Updated version with proper challenge/response code

master
Wilhelm Westermark 8 years ago
parent 66d4364b56
commit 5afa7988fc

@ -1,4 +1,4 @@
O/* /*
*i2ctest.c *i2ctest.c
* Raspberry Pi I2C test using wiringPi library. * Raspberry Pi I2C test using wiringPi library.
* *
@ -35,28 +35,24 @@ int main (int argc, char *argv[])
} }
else else
{ {
while(data != 6) { delay(1);
wiringPiI2CWrite(fd, send); while(1) {
wiringPiI2CWrite(fd, send);
data=wiringPiI2CRead(fd); data=wiringPiI2CRead(fd);
printf(" Received data=%d\n", data);
if(data==-1) if(data==-1)
{ {
printf("No data\n"); printf("No data\n");
//return -1; //return -1;
} }
else if(data == send*3) { else if(data == 17) {
printf("Sending challenge"); printf("Exit code received \n");
wiringPiI2CWrite(fd, 4);
}
else if(data == 6) {
printf("Read proper response \n");
break; break;
} }
else else if(data != 0) {
{ printf("Sending response %d\n", data+3 );
//print data wiringPiI2CWrite(fd, data+3);
printf("Waiting to send challenge");
} }
printf(" data=%d\n", data);
} }
} }

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