Add halcyon module support

examples/display/display.c

@@ -0,0 +1,66 @@
+// Include the main display functions so we don't have to initialize the display again
+#include "hlc_tft_display/hlc_tft_display.h"
+
+// Include the QP api
+#include "qp.h"
+
+// Add a font, this font is generated using the QP CLI tools (https://docs.qmk.fm/quantum_painter#quantum-painter-cli)
+#include "graphics/thintel15.qff.h"
+
+// Initialize the font
+static painter_font_handle_t thintel;
+
+// This function is ran on bootup of the keyboard
+bool module_post_init_user(void) {
+    // Load the font in to memory.
+    thintel = qp_load_font_mem(font_thintel15);
+
+    return false;
+}
+
+// This function runs after every matrix scan
+bool display_module_housekeeping_task_user(bool second_display) {
+    // Create checks to see if the displays are set. We don't need to keep updating the display with the same image so this will save some CPU time.
+    static bool display_set = false;
+    static bool second_display_set = false;
+
+    // When the display isn't set, do the following
+    if (!display_set) {
+        // If it's the main display
+        if (!second_display) {
+            // Create text to write
+            static const char *text = "This is a user display!";
+
+            // Draw text on top left corner
+            qp_drawtext_recolor(lcd_surface, 0, 0, thintel, text, HSV_WHITE, HSV_BLACK);
+
+            // Make sure to not run this again.
+            display_set = true;
+        // If it's the secundairy display
+        } else {
+            // Create text to write
+            static const char *text = "This is a second user display!";
+
+            // Read width from text
+            int16_t width = qp_textwidth(thintel, text);
+
+            // Draw text on bottom right corner
+            qp_drawtext_recolor(lcd_surface, (LCD_WIDTH - width), (LCD_HEIGHT - thintel->line_height), thintel, text, HSV_WHITE, HSV_BLACK);
+
+            // Make sure to not run this again.
+            display_set = true;
+            second_display_set = true;
+        }
+    }
+
+    // Make sure that the second display loads correctly, sometimes it takes a little while for the keyboard to know it has a second display.
+    // So we reset the state and make it run again until the secondary display is drawn correctly
+    if(second_display && !second_display_set) { 
+        display_set = false;
+    }
+
+    // Move surface to lcd, this actually writes the content to the physical display
+    qp_surface_draw(lcd_surface, lcd, 0, 0, 0);
+    
+    return false;
+}