35 lines
548 B
C++
35 lines
548 B
C++
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#include <Arduino.h>
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#include "RtcUtility.h"
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uint8_t BcdToUint8(uint8_t val)
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{
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return val - 6 * (val >> 4);
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}
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uint8_t Uint8ToBcd(uint8_t val)
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{
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return val + 6 * (val / 10);
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}
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uint8_t BcdToBin24Hour(uint8_t bcdHour)
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{
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uint8_t hour;
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if (bcdHour & 0x40)
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{
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// 12 hour mode, convert to 24
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bool isPm = ((bcdHour & 0x20) != 0);
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hour = BcdToUint8(bcdHour & 0x1f);
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if (isPm)
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{
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hour += 12;
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}
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}
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else
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{
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hour = BcdToUint8(bcdHour);
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}
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return hour;
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}
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