Cirrus Logic CS485 Especificações descarregar pdf (Página 51)

Error Handling

3-15

Example 3-2 Output for the Error Function Program (IPL_ErrModeParent)

IPL Library Error: Invalid argument in function libFuncB: order must be

less than or equal to 31

called from function appFuncA: compute using order2

called from function main: compute something

If the program runs with the IPL_ErrModeLeaf option instead of

IPL_ErrModeParent, only the first line of the above output is produced

before the program terminated.

If the program in Example 3-1 runs out of heap memory while using the

IPL_ErrModeParent option, then the output illustrated in Example 3-3 is

produced.

Example 3-3 Output for the Error Function Program (IPL_ErrModeParent)

IPL Library Error: Out of memory in function libFuncD: allocating a

vector of doubles

called from function libFuncB: compute using a

called from function appFuncA: compute using order1

called from function main[]: compute something

Again, if the program is run with the IPL_ErrModeLeaf option instead of

IPL_ErrModeParent, only the first line of the output is produced.

Adding Your Own Error Handler

The Image Processing Library allows you to define your own error handler.

User-defined error handlers are useful if you want your application to send

error messages to a destination other than the standard error output stream.

For example, you can choose to send error messages to a dialog box if your

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Cirrus Logic CS485 Especificações Página 51