changeset 629:237931377539

3.07 stable release
author heinrichsweikamp
date Fri, 29 Nov 2019 18:48:11 +0100 (2019-11-29)
parents cd58f7fc86db
children 4cd81bdbf15c
files src/adc_lightsensor.asm src/compass_ops.asm src/configuration.inc src/eeprom_rs232.asm src/eeprom_rs232.inc src/ghostwriter.asm src/hwos.asm src/hwos.inc src/isr.asm src/logbook.asm src/mcp.asm src/mcp.inc src/menu_tree.asm src/p2_deco.c src/sleepmode.asm src/start.asm src/surfmode.asm src/tft_outputs.asm
diffstat 18 files changed, 188 insertions(+), 192 deletions(-) [+]
line wrap: on
line diff
--- a/src/adc_lightsensor.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/adc_lightsensor.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File adc_lightsensor.asm                  combined next generation V3.03.5
+;   File adc_lightsensor.asm                  combined next generation V3.06.1
 ;
 ;
 ;   Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved.
@@ -241,8 +241,7 @@
 
 get_ambient_level1:							; using ambient sensor
 	banksel	isr_backup						; back to ISR default bank
-	movlw	b'00000000'						; Vref+ = Vdd
-	movwf	ADCON1
+	clrf	ADCON1							; Vref+ = Vdd
 	movlw	b'00011101'						; power on ADC, select AN7
 	rcall	wait_adc
 	MOVII	ADRESL,ambient_light
@@ -486,7 +485,7 @@
 	banksel	HW_variants						; switch to bank where OSTC model variant is stored
 	btfsc	analog_switches					; does the OSTC have analog switches?
 	bra		get_analog_switches_1			; YES
-get_analog_switches0:	
+get_analog_switches0:
 	banksel	common							; NO  - back to bank common
 	bcf		analog_sw1_pressed				;     - clear flag for analog switch 1
 	bcf		analog_sw2_pressed				;     - clear flag for analog switch 2
@@ -502,9 +501,7 @@
 
 get_analog_switches_2:
 	bsf	adc_is_running
-	movlw	b'00001010'						; left justified
-	movwf	ADCON2
-;	movlw	b'00000000'						; Vref+ = Vdd
+	bcf	ADCON2,ADFM						; left justified
 	clrf	ADCON1
 	movlw	b'00100101'						; power on ADC, select AN9
 	rcall	wait_adc
@@ -614,8 +611,7 @@
 	bsf		analog_sw1_pressed				; set right button as pressed
 
 get_analog_switches_4:
-	movlw	b'10001010'						; restore to right justified
-	movwf	ADCON2
+	bsf	ADCON2,ADFM						; restore to right justified
 	bcf	adc_is_running
 	banksel	common							; back to bank common
 	btfsc	analog_sw1_pressed				; right button pressed?
--- a/src/compass_ops.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/compass_ops.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File compass_ops.asm                      combined next generation V3.03.5
+;   File compass_ops.asm                      combined next generation V3.06.1
 ;
 ;   Compass Operations
 ;
@@ -379,7 +379,6 @@
 
 ;-----------------------------------------------------------------------------
 
-	global	TFT_compass_fast
 TFT_compass_fast:
 	WIN_TINY .0,.50
 	STRCPY	"Cx:"
--- a/src/configuration.inc	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/configuration.inc	Fri Nov 29 18:48:11 2019 +0100
@@ -1,7 +1,7 @@
 #ifdef xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 ; ============================================================================
 ; 
-;    File configuration.inc                   combined next generation V3.04.3
+;    File configuration.inc                   combined next generation V3.06.2
 ; 
 ;    OSTC hwOS Configuration
 ; 
@@ -24,7 +24,7 @@
 #endif
 
 #define softwareversion_x		0x03
-#define softwareversion_y		0x05
+#define softwareversion_y		0x07
 #define softwareversion_beta	0x00
 
 
@@ -76,8 +76,8 @@
 ; 
 #endif
 
-#define _language_1		en
-#define _language_2		de
+#define _language_1		fr
+#define _language_2		it
 
 
 #ifdef xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
--- a/src/eeprom_rs232.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/eeprom_rs232.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File eeprom_rs232.asm                     combined next generation V3.04.3
+;   File eeprom_rs232.asm                     combined next generation V3.06.2
 ;
 ;   Internal EEPROM, RS232
 ;
@@ -100,18 +100,17 @@
 
 ;=============================================================================
 
- IFDEF _external_sensor
-
 	global	disable_ir_s8
 disable_ir_s8:
 	banksel	TXSTA2						; select bank for IO register access
 	clrf	TXSTA2
 	clrf	RCSTA2
 	banksel	common						; back to bank common
-	bcf	ir_power					; IR off
-	bcf	mcp_power					; power-down instrumentation amp
-	bsf	s8_npower					; power-down S8 digital interface
-	bcf	s8_digital_avail				; digital S8 interface not available
+	bcf		PIE3,RC2IE					; disable RC2 INT
+	bcf		ir_power					; IR off
+	bcf		mcp_power					; power-down instrumentation amp
+	bsf		s8_npower					; power-down S8 digital interface
+	bcf		s8_digital_avail			; digital S8 interface not available
 	return
 
 
@@ -133,12 +132,13 @@
 	movwf	RCSTA2
 	banksel	common						;     - back to bank common
 	bsf		ir_power					;     - power-up IR
-	btfss	ir_power
-	bra		$-6
-	return
+	btfss	ir_power					;     - power-up confirmed?
+	bra		$-6							;       NO - loop and wait
+	bsf		PIE3,RC2IE					;     - enable RC2 INT
+	return								;     - done
 
 enable_s8:
-    	banksel	TXSTA2						; select bank for IO register access
+	banksel	TXSTA2						; select bank for IO register access
 	clrf	TXSTA2
 	clrf	RCSTA2
 	banksel	common						; back to bank common
@@ -179,8 +179,6 @@
 	bsf		s8_digital_avail			; digital S8 interface available
 	return
 
