NFCSTATUS phDal4Nfc_ConfigRelease(void *pHwRef)
{
NFCSTATUS result = NFCSTATUS_SUCCESS;
void * pThreadReturn;
DAL_PRINT("phDal4Nfc_ConfigRelease ");
if (gDalContext.hw_valid == TRUE)
{
/* Signal the read and write threads to exit. NOTE: there
actually is no write thread! :) */
DAL_PRINT("Stop Reader Thread");
gReadWriteContext.nReadThreadAlive = 0;
gReadWriteContext.nWriteThreadAlive = 0;
/* Wake up the read thread so it can exit */
DAL_PRINT("Release Read Semaphore");
sem_post(&nfc_read_sem);
DAL_DEBUG("phDal4Nfc_ConfigRelease - doing pthread_join(%d)",
gReadWriteContext.nReadThread);
if (pthread_join(gReadWriteContext.nReadThread, &pThreadReturn) != 0)
{
result = PHNFCSTVAL(CID_NFC_DAL, NFCSTATUS_FAILED);
DAL_PRINT("phDal4Nfc_ConfigRelease KO");
}
/* Close the message queue */
#ifdef USE_MQ_MESSAGE_QUEUE
mq_close(nDeferedCallMessageQueueId);
#endif
/* Shutdown NFC Chip */
phDal4Nfc_Reset(0);
/* Close the link */
gLinkFunc.close();
if (gDalContext.pDev != NULL) {
nfc_pn544_close(gDalContext.pDev);
}
/* Reset the Read Writer context to NULL */
memset((void *)&gReadWriteContext,0,sizeof(gReadWriteContext));
/* Reset the DAL context values to NULL */
memset((void *)&gDalContext,0,sizeof(gDalContext));
}
gDalContext.hw_valid = FALSE;
DAL_DEBUG("phDal4Nfc_ConfigRelease(): %04x\n", result);
return result;
}
