1 files changed, 21 insertions, 0 deletions
diff --git a/software/ihu/rtc.inc b/software/ihu/rtc.inc
index 01d11b9..ba76bdb 100644
--- a/software/ihu/rtc.inc
+++ b/software/ihu/rtc.inc
@@ -27,6 +27,27 @@
   ;;  You should have received a copy of the GNU General Public License
   ;;  along with mur.sat. If not, see <http://www.gnu.org/licenses/>.
   ;;
+  ;; -------------------------------------
+  ;; DEFINES
+  ;;   constants
+RTC_ADDR_W   EQU b'11010000'
+RTC_ADDR_R   EQU b'11010001'
+RTC_REG_SEC  EQU H'00'
+RTC_REG_MIN  EQU H'01'
+RTC_REG_HOUR EQU H'02'
+RTC_REG_DOW  EQU H'03'
+RTC_REG_DOM  EQU H'04'
+RTC_REG_MON  EQU H'05'
+RTC_REG_YEAR EQU H'06'
+RTC_REG_A1S  EQU H'07'
+RTC_REG_A1M  EQU H'08'
+RTC_REG_A1H  EQU H'09'
+RTC_REG_A1D  EQU H'0A'
+RTC_REG_A2M  EQU H'0B'
+RTC_REG_A2H  EQU H'0C'
+RTC_REG_A2D  EQU H'0D'
+RTC_REG_CON  EQU H'0E'
+RTC_REG_STAT EQU H'0F'
 
   ;; -------------------------------------
 i2c_start