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Write and read the RX8130CE WEEK register as one-hot 🤖🤖 #3550

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Write and read the RX8130CE WEEK register as one-hot 🤖🤖 #3550

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10 changes: 8 additions & 2 deletions src/helpers/RTC_RX8130CE.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,7 @@ bool RTC_RX8130CE::setTime(struct tm *t) {
buf[1] = bin2bcd(t->tm_sec) & 0x7F;
buf[2] = bin2bcd(t->tm_min) & 0x7F;
buf[3] = bin2bcd(t->tm_hour) & 0x3F;
buf[4] = bin2bcd(t->tm_wday) & 0x07;
buf[4] = 1 << t->tm_wday; // one-hot, Sunday = 01h ... Saturday = 40h; gmtime() gives 0-6
buf[5] = bin2bcd(t->tm_mday) & 0x3F;
buf[6] = bin2bcd(t->tm_mon + 1) & 0x1F;
buf[7] = bin2bcd((t->tm_year - 100));
Expand Down Expand Up @@ -141,7 +141,13 @@ bool RTC_RX8130CE::getTime(struct tm *t) {
t->tm_sec = bcd2bin(buff[0] & 0x7F);
t->tm_min = bcd2bin(buff[1] & 0x7F);
t->tm_hour = bcd2bin(buff[2] & 0x3F);
t->tm_wday = bcd2bin(buff[3] & 0x07);
t->tm_wday = 0; // the lowest set bit of the one-hot WEEK register; none reads as Sunday
for (int i = 0; i < 7; i++) {
if (buff[3] & (1 << i)) {
t->tm_wday = i;
break;
}
}
t->tm_mday = bcd2bin(buff[4] & 0x3F);
t->tm_mon = bcd2bin(buff[5] & 0x1F) - 1;
t->tm_year = bcd2bin(buff[6]) + 100;
Expand Down