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Debugging
© PHYTEC Meßtechnik GmbH 2002 L-586e_2
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4 Debugging
This Debugging section provides a basic introduction to the debug
functions included in the Raisonance RIDE tool chain. Using an
existing example, the more important features are described. For a
more detailed description of the debugging features, please refer to
the appropriate manuals provided by Raisonance.
The Raisonance RIDE integrated debugger offers two operating
modes that can be selected in the Options\Project\LX51\ROM-
Monitor and Options\Debug dialog:
•
The Simulator allows PC-based microcontroller simulation of
most features of the 8051 microcontroller family without actually
having target hardware. You can test and debug your embedded
application before the hardware is ready. RIDE simulates a wide
variety of peripherals, including the serial port, external I/O, and
timers.
•
The Real Mode, using either the Raisonance ROM monitor or an
In-Circuit Emulator, allows target-based debugging. When using
the ROM monitor, the debugger communicates with the target
hardware via a monitor kernel that is running on the target system.
The following examples utilize the Real Mode/ROM monitor
interface.
Note:
Use of the monitor program requires protection (reservation) of some
controller resources, such as the serial interface, the serial interrupt
and timer 1. These resources are necessary to allow communication
between the monitor program on the target hardware and the RIDE
Debugger (refer to the Raisonance manuals for further information).
Do not use these resources when developing an application program
to be debugged using the ROM monitor interface.
Before using the ROM monitor interface, a special *.hex file (the
monitor loader firmware) must be downloaded to the target hardware.