參考博客:
https://blog.csdn.net/rzjmpb/article/details/50365915
在我的E:\vivado_program\ps_to_pl_bram1工程中爲:
在SDK中的軟件程序如下所示:
#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;
}
上述兩種程序,只是交換了讀寫的起始地址。
在我的E:\vivado_program\ps_to_pl_bram2工程中爲:
在SDK中的軟件程序如下所示:
#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;
}
兩者達到了同樣的效果。