Add BCD to decimal conversion of values read from RTC, and decimal to BCD when storin...

diff --git a/extdrv/rtc_pcf85363a.c b/extdrv/rtc_pcf85363a.c
index f95ffdf..15076ac 100644 (file)
--- a/extdrv/rtc_pcf85363a.c
+++ b/extdrv/rtc_pcf85363a.c
@@ -213,6 +213,7 @@ static int rtc_pcf85363_get_regs(struct rtc_pcf85363a_config* conf,
  * When performing a time read operation, all time registers have to be read at once as
  *  a copy of the internal values is made by the device to a temporary buffer at the
  *  beginning of the read for data coherency.
+ * This reads the raw values, which are stored in BCD format.
  */
 int rtc_pcf85363_time_read(struct rtc_pcf85363a_config* conf, struct rtc_time* time)
 {
@@ -227,6 +228,26 @@ int rtc_pcf85363_time_read(struct rtc_pcf85363a_config* conf, struct rtc_time* t
        return 0;
 }
 
+/* Convertion of given time from BCD to decimal */
+void rtc_pcf85363_time_bcd_to_dec(struct rtc_time* time)
+{
+       time->sec = ((time->sec & 0x0F) + ((time->sec & 0xF0) >> 4) * 10);
+       time->min = ((time->min & 0x0F) + ((time->min & 0xF0) >> 4) * 10);
+       time->hour = ((time->hour & 0x0F) + ((time->hour & 0xF0) >> 4) * 10);
+       time->day = ((time->day & 0x0F) + ((time->day & 0xF0) >> 4) * 10);
+       time->month = ((time->month & 0x0F) + ((time->month & 0xF0) >> 4) * 10);
+       time->year = ((time->year & 0x0F) + ((time->year & 0xF0) >> 4) * 10);
+}
+
+/* Time Read, converted to decimal */
+int rtc_pcf85363_time_read_dec(struct rtc_pcf85363a_config* conf, struct rtc_time* time)
+{
+       int ret = 0;
+       ret = rtc_pcf85363_time_read(conf, time);
+       rtc_pcf85363_time_bcd_to_dec(time);
+       return ret;
+}
+
 /* Time Write
  * A time write operation has to be done in one go for all time registers for time data
  *  coherency.
@@ -263,6 +284,27 @@ int rtc_pcf85363_time_write(struct rtc_pcf85363a_config* conf, struct rtc_time*
        return 0;
 }
 
+/* Convertion of given time from decimal to BCD */
+void rtc_pcf85363_time_dec_to_bcd(struct rtc_time* time)
+{
+       time->sec = ((time->sec % 10) + ((time->sec / 10) << 4));
+       time->min = ((time->min % 10) + ((time->min / 10) << 4));
+       time->hour = ((time->hour % 10) + ((time->hour / 10) << 4));
+       time->day = ((time->day % 10) + ((time->day / 10) << 4));
+       time->month = ((time->month % 10) + ((time->month / 10) << 4));
+       time->year = ((time->year % 10) + ((time->year / 10) << 4));
+}
+
+/* Time Write, from decimal */
+int rtc_pcf85363_time_write_dec(struct rtc_pcf85363a_config* conf, struct rtc_time* time)
+{
+       int ret = 0;
+       rtc_pcf85363_time_dec_to_bcd(time);
+       ret = rtc_pcf85363_time_write(conf, time);
+       return ret;
+}
+
+
 
 /* Get one of the timestamps
  */

diff --git a/include/extdrv/rtc_pcf85363a.h b/include/extdrv/rtc_pcf85363a.h
index 0d492fc..c833125 100644 (file)
--- a/include/extdrv/rtc_pcf85363a.h
+++ b/include/extdrv/rtc_pcf85363a.h
@@ -150,6 +150,20 @@ int rtc_pcf85363_time_read(struct rtc_pcf85363a_config* conf, struct rtc_time* t
 int rtc_pcf85363_time_write(struct rtc_pcf85363a_config* conf, struct rtc_time* time);
 
 
+/* Convertion of given time from BCD to decimal */
+void rtc_pcf85363_time_bcd_to_dec(struct rtc_time* time);
+
+/* Convertion of given time from decimal to BCD */
+void rtc_pcf85363_time_dec_to_bcd(struct rtc_time* time);
+
+
+/* Time Read, converted to decimal */
+int rtc_pcf85363_time_read_dec(struct rtc_pcf85363a_config* conf, struct rtc_time* time);
+
+/* Time Write, from decimal */
+int rtc_pcf85363_time_write_dec(struct rtc_pcf85363a_config* conf, struct rtc_time* time);
+
+
 
 /* Get one of the timestamps */
 int rtc_pcf85363_get_timestamp(struct rtc_pcf85363a_config* conf,