- ENDIF	; _external_sensor
-
 ;=============================================================================
 
 	global	enable_rs232
@@ -332,7 +330,7 @@
 	; Store last time/date
 	; Store 0x700 to 0x780 (pres_tissue_N2 and pres_tissue_He)
 	movlw	HIGH .512						; =2
-	movwf	EEADRH
+	movwf	EEADRH							; set EEPROM address, high byte
 
 	; indicate valid data in vault
 	movlw	0xAA
@@ -364,7 +362,7 @@
 	movff	int_O_desaturation_time+1,EEDATA; get desaturation time, high byte
 	write_int_eeprom .10					; store value
 
-	SMOVII	surface_interval,mpr			; ISR-safe copy of surface interval
+	SMOVII	surface_interval_mins,mpr		; ISR-safe copy of surface interval
 	movff	mpr+0,EEDATA					; get surface interval, low  byte
 	write_int_eeprom .11					; store value
 	movff	mpr+1,EEDATA					; get surface interval, high byte
@@ -397,9 +395,9 @@
 	global	restore_decodata_from_eeprom
 restore_decodata_from_eeprom:
 	movlw	LOW  .512						; =0
-	movwf	EEADR
+	movwf	EEADR							; set EEPROM address, low  byte
 	movlw	HIGH .512						; =2
-	movwf	EEADRH
+	movwf	EEADRH							; set EEPROM address, high byte
 
 	; restore date and time
 	read_int_eeprom .1
@@ -430,7 +428,7 @@
 	movff	EEDATA,mpr+0					; cache value in mpr
 	read_int_eeprom .12						; read surface interval, high byte
 	movff	EEDATA,mpr+1					; cache value in mpr
-	SMOVII	mpr,surface_interval			; ISR-safe copy-back of surface interval
+	SMOVII	mpr,surface_interval_mins		; ISR-safe copy-back of surface interval
 
 	read_int_eeprom .13						; read leading tissue's supersaturation
 	movff	EEDATA,int_O_lead_supersat+0	; restore value
@@ -452,8 +450,8 @@
 	incf	EEADR,F
 	decfsz	lo,F							; all done?
 	bra		restore_decodata_from_eeprom2	; NO  - loop
-	clrf	EEADRH							; YES
-	return
+	clrf	EEADRH							; YES - revert EEPROM high address pointer to default
+	return									;     - done
 
 ;=============================================================================
 
--- a/src/eeprom_rs232.inc	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/eeprom_rs232.inc	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File eeprom_rs232.inc                     combined next generation V3.03.1
+;   File eeprom_rs232.inc                     combined next generation V3.06.1
 ;
 ;
 ;   Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved.
@@ -26,19 +26,20 @@
 	extern	rs232_wait_tx
 	extern	rs232_wait_tx2
 
- IFDEF _external_sensor
 	extern	enable_ir_s8
 	extern	disable_ir_s8
- ENDIF
 
 	extern	write_int_eeprom_1
 	extern	read_int_eeprom_1
 	extern	read_eeprom
 	extern	write_eeprom
+
 	extern	update_battery_registers
 	extern	retrieve_battery_registers
+
 	extern	vault_decodata_into_eeprom
 	extern	restore_decodata_from_eeprom
+
 	extern	do_logoffset_common_write
 	extern	do_logoffset_common_read
 	extern	eeprom_reset_logbook_pointers
--- a/src/ghostwriter.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/ghostwriter.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File ghostwriter.asm                      combined next generation V3.03.7
+;   File ghostwriter.asm                      combined next generation V3.06.2
 ;
 ;   Ghostwriter (Log profile recorder)
 ;
@@ -1095,13 +1095,6 @@
 	call	do_logoffset_common_write		; write incremented offset as the new offset
 
 change_logbook_offset2:
-	clrf	mpr+0							; prepare a 4 byte null value to clear the last dive time
-	clrf	mpr+1							; ...
-	clrf	mpr+2							; ...
-	clrf	mpr+3							; ...
-	SMOVFF	mpr,lastdive_time				; ISR-safe 4 byte copy of null value to last dive time counter
-
-
 	; ISR-safe 3 byte copy of minutes:2 and seconds to last dive duration
 	SMOVTT	counted_divetime_mins,lastdive_duration
 
--- a/src/hwos.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/hwos.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File hwos.asm                             combined next generation V3.03.7
+;   File hwos.asm                             combined next generation V3.06.1
 ;
 ;   Definition of the hwOS dive computer platform.
 ;
@@ -293,7 +293,7 @@
 ; Timer 3 for IR-RX Timeout
  IFDEF _external_sensor
 	clrf	T3GCON				; reset Timer3 gate control register
-	movlw	b'10001001'			; synced, 1:1 prescaler -> 2 seconds till overrun @ 32768 Hz,
+	movlw	b'10001101'			; not synced, 1:1 prescaler -> 2 seconds till overrun @ 32768 Hz,
 								;                          incrementing by 1 bit each 30.51757813 µs
 	movwf	T3CON
  ENDIF
@@ -336,7 +336,7 @@
 
 ; Timer 5 for ISR-independent wait routines
 	clrf	T5GCON				; reset Timer5 gate control register
-	movlw	b'10001011'			; synced, 16 bit mode, 1:1 prescaler -> 2 seconds till overrun @ 32768 Hz,
+	movlw	b'10001111'			; not synced, 16 bit mode, 1:1 prescaler -> 2 seconds till overrun @ 32768 Hz,
 	movwf	T5CON				;                                       incrementing by 1 bit each 30.51757813 µs
 
