?? sram.c
字號:
#include "SEED-DSK2407.h"
void SystemInit(void);
void PHANTOM(void);
unsigned int good_flag;
unsigned int bad_flag;
unsigned int * EXT_RAM = (unsigned int *) 0x8000;
void main()
{
unsigned int i;
unsigned int *p;
good_flag = 0;
bad_flag = 0;
DINT;
SystemInit();
for(i = 0; i < 0x8000; i++)
{
*(EXT_RAM+i) = 0x55;
if((*(EXT_RAM+i)&0xff) != 0x55)
{
bad_flag = 1;
}
*(EXT_RAM+i) = 0xaa;
if((*(EXT_RAM+i)&0xff) != 0xaa)
{
bad_flag = 1;
}
}
if(bad_flag == 1)
{
for(;;);
}
for(;;)
{
good_flag = 1;
}
}
void SystemInit(void)
{
WSGR = 0;
*WDCR = 0x68;
*SCSR1 = 0x200;
}
void PHANTOM(void)
{
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -