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Message: [QUOTE="Charles, post: 1316090, member: 103"] It looks like you're calling a subroutine that's off-screen of that shot to actually do the dirty work of running FDCS and CID in that main routine. Do you actually know the relationship between CID and FDCS in order to correctly drive the IDM? Or is that a sub-routine that others have actually written for that board you are using? Bascially, that is the only part that will, or will not allow this to run. The IDM has to accept your communication link. Depending on the chipset used, this can sometimes become an issue, but surely by now even a 5 dollar chip is fast enough. Explain the communications protocol between PCM and IDM in terms of what actually happens to FDCS and CID as the engine advances through say, just before cylinder 1 until just after cylinder 4. Then everyone will know if you need help, or if you've got it handled. It's very straight-forward, it just requires some decent precision compared to what we're normally used to if you're real job isn't electronics software engineer, lol. The IDM has a short window, outside of which it will reject your signal. The second time it will reject your signal happens at elevated rpm, where your FDCS will get "stacked" for lack of a better word. This will be of no matter for a flowbench program though, you should not be at that range, except for testing refill possibly. On Edit: And I would forget doing this without a scope to debug with. Do not expect to use an IDM as a debugging tool. Too many reasons why it would never fire. You need to see your signals, because don't forget..... it takes your chipset TIME to turn around and execute a command. Time that you have to account for. [/QUOTE]

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