 
@@ -344,7 +344,7 @@
 
 ; Timer 7 for 62.5 ms Interrupt (sensor states)
 	clrf	T7GCON				; reset Timer7 gate control register
-	movlw	b'10001001'			; 1:1 prescaler -> 2 seconds @ 32768 Hz, synced
+	movlw	b'10001101'			; 1:1 prescaler -> 2 seconds @ 32768 Hz, not synced
 	movwf	T7CON
 	clrf	TMR7L
 	movlw	.248
@@ -387,7 +387,7 @@
 	movwf	PIE2
 	movlw	b'00000000'			; Bit1: TMR5
 	movwf	PIE5
-	movlw	b'00100001'			; Bit0: RTCC, Bit5: UART2
+	movlw	b'00000001'			; Bit0: RTCC, Bit5: UART2 (Default OFF)
 	movwf	PIE3
 	movlw	b'00001000'			; Bit3: TMR7
 	movwf	PIE5
--- a/src/hwos.inc	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/hwos.inc	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File hwos.inc                             combined next generation V3.04.3
+;   File hwos.inc                             combined next generation V3.06.2
 ;
 ;   OSTC Platform Definitions
 ;
@@ -906,8 +906,8 @@
 
 ;---- other Timers
 uptime							res 4		; [sec] uptime of the OSTC since last cold start
-lastdive_time					res 4		; [sec] time since last dive
-surface_interval				res 2		; [min] surface interval
+surface_interval_secs			res 4		; [sec] surface interval counted in seconds
+surface_interval_mins			res 2		; [min] surface interval counted in minutes
 simulator_time					res 1		; [min] real runtime of the simulator
 
 ;---- Data for Pressure and Temperature Calculation (MS5541)
--- a/src/isr.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/isr.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File isr.asm                              combined next generation V3.03.7
+;   File isr.asm                              combined next generation V3.06.2
 ;
 ;   INTERUPT subroutines
 ;
@@ -39,7 +39,8 @@
 HighInt:
 	; initialize interrupt code
 	banksel	isr_backup					; default bank for all ISR code is bank ISR data
-	rcall	isr_registers_backup		; back-up registers
+	movff	PRODL,PROD_backup+0			; back-up PRODL
+	movff	PRODH,PROD_backup+1			; back-up PRODH
 	; serve buttons
 	btfsc	PIR1,TMR1IF					; timer 1 interrupt (button hold-down timer)?
 	rcall	timer1int					; YES - reset timer
@@ -54,9 +55,12 @@
 	rcall	isr_uart2					; YES - get a byte from the IR/S8 link
 	btfsc	PIR2,TMR3IF					; timer 3 interrupt?
 	rcall	isr_timer3					; YES - check bytes received from IR/S8 link for being a valid telegram
- ELSE	
-    	bcf	PIR3,RC2IF					; Clear UART 2 interrupt?
-	bcf	PIR2,TMR3IF					; Clear timer 3 interrupt?
+ ELSE
+	bcf		PIR3,RC2IF					; clear UART 2  interrupt
+	bcf		PIR2,TMR3IF					; clear timer 3 interrupt
+	; fill-up to keep code size identical to _external_sensor variant, see "Attention" below
+	nop
+	nop
  ENDIF
 
 	; serve pressure and temperature sensor
@@ -68,7 +72,8 @@
 	rcall	isr_rtcc					; YES - do every 1/2 s tasks: read RTC, trigger timed tasks, adjust CPU speed, gauge battery, etc.
 
 	; clean up and exit
-	rcall	isr_registers_restore		; restore registers
+	movff	PROD_backup+0,PRODL			; restore PRODL
+	movff	PROD_backup+1,PRODH			; restore PRODH
 	bsf		trigger_isr_updates			; signal that the ISR had kicked in
 	retfie	FAST						; return from interrupt restoring BSR, STATUS and WREG
 
@@ -86,21 +91,17 @@
 	;bra	isr_set_speed_to_normal		;       NO  - default to normal speed
 
 isr_set_speed_to_normal:
-	movlw	b'00000000'					; coding for x4 PLL disabled
-	movwf	OSCTUNE						; switch off x4 PLL
+	clrf	OSCTUNE						; switch off x4 PLL
 	movlw	b'01110010'					; select 16 MHz
 	movwf	OSCCON						; set prescaler
 	movlw	T2CON_NORMAL				; PWM1 dimming factor for speed 'normal'
-	movwf	T2CON						; adjust PWM1 for LED dimming
 	bra		isr_adjust_speed_exit
 
 isr_set_speed_to_eco:
-	movlw	b'00000000'					; coding for x4 PLL disabled
-	movwf	OSCTUNE						; switch off x4 PLL
+	clrf	OSCTUNE						; switch off x4 PLL
 	movlw	b'00110010'					; select 1 MHz
 	movwf	OSCCON						; set prescaler
 	movlw	T2CON_ECO					; PWM1 dimming factor for speed 'eco'
-	movwf	T2CON						; adjust PWM1 for LED dimming
 	bra		isr_adjust_speed_exit
 
 isr_set_speed_to_fastest:
@@ -108,20 +109,19 @@
 	btfsc	lv_core						; on OSTC with low voltage core?
 	movlw	b'01100010'					; YES - reduce to 8 MHz
 	movwf	OSCCON						; set prescaler
-	movlw	b'01000000'					; coding for x4 PLL enable
-	movwf	OSCTUNE						; switch on  x4 PLL -> 64 MHz on high voltage core, 32 MHz on low voltage core
+	bsf		OSCTUNE,6					; switch on  x4 PLL -> 64 MHz on high voltage core, 32 MHz on low voltage core
 	movlw	T2CON_FASTEST				; PWM1 dimming factor for speed 'fastest'
-	movwf	T2CON						; adjust PWM1 for LED dimming
 	;bra	isr_adjust_speed_exit
 
 isr_adjust_speed_exit:
+	movwf	T2CON						; adjust PWM1 for LED dimming
 	btfss	OSCCON,HFIOFS				; PLL stabilized?
 	bra		isr_adjust_speed_exit		; NO  - loop to give it some more time
 	return								; YES - done
 
