libs/RFID.MFRC522
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #7 from ljos/patch-1

Browse Source 
Turn of encryption when tag is halted
This commit is contained in:
miguelbalboa
2013-09-24 07:39:36 -07:00
parent 9fce44f584 9151cbf25c
commit a159de6c55
1 changed files with 6 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
RFID.cpp
View File

@@ -473,13 +473,15 @@ unsigned char RFID::write(unsigned char blockAddr, unsigned char *writeData)
*/ */
void RFID::halt() void RFID::halt()
{ {
unsigned char status; unsigned char status;
unsigned int unLen; unsigned int unLen;
unsigned char buff[4]; unsigned char buff[4];
buff[0] = PICC_HALT; buff[0] = PICC_HALT;
buff[1] = 0; buff[1] = 0;
calculateCRC(buff, 2, &buff[2]); calculateCRC(buff, 2, &buff[2]);
clearBitMask(Status2Reg, 0x08); // turn off encryption
status = MFRC522ToCard(PCD_TRANSCEIVE, buff, 4, buff,&unLen); status = MFRC522ToCard(PCD_TRANSCEIVE, buff, 4, buff,&unLen);
} }