; OSTC - diving computer code
; Copyright (C) 2015 HeinrichsWeikamp GbR

;    This program is free software: you can redistribute it and/or modify
;    it under the terms of the GNU General Public License as published by
;    the Free Software Foundation, either version 3 of the License, or
;    (at your option) any later version.

;    This program is distributed in the hope that it will be useful,
;    but WITHOUT ANY WARRANTY; without even the implied warranty of
;    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;    GNU General Public License for more details.

;    You should have received a copy of the GNU General Public License
;    along with this program.  If not, see <http://www.gnu.org/licenses/>.


; Customviews for divemode
; written by: Matthias Heinrichs, info@heinrichsweikamp.com
; history:
;   2010-12-12: [MH]  First updated
;   2011-01-04: [jDG] Saturation graphs in customview divemode
;   2011-10-10: [jDG] Added Cave live gas counter
; known bugs:
; ToDo:

;=============================================================================
; Show the customview-dependent entry for the divemode menu
;
customview_menu_entry3:
	movff	menupos3,WREG	            ; copy
	dcfsnz	WREG,F
	bra		customview_menu3_stopwatch  ; Show the stopwatch option in divemode menu
	dcfsnz	WREG,F
	bra		customview_menu3_marker     ; Show the marker option in divemode menu
	dcfsnz	WREG,F
	bra		customview_menu3_clock      ; Show nothing
	dcfsnz	WREG,F
	bra		customview_menu3_lead_tiss  ; Show nothing
	dcfsnz	WREG,F
	bra		customview_menu3_average    ; Show nothing
	dcfsnz	WREG,F
	bra		customview_menu3_graphs     ; Show nothing
	dcfsnz	WREG,F
	bra		customview_menu3_ead_end    ; Show nothing
	dcfsnz	WREG,F
	bra		customview_menu3_@5         ; Show nothing
	dcfsnz	WREG,F
	bra		customview_menu3_cave_bailout; Show reset option
	dcfsnz	WREG,F
	bra		customview_menu3_pSCR_ppO2    ; Show nothing
	dcfsnz	WREG,F
	bra		customview_menu3_show_change_gf; Show toggle option

	return

customview_menu3_cave_bailout:
customview_menu3_stopwatch:
	DISPLAYTEXT	.33                     ; ResetAvr
	return

customview_menu3_show_change_gf:
    DISPLAYTEXTH    .269                ; ToggleGF
    return

customview_menu3_marker:
	DISPLAYTEXT	.30                     ; Set Marker
	return

customview_menu3_clock:                 ; No menu entry
customview_menu3_lead_tiss:
customview_menu3_average:
customview_menu3_graphs:
customview_menu3_ead_end:
customview_menu3_@5:
customview_menu3_pSCR_ppO2:
	return

;=============================================================================
; Do every-second tasks for the custom view area

customview_second:                      
	movff	menupos3,WREG               ; copy
	dcfsnz	WREG,F
	bra		customview_1sec_stopwatch   ; Update the Stopwatch
	dcfsnz	WREG,F
	bra		customview_1sec_marker      ; Update the Marker
	dcfsnz	WREG,F
	bra		customview_1sec_clock       ; Update the Clock
	dcfsnz	WREG,F
	bra		customview_1sec_lead_tiss   ; Update the leading tissue
	dcfsnz	WREG,F
	bra		customview_1sec_average     ; Update the Average depth
	dcfsnz	WREG,F
	bra		customview_1sec_graphs      ; Update the leading tissue
	dcfsnz	WREG,F
	bra		customview_1sec_ead_end		; Show END and EAD in divemode
	dcfsnz	WREG,F
	bra		customview_1sec_@5          ; Show TTS for extra time.
	dcfsnz	WREG,F
	bra		customview_1sec_cave_bailout; Show Cave conso prediction.
	dcfsnz	WREG,F
	bra		customview_1sec_pSCR_ppO2	; Show/Update pSCR ppO2
	dcfsnz	WREG,F
	bra		customview_1sec_show_change_gf; Show and/or change GF values
    dcfsnz	WREG,F
    bra     customview_1sec_show_deco_gas
    dcfsnz	WREG,F
    bra     customview_1sec_show_ceiling
	; Menupos3=0, do nothing
	return

customview_1sec_average:
	goto	DISP_total_average_show2	; Update the figures only
	
customview_1sec_stopwatch:
	btfsc	gauge_mode					; In Gauge mode?
	bra		customview_1sec_stopwatch_gauge; Yes

	bsf		menu3_active                ; Set Flag
	goto	DISP_stopwatch_show2        ; Update figures only

