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I have 4.7 digital pull ups connected, but the thing is, the pins never get to change states in the first place, because I cant get the MCU to set i2c enable registers. SDA and SCL are always LOW.
ATmega16u4 has the same problem, but ATmega328p works fine, TWCR register can be changed and i2c...
Hi mates, I am trying to use i2c with ATmega32u4 in Proteus (version 8.5 SP1) and in my i2c library the following line hangs the MCU:
while(wait && (TWI_MTX == twi_state)){
continue;
}
It never gets past this.
Doing some debugging I verified that TWCR never changes in this model, so...
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