From b5feda9ad320d80d590fa8be68e9ddae927f8e86 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20G=C3=A1lvez?= <dgalvez75@gmail.com>
Date: Sun, 14 Feb 2016 19:16:58 +0000
Subject: [PATCH] Request RTC data to the MCF when shutdown is done by software

---
 MLAB/firebee1/firebee1.asm | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/MLAB/firebee1/firebee1.asm b/MLAB/firebee1/firebee1.asm
index c347365..da6f628 100644
--- a/MLAB/firebee1/firebee1.asm
+++ b/MLAB/firebee1/firebee1.asm
@@ -40,6 +40,9 @@ GO_SUB				EQU		0x4C		;WENN GLEICH 0xFB DANN SUBROUTINE AUSF
 GO_INT				EQU		0x4D		;WENN GLEICH 0xFB DANN SUBROUTINE AUSFÜHREN
 EAPIR1				EQU		0x4E		;INTERRUPT ACTIV UND ENABLE
 EAPIR2				EQU		0x4F		;INTERRUPT ACTIV UND ENABLE
+COUNT1				EQU		0x50		;COUNTER FOR WAIT LOOP
+COUNT2				EQU		0x51		;COUNTER FOR WAIT LOOP
+SW_POWER_OFF_FLAG	EQU		0x52		;SOFTWARE SHUTDOWN FLAG
 ;BANK 1 AB 0x100
 RX_BUFFER			EQU		0x100		;0x80 BYT BUFFER BIS 0x17F BANK
 TX_BUFFER			EQU		0x180		;0X80 BYT BUFFER BIS 0x1FF BANK
@@ -277,6 +280,7 @@ KALT_START
 	CLRF	RX_STATUS
 	CLRF	TX_STATUS
 	BSF 	PIE1,TMR1IE 		;Enable Timer1 interrupt
+	CLRF	SW_POWER_OFF_FLAG
 ;AD WANDLER INITIALISIEREN
 	CLRF	AD_KANAL			;BEI 0 BEGINNEN
 	CLRF	ADCON0				;AD MOUDUL AUS
@@ -318,6 +322,8 @@ MAIN
 WARTEN
 	BTFSC	TRISD,RD0			;SKIP IF POWER ON
  	SLEEP						;SLEPP BIS ZUM NÄCHSTEN INTERRUPT
+	TSTFSZ	SW_POWER_OFF_FLAG	;SOFTWARE SHUTDOWN FLAG SET?
+	CALL	SW_POWER_OFF		;YES->
 	BRA	MAIN
 MAIN2
 	CALL	EXTERN_SUBROUTINES	;EXTERNE SUBROUTINEN AUSFÜHREN AN STELLE 0 MUSS 0xFA STEHEN SONST UNGÜLTIG
@@ -349,6 +355,29 @@ POWER_AUS
 	BSF		TRISA,RA7			;CLOCK DEAKTIVIEREN
 	CLRF	POWER_ON_TIME		;RÜCKSETZEN
 	BRA		LS_OFF_POWER		;LADESTROM EINSTELLEN
+SW_POWER_OFF
+;BEFORE SOFTWARE POWER OFF GET RTC DATA FROM MCF
+	MOVLW	REQ_RTCD_FROM_MCF
+	MOVWF	TXREG				;BLOCK HEADER = 0X81
+;WAIT 260 ms APPROX FOR MCF TO SEND RTC DATA
+	MOVLW	.255
+	MOVWF	COUNT1
+	MOVWF	COUNT2
+WAIT_MCF
+	NOP
+	NOP
+	NOP
+	NOP
+	NOP
+	DECFSZ	COUNT1
+	GOTO	WAIT_MCF
+	MOVLW	.255
+	MOVWF	COUNT1
+	DECFSZ	COUNT2	
+	GOTO	WAIT_MCF
+	CALL	POWER_AUS
+	CLRF	SW_POWER_OFF_FLAG
+	RETURN
 ;LADESTROM EINSTELLEN ----------------------------
 LADESTROM
 	BTFSC	TRISD,RD0			; ONPOWER?
@@ -673,7 +702,7 @@ LC2:
 	CPFSEQ	POSTINC1			;=? SIKP JA
 	BRA		LC4					;NEIN->
 ;POWER OFF
-	CALL	POWER_AUS
+	INCF	SW_POWER_OFF_FLAG	;SET SOFTWARE SHUTDOWN FLAG
 	CLRF	RX_STATUS			;JA FERTIG
 	RETFIE
 LC4: