OpenSprinkler Forums OpenSprinkler Mobile and Web App Seconds and minutes

  • This topic has 2 replies, 2 voices, and was last updated 6 years ago by Ray.
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  • #42241

    DaveTheWhiteAsian
    Participant

    Why can I not program seconds AND minutes at the same time? I feel like this is a pretty simple and basic operation. Is there anyway that will be added in any new updates?

    #42261

    DaveTheWhiteAsian
    Participant

    or maybe a good reason why I can’t select both?

    #42300

    Ray
    Keymaster

    You can select seconds up to 59 seconds. The the granularity becomes minutes. The reason for this is to save memory space: because all programmed water times need to be stored in non-volatile memory, and the amount of non-volatile memory is very limited, it’s necessary to find a reasonable compression scheme that uses non-linear scaling to allow a wide range of water times, but at the cost of reduced granularity. In addition, OpenSprinkler firmware supports up to 56 stations and up to 28 programs, so the amount of memory requires to store all the water times can quickly reach the hardware limit. To be honest, most other sprinkler controllers don’t even allow any second-level water time — they all require minutes.

    We are already working to address this in the next firmware, so the limitation should be gone relatively soon.

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OpenSprinkler Forums OpenSprinkler Mobile and Web App Seconds and minutes