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ARM: Allocate HEAP into external SDRAM with Keil-RTX (3 Replies)

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Hello! I'm developing an application which requires the heap to be located in a 32MB off-chip SDRAM. I'm using Keil RTX in the project. The problem is the application falls when a function malloc() is calling. The crystall used is STM32F746IG. The external SDRAM is MT48LC16M16A2P. There are absolutely clear project with only RTX_CM4.lib, RTX_Conf_CM.c, startup_stm32f746xx.s and system_stm32f4xx.c files. I have #define DATA_IN_ExtSDRAM in system_stm32f4xx.c file to initialize SDRA

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