Debugging Without an In-Circuit Emulator

Although we highly recommend the use of an ICE for embedded applications, there are times when, an ICE is not an option. This articles presents some techniques that may be useful when debugging without an ICE. Debugging can be done without an ICE but an RS-232 connection is almost essential when an ICE is not present. Although the board resident monitor sounds good in principal, we recommend against it because it deals in machine code only and has no symbolic capability. To make the monitor really useful, much work is involved. On the other hand, the inline breakpoint technique requires minimal code and can be developed within a day or so. Therefore, in general, we recommend the inline breakpoint approach.

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