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48 lines
561 B
48 lines
561 B
#include "bsp_key.h"
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void L2_key_init()
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{
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D_stdIO_P3(BITN2);
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D_stdIO_P3(BITN3);//准双向口
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D_stdIO_P0(BITN2);
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//初始化为高电平
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Key1 = Key2 = Key3 = 1;
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}
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U8 L2_ReadKey1(void)
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{
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Key1 = 1;
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if (Key1 == 0)
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{
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return Key_Down;
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}
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else
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{
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return Key_Up;
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}
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}
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U8 L2_ReadKey2(void)
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{
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Key2 = 1;
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if (Key2 == 0)
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{
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return Key_Down;
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}
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else
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{
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return Key_Up;
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}
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}
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U8 L2_ReadKey3(void)
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{
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Key3 = 1;
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if (Key3 == 0)
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{
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return Key_Down;
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}
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else
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{
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return Key_Up;
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}
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}
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