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Appli/TouchGFX/target/generated/TouchGFXGeneratedHAL.cpp

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+/**
+  ******************************************************************************
+  * File Name          : TouchGFXGeneratedHAL.cpp
+  ******************************************************************************
+  * This file is generated by TouchGFX Generator 4.26.1. Please, do not edit!
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2026 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+
+#include <TouchGFXGeneratedHAL.hpp>
+#include <touchgfx/hal/OSWrappers.hpp>
+#include <gui/common/FrontendHeap.hpp>
+#include <touchgfx/hal/GPIO.hpp>
+
+#include <touchgfx_nema/GPU2DVectorRenderer.hpp>
+
+#include <HardwareMJPEGDecoder.hpp>
+#include <DirectFrameBufferVideoController.hpp>
+#include <stm32h7rsxx_hal.h>
+
+HardwareMJPEGDecoder mjpegdecoder1;
+
+namespace
+{
+DirectFrameBufferVideoController<1, Bitmap::RGB565> videoController;
+}
+
+//Singleton Factory
+VideoController& VideoController::getInstance()
+{
+    return videoController;
+}
+
+namespace touchgfx
+{
+VectorRenderer* VectorRenderer::getInstance()
+{
+    static GPU2DVectorRenderer renderer;
+
+    return &renderer;
+}
+} // namespace touchgfx
+
+#include "stm32h7rsxx.h"
+#include "stm32h7rsxx_hal_ltdc.h"
+
+using namespace touchgfx;
+
+namespace
+{
+// Use the section "TouchGFX_Framebuffer" in the linker script to specify the placement of the buffer
+LOCATION_PRAGMA_NOLOAD("TouchGFX_Framebuffer")
+uint32_t frameBuf[(800 * 480 * 2 + 3) / 4 * 2] LOCATION_ATTRIBUTE_NOLOAD("TouchGFX_Framebuffer");
+static uint16_t lcd_int_active_line;
+static uint16_t lcd_int_porch_line;
+}
+
+void TouchGFXGeneratedHAL::initialize()
+{
+    HALGPU2D::initialize(16384);
+    registerEventListener(*(Application::getInstance()));
+    setFrameBufferStartAddresses((void*)frameBuf, (void*)(frameBuf + sizeof(frameBuf) / (sizeof(uint32_t) * 2)), (void*)0);
+
+    /*
+     * Add DMA2D to hardware decoder
+     */
+    mjpegdecoder1.addDMA(dma);
+
+    /*
+     * Add hardware decoder to video controller
+     */
+    videoController.addDecoder(mjpegdecoder1, 0);
+}
+
+void TouchGFXGeneratedHAL::configureInterrupts()
+{
+    NVIC_SetPriority(DMA2D_IRQn, 9);
+    NVIC_SetPriority(LTDC_IRQn, 9);
+    NVIC_SetPriority(GPU2D_IRQn, 9);
+}
+
+void TouchGFXGeneratedHAL::enableInterrupts()
+{
+    NVIC_EnableIRQ(DMA2D_IRQn);
+    NVIC_EnableIRQ(LTDC_IRQn);
+    NVIC_EnableIRQ(GPU2D_IRQn);
+}
+
+void TouchGFXGeneratedHAL::disableInterrupts()
+{
+    NVIC_DisableIRQ(DMA2D_IRQn);
+    NVIC_DisableIRQ(LTDC_IRQn);
+    NVIC_DisableIRQ(GPU2D_IRQn);
+}
+
+void TouchGFXGeneratedHAL::enableLCDControllerInterrupt()
+{
+    lcd_int_active_line = (LTDC->BPCR & LTDC_BPCR_AVBP_Msk) - 1;
+    lcd_int_porch_line = (LTDC->AWCR & LTDC_AWCR_AAH_Msk) - 1;
+
+    /* Sets the Line Interrupt position */
+    LTDC->LIPCR = lcd_int_active_line;
+    /* Line Interrupt Enable            */
+    LTDC->IER |= LTDC_IER_LIE;
+}
+
+bool TouchGFXGeneratedHAL::beginFrame()
+{
+    return HALGPU2D::beginFrame();
+}
+
+void TouchGFXGeneratedHAL::endFrame()