customview_1sec_stopwatch_gauge:
	bsf		menu3_active                ; Set Flag
	goto	DISP_stopwatch_show_gauge  	; Update figures + Description

customview_1sec_marker:                 ; Do nothing extra
customview_1sec_show_change_gf:         ; Do nothing extra
	bsf		menu3_active                ; Set Flag
customview_1sec_lead_tiss:              ; Do nothing extra
	return

customview_1sec_clock:
    goto    DISP_diveclock3             ; Update end of divetime only

customview_1sec_graphs:                 ; Do nothing extra
    decfsz  apnoe_mins                  ; 10 sec passed ?
    return                              ; No: skip.
    movlw   .10                         ; Yes: reset counter.
    movwf   apnoe_mins

	call	deco_calc_desaturation_time	; calculate desaturation time
	movlb	b'00000001'						; select ram bank 1
	goto	DISP_tissue_saturation_graph

customview_1sec_ead_end:
	goto	DISP_show_end_ead_divemode

customview_1sec_@5:
    goto    DISP_show_@5

customview_1sec_cave_bailout:
	bsf		menu3_active                ; Set Flag
    goto    DISP_show_cave_bailout

customview_1sec_pSCR_ppO2:
	goto	DISP_show_pSCR_ppO2			; Yes, compute and show value

customview_1sec_show_deco_gas:
    goto    DISP_show_deco_gas1         ; Show the next decogas

customview_1sec_show_ceiling:
    goto    DISP_show_ceiling_1         ; Update the ceiling
	
;=============================================================================
; Do every-minute tasks for the custom view area

customview_minute:
	movff	menupos3,WREG               ; copy
	dcfsnz	WREG,F
	bra		customview_minute_stopwatch ; Update the Stopwatch
	dcfsnz	WREG,F
	bra		customview_minute_marker    ; Update the Marker
	dcfsnz	WREG,F
	bra		customview_minute_clock     ; Update the Clock
	dcfsnz	WREG,F
	bra		customview_minute_lead_tiss ; Update the leading tissue
	dcfsnz	WREG,F
	bra		customview_minute_average	; Update the Average depth
	dcfsnz	WREG,F
	bra		customview_minute_graphs	; Update the graphs
	dcfsnz	WREG,F
	bra		customview_minute_ead_end   ; Show END and EAD in divemode
	dcfsnz	WREG,F
	bra		customview_minute_@5        ; Show TTS for extra time.
	dcfsnz	WREG,F
	bra		customview_minute_cave_bailout; Show Cave consomation prediction.
	dcfsnz	WREG,F
	bra		customview_minute_pSCR_ppO2; Show pSCR ppO2 level
	dcfsnz	WREG,F
	bra		customview_minute_show_change_gf; Show and/or change GF values
    dcfsnz	WREG,F
    bra     customview_minute_show_deco_gas ; Show the next decogas
    dcfsnz	WREG,F
    bra     customview_minute_show_ceiling  ; Update the ceiling
	; Menupos3=0, do nothing
	return

customview_minute_clock:
	goto	DISP_diveclock2             ; Update the clock

customview_minute_lead_tiss:
	goto	DISP_show_leading_tissue_2  ; Update the leading tissue

customview_minute_show_change_gf:       ; Do nothing extra
customview_minute_cave_bailout:         ; Do nothing extra
customview_minute_@5:                   ; Do nothing extra
customview_minute_ead_end:              ; Do nothing extra
customview_minute_marker:               ; Do nothing extra
customview_minute_stopwatch:            ; Do nothing extra
customview_minute_average:				; Do nothing extra
customview_minute_graphs:               ; Do nothing extra
customview_minute_pSCR_ppO2:            ; Do nothing extra
customview_minute_show_deco_gas:        ; Do nothing extra
customview_minute_show_ceiling:         ; Do nothing extra
	return

;=============================================================================
; Show next customview (and delete this flag)

customview_toggle:
	bcf		menu3_active	            ;=1: menu entry three in divemode menu is active		
	ostc_debug	'X'		; Sends debug-information to screen if debugmode active
	
	incf	menupos3,F			            ; Number of customview to show
customview_toggle2:
	btfsc	FLAG_apnoe_mode					; In Apnoe mode?
	bra		customview_toggle_exit			; Yes, ignore custom view in divemode completely

	movlw	d'13'							; Max number
	cpfsgt	menupos3			            ; Max reached?
	bra		customview_mask		            ; No, show
	clrf	menupos3			            ; Reset to zero (Zero=no custom view)

customview_mask:	
	call	DISP_clear_customview_divemode
    bcf     tts_extra_time                  ; By default, CLEAR computation of @5 request.

