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 and write ram.c and main.c par