通过自定义请求存取外部RAM 1. 实验简述 此实验是对自定义的供应商特殊命令(vendor specific command bRequest = 0xA3)进行解析,程序中的read me说明如下: a3 load is 8051 firmware that can be used for uploading or downloading to EZ-USB RAM (internal or external). It implements the vendor specific comm
http://lwip.wikia.com/wiki/Lwipopts.h Memory management (RAM usage) /** * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library * instead of the lwip internal allocator. Can save code size if you * already use it. */ #ifndef MEM_LIBC