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Hi,
Having a little problem with Timer_0,

If I set it up as
setup_timer_0(T0_INTERNAL | T0_DIV_1024 | T0_8_BIT);
and enabled the interrupt and it works fine, however if i change it to ...

A very big thankyou ! I found a supply issue on the track going to the pull-ups.

Many thanks for the help on this.

Before I go totally out of my mind, have I now got this correct? as it still fails at the same point, I can track it all the way through loading the array to it do ...

I missed the word 'nothing' out of the previous message.

Point taken, but the reality is there is nothing showing up on the i2c protocol analyser, not even a 'start' transition, so I doubt it is ge ...

Point taken, but the reality is there is showing up on the i2c protocol analyser, not even a 'start' transition, so I doubt it is getting that far. When you run the code under debug it stops in a tigh ...

In case it is silly error my part I have attached the source for the piece of test code that I have been using to get the i2c running. This part of the project was written 10 years ago using Microchip ...

I have just compiled it with exactly the same #use line and get the following assembler. The first part replicates yours, but then there is a second part, if that gives you any clue ????

Compiler 5 ...

Many thanks,
I will have a look at this and see where it gets me.

Yes, they are both high. The compiler version is 5.107, updated it a couple of days a go to make sure I had the latest version.

The bit that bothers me is that this seems to be at the point where i ...

Yes, pull-ups are on the board. and the commands are 'transfer' rather than 'start' ..... 'stop'. The old MSSP struff has worked well for years on this product, but had to redesign for the customer as ...

Hi,
I am trying to get the hardware I2C master working on the K42,

#pin_select SDA1OUT=PIN_C4
#pin_select SDA1IN=PIN_C4

#pin_select SCL1OUT=PIN_C3
#pin_select SCL1IN=PIN_C3

#use delay( ...