Add BCD to decimal conversion of values read from RTC, and decimal to BCD when storing values.
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@ -213,6 +213,7 @@ static int rtc_pcf85363_get_regs(struct rtc_pcf85363a_config* conf,
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* When performing a time read operation, all time registers have to be read at once as
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* a copy of the internal values is made by the device to a temporary buffer at the
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* beginning of the read for data coherency.
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* This reads the raw values, which are stored in BCD format.
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*/
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int rtc_pcf85363_time_read(struct rtc_pcf85363a_config* conf, struct rtc_time* time)
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{
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@ -227,6 +228,26 @@ int rtc_pcf85363_time_read(struct rtc_pcf85363a_config* conf, struct rtc_time* t
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return 0;
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}
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/* Convertion of given time from BCD to decimal */
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void rtc_pcf85363_time_bcd_to_dec(struct rtc_time* time)
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{
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time->sec = ((time->sec & 0x0F) + ((time->sec & 0xF0) >> 4) * 10);
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time->min = ((time->min & 0x0F) + ((time->min & 0xF0) >> 4) * 10);
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time->hour = ((time->hour & 0x0F) + ((time->hour & 0xF0) >> 4) * 10);
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time->day = ((time->day & 0x0F) + ((time->day & 0xF0) >> 4) * 10);
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time->month = ((time->month & 0x0F) + ((time->month & 0xF0) >> 4) * 10);
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time->year = ((time->year & 0x0F) + ((time->year & 0xF0) >> 4) * 10);
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}
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/* Time Read, converted to decimal */
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int rtc_pcf85363_time_read_dec(struct rtc_pcf85363a_config* conf, struct rtc_time* time)
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{
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int ret = 0;
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ret = rtc_pcf85363_time_read(conf, time);
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rtc_pcf85363_time_bcd_to_dec(time);
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return ret;
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}
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/* Time Write
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* A time write operation has to be done in one go for all time registers for time data
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* coherency.
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@ -263,6 +284,27 @@ int rtc_pcf85363_time_write(struct rtc_pcf85363a_config* conf, struct rtc_time*
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return 0;
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}
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/* Convertion of given time from decimal to BCD */
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void rtc_pcf85363_time_dec_to_bcd(struct rtc_time* time)
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{
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time->sec = ((time->sec % 10) + ((time->sec / 10) << 4));
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time->min = ((time->min % 10) + ((time->min / 10) << 4));
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time->hour = ((time->hour % 10) + ((time->hour / 10) << 4));
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time->day = ((time->day % 10) + ((time->day / 10) << 4));
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time->month = ((time->month % 10) + ((time->month / 10) << 4));
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time->year = ((time->year % 10) + ((time->year / 10) << 4));
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}
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/* Time Write, from decimal */
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int rtc_pcf85363_time_write_dec(struct rtc_pcf85363a_config* conf, struct rtc_time* time)
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{
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int ret = 0;
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rtc_pcf85363_time_dec_to_bcd(time);
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ret = rtc_pcf85363_time_write(conf, time);
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return ret;
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}
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/* Get one of the timestamps
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*/
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@ -150,6 +150,20 @@ int rtc_pcf85363_time_read(struct rtc_pcf85363a_config* conf, struct rtc_time* t
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int rtc_pcf85363_time_write(struct rtc_pcf85363a_config* conf, struct rtc_time* time);
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/* Convertion of given time from BCD to decimal */
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void rtc_pcf85363_time_bcd_to_dec(struct rtc_time* time);
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/* Convertion of given time from decimal to BCD */
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void rtc_pcf85363_time_dec_to_bcd(struct rtc_time* time);
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/* Time Read, converted to decimal */
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int rtc_pcf85363_time_read_dec(struct rtc_pcf85363a_config* conf, struct rtc_time* time);
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/* Time Write, from decimal */
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int rtc_pcf85363_time_write_dec(struct rtc_pcf85363a_config* conf, struct rtc_time* time);
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/* Get one of the timestamps */
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int rtc_pcf85363_get_timestamp(struct rtc_pcf85363a_config* conf,
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