{
  "id": "z27ag-captures",
  "version": 1,
  "title": "Z27AG decoding captures",
  "about": "docs/impl/plans/Z27AG-CAPTURES.md",
  "mark_format": "<step> <action>[ #<n>] start|end for a span, <step> <action>[ #<n>] for a point",
  "sections": [
    {
      "title": "Parked, ignition on, engine off",
      "steps": [
        {
          "id": "1",
          "title": "Baseline",
          "do": "Touch nothing.",
          "finds": "the resting value of everything",
          "actions": [{ "label": "baseline", "hold_s": 20 }]
        },
        {
          "id": "2",
          "title": "Accelerator",
          "do": "Slowly to the floor over 5 s, hold 3 s, slowly back. Start as the foot moves, end when it is off.",
          "finds": "pedal position, with no rpm to confuse it",
          "actions": [{ "label": "accel" }]
        },
        {
          "id": "3",
          "title": "Brake",
          "do": "Start as you press, hold 3 s, end as you release.",
          "finds": "brake switch, maybe pressure",
          "actions": [{ "label": "brake", "hold_s": 3, "repeat": 3 }]
        },
        {
          "id": "4",
          "title": "Clutch",
          "do": "Start as you press, hold 3 s, end as you release.",
          "finds": "clutch switch",
          "actions": [{ "label": "clutch", "hold_s": 3, "repeat": 3 }]
        },
        {
          "id": "5",
          "title": "Steering",
          "do": "Centre, full left, full right, back to centre, slowly.",
          "finds": "steering angle",
          "actions": [{ "label": "steer" }]
        },
        {
          "id": "6",
          "title": "Gears",
          "do": "Start when the gear is in, end as you take it out. Clutch down throughout.",
          "finds": "reverse (likely as the reverse light); no other gearbox signal expected",
          "actions": [
            { "label": "gear 1", "hold_s": 3 },
            { "label": "gear 2", "hold_s": 3 },
            { "label": "gear 3", "hold_s": 3 },
            { "label": "gear 4", "hold_s": 3 },
            { "label": "gear 5", "hold_s": 3 },
            { "label": "gear R", "hold_s": 3 },
            { "label": "neutral", "hold_s": 3 }
          ]
        },
        {
          "id": "7",
          "title": "Handbrake",
          "do": "Start as you pull it up, end as you release it.",
          "finds": "handbrake switch",
          "actions": [{ "label": "handbrake", "hold_s": 3, "repeat": 2 }]
        },
        {
          "id": "8",
          "title": "Indicators",
          "do": "Start when switched on, end when off.",
          "finds": "indicator states",
          "actions": [
            { "label": "left", "hold_s": 5 },
            { "label": "right", "hold_s": 5 },
            { "label": "hazard", "hold_s": 5 }
          ]
        },
        {
          "id": "9",
          "title": "Lights",
          "do": "Start when switched on, end when off.",
          "finds": "light states",
          "actions": [
            { "label": "side lights", "hold_s": 3 },
            { "label": "dipped", "hold_s": 3 },
            { "label": "main beam", "hold_s": 3 },
            { "label": "flash", "point": true },
            { "label": "front fogs", "hold_s": 3 },
            { "label": "rear fog", "hold_s": 3 }
          ]
        },
        {
          "id": "10",
          "title": "Doors",
          "do": "Start as it opens, end when it is shut. Skip what the car does not have.",
          "finds": "door switches",
          "actions": [
            { "label": "driver door" },
            { "label": "passenger door" },
            { "label": "rear left door" },
            { "label": "rear right door" },
            { "label": "boot" },
            { "label": "bonnet" }
          ]
        },
        {
          "id": "11",
          "title": "Wipers",
          "do": "Start when switched on, end when off.",
          "finds": "wiper states",
          "actions": [
            { "label": "wipers int", "hold_s": 5 },
            { "label": "wipers low", "hold_s": 5 },
            { "label": "wipers high", "hold_s": 5 },
            { "label": "washer" }
          ]
        },
        {
          "id": "12",
          "title": "A/C and blower",
          "do": "A/C: start on, end off. Blower: start as you turn it up, end when it is back down.",
          "finds": "A/C request, blower",
          "actions": [
            { "label": "ac", "hold_s": 5 },
            { "label": "blower" }
          ]
        },
        {
          "id": "13",
          "title": "Seatbelt",
          "do": "Start as it clicks in, end as it comes out.",
          "finds": "belt switch",
          "actions": [{ "label": "belt", "hold_s": 3 }]
        }
      ]
    },
    {
      "title": "Engine running, parked",
      "steps": [
        {
          "id": "14",
          "title": "Engine start",
          "do": "Cold start if possible: mark as the starter turns, then idle 60 s.",
          "finds": "starting, coolant and oil warming, idle control",
          "actions": [
            { "label": "engine start", "point": true },
            { "label": "idle", "hold_s": 60 }
          ]
        },
        {
          "id": "15",
          "title": "Revs",
          "do": "Start when the revs are steady at the target, end as you leave it.",
          "finds": "engine speed against OBD rpm, throttle against pedal",
          "actions": [
            { "label": "rpm 1500", "hold_s": 5 },
            { "label": "rpm 2000", "hold_s": 5 },
            { "label": "rpm 3000", "hold_s": 5 }
          ]
        },
        {
          "id": "16",
          "title": "Blips",
          "do": "Three sharp blips of the throttle.",
          "finds": "response timing of throttle, rpm, pressure",
          "actions": [{ "label": "blips" }]
        },
        {
          "id": "17",
          "title": "A/C under load",
          "do": "A/C on for 20 s, then off.",
          "finds": "compressor clutch, idle-up",
          "actions": [{ "label": "ac", "hold_s": 20 }]
        },
        {
          "id": "18",
          "title": "Radiator fan",
          "do": "Idle until the fan cuts in, if it will; mark when you hear it.",
          "finds": "fan state, coolant threshold",
          "actions": [{ "label": "fan", "point": true }]
        }
      ]
    },
    {
      "title": "Driving (a passenger presses, or skip the marks)",
      "steps": [
        {
          "id": "19",
          "title": "Steady speeds",
          "do": "Where safe, hold each speed 10 s.",
          "finds": "road and wheel speeds against OBD and GNSS speed",
          "actions": [
            { "label": "steady 20", "hold_s": 10 },
            { "label": "steady 40", "hold_s": 10 },
            { "label": "steady 60", "hold_s": 10 }
          ]
        },
        {
          "id": "20",
          "title": "Stops",
          "do": "Start as you brake, end when stopped.",
          "finds": "brake pressure, deceleration",
          "actions": [
            { "label": "gentle stop" },
            { "label": "firm stop" }
          ]
        },
        {
          "id": "21",
          "title": "Corners",
          "do": "A few corners each way.",
          "finds": "yaw, lateral g, wheel speed differences",
          "actions": [{ "label": "corners" }]
        },
        {
          "id": "22",
          "title": "Through the box",
          "do": "Each gear in turn.",
          "finds": "gear from rpm / speed",
          "actions": [{ "label": "gears" }]
        }
      ]
    }
  ]
}