本人作的dsp 2812读写外部ram的程序。根据硬件设计不同，有些修要更改，也可以把ram.c和main.c中的读写部分嵌入自己已有的程序中。-I made dsp 2812 read and write procedures for external ram. According to hardware design, some of the repair you want to change, but also can read