请教关于malloc的使用

国产大剧场

添加原子哥写的malloc文件到工程下，初始化之后出现空间不足，是怎么回事，刚接触内存分配的问题，诸多不懂，望遇到类似问题的朋友指教，

usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching malloc.o(.bss).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching startup_stm32f105xc.o(HEAP).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching malloc.o(.bss).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching startup_stm32f105xc.o(STACK).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching usb_host.o(.bss).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching usbh_conf.o(.bss).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching uart.o(.bss).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching main.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching malloc.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching usbh_msc.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching ff.o(.bss).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching ff_gen_drv.o(.bss).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching ff.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching uart.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching fatfs.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching stm32f1xx_hal.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching delay.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching system_stm32f1xx.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching stdout.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching mvars.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching mvars.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching stm32f1xx_it.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6406E: No space in execution regions with .ANY selector matching usb_host.o(.data).
usbhost Configuration\usbhost Configuration.axf: Error: L6407E: Sections of aggregate size 0x1d588 bytes could not fit into .ANY selector(s).

zuozhongkai

例程的malloc中会定义一个很大的数组，这个数组定义在内部ram中，malloc内存申请就是从这个数组中申请的，错误提示是RAM不够了，说明这个数组太大了，把这个数组改小，直到能编译下去。

国产大剧场

zuozhongkai 发表于 2017-12-12 10:47
例程的malloc中会定义一个很大的数组，这个数组定义在内部ram中，malloc内存申请就是从这个数组中申请的， ...

谢谢。果然没错误了