+{
+    HALGPU2D::endFrame();
+}
+
+void TouchGFXGeneratedHAL::submitGPU2D()
+{
+    HALGPU2D::submitExecBuffer();
+}
+
+uint16_t* TouchGFXGeneratedHAL::getTFTFrameBuffer() const
+{
+    return (uint16_t*)LTDC_Layer1->CFBAR;
+}
+
+void TouchGFXGeneratedHAL::setTFTFrameBuffer(uint16_t* adr)
+{
+    LTDC_Layer1->CFBAR = (uint32_t)adr;
+
+    /* Reload immediate */
+    LTDC->SRCR = (uint32_t)LTDC_SRCR_IMR;
+}
+
+void TouchGFXGeneratedHAL::flushFrameBuffer(const touchgfx::Rect& rect)
+{
+    HALGPU2D::flushFrameBuffer(rect);
+}
+
+bool TouchGFXGeneratedHAL::blockCopy(void* RESTRICT dest, const void* RESTRICT src, uint32_t numBytes)
+{
+    return HALGPU2D::blockCopy(dest, src, numBytes);
+}
+
+void TouchGFXGeneratedHAL::InvalidateCache()
+{
+    // Because DMA2D access main memory directly, the DCache must be invalidated
+    // becuase it could hold a wrong image of the framebuffer. That's done
+    // using the function SCB_CleanInvalidateDCache(). Remember to enable
+    // "CPU Cache" in the "System Core" settings for "Cortex M7" in CubeMX
+    // in order for this function call to work.
+    if (SCB->CCR & SCB_CCR_DC_Msk)
+    {
+        SCB_CleanInvalidateDCache();
+    }
+}
+
+void TouchGFXGeneratedHAL::FlushCache()
+{
+    // If the framebuffer is placed in Write-Back cached memory (e.g. SRAM) then
+    // the DCache must be flushed prior to DMA2D accessing it. That's done
+    // using the function SCB_CleanInvalidateDCache(). Remember to enable
+    // "CPU Cache" in the "System Core" settings for "Cortex M7" in CubeMX in
+    // order for this function call to work.
+    if (SCB->CCR & SCB_CCR_DC_Msk)
+    {
+        SCB_CleanInvalidateDCache();
+    }
+}
+
+void TouchGFXGeneratedHAL::InvalidateTextureCache()
+{
+    // Hook to invalidate texture cache(s) prior to drawing to a framebuffer.
+    //
+    // When drawing into other buffers in RAM (e.g., dynamic bitmaps), the GPU2D
+    // texture cache may be incoherent with the main memory.
+    HAL_ICACHE_Invalidate();
+}
+
+extern "C"
+{
+    void HAL_LTDC_LineEventCallback(LTDC_HandleTypeDef* hltdc)
+    {
+        if (!HAL::getInstance())
+        {
+            return;
+        }
+
+        if (LTDC->LIPCR == lcd_int_active_line)
+        {
+            //entering active area
+            HAL_LTDC_ProgramLineEvent(hltdc, lcd_int_porch_line);
+            HAL::getInstance()->vSync();
+            OSWrappers::signalVSync();
+
+            // Swap frame buffers immediately instead of waiting for the task to be scheduled in.
+            // Note: task will also swap when it wakes up, but that operation is guarded and will not have
+            // any effect if already swapped.
+            HAL::getInstance()->swapFrameBuffers();
+            GPIO::set(GPIO::VSYNC_FREQ);
+        }
+        else
+        {
+            //exiting active area
+            HAL_LTDC_ProgramLineEvent(hltdc, lcd_int_active_line);
+
+            // Signal to the framework that display update has finished.
+            HAL::getInstance()->frontPorchEntered();
+            GPIO::clear(GPIO::VSYNC_FREQ);
+        }
+    }
+}
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/