LbbbyVisitor IIForum|Forum|6 years agoApril 18, 2020QuestionSTM32F7690-DISCO .. Just run the LCD Brighrness function and the screen is broken.Forum|Forum|6 years agoApril 18, 20201 reply813 viewsFunction Use HAL_DSI_ShortWrite(&hdsi,LCD_OTM8009A_ID, DSI_DCS_SHORT_PKT_WRITE_P1,OTM8009A_CMD_WRDISBV, (uint16_t)(value * 255)/100);....If you adjust the backlight in real time, the screen will break.Mcu : STM32F769-DISCOTool TouchGFX 4.13CubeMX : 5.6.1DSISTM32F7 seriesTouchGFX