{"id":3716,"date":"2025-04-21T08:16:05","date_gmt":"2025-04-21T08:16:05","guid":{"rendered":"https:\/\/webprojects.cloud\/wordpress\/splatco\/?post_type=spl_knowledgebase&p=3716"},"modified":"2025-06-10T06:40:40","modified_gmt":"2025-06-10T06:40:40","slug":"splogger-programming-the-splat-board","status":"publish","type":"spl_knowledgebase","link":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/support-resources\/splogger-data-logging-application\/splogger-splat-data-logging-utility\/splogger-programming-the-splat-board\/","title":{"rendered":"SPLogger: Programming the SPLat board"},"content":{"rendered":"\n

Programming the SPLat board to work with SPLogger can range from no extra effort, through to a few basic provisions up to creating a moderately sophisticated program.<\/p>\n\n\n\n

The minimum consideration you should give to “SPLogging” is to concentrate the data you wish to log into a tight group of\u00a0RAM<\/a>\u00a0locations. The SPLatLink protocol can only extract 16 bytes of\u00a0contiguous\u00a0<\/em>RAM in one message, so the more spread out the RAM locations you are monitoring, the slower it will become.<\/p>\n\n\n\n

Here’s the quick and dirty SPLat program I used for testing SPLogger in an\u00a0MMi99<\/a>\u00a0with LCD. It tags all of RAM with its own address. Then it maintains an integer in 1 and a floating point number in 2-5, allowing both to be modified from the MMi99 front panel. Location 0 is used as a trigger by being incremented every second.<\/p>\n\n\n\n

      LoadI<\/a>\t128\t\t;Fill all RAM with its own address
Fill
      DecI<\/a>
      ItoX<\/a>
      Push<\/a>
      iStore<\/a>\t
      GoIfNZ<\/a>      Fill
      fLoadW<\/a>      3.1415926    ;Set a floating point number
      fStore<\/a>      2\t

Display
      OBLCD_SetCur<\/a>  0,0
      Recall<\/a>      1
      OBLCD_HexDispX<\/a>          ;Display RAM(1)
      fRecallW<\/a>    2
      OBLCD_fDispW<\/a>  9,5       ;Display RAM(2) floating point

Loop
      GoIfInK<\/a>     12,Up       ;Count up integer?
      GoIfInK     11,Dn       ;Count down integer?
      GoIfInK     9,UpFP      ;Increment FP?
      GoIfInK     8,DnFP      ;Decrement FP?
      Test<\/a>        0           ;Time for a trigger?
      GoIfT<\/a>       Loop        ;No

;Trigger
      IncM<\/a>        0           ;Trigger SPLogger
      SetTimer<\/a>    0,10
      GoTo<\/a>        Loop

;Increase FP
UpFP
      fRecallW    2
      fLoadQ      1.1111111
      fMul
      fStore      2
      GoTo        Display

;Decrease FP
DnFP
      fRecallW    2
      fLoadQ<\/a>      0.9
      fMul<\/a>
      fStore<\/a>        2
      GoTo        Display

;Count up integer
Up
      IncM<\/a>        1
      GoTo        Display

;Count down integer
Dn
      DecM<\/a>        1
      GoTo        Display<\/pre>\n","protected":false},"excerpt":{"rendered":"
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