Keyestudio KS0077, Руководство пользователя, Страница: 131 / 142

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}
status = MFRC522_Anticoll(str);
memcpy(serNum, str, 5);
if (status == MI_OK)
{
Serial.println("The card's number is : ");
Serial.print(serNum[0],BIN);
Serial.print(serNum[1],BIN);
Serial.print(serNum[2],BIN);
Serial.print(serNum[3],BIN);
Serial.print(serNum[4],BIN);
Serial.println(" ");
}
// select card, return card capacity
RC_size = MFRC522_SelectTag(serNum);
if (RC_size != 0)
{}
// write data card
blockAddr = 7;
// data block 7
status = MFRC522_Auth(PICC_AUTHENT1A, blockAddr, sectorKeyA[blockAddr/4],
serNum); // authentication
if (status == MI_OK)
{
// write data
status = MFRC522_Write(blockAddr, sectorNewKeyA[blockAddr/4]);
Serial.print("set the new card password, and can modify the data of
the Sector: ");
Serial.print(blockAddr/4,DEC);
// write data
blockAddr = blockAddr - 3 ;
status = MFRC522_Write(blockAddr, writeDate);
if(status == MI_OK)
{
Serial.println("OK!");
}
}