	movff	menupos3,WREG                   ; Menupos3 holds number of customview function
	dcfsnz	WREG,F
	bra		customview_init_stopwatch		; 1: Show the Stopwatch
	dcfsnz	WREG,F
	bra		customview_init_marker			; 2: Show the Marker-Menu
	dcfsnz	WREG,F
	bra		customview_init_clock			; 3: Show the clock
	dcfsnz	WREG,F
	bra		customview_init_lead_tissue		; 4: Show the leading tissue
	dcfsnz	WREG,F
	bra		customview_init_average			; 5: Show Total average depth
	dcfsnz	WREG,F
	bra		customview_init_graphs		    ; 6: Show the graphs
	dcfsnz	WREG,F
	bra		customview_init_ead_end		    ; 7: Show END and EAD in divemode
	dcfsnz	WREG,F
	bra		customview_init_@5              ; 8: Show TTS for extra time.
	dcfsnz	WREG,F
	bra		customview_init_cave_bailout    ; 9: Show Cave consomation prediction.
	dcfsnz	WREG,F
	bra		customview_init_pSCR_ppo2	    ; 10: Show ppO2 for pSCR users
    dcfsnz	WREG,F
	bra		customview_init_show_change_gf  ; 11: Show and/or change GF values
    dcfsnz	WREG,F
	bra		customview_init_show_deco_gas   ; 12: Show deco gas
    dcfsnz	WREG,F
	bra		customview_init_show_ceiling    ; 13: Show ceiling


customview_init_nocustomview:
	bra		customview_toggle_exit	

customview_init_average:
	call	DISP_total_average_show		; Show Average with mask
	bra		customview_toggle_exit	

customview_init_stopwatch:
	GETCUSTOM8	d'51'					; Show Stopwatch? (=1 in WREG)
	decfsz		WREG,F					; WREG=1?	
	bra			customview_toggle		; No, use next Customview

	btfsc		gauge_mode				; In Gauge mode?
	bra			customview_init_stopwatch_gauge	; Yes

	call	DISP_stopwatch_show			; Init Stopwatch display
	bsf		menu3_active                ; Set Flag
	bra		customview_toggle_exit	

customview_init_stopwatch_gauge:
	call	DISP_stopwatch_show_gauge	; Init Stopwatch display
	bsf		menu3_active                ; Set Flag
	bra		customview_toggle_exit	

customview_init_marker:					; Init Marker
	btfsc		gauge_mode				; In Gauge mode?
	call		DISP_clear_divemode_menu; Yes, clear BIG stopwatch

	GETCUSTOM8	d'50'					; Show Marker? (=1 in WREG)
	decfsz		WREG,F					; WREG=1?	
	bra			customview_toggle		; No, use next Customview

    call        DISP_standard_color
	DISPLAYTEXT d'151'				    ; Set Marker?
	bsf			menu3_active            ; Set Flag

    btfss       event_occured           ; Is an event active?
    bra         customview_toggle_exit  ; No

    movlw       d'6'                    ; Type of Alarm  (Manual Marker)
	cpfseq      AlarmType               ; Marker recently set?
    bra         customview_toggle_exit  ; No

    call        DISP_marker_set         ; Show some feedback
	bra		    customview_toggle_exit	

customview_init_clock:					; Init Clock
	call	    DISP_diveclock
	bra		    customview_toggle_exit	

customview_init_lead_tissue:			; Show leading tissue
	GETCUSTOM8	d'53'					; Show Lead Tissue? (=1 in WREG)
	decfsz		WREG,F					; WREG=1?	
	bra			customview_toggle		; No, use next Customview

	btfsc		no_deco_customviews		; no-deco-mode-flag = 1
	bra			customview_toggle		; Yes, use next Customview!

	call	    DISP_show_leading_tissue
	bra		    customview_toggle_exit	

customview_init_ead_end:
	btfsc		no_deco_customviews		; no-deco-mode-flag = 1
	bra			customview_toggle		; Yes, use next Customview!

	call		DISP_show_end_ead_divemode
	bra		    customview_toggle_exit	

customview_init_@5:
 	GETCUSTOM8	d'58'					; Extra time to simulate
 	iorwf       WREG,F                  ; Null ?
 	bz          customview_toggle       ; Yes: use next Customview !

	btfsc		no_deco_customviews		; no-deco-mode-flag = 1
	bra			customview_toggle		; Yes, use next Customview!

