send_wakeup
pn532->send_wakeup = PN532_SEND_LAST_WAKEUP;
pn532->send_wakeup = PN532_SEND_WAKEUP;
pn532->send_wakeup = PN532_SEND_WAKEUP;
enum send_wakeup send_wakeup;
if (pn532->send_wakeup) {
if (pn532->send_wakeup == PN532_SEND_LAST_WAKEUP)
pn532->send_wakeup = PN532_SEND_NO_WAKEUP;