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Display more config info at DS1302 RTC initialization

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For systems which use Super capacitor or rechargable battery, trickle charge status is displayed. Good for users with ECB-RAMF for example. Trickle charge can be turned on/off with the RTC.COM utility and the status set will now be display at boot time.
This commit is contained in:
b1ackmai1er
2018-09-28 19:01:48 +08:00
committed by GitHub
parent f7cf537454
commit 97e9339bc9
1 changed files with 19 additions and 1 deletions
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20
Source/HBIOS/dsrtc.asm
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@@ -122,7 +122,14 @@ DSRTC_INIT1:
CALL DSRTC_CLK2TIM
LD HL,DSRTC_TIMBUF
CALL PRTDT
;
PRTS(" CHARGE=$")
CALL DSRTC_TSTCHG
JR NZ,NOCHG1
PRTS("ON$")
JR NOCHG2
NOCHG1:
PRTS("OFF$")
NOCHG2:
XOR A ; SIGNAL SUCCESS
RET
;
@@ -260,6 +267,17 @@ DSRTC_TIM2CLK:
LD (DSRTC_DAY),A
RET
;
; TEST CLOCK FOR CHARGE DATA
;
DSRTC_TSTCHG:
LD C,$91 ; CHARGE RESISTOR & DIODE VALUES
CALL DSRTC_CMD ; SEND THE COMMAND
CALL DSRTC_GET ; READ THE REGISTER
CALL DSRTC_END ; FINISH IT
AND %11110000 ; CHECK FOR
CP %10100000 ; ENABLED FLAG
RET
;
; TEST CLOCK FOR VALID DATA
; READ CLOCK HALT BIT AND RETURN ZF BASED ON BIT VALUE
; 0 = RUNNING