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It Works!
...well sort of.
After realising that my injectors are positively switched, dcb's suggestion of swapping RISING and FALLING in the code, at least gets me sensible data for injection timing.
In addition I have reduced the voltage of the injector signal to 3V peak, with a potential divider.
I still have not managed to implement my common rail pressure adjustment, some work is needed on the bench to find out what's wrong there. At the moment it's all commented out.
So at present I have a device that works well at low speeds. At high engine or road speeds, where the pressure makes a significant difference the amount of fuel injected, things are not so good; I get the same mpg at 60mph or 80mph!
I have found that coasting out of gear is better than coasting in top gear, at least according to hdiguido based on v0.70...
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