finally perfect ble-io controls for esp32 bot

controls_ble-io.esp32.json

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prevPow, prevDir;\nreturn flow.get('dir')\n  .then((pd) => {\n      prevDir = pd;\n      return flow.get('pow');\n  })\n  .then((pp) => {\n    prevPow = pp;\n    console.log('pp', prevPow, 'pd', prevDir);\n    const a = msg.payload.axes || [0,0];\n    const b = msg.payload.buttons || [{}, {}];\n    \n    if(a[1] === -1) {\n        msg.dir = 'f';\n    }\n    else if(a[1] === 1) {\n        msg.dir = 'b';\n    }\n    else if(a[0] === -1) {\n        msg.dir = 'l';\n    }\n    else if(a[0] === 1) {\n        msg.dir = 'r';\n    }\n    else {\n        msg.dir = 's';\n    }\n    \n    if(msg.dir === 's') {\n        msg.power = 0;\n    }\n    else if(b[0].value) {\n        msg.power = 1;\n    }\n    else if(b[1].value) {\n        msg.power = 2;\n    }\n    else{\n        msg.power = 0;\n    }\n    return msg;\n  })\n  .then(() => {\n    return flow.set('pow', msg.power);\n  })\n  .then(() => {\n    return flow.set('dir', msg.dir);\n  })\n  .then(() => {\n    if((prevPow !== msg.power) || (prevDir !== msg.dir)){\n        return [msg, null];\n    }\n    return [null, msg];\n  });","outputs":"2","noerr":0,"x":145.5,"y":651,"wires":[["8U78x5WuN_Y","SS7zssP24Uo","lvrrumtod3g"],[]]},{"id":"8U78x5WuN_Y","type":"switch","z":"UFiUzfL0xVA","name":"","property":"dir","propertyType":"msg","rules":[{"t":"eq","v":"f","vt":"str"},{"t":"eq","v":"b","vt":"str"},{"t":"eq","v":"l","vt":"str"},{"t":"eq","v":"r","vt":"str"},{"t":"else"}],"checkall":"true","outputs":5,"x":281,"y":515,"wires":[["3G19J9pm8kg"],["Vy_DQgVO6Tg"],["ABJ-PXjp8L8"],["s1Vjl8NOHVM"],["in0eScdUR_o"]]},{"id":"SS7zssP24Uo","type":"switch","z":"UFiUzfL0xVA","name":"","property":"power","propertyType":"msg","rules":[{"t":"eq","v":"1","vt":"num"},{"t":"eq","v":"2","vt":"num"},{"t":"else"}],"checkall":"true","outputs":3,"x":337,"y":614,"wires":[["m3dKjykASr8"],["tVJtHjltcWw"],["in0eScdUR_o"]]},{"id":"lvrrumtod3g","type":"change","z":"UFiUzfL0xVA","name":"","rules":[{"t":"delete","p":"payload","pt":"msg"}],"action":"","property":"","from":"","to":"","reg":false,"x":320,"y":734,"wires":[["aTttzrIqa_c"]]}]