#include <csl.h>
#include <csl_wdtim.h>
#include <stdio.h>
int i, pscVal;
WDTIM_Config getConfig;
WDTIM_Config myConfig = {
0x1000, /* WDPRD */
0x0000, /* WDTCR */
0x1000 /* WDTCR2 */
};
main()
{
CSL_init();
#if (_WDTIM_SUPPORT)
WDTIM_config(&myConfig);
WDTIM_FSET(WDTCR, WDOUT, 1); /* Connect to NMI */
WDTIM_FSET(WDTCR, TDDR, 0xF); /* Value to load PSC field */
WDTIM_FSET(WDTCR2, PREMD, 0); /* Set direct mode */
WDTIM_service(); /* enable watchdog */
//for (i = 0; i < 100; i++)
for (;;)
{
WDTIM_getConfig(&getConfig);
pscVal = WDTIM_FGET(WDTCR,PSC);
printf("pscVal: %x, wdtcr: %x\n",
pscVal, getConfig.wdtcr);
/* write periodically to WDTIMER - when this line is commented out,
the watchdog times out, WDFLAG set to 1, indicating
that a Watchdog time-out occurred.*/
WDTIM_service();
} //end for loop
#endif
}
谁能告诉我这里的#if (_WDTIM_SUPPORT)
是什么意思，为什么用这个条件编译？？ |
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