20010 hwOS - OSTC 4 (Version 1.6.0)









History

[1.6.0] with RTE 2.09
FIX: automatic switch to o2 sensor custom view:
 In surface mode the custom view will automatically switch to the o2 sensor view in case the OSTC4 is set to
 sensor mode. This was also done in case the o2 sensor view was deactivated. This lead to a automatic switch
 to e.g. compass what was not intended. In the new version the automatic switching is deactivated in case
 the custom view is deactivated
CHG: Ignore automatic setpoint changes during ascend:
 In the previous version setpoint changes which have been configured for descending were considered
 for deco calculation in case one or more additional diluents have been activated. This procedure does
 not fit to the common way to keep setpoint high till end of the dive in order to get rid of the deco time.
 In the new implementation the OSTC 4 assumes that the current setpoint is used till the end of the dive.
FIX: Bugfix low ppO2 warning in bailout mode:
 the code has different sources for divesettings (real and simulated). The ppo2 calculation code used
 the pointer to the real structure. As result in simulation mode an error occured caused by the ppo2
 calculation which was not aware that a bailout happened (because the real structure was references
 instead of the simulator ones). The problem has been fixed by using the "stateUsed" pointer which is
 refering to the structure currenty in use.
FIX: Battery charge complete event:
 In previous version it could happen that the battery charge state was set to 100% even the battery was
 not completly charged. Rootcause was that the external charger IC signals sometimes completion because
 e.g. the connection between charger unit and OSTC is disconnected within a short time slot. This may
 happen while the user is trying to get the OSTC in a good charging position. To avoid this the state
 machine now checks the voltage everytime for valid charging complete range before a charging complete
 is signaled.

[1.5.9] with RTE 2.07
NEW: Added Charging view:
In case the charger is connected to the OSTC a new menu will be shown in the customer view section.
 The new view shows a charging current indicator, the current charge percentage and an estimation
 how long the completion of the charging cycle will take (hour window).
NEW: PSCR Mode
NEW: Scrubber Timer tracks use of CCR scrubber
CHANGE: Allow setpoint starting at 0.4 ppO2: Some rebreathers (e.g. Sentinel) start with a ppO2
 of 0.4 Bar => modified range check to allow this value (was 0.5 before)
NEW: Introduced new menu tab "OP" for additional CCR options, e.g. The Scrubber timer and PSCR parameters

[1.5.6] with RTE 2.06
NEW: O2 calibration for analog sensors
FIX: At the begin of the dive and while switching between T7 <=> T3 view a primary view could be shown
    which was deactivated by the selection dialogue. In case the primary view is now deactivated,
    the next activated view will be shown instead
FIX: Compass accuracy for some hardware versions
CHG: Handle analog O2 sensor voltages outside reasonable parameters as invalid
CHG: In surface mode the custom view will now reset to the o2 sensor display if sensors are connected
    and no button has been pressed for 20 seconds

[1.5.5] with RTE 2.05
NEW: SYS3 menu where all custom views can be configured in detail (center, corner and big font)
FIX: Disable compass properly when not in use (end-2019 hardware only)
NEW: Added new option to gas configuration: "Off" (These are then not shown in the custom gas list)
FIX: Startup behaviour in cases where incorrectly stored dives are in the internal logbook

[1.5.4] with RTE 2.04
FIX: support for some old harwdare versions was broken in 1.5.3 (Only serial number <100 were affected)
CHG: layout in internal logbook cleaned
CHG: Only switch between "no fly" and "desaturation" in case there is desaturation time left
FIX: Balance value of button responsitivness were not considered during firmware startup
CHG: internal improvements in sleep mode
FIX: use dummy profile if necessary (If there are corrupted dives in the logbook)

[1.5.3] with RTE 2.03
CHG: Always show battery voltage in surface mode
CHG: battery status is now preserved for future updates
NEW: Support for much faster updates (With OSTC companion 3.2 and later)
FIX: (very) short screen lag removed during sample storage in dive mode

[1.5.2] with RTE 2.02
Beta Version!
FIX: display of time of minimum voltage
FIX: Display of Sensor values. At divestart sensor values were shown even sensors were deactivated (fix SP)
FIX: Bugfix invalid voltage / temperature after coldstart
FIX: Instant dive start at several meters out of sleep mode (Jumping into the water) may resulted in lagged/freeze depth reading
CHG: Speed increase of Bluetooth communications
CHG: Look and Feel for Gauge/Apnea mode with flipped screen improved
FIX: Deco warning after Gauge mode
FIX: Download issues of corrupted dives
FIX: Proper logbook write (Very spurious error, mainly in CCR mode)

