stm32 芯片编程时,如何定义把一个全局变量,定义到RAM的固定位置??
stm32 芯片编程时,如何定义把一个全局变量,定义到RAM的固定位置??求告诉解答,并贴出固体的定义方法
RE:stm32 芯片编程时,如何定义把一个全局变量,定义到RAM的固定位置??
可以这样定义int iiii __attribute__((at(0x20000004)));
RE:stm32 芯片编程时,如何定义把一个全局变量,定义到RAM的固定位置??
Exampleint x1 = 5; // in .data (default)
int y1; // in .bss (default)
int const z1 = {1,2,3}; // in .constdata (default)
#pragma arm section rwdata = "foo", rodata = "bar"
int x2 = 5; // in foo (data part of region)
int y2; // in .bss
int const z2 = {1,2,3}; // in bar
char *s2 = "abc"; // s2 in foo, "abc" in .conststring
#pragma arm section rodata
int x3 = 5; // in foo
int y3; // in .bss
int const z3 = {1,2,3}; // in .constdata
char *s3 = "abc"; // s3 in foo, "abc" in .conststring
#pragma arm section code = "foo"
int add1(int x) // in foo (code part of region)
{
return x+1;
}
#pragma arm section code
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