/** ****************************************************************************** * File Name : TouchGFXGeneratedHAL.cpp ****************************************************************************** * This file is generated by TouchGFX Generator 4.26.0. Please, do not edit! ****************************************************************************** * @attention * * Copyright (c) 2025 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 #include #include #include #include #include #include uint32_t lineBuffer[480]; SoftwareMJPEGDecoder mjpegdecoder1((uint8_t*)lineBuffer); namespace { LOCATION_PRAGMA_NOLOAD("Video_RGB_Buffer") uint32_t videoRGBBuffer[130560] LOCATION_ATTRIBUTE_NOLOAD("Video_RGB_Buffer"); DoubleBufferedVideoController<1, 480, 272, 480 * 2U, Bitmap::RGB565> videoController; } //Singleton Factory VideoController& VideoController::getInstance() { return videoController; } namespace touchgfx { VectorRenderer* VectorRenderer::getInstance() { static CWRVectorRendererRGB565 renderer; return &renderer; } } // namespace touchgfx #include "stm32f7xx.h" #include "stm32f7xx_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[(480 * 272 * 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() { HAL::initialize(); registerEventListener(*(Application::getInstance())); setFrameBufferStartAddresses((void*)frameBuf, (void*)(frameBuf + sizeof(frameBuf) / (sizeof(uint32_t) * 2)), (void*)0); /* * Add software decoder to video controller */ videoController.addDecoder(mjpegdecoder1, 0); videoController.setRGBBuffer((uint8_t*)videoRGBBuffer, sizeof(videoRGBBuffer)); } void TouchGFXGeneratedHAL::configureInterrupts() { NVIC_SetPriority(DMA2D_IRQn, 9); NVIC_SetPriority(LTDC_IRQn, 9); } void TouchGFXGeneratedHAL::enableInterrupts() { NVIC_EnableIRQ(DMA2D_IRQn); NVIC_EnableIRQ(LTDC_IRQn); } void TouchGFXGeneratedHAL::disableInterrupts() { NVIC_DisableIRQ(DMA2D_IRQn); NVIC_DisableIRQ(LTDC_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 HAL::beginFrame(); } void TouchGFXGeneratedHAL::endFrame() { HAL::endFrame(); videoController.endFrame(); } 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) { HAL::flushFrameBuffer(rect); } bool TouchGFXGeneratedHAL::blockCopy(void* RESTRICT dest, const void* RESTRICT src, uint32_t numBytes) { return HAL::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(); } } extern "C" void videoTaskFunc(void* argument) { videoController.decoderTaskEntry(); } 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****/