Guru
Joined: 05/03/2018
Location: NetherlandsPosts: 6171
| Posted: 12:27pm 08 May 2025 |
Hi Lyle,
This is on a unit that does not have WII Classic connected.
I used a small program to read the EEPROM on the RTC board, fast enough so there is not enough time to squeeze a AUTO RTC update in between the gap. Just to verify if RTC read would corrupt the constant data transfer to the EEPROM. I had to wait for 1 hour, but then the (AUTO) RTC read happened.
The RCT command is simply embedded in the constant stream of I2C reads, and the details show that no corruption of the transfer takes place. That is good. MMBasic I2C transfer and RTC updates do not corrupt each other.
That does not give any guarantee for the timed interupt driven WII Classic polling, but this shows the AUTO RTC implementation is sound.
Volhout
Edited 2025-05-08 23:32 by Volhout