Shearwater: Add Stack Timer Information. #61
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Nice. I Just started 3 days ago looking into the data for these values! 👍 |
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Are you certain that these values are unsigned? Have you looked at these values when you go over your configured stack time? I'm reasonably certain that I've seen stack-time gone negative on the computer when you've exceeded your configured stack time. I think I might have some such values in my computer and I'll play around with this later this week. |
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Ok, I actually got around to look at this tonight. Time remaining is just 0 when you've gone over your configured stack time. I haven't manage to view this data either on the computer or in the shearwater app. It's probably to new feature for them to have implemented it. The only thing I can think of is that the key strings are quite long. I'm not sure if describing the format "[hh:mm:ss]" is necessary, and the "stack run time" is longer than the name shearwater uses, which is just "stack time". I'd vote for "Configured stack time", "Stack time at start" and "Stack time at end". |
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Thanks for checking the 'going negative' part. Re Extra Info Key names, there is a lot of space in the Extra Info tab, and the density of information displayed there is relatively low compared to other tabs, so I figure we may as well use it for key names. But I'll have a think about changing the names.
I also think it pays to be concise and add units to values that are returned, and getting a 'xx:yy' value returned (which is how this started out before I discovered that Shearwater is logging seconds for the stack run time), and not knowing if this is hh:mm or mm:ss is one annoying thing that you run into if there is no conciseness about units. |
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I ended up going for 'Configured stack time', 'Remaining stack time at start', and 'Remaining stack time at end', as to me 'xxx time' seems to imply that this is a dimension that is counting up, whereas 'remaining xxx time' clarifies that it is counting down. |
src/shearwater_predator_parser.c
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| if (logversion >= 11) { | ||
| if (stack_time_total_s > 0) { | ||
| stack_time_remaining_s = array_uint16_be(data + offset + 3); | ||
| dc_field_add_string_fmt(&parser->cache, "Remaining stack time at end [hh:mm]", "%d:%02d:%02d", stack_time_remaining_s / 3600, (stack_time_remaining_s / 60) % 60, stack_time_remaining_s % 60); |
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Shouldn't this be hh:mm:ss as the others?
Add the configured stack run time and the remaining stack run time at the start and end of the dive as extra information. Signed-off-by: Michael Keller <[email protected]>
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Add the configured stack run time and the remaining stack run time at the start and end of the dive as extra information.