Niiko skrev:
hittade hos xenonhuset, elm327 bluetooth v1.4.. är det senaste versionen eller finns det fler eller vad innebär det ?
Senaste ELM327-chippet är 2.0. Versionen innan det var v.1.4b (v1.4A, v1.5 & v1.5a är alltså klonade hittepåchip)
Changelog (om det nu skulle finnas något intresse för det);
v1.0
- Supports:
SAE J1850 PWM and VPW,
ISO 9141-2 (10.4 and 9.6 kbps),
ISO 14230-4 (10.4 and 9.6 kbps)
as well as ISO 15765-4 CAN (250 and 500 kbps)
- RS232 baud rates are only 9.6 or 38.4 kbps
v1.0a
- J1850 VPW timing adjustment for some '99 - '00 GM trucks.
v1.1
- Introduced Programmable Parameters
- Added Flow Control commands
v1.2
- RS232 baud rates are adjustable to 500 kbps
- Programmable Parameters can be reset with a jumper
- Introduced Adaptive Timing
- Added SAE J1939 support (protocol A)
- Added user defined CAN protocols B and C
- Modified KWP protocols to allow four byte headers
v1.2a
- Changed error detection to catch KWP 4 byte headers if no data or checksum
- Added check to prevent CAN mask corruption on certain Flow Control sends
v1.3
- Adaptive Timing tuned a little differently
- Several J1939 improvements
- New CAN CRA commands to help setting masks and filters
- New CAN D0/D1 commands for printing of message dlc
- New CAN RTR command for sending same
- Added space character control in responses
- New STOPPED message for user interrupts during searches
- Introduced LV RESET message for resets from low voltage
- New @2 and @3 commands for storing of unique identifier
- Added ability to state the number of responses desired
v1.3a (still available)
- Added wiring checks for when the J1962 CAN pins are used for other functions
v1.4
- Added Low Power mode ('sleep' function)
- Added extended addressing mode for CAN protocols
- Added 4800 baud ISO 9141 and ISO 14230 support
- Allow manual control over ISO 9141 and ISO 14230 initiation
- Provided a single EEPROM byte for user data storage
- All interrupts now say STOPPED (not just when searching)
- Many new Programmable Parameters and additions
v1.4b (still available)
- New CSM command to have active or passive CAN monitoring
- New CRA command to quickly reset changed masks and filters
- Several SAE J1939 updates
v2.0
- New Activity Monitor watches OBD pins
- Wake from Low Power now retains settings
- AT CRAs accept 'don't care's (X's)
- New PP's provide extensive ISO/KWP control
- Increased the RS232 Tx buffer to 512 bytes
- Brownout reset voltage reduced to 2.8V