    setf        WREG                    ; WAIT marker: display "---"
    movff       WREG,int_O_extra_ascenttime+0
    movff       WREG,int_O_extra_ascenttime+1
    
    movlw       1
    movwf       apnoe_mins              ; Start compute after next cycle.
    bsf         tts_extra_time
    call        DISP_show_@5            ; Show (wait)

	bra		    customview_toggle_exit	

customview_init_cave_bailout:
 	GETCUSTOM15	d'59'					; Conso level warning set ?
 	movf        lo,W
 	iorwf       hi,W
 	bz          customview_toggle       ; No: jump to next Customview !

	bsf			menu3_active            ; Set Flag
    call        DISP_show_cave_bailout
	bra		    customview_toggle_exit	
    
customview_init_graphs:					; Show tissue graph
 	GETCUSTOM8	d'52'					; Show Tissue Graph? (=1 in WREG)
	decfsz		WREG,F					; WREG=1?	
	bra			customview_toggle		; No, use next Customview

	btfsc		no_deco_customviews		; no-deco-mode-flag = 1
	bra			customview_toggle		; Yes, use next Customview!

    movlw       .1                      ; Draw next second.
    movwf       apnoe_mins              ; 10sec counter.   

	call	    deco_calc_desaturation_time	; calculate desaturation time
	movlb	    b'00000001'             ; select ram bank 1
	call	    DISP_tissue_saturation_graph

	bra         customview_toggle_exit

customview_init_pSCR_ppo2:
 	GETCUSTOM8	d'61'					; Show pSCR ppO2?
	decfsz		WREG,F					; WREG=1?	
	bra			customview_toggle		; No, use next Customview

	btfsc		no_deco_customviews		; no-deco-mode-flag = 1
	bra			customview_toggle		; Yes, use next Customview!

    call        DISP_show_pSCR_ppO2		; Yes, compute and show value
	
	bra         customview_toggle_exit

customview_init_show_change_gf:
 	GETCUSTOM8	d'69'					; Allow GF change?
	decfsz		WREG,F					; WREG=1?
	bra			customview_toggle		; No, use next Customview

	btfsc		no_deco_customviews		; no-deco-mode-flag = 1
	bra			customview_toggle		; Yes, use next Customview!

	movff       char_I_deco_model,lo
	decfsz      lo,F                    ; jump over next line if char_I_deco_model == 1
    bra         customview_toggle_exit

	bsf			menu3_active            ; Set Flag
    call        DISP_show_gf_customview ; Show info
    bra         customview_toggle_exit

customview_init_show_deco_gas:
    bra			customview_toggle		; mH: Ignore now

    btfsc		no_deco_customviews		; no-deco-mode-flag = 1
	bra			customview_toggle		; Yes, use next Customview!
    btfsc       FLAG_const_ppO2_mode    ; in ppO2 mode
    bra         surfcustomview_toggle	; Yes, use next Customview!

    call        DISP_show_deco_gas      ; Show the next decogas

    bra         customview_toggle_exit

customview_init_show_ceiling:
    btfsc		no_deco_customviews		; no-deco-mode-flag = 1
	bra			customview_toggle		; Yes, use next Customview!
    call        DISP_show_ceiling       ; Update the ceiling
    bra         customview_toggle_exit

customview_toggle_exit:
	bcf		toggle_customview			; Clear flag
	ostc_debug	'Y'		                ; Sends debug-information to screen in debugmode
	return

;=============================================================================
; Yes, show next customview (and delete this flag)

surfcustomview_toggle:
	incf	menupos3,F			; Number of customview to show
surfcustomview_toggle2:
	movlw	d'6'				; Max number
	cpfsgt	menupos3			; Max reached?
	bra		surfcustomview_mask	; No, show
	clrf	menupos3			; Reset to zero (Zero=no custom view)
surfcustomview_mask:	
	call	DISP_clear_customview_surfmode
	movff	menupos3,WREG       ; Menupos3 holds number of customview function
	dcfsnz	WREG,F
	bra		surfcustomview_init_graphs			; Show the tissue graphs
	dcfsnz	WREG,F
	bra		surfcustomview_init_gaslist			; Show pre-dive gaslist/setpoint list
	dcfsnz	WREG,F
	bra		surfcustomview_init_interval        ; Show the interval counter
	dcfsnz	WREG,F
	bra		surfcustomview_init_cfview			; Show important CF settings
	dcfsnz	WREG,F
	bra		surfcustomview_init_first_bail		; Show the first bailout gas
	dcfsnz	WREG,F
	bra		surfcustomview_init_bailoutlist		; Show the bailout list

surfcustomview_init_nocustomview:
	bra		surfcustomview_toggle_exit	

surfcustomview_init_first_bail:     		; Show the first bailout gas
    btfss   FLAG_const_ppO2_mode            ; in ppO2 mode
    bra		surfcustomview_toggle			; No, use next Customview!
    call	DISP_bailoutgas                 ; Show the first bailout gas
	bra		surfcustomview_toggle_exit

surfcustomview_init_bailoutlist:            ; Show the bailout list
    btfss   FLAG_const_ppO2_mode            ; in ppO2 mode
    bra		surfcustomview_toggle			; No, use next Customview!
    call	DISP_bailoutlist                ; Show the Bailout list
	bra		surfcustomview_toggle_exit

surfcustomview_init_graphs:
	btfsc	no_deco_customviews				; no-deco-mode-flag = 1
	bra		surfcustomview_toggle			; Yes, use next Customview!

