Hi,
I bought SM130 rfid module and RFID Evaluation Shield to be use with my arduino uno. As part of the learning I did tried their samples of code. However, I’m having a problem with the authentication process where the error appear as Login Status: 00881554D (Failed.). Referring to SM130 datasheet, the value 55 is represent as login failed. Below is the sample of coding that has been modified. I would appreciate if anybody could help me. Thanks.
void authenticate() //Attempt to authenticate block 0x01 with key Type AA
{
int resp = 0;
byte auth = 76; //Status message for successful authorization
byte authenticate = {0xFF,0x00,0x09,0x85,0x01,0xAA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8E};
for (int i =0; i< 7; i++)
{
rfid.write(authenticate*);*
}
//Get Response
delay(50);
while(rfid.available())
{
if(rfid.read() == 255)
{
for(int i=1;i<11;i++)
{
Str2= rfid.read();
}
}
}
Serial.print("Login Status: "); //Status of Login attempt
Serial.print(Str2[0], HEX);
Serial.print(Str2[1], HEX);
Serial.print(Str2[2], HEX);
Serial.print(Str2[3], HEX);
Serial.print(Str2[4], HEX);
Serial.print(Str2[5], HEX);
if(Str2[4] == auth)
{
Serial.print(" (Successful!)");
} //If successful, tell the user
else
{
Serial.print(" (Failed.)");
} //If any other that successful
Serial.println(); //Make some breathing room on the terminal
}