From 5e118e76394f8e735e8fd5292a89c14a9a7e99e7 Mon Sep 17 00:00:00 2001
From: Dylan Smith <dsmith@tfsnc.com>
Date: Wed, 7 Jan 2026 14:41:00 -0500
Subject: [PATCH] wip

---
 Core/Src/graphics.c | 2 ++
 Core/Src/main.c     | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/Core/Src/graphics.c b/Core/Src/graphics.c
index d0d7c29..e91abf3 100644
--- a/Core/Src/graphics.c
+++ b/Core/Src/graphics.c
@@ -1,4 +1,5 @@
 #include "graphics.h"
+#include "stm32f4xx_hal_ltdc.h"
 
 __attribute__((section(".sdram")))
 volatile Pixel_t framebuffer[DISPLAY_HEIGHT * DISPLAY_WIDTH];
@@ -16,4 +17,5 @@ void DisplayTest(uint16_t color)
             framebuffer[(h * DISPLAY_WIDTH) + w] = color;
         }
     }
+
 }
\ No newline at end of file
diff --git a/Core/Src/main.c b/Core/Src/main.c
index a339d50..f9a1480 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -19,6 +19,7 @@
 /* Includes ------------------------------------------------------------------*/
 #include "main.h"
 #include "cmsis_os.h"
+#include "stm32f4xx_hal_ltdc.h"
 #include "stm32f4xx_hal_sdram.h"
 #include "stm32f4xx_ll_fmc.h"
 #include "usb_host.h"
@@ -700,8 +701,10 @@ void StartDefaultTask(void const * argument)
   for(;;)
   {
     DisplayTest(0xffff);
+    HAL_LTDC_Reload(&hltdc, LTDC_RELOAD_IMMEDIATE);
     osDelay(500);
     DisplayTest(0x0000);
+    HAL_LTDC_Reload(&hltdc, LTDC_RELOAD_IMMEDIATE);
     osDelay(500);
   }
   /* USER CODE END 5 */