	call	DISP_tissue_saturation_graph; Draw the graphs
	bra		surfcustomview_toggle_exit	

surfcustomview_init_gaslist:
	btfsc	no_deco_customviews				; no-deco-mode-flag = 1
	bra		surfcustomview_toggle			; Yes, use next Customview!

	call	DISP_pre_dive_screen				; Show the Gaslist/Setpoint list
	bra		surfcustomview_toggle_exit	

surfcustomview_init_interval:
	call    DISP_standard_color
	DISPLAYTEXT	d'189'							; Surface
	DISPLAYTEXT	d'240'							; Interval:
	call	DISP_interval						; Display the interval
	bra		surfcustomview_toggle_exit	

surfcustomview_init_cfview:
	read_int_eeprom		d'34'					; Get Decomode
	incf	EEDATA,W							; +1 -> WREG
	movwf	temp10
	dcfsnz	temp10,F
	call	DISP_show_cf11_cf12_cf29			; =0 (ZH-L16 OC)
	dcfsnz	temp10,F
	bra		surfcustomview_toggle_exit			; =1 (Gauge)
	dcfsnz	temp10,F
	call	DISP_show_cf11_cf12_cf29			; =2 (ZH-L16 CC)
	dcfsnz	temp10,F
	bra		surfcustomview_toggle_exit			; =3 (Apnoe)
	dcfsnz	temp10,F
	call	DISP_show_cf32_cf33_cf29			; =4 (L16-GF OC)
	dcfsnz	temp10,F
	call	DISP_show_cf32_cf33_cf29			; =5 (L16-GF CC)
	dcfsnz	temp10,F
	call	DISP_show_cf32_cf33_cf62_cf63		; =6 (pSCR-GF)

	bra		surfcustomview_toggle_exit	

surfcustomview_toggle_exit:
	bcf		toggle_customview			; Clear flag
	clrf	timeout_counter2			; Clear timeout
	return

;=============================================================================
; Do every-second tasks for the custom view area

surfcustomview_second:
;	movff	menupos3,WREG               ; copy
;	dcfsnz	WREG,F
;	bra		surfcustomview_1sec_graphs		; Update the Graphs
;	dcfsnz	WREG,F
;	bra		surfcustomview_1sec_gaslist		; Update the Gaslist/SetPoint List
;	dcfsnz	WREG,F
;	bra		surfcustomview_1sec_interval	; Update the Interval display
;	dcfsnz	WREG,F
;	bra		surfcustomview_1sec_cfview		; Update the critical cf view
;	; Menupos3=0, do nothing
;	return
;surfcustomview_1sec_cfview:				; Do nothing extra
;surfcustomview_1sec_graphs:				; Do nothing extra
;surfcustomview_1sec_gaslist:				; Do nothing extra
;surfcustomview_1sec_interval:				; Do nothing extra
	return

;=============================================================================

surfcustomview_minute:		; Do every-minute tasks for the custom view area
	movff	menupos3,WREG               ; copy
	dcfsnz	WREG,F
	bra		surfcustomview_minute_graphs		; Update the Graphs
	dcfsnz	WREG,F
	bra		surfcustomview_minute_gaslist		; Update the Gaslist/SetPoint List
	dcfsnz	WREG,F
	bra		surfcustomview_minute_interval		; Update the Interval display
	dcfsnz	WREG,F
	bra		surfcustomview_minute_cfview		; Update the critical cf view
	; Menupos3=0, do nothing
	return

surfcustomview_minute_graphs:
	call	deco_calc_desaturation_time         ; calculate desaturation time
	movlb	b'00000001'                         ; select ram bank 1
	call	DISP_tissue_saturation_graph        ; Draw/Update the graphs
	return

surfcustomview_minute_interval:
	DISPLAYTEXT	d'189'							; Surface
	DISPLAYTEXT	d'240'							; Interval:
	call	DISP_interval						; Display the interval	
	return

surfcustomview_minute_gaslist:					; Do nothing extra
surfcustomview_minute_cfview:					; Do nothing extra
	return