Attiny 3217 Dont work with I2C #292
Description
Hi, at this moment i am trying to play and understand this Tinny core world, thanks Spence to allow it to work with arduino.
Currently now i am testing it on the I2C bus, but a strange behaivour happends, when i start a Wire Transmission the CPU get stucked.
To understand that it get stucks i am using a led blinky as debug.
The board i am using its a Curiosity Nano, as it was one i have already buyed.
Any help will be appreciate, as i really dont understand why its it happening. Does somebody test it on the 3217?¿.
#include <Wire.h>
void setup()
{
Wire.swap(0);
Wire.begin();
Serial.begin(9600);
while (!Serial); // wait for serial monitor
Serial.println("I2C Scanner");
}
void loop()
{
byte error, address;
int nDevices;
Serial.println("Scanning...");
nDevices = 0;
for(address = 1; address < 127; address++ )
{
// The i2c_scanner uses the return value of
// the Write.endTransmisstion to see if
// a device did acknowledge to the address.
Wire.beginTransmission(address);
error = Wire.endTransmission();
if (error == 0)
{
Serial.print("I2C device found at address 0x");
if (address<16)
Serial.print("0");
Serial.print(address,HEX);
Serial.println(" !");
nDevices++;
}
else if (error==4)
{
Serial.print("Unknown error at address 0x");
if (address<16)
Serial.print("0");
Serial.println(address,HEX);
}
}
if (nDevices == 0)
Serial.println("No I2C devices found");
else
Serial.println("done");
delay(5000); // wait 5 seconds for next scan
}
Regards, Carlos.