 	; Attention: fill-up the gap between the end of this section
 	;            and the next section which starts at 0x00080 !!
-	nop
+	;nop
 
 block_0_code_end:						; marker to find end of code in block 0 in linker report file
 
@@ -132,19 +132,6 @@
 restore_flash_0x00080:
 	goto	restore_flash
 
-
-;=============================================================================
-; back-up and restore registers
-;
-isr_registers_backup:
-	MOVII	PRODL,PROD_backup			; back-up PRODH:PRODL
-	return
-
-isr_registers_restore:
-	MOVII	PROD_backup,PRODL			; restore PRODH:PRODL
-	return
-
-
 ;=============================================================================
 ; routines for handling digital-attached external sensors
 ;
@@ -404,8 +391,9 @@
 	rrcf	pressure_abs_avg+1					; divide by 2, again
 	rrcf	pressure_abs_avg+0
 
-	; copy into result register
+	; copy into result register and set update flag
 	MOVII	pressure_abs_avg,pressure_abs
+;	bsf		trigger_pres_update					; signal a pressure update
 
 ; build average for temperature
 	bcf		STATUS,C							; clear carry bit by default
@@ -434,9 +422,8 @@
 	bsf		trigger_temp_changed				; set flag for temperature change
 
 isr_sensor_state2_3:
-	; reset state counter and set update flag
+	; reset state counter
 	clrf	sensor_state_counter				; reset state counter
-;	bsf		trigger_pres_update					; signal a pressure update
 	btfss	reset_max_pressure					; shall clear the max pressure?
 	bra		isr_sensor_state2_3a				; NO  - continue with checking for pressure change
 	bcf		reset_max_pressure					; YES - clear request flag
@@ -605,7 +592,7 @@
 	movwf	rtc_year
 
 isr_rtcc_2:
-	; get ambient light level and set max_CCPR1L
+	; every full second - get ambient light level and set max_CCPR1L
 	call	get_ambient_level			; get ambient light level and set max_CCPR1L
 	banksel	isr_backup					; back to ISR default bank (for safety only)
 
@@ -616,9 +603,14 @@
 	btfsc	divemode					; in dive mode?
 	rcall	isr_divemode_1sec			; YES - do the every second dive mode tasks
 
+	; increment surface interval counted in seconds
 	btfsc	divemode					; in dive mode?
 	btfsc	simulatormode				; YES - in simulator mode?
-	rcall	isr_update_lastdive_time	; NO  - YES - increment the last dive time
+	rcall	inc_surface_interval_secs	; NO  - YES - increment the surface interval (seconds timer)
+
+	; reset the surface interval timers if requested
+	btfsc	reset_surface_interval		; shall reset both surface interval timers?
+	call	clr_surface_interval		; YES
 
 	; reset the timebase if requested
 	btfss	reset_timebase				; shall reset the timebase?
@@ -646,28 +638,29 @@
 	return								; NO  - done
 
 	; new full minute
-	clrf	timebase_secs				; YES - reset timer
-	bsf		trigger_full_minute			;     - set flag for a new minute has begun
+	clrf	timebase_secs				; reset timer
+	bsf		trigger_full_minute			; set flag for a new minute has begun
 
-	btfsc	divemode					;     - in dive mode?
-	btfsc	simulatormode				;       YES - in simulator mode?
-	rcall	inc_surface_interval		;       NO  - YES - increment surface interval
+	; increment surface interval counted in minutes
+	btfsc	divemode					; in dive mode?
+	btfsc	simulatormode				; YES - in simulator mode?
+	rcall	inc_surface_interval_mins	; NO  - YES - increment surface interval (minutes timer)
 
-	btfss	simulatormode				;     - in simulator mode?
-	bra		isr_rtcc_4					;       NO
-	infsnz	simulator_time,F			;       YES - increment real runtime of the simulator, did wrap around (became zero)?
-	setf	simulator_time				;             YES - disallow wrap-around, keep at 255 instead
+	btfss	simulatormode				; in simulator mode?
+	bra		isr_rtcc_4					; NO
+	infsnz	simulator_time,F			; YES - increment real runtime of the simulator, did wrap around (became zero)?
+	setf	simulator_time				;       YES - disallow wrap-around, keep at 255 instead
 
 isr_rtcc_4:
-	incf	timebase_mins,F				;     - increment minutes timer
-	movlw	.59							;     - max. for minutes timer
-	cpfsgt	timebase_mins				;     - minutes timer > max.?
-	return								;       NO  - done
+	incf	timebase_mins,F				; increment minutes timer
+	movlw	.59							; max. for minutes timer
+	cpfsgt	timebase_mins				; minutes timer > max.?
+	return								; NO  - done
 
 	; new full hour
-	clrf	timebase_mins				;       YES - reset timer
-	bsf		trigger_full_hour			;           - set flag for a new hour has begun
-	return								;           - done
+	clrf	timebase_mins				; YES - reset timer
+	bsf		trigger_full_hour			;     - set flag for a new hour has begun
+	return								;     - done
 
 
 	; increment overall OSTC uptime
@@ -679,14 +672,6 @@
 	addwfc	uptime+3,F
 	return
 
