Posted on November 18, 2011 at 14:01I having been having problems getting the I2C to work on an STM8S105K6 in a 32 pin package.
At first I couldn't I couldn't get the start bit to be sent.
Then I realized that I neede to set AFR6 to put I2C onto PB4 and PB5.
I could then send data so this appeared to solve the I2C problem but....
After programming AFR6 with STVD and then switching out of debug mode to make a code change I could no longer connect to the device.
SWIM error [30006] comm init error, chip does not answer.
I tried another board (I shouldn't have), same problem.
This is a real problem as I don't now want to try programming SFR any more as it renders the board unusable.
I think it must be that when I program AFR6 I am also setting something else but AFR6 is the only thing I am changing. I can see nothing else that should cause the problem.
Any Ideas ?
Thanks
#stm8s-stm8s105-swim-i2c-afr
