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Add option to force DS1302 RTC to turn on super caps and battery recharging at boot.

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This commit is contained in:
b1ackmai1er
2018-11-07 15:15:12 +08:00
committed by GitHub
parent 04084b31aa
commit 7cdad0b4ed
2 changed files with 22 additions and 0 deletions
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1
Source/HBIOS/cfg_sbc.asm
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@@ -19,6 +19,7 @@ HTIMENABLE .EQU FALSE ; TRUE FOR SIMH TIMER SUPPORT
SIMRTCENABLE .EQU FALSE ; SIMH CLOCK DRIVER
DSRTCENABLE .EQU TRUE ; DS-1302 CLOCK DRIVER
DSRTCMODE .EQU DSRTCMODE_STD ; DSRTCMODE_STD, DSRTCMODE_MFPIC
DSRTCCHG .EQU FALSE ; DS-1302 CONFIGURE CHARGE ON (TRUE) OR OFF (FALSE)
;
ASCIENABLE .EQU FALSE ; TRUE FOR Z180 ASCI SUPPORT
UARTENABLE .EQU TRUE ; TRUE FOR UART SUPPORT (ALMOST ALWAYS WANT THIS TO BE TRUE)

21
Source/HBIOS/dsrtc.asm
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@@ -122,6 +122,27 @@ DSRTC_INIT1:
CALL DSRTC_CLK2TIM
LD HL,DSRTC_TIMBUF
CALL PRTDT
#IF DSRTCCHG ; FORCE_RTC_CHARGE_ENABLE
LD C,$8E ; ACCESS WRITE PROT REG
CALL DSRTC_CMD ;
LD A,$00 ; WRITE PROTECT OFF
CALL DSRTC_PUT ;
CALL DSRTC_END ; FINISH CMD
LD C,$90 ; ACCESS CHARGE REGISTER
CALL DSRTC_CMD ;
LD A,$A5 ; STD CHARGE VALUES
CALL DSRTC_PUT ;
CALL DSRTC_END ; FINISH REG WRITE
LD C,$8E ; ACCESS WRITE PROT REG
CALL DSRTC_CMD ;
LD A,$80 ; WRITE PROTECT ON
CALL DSRTC_PUT ;
CALL DSRTC_END ; FINISH CMD
#ENDIF
PRTS(" CHARGE=$")
CALL DSRTC_TSTCHG
JR NZ,NOCHG1