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25 lines
374 B
C
25 lines
374 B
C
#include "btn.h"
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#include "i2c.h"
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#include "t210.h"
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u32 btn_read()
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{
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u32 res = 0;
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if(!(GPIO_6(0x3C) & 0x80))
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res |= BTN_VOL_DOWN;
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if(!(GPIO_6(0x3C) & 0x40))
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res |= BTN_VOL_UP;
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if(i2c_recv_byte(4, 0x3C, 0x15) & 0x4)
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res |= BTN_POWER;
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return res;
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}
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u32 btn_wait()
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{
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u32 res = 0, btn = btn_read();
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do
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{
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res = btn_read();
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} while (btn == res);
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return res;
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}
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