/*
*******************************************************************************
**
** This function simply queries a message mailbox without blocking if no
** message is available.
**
*******************************************************************************
*/
RTOS_Message RTOS_MailboxQuery( RTOS_Mailbox mailbox )
{
OS_MBOX_DATA mboxdata;
if( ! RTOS_MailboxIsValid( mailbox ) )
return( (RTOS_Message)0 );
if( OSMboxQuery( (OS_EVENT*)mailbox, &mboxdata ) != OS_NO_ERR )
return( (RTOS_Message)0 );
return( (RTOS_Message) mboxdata.OSMsg );
}
/* Checks for fingerprint */
void task1(void* pdata) {
INT8U err;
bool firstBuffer = true;
while (true) {
//Init sensor
ZFMComm fingerprintSensor;
fingerprintSensor.init(SERIAL_NAME);
//Continue while we have no error
while (!fingerprintSensor.hasError()) {
OSTimeDlyHMSM(0, 0, 1, 0);
printf("Checking for fingerprint\n");
LCD::writeToLCD("Checking for", "fingerprint");
//Check if the web server is pending on a fingerprint
bool sendToMailbox = OSSemAccept(fingerprintSem) > 0;
while (!fingerprintSensor.scanFinger()
|| !fingerprintSensor.storeImage(getBufferNum(firstBuffer))) {
//Sleep for a second and try again
OSTimeDlyHMSM(0, 0, 1, 0);
if (!sendToMailbox) {
sendToMailbox = OSSemAccept(fingerprintSem) > 0;
}
}
printf("Fingerprint acquired, looking for fingerprint ID\n");
LCD::writeToLCD("Print found", "Looking for ID");
int fid = fingerprintSensor.findFingerprint(getBufferNum(firstBuffer));
printf("Fingerprint id:%d\n", fid);
stringstream sStream;
sStream << fid;
LCD::writeToLCD("Print ID: ", sStream.str());
if (sendToMailbox) {
//Swap Fingerprint Buffer used in case we enroll next
firstBuffer = !firstBuffer;
if(m_enrollNow){
Database dbAccess;
fid = dbAccess.findNextID(USER_PRINTS);
fingerprintSensor.storeFingerprint(fid);
m_enrollNow = false;
}
//We need to wait for the mailbox to empty before we do anything
while (true) {
OS_MBOX_DATA mboxData;
OSMboxQuery(fingerprintMailbox, &mboxData);
if (mboxData.OSMsg == NULL) {
//We can add data to the mailbox now
break;
}
OSTimeDlyHMSM(0, 0, 1, 0);
}
err = OSMboxPost(fingerprintMailbox, &fid);
if (err != OS_NO_ERR) {
printf("Error sending message to fingerprint mailbox");
}
//Restart loop
continue;
}
//Check if fingerprint is allowed access and unlock door
//After this point, we fall through to the error if (uriString.compare(0, 7,
{
Database dbAccess;
if(dbAccess.checkAccess(fid)){
//Success, unlock door!
char * ledBase = (char*) GREEN_LEDS_BASE;
for (int i = 0; i < GREEN_LEDS_DATA_WIDTH; i++){
*ledBase = 1 << i;
OSTimeDlyHMSM(0, 0, 0, 100);
}
*ledBase = 0;
printf("Open up!!!\n\n");
printf("Unlocking\n");
LCD::writeToLCD("Unlocking", "");
Solenoid::unlock();
continue;
}
}
//Fallthrough error case. Notify owner!
printf("Failed to verify print!\n\n");
LCD::writeToLCD("Print not", "verified");
{
Audio sound(databaseSemaphore);
for (int i = 0; i < 3; i++){
sound.play();
}
}
}
}
}