-	; increment time since last dive, called every second when not in dive mode (or when in simulator mode)
-isr_update_lastdive_time:
-	incf	lastdive_time+0,F
-	clrf	WREG
-	addwfc	lastdive_time+1,F
-	addwfc	lastdive_time+2,F
-	addwfc	lastdive_time+3,F
-	return
 
 	; process the timeout timer
 isr_update_timeout:
@@ -786,15 +771,15 @@
 isr_divemode_1sec_2:
 	INCI	total_divetime_secs			; increase total dive time       (regardless of start_dive_threshold)
 	btfss	count_divetime				; shall the dive time be counted (regarding     start_dive_threshold)?
-	bra		isr_divemode_1sec_4			; NO (too shallow / apnoe at surface)
+	bra		isr_divemode_1sec_4			; NO  - too shallow / apnoe at surface
 	incf	counted_divetime_secs,F		; YES - increase dive time (displayed dive time)
 	movlw	d'59'						;     - 60 seconds make a minute
 	cpfsgt	counted_divetime_secs		;     - next full minute reached?
-	bra		isr_divemode_1sec_3			;       NO  - done
+	bra		isr_divemode_1sec_3			;       NO  - continue
 	clrf	counted_divetime_secs		;       YES - reset seconds to 0
 	INCI	counted_divetime_mins		;           - increase dive minutes
 	bsf		divetime_longer_1min		;           - set flag for dive time exceeding 1 minute
-	;bra	isr_divemode_1sec_3			;           - done
+	;bra	isr_divemode_1sec_3			;           - continue
 
 isr_divemode_1sec_3:					; submerged
 	btfss	FLAG_apnoe_mode				; in apnoe mode?
@@ -831,13 +816,6 @@
 	return								;           - done
 
 
-
-
-
-
-isr_divemode_1sec_3_dive:
-
-
 ;=============================================================================
 ; BCD to Binary conversion
 ; Input   WREG = value in BCD
@@ -932,29 +910,46 @@
 
 
 ;=============================================================================
-; Increment surface interval (counted in minutes) while still in desaturation
+; Increment surface interval (counted in minutes and in seconds)
 ;
 ; int_O_desaturation_time is only computed while in start, surface mode,
-; menue_tree or ghostwriter. So the ISR may clock surface_interval past
-; the actual surface interval time. But TFT_surface_lastdive will check
-; int_O_desaturation_time and in case int_O_desaturation_time is zero it
-; will not show surface_interval but lastdive_time instead. Thus the glitch
-; will remain invisible.
+; menue_tree or ghostwriter. So the ISR may clock surface_interval_mins
+; past the actual surface interval time. But TFT_surface_lastdive will
+; check int_O_desaturation_time and in case int_O_desaturation_time is
+; zero it will not show surface_interval_mins but surface_interval_secs instead.
+; Thus the glitch will remain invisible.
 ;
-inc_surface_interval:							; called every minute when not in dive mode (in banksel common context)
-	btfsc	reset_surface_interval				; shall reset the surface interval timer?
-	bra		inc_surface_interval_1				; YES
-	movff	int_O_desaturation_time+0,isr_lo	; NO - check desaturation time
-	movff	int_O_desaturation_time+1,WREG
-	iorwf	isr_lo,W							;    - inclusive-or low & high byte, desaturation time = 0 ?
-	bz		inc_surface_interval_1				;      YES - reset surface interval timer
-	INCI	surface_interval					;      NO  - increment surface interval
-	return										;          - done
-inc_surface_interval_1:
-	bcf		reset_surface_interval				; reset request flag
-	CLRI	surface_interval					; reset surface interval timer
+
+inc_surface_interval_secs:						; called every second when not in dive mode
+	incf	surface_interval_secs+0,F			; increment the lowest byte
+	clrf	WREG								; clear WREG
+	addwfc	surface_interval_secs+1,F			; add carry from byte before, if it did wrap-around
+	addwfc	surface_interval_secs+2,F			; add carry from byte before, if it did wrap-around
+	addwfc	surface_interval_secs+3,F			; add carry from byte before, if it did wrap-around
 	return										; done
 
+inc_surface_interval_mins:						; called every minute when not in dive mode
+	movff	int_O_desaturation_time+0,isr_lo	; get desaturation time, low  byte
+	movff	int_O_desaturation_time+1,WREG		; get desaturation time, high byte
+	iorwf	isr_lo,W							; inclusive-or low & high byte, desaturation time = 0 ?
+	bz		clr_surface_interval_mins			; YES - reset surface interval minutes counter
+	INCI	surface_interval_mins				; NO  - increment surface interval
+	return										;     - done
+
+clr_surface_interval:
+	bcf		reset_surface_interval					; reset request flag
+	; clear the surface interval counted in seconds
+	clrf	surface_interval_secs+0					; reset surface interval (seconds), lowest  byte
+	clrf	surface_interval_secs+1					; ...
+	clrf	surface_interval_secs+2					; ...
+	clrf	surface_interval_secs+3					; reset surface interval (seconds), highest byte
+clr_surface_interval_mins:
+	; clear the surface interval counted in minutes
+	movff	opt_diveTimeout,surface_interval_mins+0	; set   surface interval (minutes), low  byte, to dive timeout offset
+	clrf	surface_interval_mins+1					; reset surface interval (minutes), high byte
+
+	return											; done
+
 ;=============================================================================
 
