67 lines
921 B
C
67 lines
921 B
C
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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#include "delay.h"
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#include "gpio.h"
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#include "key.h"
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/**
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* @brief KEY1 KEY2 <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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void KEY_Init(void)
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{
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GPIO_E3_C5_Init();
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}
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/**
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* @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD>µļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @retval NO_KEY KEY1 KEY2
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*/
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uint8_t KEY_GetKey(void)
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{
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if (KEY1_Val == 0)
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{
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Delay_ms(10);
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if (KEY1_Val == 0)
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{
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while (KEY1_Val == 0)
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;
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return KEY1;
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}
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}
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else if (KEY2_Val == 0)
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{
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Delay_ms(10);
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if (KEY2_Val == 0)
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{
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while (KEY2_Val == 0)
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;
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return KEY2;
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}
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}
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else
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{
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return NO_KEY;
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}
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}
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/**
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* @brief <EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>²<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @retval KEY1 KEY2
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*/
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uint8_t KEY_GetKeyWait(void)
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{
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uint8_t key = NO_KEY;
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while (key == NO_KEY)
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{
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key = KEY_GetKey();
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}
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return key;
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}
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