Cirrus Logic CS485 Dokumentacja Pobierz pdf (Strona 49)

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101

Error Handling

3-13

Error Handling Example

The following example describes the default error handling for a console

application. In the example program,

test.c, assume that the function

libFuncB() represents a library function such as ipl?AddS(), and the

function

libFuncD() represents a function that is called internally to the

library. In this scenario,

main() and appFuncA() represent application

code.

Thevalueoftheerrormodeissetto

IPL_ErrModeParent.The

IPL_ErrModeParent option produces a more detailed account of the error

conditions.

Example 3-1 Error Functions

/* application main function */

main() {

iplSetErrMode(IPL_ErrModeParent);

appFuncA(5, 45, 1.0);

if (IPL_ERRCHK("main","compute something")) exit(1);

return 0;

}

/* application subroutine */

void appFuncA(int order1, int order2, double a) {

libFuncB(a, order1);

if (IPL_ERRCHK("appFuncA","compute using order1")) return;

libFuncB(a, order2);

if (IPL_ERRCHK("appFuncA","compute using order2")) return;

}

/* do some more work */

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