Question
STM32CubeMX 6.0.0. LTDC layer generation bug on STM32F767IITx
Hey,
Today I updated STM32CubeMX to newest version 6.0.0. When generating my project for custom board on STM32F767 MCU i noticed bug in generated MX_LTDC_Init() function. When I configure one layer in CubeMX, generated code is always generated for 2 layers.
Here is code generated from new CubeMX 6.0.0.:
void MX_LTDC_Init(void)
{
LTDC_LayerCfgTypeDef pLayerCfg = {0};
LTDC_LayerCfgTypeDef pLayerCfg1 = {0};
hltdc.Instance = LTDC;
hltdc.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hltdc.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hltdc.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hltdc.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hltdc.Init.HorizontalSync = 0;
hltdc.Init.VerticalSync = 0;
hltdc.Init.AccumulatedHBP = 46;
hltdc.Init.AccumulatedVBP = 23;
hltdc.Init.AccumulatedActiveW = 846;
hltdc.Init.AccumulatedActiveH = 503;
hltdc.Init.TotalWidth = 862;
hltdc.Init.TotalHeigh = 510;
hltdc.Init.Backcolor.Blue = 0;
hltdc.Init.Backcolor.Green = 0;
hltdc.Init.Backcolor.Red = 0;
if (HAL_LTDC_Init(&hltdc) != HAL_OK)
{
Error_Handler();
}
pLayerCfg.WindowX0 = 0;
pLayerCfg.WindowX1 = 800;
pLayerCfg.WindowY0 = 0;
pLayerCfg.WindowY1 = 480;
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_RGB565;
pLayerCfg.Alpha = 255;
pLayerCfg.Alpha0 = 0;
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
pLayerCfg.FBStartAdress = 0xc0000000;
pLayerCfg.ImageWidth = 800;
pLayerCfg.ImageHeight = 480;
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
if (HAL_LTDC_ConfigLayer(&hltdc, &pLayerCfg, 0) != HAL_OK)
{
Error_Handler();
}
pLayerCfg1.WindowX0 = 0;
pLayerCfg1.WindowX1 = 0;
pLayerCfg1.WindowY0 = 0;
pLayerCfg1.WindowY1 = 0;
pLayerCfg1.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
pLayerCfg1.Alpha = 0;
pLayerCfg1.Alpha0 = 0;
pLayerCfg1.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg1.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
pLayerCfg1.FBStartAdress = 0;
pLayerCfg1.ImageWidth = 0;
pLayerCfg1.ImageHeight = 0;
pLayerCfg1.Backcolor.Blue = 0;
pLayerCfg1.Backcolor.Green = 0;
pLayerCfg1.Backcolor.Red = 0;
if (HAL_LTDC_ConfigLayer(&hltdc, &pLayerCfg1, 1) != HAL_OK)
{
Error_Handler();
}
}and code from CubeMX version 5.6.1. :
void MX_LTDC_Init(void)
{
LTDC_LayerCfgTypeDef pLayerCfg = {0};
hltdc.Instance = LTDC;
hltdc.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hltdc.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hltdc.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hltdc.Init.PCPolarity = LTDC_PCPOLARITY_IIPC;
hltdc.Init.HorizontalSync = 0;
hltdc.Init.VerticalSync = 0;
hltdc.Init.AccumulatedHBP = 46;
hltdc.Init.AccumulatedVBP = 23;
hltdc.Init.AccumulatedActiveW = 846;
hltdc.Init.AccumulatedActiveH = 503;
hltdc.Init.TotalWidth = 862;
hltdc.Init.TotalHeigh = 510;
hltdc.Init.Backcolor.Blue = 0;
hltdc.Init.Backcolor.Green = 0;
hltdc.Init.Backcolor.Red = 0;
if (HAL_LTDC_Init(&hltdc) != HAL_OK)
{
Error_Handler();
}
pLayerCfg.WindowX0 = 0;
pLayerCfg.WindowX1 = 800;
pLayerCfg.WindowY0 = 0;
pLayerCfg.WindowY1 = 480;
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_RGB565;
pLayerCfg.Alpha = 255;
pLayerCfg.Alpha0 = 0;
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
pLayerCfg.FBStartAdress = 0xc0000000;
pLayerCfg.ImageWidth = 800;
pLayerCfg.ImageHeight = 480;
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
if (HAL_LTDC_ConfigLayer(&hltdc, &pLayerCfg, 0) != HAL_OK)
{
Error_Handler();
}
}Please fix this bug. It's annoying to edit code everytime I generate code.