[1.5.1] with RTE 2.01
NEW: Support for end-2019 Hardware

[1.5.1] with RTE 2.00

FIX: 1.5.0 could enter dive mode when ambient pressure reduced during flight

[1.5.0] with RTE 1.90

FIX: Optical port timeout fixed
FIX: firmware version in logbook data
FIX: battery information in logbook data
FIX: correct main version number logbook data
FIX: fix drawing of CCR bailout profile in internal logbook

[1.4.8] with RTE 1.80

FIX: Important stability updates
FIX: Language updates
FIX: Spurious spikes in recorded logbook
FIX: NDL was logged incorrectly

[1.4.7] with RTE 1.70

NEW: "Saturation" replaces "Current GF", shows percentage of resulting GF high in GF-deco mode
CHG: Replace mbar with hPa in surface mode and logbook
FIX: CNS logging had unexpected values in the first minute
FIX: Language updates
FIX: Show all dive modes in surface mode (And not only CCR and OC)
FIX: Lags with screen freeze in dive mode fixed
FIX: In rare cases the OSTC4 did not power down correctly for sleep mode
FIX: Average depth was slightly off
FIX: Sync max. Depth and Depth properly
CHG: Intensive code cleanup and review, change to free GCC compiler
NEW: Full code release: https://bitbucket.org/heinrichsweikamp/ostc4/wiki/Home
FIX: highlight the menu underline correctly on selected state in dive mode
NEW: Option to Flip the screen
FIX: Several minor layout corrections in dive mode
NEW: New implementation for ceiling (identical to hwOS 2 code)

[1.3.5] with RTE 1.06

CHG: hardware support for newer models
CHG: battery percent display in surfacemode (Not voltage)
FIX: language updates

[1.3.0] with RTE 1.01

NEW: apnea mode
NEW: gauge mode (including deco stop display of deco system in background)
NEW: Average Depth and Timer in big font mode
NEW: compass bearing stored
NEW: extra-low cave brightness configuration and ultra-bright setting
NEW: extended button control and factory reset option via bluetooth
CHG: bluetooth active on system start
FIX: gas consumption calculation
CHG: small battery voltage display in surface mode

[1.2.6] with RTE 0.98

NEW: feet now everywhere in the displays during the dive
FIX: futureTTS was always calculating 5 minutes independently from settings
FIX: warnings for ppO2 max and ppO2 min
FIX: text corrections
FIX: button settings internal handling redone
FIX: Desaturation Time and NoFly Time didn't show days.

[1.2.1]

FIX: customview header text
CHG: overview added as optional on/off in dive menu

[1.2.0]

CHG: duration of dive is now total time minus all time close to surface
NEW: CCR with sensors has 10 minutes timeout instead of 2 minutes like in other modes
FIX: button reset on start-up after updating to firmware 1.1.8
NEW: added ascent and descent rate in (small) numbers
CHG: failsafe if computer is turned on during flight (880 mbar limit instead of 700 mbar)
NEW: most center custom views can be turned on and off during dive (new menu in dive mode)
FIX: temperature graph in logbook
NEW: button sensitivity overdrive with 105% and 110% now available
FIX: helium desaturion time in logbook entry

[1.1.8]

FIX: Hardware driver issues in 1.1.2
FIX: Logbook Temperature Graph core redone
NEW: Set Marker in Divemode
CHG: Surface Time calculation now based on internal clock
NEW: Battery Status will be to set to last know value after RTE update

[1.1.2]

FIX: Multiple Deco Gas Changes
FIX: Automatic Firmware Update after RTE update (for upcoming updates)
NEW: Individual Button Offset
CHG: Update of some hardware drivers
FIX: readLimits for external software

[1.1.1]

FIX: button sensitivity configuration via external software
FIX: settings warnings in surface screen
FIX: minor fixes in external software communication


[1.1.0]

NEW: Deco Planner gas consumption
NEW. Langue Français
FIX: 0x4C prompt for unknown commands
FIX: VPM ceiling
FIX: smaller fixes (bluetooth, text, fallback times)
NEW: command to distinguish standard and Bonex version
NEW: BONEX design
CHG: interface to OSTC Companion, OTSC Tools and others
FIX: custom view limits
NEW: compass calibration stored on reset (RTE)

[1.0.11]

NEW: compass damping
CHG: compass design

[1.0.10]

FIX: read settings command (for external software)
FIX: menu system for Deco1 and Sys2

[1.0.8]

FIX: dive start time in export to DivingLog, Subsurface and more (all dives)
FIX: deco / NDL status in logbook recording (new dives only)

[1.0.7]

FIX: brightness adjustments
FIX: temperature graph scaling in logbook
FIX: trimix gases text in logbook
CHG: lower limit set for no fly time
CHG: start of dive mode is now at one meter if computer is running
CHG: divetime less than one minute does not change no fly time and time since last dive
FIX: NDL calculation information after deco dive with GF algorithm
ADD: improved support for external communication with OSTC Companion

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