by row
+        // This is placed in a loop to test the SPI locking mechanismss
+        for (int i = 0; i < display->getHeight(); i++) {
+
+            if (i == 0) {
+                createRgbRow(line_buffer);
+            } else if (i == display->getHeight() / 2) {
+                createRgbFadingRow(line_buffer);
+            }
+
+            display->lock();
+            display->drawBitmap(0, i, display->getWidth(), i + 1, line_buffer.getData());
+            display->unlock();
+        }
+
+        // Give other tasks space to breathe
+        // SPI displays would otherwise time out SPI SD card access
+        tt_kernel_delay_ticks(1);
+    } while (!isTouched(touch));
+}
+