ds3231: minor code style fixes.
Comment, on the week day start.
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1 changed files with 4 additions and 2 deletions
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@ -16,13 +16,13 @@
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/* Convert normal decimal to binary coded decimal */
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static inline uint8_t decToBcd(uint8_t dec)
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{
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return(((dec / 10) * 16) + (dec % 10));
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return (dec / 10) * 16 + dec % 10;
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}
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/* Convert binary coded decimal to normal decimal */
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static inline uint8_t bcdToDec(uint8_t bcd)
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{
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return(((bcd / 16) * 10) + (bcd % 16));
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return (bcd / 16) * 10 + bcd % 16;
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}
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/* Send a number of bytes to the rtc over i2c
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@ -49,6 +49,8 @@ int ds3231_setTime(struct tm *time)
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data[0] = decToBcd(time->tm_sec);
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data[1] = decToBcd(time->tm_min);
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data[2] = decToBcd(time->tm_hour);
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/* The week data must be in the range 1 to 7, and to keep the start on the
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* same day as for tm_wday have it start at 1 on Sunday. */
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data[3] = decToBcd(time->tm_wday + 1);
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data[4] = decToBcd(time->tm_mday);
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data[5] = decToBcd(time->tm_mon + 1);
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