参考博客:
https://blog.csdn.net/rzjmpb/article/details/50365915
在我的E:\vivado_program\ps_to_pl_bram1工程中为:
在SDK中的软件程序如下所示:
#include <stdio.h> #include "platform.h" #include "xil_io.h" #include "xparameters.h" //void print(char *str); int main() { init_platform(); //print("Hello World\n\r"); int num; int result; xil_printf("..........the test is start.........\n\r"); for(num=0;num<15;num++) { Xil_Out32(XPAR_AXI_BRAM_CTRL_0_S_AXI_BASEADDR+num*4,0x10000000+num); } for(num=0;num<15;num++) { result=Xil_In32(XPAR_AXI_BRAM_CTRL_1_S_AXI_BASEADDR+num*4); xil_printf("the data at %x is %x \n\r",XPAR_AXI_BRAM_CTRL_1_S_AXI_BASEADDR+num*4,result); } xil_printf("..........the test is end.........\n\r"); cleanup_platform(); return 0; }
或者如下:
#include <stdio.h> #include "platform.h" #include "xil_io.h" #include "xparameters.h" //void print(char *str); int main() { init_platform(); //print("Hello World\n\r"); int num; int result; xil_printf("..........the test is start.........\n\r"); for(num=0;num<15;num++) { Xil_Out32(XPAR_AXI_BRAM_CTRL_1_S_AXI_BASEADDR+num*4,0x10000000+num); } for(num=0;num<15;num++) { result=Xil_In32(XPAR_AXI_BRAM_CTRL_0_S_AXI_BASEADDR+num*4); xil_printf("the data at %x is %x \n\r",XPAR_AXI_BRAM_CTRL_0_S_AXI_BASEADDR+num*4,result); } xil_printf("..........the test is end.........\n\r"); cleanup_platform(); return 0; }
上述两种程序,只是交换了读写的起始地址。
在我的E:\vivado_program\ps_to_pl_bram2工程中为:
在SDK中的软件程序如下所示:
#include <stdio.h> #include "platform.h" #include "xil_io.h" #include "xparameters.h" //void print(char *str); int main() { init_platform(); //print("Hello World\n\r"); int num; int median_result; int result; xil_printf("..........the test is start.........\n\r"); for(num=0;num<15;num++) { Xil_Out32(XPAR_AXI_BRAM_CTRL_0_S_AXI_BASEADDR+num*4,0x10000000+num); } for(num=0;num<15;num++) { result=Xil_In32(XPAR_AXI_BRAM_CTRL_0_S_AXI_BASEADDR+num*4); xil_printf("the data at %x is %x \n\r",XPAR_AXI_BRAM_CTRL_0_S_AXI_BASEADDR+num*4,result); } xil_printf("..........the test is end.........\n\r"); cleanup_platform(); return 0; }
两者达到了同样的效果。