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24 lines
337 B
24 lines
337 B
#include "sys.h"
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void WFI_SET(void)
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{
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__ASM volatile("wfi");
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}
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//关闭所有中断
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void INTX_DISABLE(void)
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{
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__ASM volatile("cpsid i");
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}
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//开启所有中断
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void INTX_ENABLE(void)
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{
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__ASM volatile("cpsie i");
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}
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//设置栈顶地址
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//addr:栈顶地址
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__asm void MSR_MSP(u32 addr)
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{
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MSR MSP, r0 //set Main Stack value
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BX r14
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}
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