 	END
--- a/src/logbook.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/logbook.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File logbook.asm                          combined next generation V3.03.5
+;   File logbook.asm                          combined next generation V3.06.1
 ;
 ;   Logbook
 ;
@@ -51,8 +51,8 @@
 		profile_temp1:2					; temp for profile display
 		profile_temp2:2					; temp for profile display
 		logbook_sample_counter:2		; amount of read samples
-		y_scale:2						; y-scale (The horizontal lines)
-		x_scale:2						; x-scale (The vertical lines)
+		y_scale:2						; y-scale (the horizontal lines)
+		x_scale:2						; x-scale (the vertical lines)
 		logbook_pixel_x_pos				; x2 position of current pixel in X-direction
 		logbook_min_temp_pos			; lowest row in the temp graph
 		logbook_max_temp_pos			; lowest row in the temp graph
@@ -66,7 +66,7 @@
 		vertical_interval:2				; holds interval of samples for vertical 10min line
 		backup_color1					; used for restoring drawing color
 		backup_color2					; used for restoring drawing color
-		backup_divedata					; used to backup depth and salinity
+		salinity						; salinity during the dive
 		fill_between_rows				; used for fill between rows
 		logbook_temp					; used as temp
 		logbook_temp_backup				; used as backup for temp
@@ -761,7 +761,7 @@
 	setf	logbook_cur_tp+0						; initialize Tp°, before the first recorded point
 	setf	logbook_cur_tp+1
 	clrf	logbook_last_tp							; also reset previous Y for Tp°
-	clrf	logbook_ceiling							; Ceiling = 0, correct value for no ceiling
+	clrf	logbook_ceiling							; ceiling = 0, correct value for no ceiling
 	movlw	profile_top+.1
 	movwf	logbook_min_temp_pos					; initialize for displaying the lowest  temperature
 	movlw	profile_top+profile_height_pixels
@@ -836,7 +836,7 @@
 	movf	logbook_cur_tp+0,W						; did we had already a valid Tp°C record?
 	andwf	logbook_cur_tp+1,W
 	incf	WREG
-	bz		profile_display_skip_temp				; NO - just skip drawing.
+	bz		profile_display_skip_temp				; NO - just skip drawing
 
 	movlw	LOW  (((profile_height_pixels-.10)*.256)/.370)	; fixed tp° scale: (-2 .. +35°C * scale256 )/153pix
 	movwf	xB+0
@@ -857,14 +857,14 @@
 	sublw	profile_top+profile_height_pixels-.10	; upside-down: Y = .75 + (.153 - result)
 	movwf	xC+0
 
-	; Check limits
+	; check limits
 	movlw	profile_top+.1
 	movwf	xC+1
 	cpfsgt	xC+0
 	movff	xC+1,xC+0
 
-	movlw	color_orange
-	call	TFT_set_color
+	movlw	color_orange							; select color for temperature curve
+	call	TFT_set_color							; set color
 
 	movf	logbook_last_tp,W						; do we have a valid previous value?
 	bz		profile_display_temp_1					; NO - skip the vertical line
@@ -1026,7 +1026,7 @@
 	cpfslt	win_leftx2								; limit left border to 130
 	movwf	win_leftx2
 	WIN_FONT FT_TINY
-	movlw	color_orange							; use same color as tp° curve
+	movlw	color_yellow							; changed from color_orange to color_yellow for better readability
 	call	TFT_set_color
 
 	MOVII	logbook_min_tp,mpr
@@ -1537,27 +1537,30 @@
 logbook_page2_1:
 
 	; Salinity
-	WIN_SMALL	.5,.140
+	WIN_SMALL .5,.165								; ex WIN_SMALL .5,.140
 	LOG_POINT_TO log_salinity
 	STRCPY_TEXT tDvSalinity
 	bsf		leftbind
 	call	ext_flash_byte_read_plus				; read salinity
 	movff	ext_flash_rw,lo
-	movff	ext_flash_rw,backup_divedata			; backup for average depth display
+	movff	ext_flash_rw,salinity					; store salinity for later use
 	output_8
 	STRCAT_PRINT "%"
 
 	; Average depth
-	WIN_SMALL .5,.165
+	WIN_SMALL .5,.140								; ex WIN_SMALL .5,.165
 	STRCPY_TEXT tAVG
 	LOG_POINT_TO log_avr_depth
 	call	ext_flash_byte_read_plus				; read average low
 	movff	ext_flash_rw,lo
 	call	ext_flash_byte_read_plus				; read average high
 	movff	ext_flash_rw,hi
-	movf	backup_divedata,W						; salinity for this dive
-	call	adjust_depth_with_salinity_log			; compute salinity setting (FROM WREG!) into lo:hi [mbar]
-	output_16dp .3
+	movf	salinity,W								; salinity for this dive
+	call	adjust_depth_with_salinity_log			; compute salinity into lo:hi [mbar]
+	bsf		ignore_digit5							; no cm (flag will be cleared by output_16)
+	movlw	.1										; no 1000 meters
+	movwf	ignore_digits							; ...
+	output_16dp .3									; xxx.y
 	STRCAT_PRINT "m"
 
 	btfss	aux_flag								; dive done in a deco mode?
@@ -1814,15 +1817,23 @@
 	output_99x										; minute
 	STRCAT_PRINT ""									; display 1st row of details
 
+	; Get salinity for this dive
+	LOG_POINT_TO log_salinity
+	call	ext_flash_byte_read_plus				; read  salinity
+	movff	ext_flash_rw,salinity					; store salinity
+
 	; Show max depth and dive time
 	WIN_SMALL .5,.35
 	STRCAT	"Max:"
 	LOG_POINT_TO log_max_depth
-	call	ext_flash_byte_read_plus				; read max depth
+	call	ext_flash_byte_read_plus				; read max depth, low  byte
 	movff	ext_flash_rw,lo
-	call	ext_flash_byte_read_plus				; read max depth
+	call	ext_flash_byte_read_plus				; read max depth, high byte
 	movff	ext_flash_rw,hi
 
