Tips

Contents:

• Application Resource Usage
  • How to determine RAM usage
  • How to determine stack allocation
  • How to determine application flash usage
  • How to determine calibration flash usage
  • How to determine stack usage
  • How to determine CPU load
  • How to determine how much time each task is using
  • How to determine if a task is close to overrunning
• CAN Troubleshooting
  • ECU does not respond to CCP reprogramming requests
  • Reprogramming / CCP works but ‘normal’ CAN doesn’t
  • CAN stops working when I connect other ECU’s to the bus
  • CAN or CCP keep dropping out or work intemittently
  • CAN Termination Resistance
  • More Information
  • Still having trouble?
• CANdb Support
  • Using CAN database (CANdb or .dbc) files with OpenECU
  • Overview
  • Unsupported Features
  • Common Questions and Problems
• CCP Security
  • How do I use CCP Security?
• Channel Selection Changed
• My Current Draw is Too High
• My Current Draw is Too Low
• Data Dictionary Rules
  • File and Directory Structure
  • Naming Rules
  • DD Entry Properties
  • Example
• Dead ECU
  • My ECU is dead - what do I do?
• Discrete IO Troubleshooting
  • Troubleshooting discrete I/O
  • Digital outputs
  • Low Side vs. High Side Digital Outputs
  • My M670 is indicating a fault on Monitor (Fault) - what’s wrong?
  • Digital inputs
  • My input seems inverted
  • Analog inputs
• ECU Power Control – Ignition, Power hold, and Wake-on-CAN
  • Power Control Configuration on ECU without Wake-on-CAN
  • Power Control Configuration on ECU with Wake-on-CAN
• ECU Recovery
  • System Modes
  • What is FEPS?
  • Positive FEPS Mode
  • Negative FEPS Mode
• Flash Code Output
  • Setup
  • Procedure
  • Flash Code Meanings
• ECU Reprogramming
  • Putting the ECU in programming mode
  • Large vs. Small Image Files
  • Programming Tools
  • Running the Application
• ECU Reset
  • Watchdog Reset
  • Stack Overflow
• How do I wire up ignition coils to an OpenECU?
• Model Referencing
• Simulink Library Models
• Lookup Tables
  • OpenECU Lookup Tables
  • Simulink Native Lookup Tables
  • Naming Considerations
• Quadrature Decode
  • How does quadrature decode work?
• Data Dictionaries
  • Selecting A Data Dictionary Format
  • More Information
• Setting the MATLAB Path
  • Example Commands at Matlab Prompt
  • OpenECU Switch Version
• Shared FEPS and Flash Code Pin
  • How is it Possible for a Pin to be Both an Input and an Output?
  • So, What Does that Mean for Using that Pin?
• Displayable Signal Troubleshooting
  • In ATI Vision
  • In OpenECU Calibrator
  • Resolution
• Sim-API Required Tools
  • Minimum Necessary Tools - Mathworks
  • Optional Tools - Mathworks
  • Minimum Necessary Tools - C Compiler
  • Minimum Necessary Tools - Calibration Tool
• SLX file format
  • Simulink Library Browser Warning
• Changing application stack size
• Tech Spec Addendums
• Retrieving Software Version Information
  • Overview
  • How do I retrieve the platform software version that is running on my ECU?
  • How do I retrieve the bootloader software version that is running on my ECU?
  • How do I retrieve the reprogramming software version that is running on my ECU?