[Ovmsdev] SIM808 and v2.8.6
Mark Webb-Johnson
mark at webb-johnson.net
Sun May 29 20:45:32 HKT 2016
Glad to say the ordeal with SIM808 support is over. With Michael Balzer’s help, we’ve got the GPS working well and the final firmware is built.
To keep things as small as possible, we’ve split to two different sets of configuration files and firmware builds types for the V2 hardware. Here is the full list of firmware files:
V1_production_908.hex V1 Hardware Module, SIM908 modem, production firmware
V2_production_808.hex V2 Hardware Module, SIM808 modem, production firmware
V2_production_908.hex V2 Hardware Module, SIM908 modem, production firmware
V2_experimental_808.hex V2 Hardware Module, SIM808 modem, experimental firmware
V2_experimental_908.hex V2 Hardware Module, SIM908 modem, experimental firmware
V2_RT_production_808.hex V2 Hardware Module, SIM808 modem, Renault Twizy full firmware
V2_RT_production_908.hex V2 Hardware Module, SIM908 modem, Renault Twizy full firmware
V2_TR_production_808.hex V2 Hardware Module, SIM808 modem, Tesla Roadster full firmware
V2_TR_production_908.hex V2 Hardware Module, SIM908 modem, Tesla Roadster full firmware
The v2.8.6 firmware is now live on github.
You can tell the difference between a SIM808 and SIM908 module by looking at the board. The big white chip is clearly marked.
This production firmware is going to the factory now. Hopefully the modules (SIM808) will be back in stock at Fasttech within the coming week.
We’ve also taken this opportunity to merge in a bunch of changes from various contributors. The full change log is:
2016-05-29 2.8.6 Firmware 2.8.6 SIM808 GSM/GPS production support
# Framework: - Support for separate charger temperature (car_tcharger)
# Twizy user guide v1.8 (BMS power limit bypass)
# Twizy documentation: - Added command overview
# Twizy documentation: - Added limiter designer to powermap calculator
# Twizy documentation: - Added some more registers to SDO list
# Leaf: reformat using mplabx 'whitesmiths' formatting rules, no code changes
# Merge carrott/nissan-leaf-reformat enhancements for Nissan Leaf
# Twizy: minor documentation fixes & additions
# Merged Kia Soul 0.46 06 Mar 2016 (Geir Øyvind Vælidalo)
# Leaf: - TCU messages aren't suitable for car state selection
# Leaf: - Use presence of inverter messages to indicate car on and driving
# Leaf: - Use bus inactivity to indicate car off
# Leaf: - use presence of ABS messages to indicate driving - add some TODO
# Leaf: extract car on-off to a function
# Leaf: when ABS messages stop, car must be off, even if CAN bus is still active
# Leaf: understand waiting for charge timer
# Leaf: Refactor charger status logic
# Leaf: extract gids out to a separate value
# Leaf: turn off polling as it causes a relay to click every 20 seconds while charging
# Leaf: don't update charger state when the can bus goes quiet as charger has already told us what happened
# Leaf: use J1772 pilot maximum current to set the pilot and charge door bits
# Leaf: use unambiguous variable types
# Leaf: initialize SOC and SOC alert to avoid SMS on startup
# Merge pull request #147 from carrott/nissan-leaf
# Deterministic TRISC & PORTC init in each module
# led_set should turn on the chosen led, not OVMS_LED_O - 1 == RC3 when digit == OVMS_LED_ON
# Merge pull request #148 from carrott/deterministic-portc
# Fix for twizy to allow production builds with OVMS_TWIZY_BATTMON
# Firmware build restructuring for SIM808 support, and basic GPS support for SIM808
# SIM808 GPS fetch & coordinate processing - "GPS?" command optimized GM link, extended by OSM link
# Added modem power up on module power up - Diag mode clients reworked for SIM808 operation
# RT documentation: added modem terminal speed fix for diag mode
2016-03-14 2.8.5 Firmware 2.8.5 SIM808 GSM/GPS module support
# Fix for Twizy build w/o BATTMON
# Twizy: ideal range calculated with temperature influence approximation
# Twizy: Battery capacity estimation
# Twizy: Charge start restarts SOC window (to get most recent BMS SOC)
# Twizy: Charge interruption no longer restarts power sums & SOC window
# Added vehicle_version to net msg "F"
# New vehicle: Kia Soul EV, initial version 0.1 (alpha/untested)
# Kia Soul: VIN, car status, doors & charging status, SOC, estimated range, speed
# Framework: OBDII polling support for modes 02, 10 & 21
# Kia Soul: DEBUG diag output fixed for SMS size limit
# Kia Soul: ISR optimization - OBD diag data init & length debugging
# Kia Soul: Buffer overflow protection for OBDII multi frame polls
# Kia Soul: Init CAN RX filter 1 to avoid noise triggers
# Twizy: optional current limit modification
# Added compiler switch OVMS_NO_CRASHDEBUG
# Twizy V3.7.0: - CFG POWER: max current control, higher torque & power levels
# Framework v2.8.2: DIAG mode: support backspace & ctrl-a / ctrl-c (= abort/clear)
# Framework v2.8.2: DIAG mode perl clients added
# Framework v2.8.2: DIAG mode documentation extended
# Add hints on 0x100/0x96 and 0x400/0x01
# Framework: Fixed base64decode(), removed bug workarounds
# Framework: base64encode(): return pointer to end of base64 string
# Framework: New net_assert_caller(): check caller, fallback to REGPHONE
# Framework: net_put RAM redirection now uses net_buf[]
# Framework: Code cleanup, size and stack depth optimization
# Framework: Fix: stack overflow/underflow flags cleared after crash
# Framework: Perl diagmode clients: missing license info added
# Twizy: Flux map optimization
# Twizy: Fix: "CA?" outputs ETR SOC if ETR range is zero
# Twizy: CAN control bits to disable emergency reset, kickdown & autopower
# Twizy: Flux & saturation maps added to documentation
# Twizy: Updated SDO list & limits
# MPLABX 3.1x support, and OVMS_BUILDCONFIG to show selected build config in version strings
# Add pics and docs on Tesla Model S new style DIAG connector seen in late 2015 cars onwards
# Re-work GPS initialisation for SIM808
# Use AT+CGPSRST=0 for cold start of GPS
# Fix SMS VERSION command
A big thank you to Michael Balzer for his help with this, as well as to all the other contributors.
Regards, Mark.
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