+	movf	salinity,W								; salinity for this dive
+	call	adjust_depth_with_salinity_log			; compute salinity setting into lo:hi [mbar]
+
 	TSTOSS	opt_units								; 0=Meters, 1=Feets
 	bra		logbook_page2_depth_metric				; 1 - do metric
 													; 0 - do imperial
--- a/src/mcp.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/mcp.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File mcp.asm                              combined next generation V3.03.1
+;   File mcp.asm                              combined next generation V3.06.1
 ;
 ;   Basic routines for RX circuity
 ;
@@ -17,8 +17,6 @@
 
 ;=============================================================================
 
- IFDEF _external_sensor
-
 	global	mcp_sleep
 mcp_sleep:
 	bcf		INTCON3,INT3IE			; disable INT3
@@ -27,8 +25,6 @@
 	bra		$-6						; NO  - loop waiting
 	return							; YES - done
 
- ENDIF
-
 ;=============================================================================
 
 	END
--- a/src/mcp.inc	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/mcp.inc	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File mcp.inc                              combined next generation V3.03.1
+;   File mcp.inc                              combined next generation V3.06.1
 ;
 ;
 ;   Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved.
@@ -9,7 +9,4 @@
 ;  2012-09-03 : [mH] creation
 
 
- IFDEF _external_sensor
 	extern	mcp_sleep				; power down IR receiver
- ENDIF
-
--- a/src/menu_tree.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/menu_tree.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -546,10 +546,14 @@
  ENDIF
 
 do_settings_menu:
+ IFDEF	_hwos_sport
+	bsf	ble_available				; For very old OSTC sport
+ ENDIF	
+
 	btfsc	ble_available				; BLE available?
 	bra		do_settings_menu_ble		; YES
-
-	MENU_BEGIN	tSystSets, .5
+	
+ 	MENU_BEGIN	tSystSets, .5
 		MENU_CALL		tInfoMenu,					do_info_menu
 		MENU_CALL		tSetTimeDate,				do_date_time_menu
 		MENU_CALL		tDispSets,					do_dispsets_menu
--- a/src/p2_deco.c	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/p2_deco.c	Fri Nov 29 18:48:11 2019 +0100
@@ -1,5 +1,5 @@
 // ***************************************************************************
-// p2_deco.c                                  combined next generation V3.04.3
+// p2_deco.c                                  combined next generation V3.06.1
 //
 //  Created on: 12.05.2009
 //  Author: heinrichs weikamp, contributions by Ralph Lembcke and others
@@ -1973,7 +1973,7 @@
 		real_pres_tissue_He[ci]    = 0.0;				// He
 		real_pres_tissue_N2[ci]    = N2_equilibrium;	// N2
 
-		// reset tissue pressures for scaled for tissue graphics
+		// reset tissue pressures for scaled tissue graphics
 		char_O_tissue_pres_He[ci]  = 0;					// He
 		char_O_tissue_pres_N2[ci]  = 10;				// N2
 		char_O_tissue_pressure[ci] = 10;				// combined
--- a/src/sleepmode.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/sleepmode.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File sleepmode.asm                        combined next generation V3.03.6
+;   File sleepmode.asm                        combined next generation V3.06.1
 ;
 ;   Sleep Mode
 ;
@@ -23,7 +23,7 @@
 #include "i2c.inc"
 #include "mcp.inc"
 #include "wait.inc"
-#include "tft_outputs.inc"	
+#include "tft_outputs.inc"
 
 
 	extern	vault_decodata_into_eeprom
@@ -74,10 +74,8 @@
 	bsf		sleepmode						; flag being in sleep mode
 	bsf		block_sensor_interrupt			; suspend ISR from executing sensor interrupts
 
- IFDEF _external_sensor
 	call	disable_ir_s8					; power-down IR/S8 interrupts
 	call	mcp_sleep						; power-down RX power supply
- ENDIF
 
 	clrf	ADCON0							; power-down ADC module
 	call	disable_rs232					; power-down USB
@@ -176,6 +174,8 @@
 
 	btfsc	battery_gauge_available			; is a battery gauge IC available?
 	bra		one_sec_sleep_1					; YES - check for charger
+	btfsc	ble_available				; Skip "USB" check in all Bluetooth models (Required for very old OSTC sport)
+	bra		one_sec_sleep_2					;     - continue
 	btfsc	vusb_in							; NO  - USB plugged in?
 	bcf		sleepmode						;       YES - terminate sleep mode
 	bra		one_sec_sleep_2					;     - continue
@@ -387,15 +387,15 @@
 	btfsc	charge_in_sleep					; already showing charge screen?
 	bra		sleepmode_sleepwalk				; YES - skip the actual sleep (But wait)
 
-	banksel	T7GCON							; switch bank, T7* is outside access RAM
-	clrf	T7GCON							; reset timer7 gate control register
-	movlw	b'10001101'						; 1:1 prescaler -> 2 seconds @ 32768 Hz, not synced
-	movwf	T7CON
+;	banksel	T7GCON							; switch bank, T7* is outside access RAM
+;	clrf	T7GCON							; reset timer7 gate control register
+;	movlw	b'10001101'						; 1:1 prescaler -> 2 seconds @ 32768 Hz, not synced
+;	movwf	T7CON
 	sleep
 	sleep
-	clrf	T7GCON							; reset timer7 gate control register
-	movlw	b'10001001'						; 1:1 prescaler ->  2 seconds @ 32768 Hz, synced
-	movwf	T7CON
+;	clrf	T7GCON							; reset timer7 gate control register
+;	movlw	b'10001001'						; 1:1 prescaler ->  2 seconds @ 32768 Hz, synced
+;	movwf	T7CON
 sleepmode_sleep_1:
 	movff	BSR_backup,BSR					; restore BSR
 	return
--- a/src/start.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/start.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File start.asm                            combined next generation V3.04.3
+;   File start.asm                            combined next generation V3.06.1
 ;
 ;   Startup subroutines
 ;
@@ -160,6 +160,8 @@
 	; 15 minutes sampling buffer into the reference buffer from where it is loaded by the ISR
 	rcall	sample_surface_pressure			; 1st pass
 	rcall	sample_surface_pressure			; 2nd pass
+
+	; wait until initial surface pressure value has been loaded into the ISR
 	btfsc	update_surface_pressure			; has the ISR confirmed loading of the surface pressure?
 	bra		$-2								; NO - not yet, loop until ISR has confirmed loading
 
