Renesas Emulator System E8 Guía de usuario descargar pdf (Pagina 36)

CSE8E10-2

Resolving problems

IAR C-SPY® Hardware Debugger Systems

User Guide

For more information, see the IAR Embedded Workbench® IDE User Guide.

C-SPY USE OF BREAKPOINTS

When you set a breakpoint, C-SPY sets a breakpoint for internal use. To do this, the

breakpoints in the emulator are used. The fact that C-SPY uses breakpoints is normally

not a problem. However, one exception is C-SPY profiling, which requires many

breakpoints.

C-SPY will set a breakpoint if:

● the C-SPY option Run to has been selected (one breakpoint is set temporarily after

each reset)

● the stack plugin is being used (if the C-SPY option Run to has been selected, the

breakpoint needed for that will be used also by the stack plugin)

● the linker option With runtime control modules has been selected (debug support

for program termination and optionally file I/O).

Exceeding the number of available breakpoints will cause the debugger to single step.

This will significantly reduce the execution speed. For this reason you must be aware of

the different breakpoint consumers; see the IAR Embedded Workbench® IDE User

Guide.

You can prevent the debugger from using breakpoints in these situations by deselecting

these options.

Resolving problems

Debugging using the C-SPY hardware debugger systems requires interaction between

many systems, independent from each other. For this reason, setting up this debug

system can be a complex task. If something goes wrong, it might at first be difficult to

locate the cause of the problem.

This section includes suggestions for resolving the most common problems that can

occur when debugging with the C-SPY hardware debugger systems.

For problems concerning the operation of the evaluation board, refer to the

documentation supplied with it, or contact your hardware distributor.

WRITE FAILURE DURING LOAD

There are several possible reasons for write failure during load. The most common is

that your application has been incorrectly linked:

● Check the contents of your linker command file and make sure that your application

has not been linked to the wrong address

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Renesas Emulator System E8 Guía de usuario Pagina 36