27 lines
656 B
C
27 lines
656 B
C
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/*
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* Ʒ<EFBFBD>ǿƼ<EFBFBD>
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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#include"cpu.h"
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#include"key.h"
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#include"delay.h"
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/*0Ϊ<30><CEAA><EFBFBD><EFBFBD>ģʽ 1Ϊ<31><CEAA><EFBFBD><EFBFBD>ģʽ*/
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unsigned char KEY_Proc (unsigned char mode)
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{
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static unsigned char key_up=1; //<2F><><EFBFBD><EFBFBD><EFBFBD>ɿ<EFBFBD><C9BF><EFBFBD>־
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if(mode==1)key_up=1; //֧<><D6A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// u3_printf("keyup:%d BTN0:%d BTN1:%d\r\n",key_up,BTN0,BTN1);
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if(key_up&&(BTN1==1||BTN2==1||BTN3==1))
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{
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//u3_printf("in key proc\r\n");
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delay_ms(10);
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key_up=0;
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if(BTN1==1) return BTN1_PRES;
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else if(BTN2==1) return BTN2_PRES;
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else if(BTN3==1) return BTN3_PRES;
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}else if(BTN1==0&&BTN2==0&&BTN3==0)key_up=1;
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return 0; //<2F>ް<EFBFBD><DEB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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}
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