@@ -170,9 +172,9 @@
 	; restore tissue pressures from EEPROM (if available)
 	movlw	HIGH .512						; =2
 	movwf	EEADRH							; set EEPROM address, high byte
-	read_int_eeprom	.0
-	clrf	EEADRH
-	movlw	0xAA							; coding for tissue pressures available
+	read_int_eeprom	.0						; read tissue storage information flag
+	clrf	EEADRH							; revert EEPROM high address pointer to default
+	movlw	0xAA							; load coding for tissue pressures available
 	cpfseq	EEDATA							; tissue pressures available?
 	bra		start_1							; NO  - no tissue pressures available
 	call	restore_decodata_from_eeprom	; YES - reload tissue pressures from EEPROM
@@ -504,11 +506,12 @@
 	global	restart_set_modes_and_flags
 restart_set_modes_and_flags:
 	call	option_restore_all				; restore all options settings from EEPROM
+	call	disable_ir_s8					; switch off IR/S8 digital interface by default (for all compile versions!)
 
  IFDEF _external_sensor
-	call	disable_ir_s8					; switch off IR/S8 digital interface by default
-	WAITMS	d'100'						; Some delay to power down S8-HUD properly
+	WAITMS	d'100'							; some delay to power down S8-HUD properly
  ENDIF
+
 	; setup sampling rate
 	movlw	.2								; default to 2 seconds
 	movwf	sampling_rate					; write setting
--- a/src/surfmode.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/surfmode.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -491,8 +491,9 @@
 	btfsc	screen_dump_avail			; YES - screen dump enabled?
 	return								;       YES - no COMM mode to be able to make screen shots of the menu and simulator mode
  ENDIF
+	btfss	ble_available				; Skip "USB" check in all Bluetooth models (Required for very old OSTC sport)
 	goto	comm_mode_usb				; YES / NO  - proceed to COMM mode, will also set CPU to speed normal
-
+	return
 
 	global	reset_timeout_surfmode
 reset_timeout_surfmode:
--- a/src/tft_outputs.asm	Thu Sep 19 12:01:29 2019 +0200
+++ b/src/tft_outputs.asm	Fri Nov 29 18:48:11 2019 +0100
@@ -1,6 +1,6 @@
 ;=============================================================================
 ;
-;   File tft_outputs.asm                      next combined generation V3.04.3
+;   File tft_outputs.asm                      next combined generation V3.06.2
 ;
 ;   high-level Display Outputs
 ;
@@ -4619,7 +4619,7 @@
 	iorwf	mpr+1,W							; inclusive-or with high byte, check if desaturation time is zero
 	bz		TFT_surface_lastdive_1			; YES - show last dive time
 											; NO  - show surface interval
-	SMOVII	surface_interval,mpr			;     - ISR-safe copy of surface interval
+	SMOVII	surface_interval_mins,mpr		;     - ISR-safe copy of surface interval in minutes
 	call	convert_time					;     - convert hi:lo in minutes to hours (up:hi) and minutes (lo)
 	movf	hi,W							;     - swap hi and lo
 	movff	lo,hi							;       ...
@@ -4632,7 +4632,7 @@
 	STRCAT_PRINT "m "						;
 	bra		TFT_surface_lastdive_2			;
 TFT_surface_lastdive_1:
-	SMOVFF	lastdive_time,xC				; ISR-safe copy of lastdive_time:4 to xC:4
+	SMOVFF	surface_interval_secs,xC		; ISR-safe copy of surface_interval_secs:4 to xC:4
 	call	info_menu_uptime_com			; use part of info_menu_uptime to convert and display in days and hours
 TFT_surface_lastdive_2:
 	WIN_SMALL surf_gaslist_column+.48,surf_gaslist_row+(surf_gaslist_spacing*.1)
@@ -4646,6 +4646,7 @@
 TFT_surface_lastdive_3:
 	WIN_SMALL	surf_gaslist_column+.48,surf_gaslist_row+(surf_gaslist_spacing*.2)
 	MOVII	lastdive_maxdepth,mpr
+	call	adjust_depth_with_salinity		; compute (current) salinity setting into hi:lo [mbar]
 	bsf		leftbind						; print without leading spaces
 	TSTOSS	opt_units						; 0=Meter, 1=Feet
 	bra		TFT_surface_lastdive_metric		; 0 - metric
@@ -4656,6 +4657,7 @@
 TFT_surface_lastdive_4:
 	WIN_SMALL	surf_gaslist_column+.48,surf_gaslist_row+(surf_gaslist_spacing*.3)
 	MOVII	lastdive_avgdepth,mpr
+	call	adjust_depth_with_salinity		; compute (current) salinity setting into hi:lo [mbar]
 	bsf		leftbind						; print without leading spaces
 	TSTOSS	opt_units						; 0=Meter, 1=Feet
 	bra		TFT_surface_metric				; 0 - metric   and return