{
  "id": "com.bkpt.ble.gatt-1",
  "name": "BLE GATT slots 0 and 1",
  "version": "0.1.0",
  "domain_api": 1,
  "publisher": "BKPT Labs",
  "sampled_state": {
    "rate_hz": 1,
    "channels": [
      {
        "name": "ble.characteristics.0.present",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "present"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.service",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "service"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.declaration",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "declaration"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.value_handle",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "value_handle"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.cccd_handle",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "cccd_handle"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.uuid_type",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "uuid_type"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.properties",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "properties"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.max_length",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "max_length"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.length",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "length"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.captured",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "captured"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.value_origin",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "value_origin"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.cccd",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "cccd"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.writes",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "writes"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery.",
        "counter": "wrapping"
      },
      {
        "name": "ble.characteristics.0.updates",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "updates"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery.",
        "counter": "wrapping"
      },
      {
        "name": "ble.characteristics.0.update_ok",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "update_ok"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery.",
        "counter": "wrapping"
      },
      {
        "name": "ble.characteristics.0.last_status",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "last_status"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.uuid.0",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "uuid"
            },
            {
              "op": "index",
              "index": 0
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.uuid.1",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "uuid"
            },
            {
              "op": "index",
              "index": 1
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.uuid.2",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "uuid"
            },
            {
              "op": "index",
              "index": 2
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.uuid.3",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "uuid"
            },
            {
              "op": "index",
              "index": 3
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.value.0",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "value"
            },
            {
              "op": "index",
              "index": 0
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.value.1",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "value"
            },
            {
              "op": "index",
              "index": 1
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.value.2",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "value"
            },
            {
              "op": "index",
              "index": 2
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.0.value.3",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 0
            },
            {
              "op": "member",
              "name": "value"
            },
            {
              "op": "index",
              "index": 3
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.present",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "present"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.service",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "service"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.declaration",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "declaration"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.value_handle",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "value_handle"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.cccd_handle",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "cccd_handle"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.uuid_type",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "uuid_type"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.properties",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "properties"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.max_length",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "max_length"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.length",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "length"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.captured",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "captured"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.value_origin",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "value_origin"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.cccd",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "cccd"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.writes",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "writes"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery.",
        "counter": "wrapping"
      },
      {
        "name": "ble.characteristics.1.updates",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "updates"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery.",
        "counter": "wrapping"
      },
      {
        "name": "ble.characteristics.1.update_ok",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "update_ok"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery.",
        "counter": "wrapping"
      },
      {
        "name": "ble.characteristics.1.last_status",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "last_status"
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.uuid.0",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "uuid"
            },
            {
              "op": "index",
              "index": 0
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.uuid.1",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "uuid"
            },
            {
              "op": "index",
              "index": 1
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.uuid.2",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "uuid"
            },
            {
              "op": "index",
              "index": 2
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.uuid.3",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "uuid"
            },
            {
              "op": "index",
              "index": 3
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.value.0",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "value"
            },
            {
              "op": "index",
              "index": 0
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.value.1",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "value"
            },
            {
              "op": "index",
              "index": 1
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.value.2",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "value"
            },
            {
              "op": "index",
              "index": 2
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      },
      {
        "name": "ble.characteristics.1.value.3",
        "structured": {
          "symbol": "ble_observer",
          "steps": [
            {
              "op": "member",
              "name": "characteristics"
            },
            {
              "op": "index",
              "index": 1
            },
            {
              "op": "member",
              "name": "value"
            },
            {
              "op": "index",
              "index": 3
            }
          ]
        },
        "ty": "u32",
        "safety": "read-safe",
        "note": "Firmware-retained application observation. Polls may span updates; halt for a consistent snapshot. Not private CPU2 state or proof of radio delivery."
      }
    ]
  },
  "channels": [
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.present"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "names": {
        "0": "No",
        "1": "Yes"
      }
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.service"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.declaration"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.value_handle"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.cccd_handle"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.uuid_type"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "names": {
        "1": "16 bit",
        "2": "128 bit"
      }
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.properties"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.max_length"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.length"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.captured"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.value_origin"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "names": {
        "0": "No observation",
        "1": "Accepted local update",
        "2": "Remote write callback",
        "3": "Offset fragment; not a complete value"
      }
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.cccd"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "names": {
        "0": "Disabled",
        "1": "Notifications",
        "2": "Indications",
        "3": "Notifications and indications"
      }
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.writes"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.updates"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.update_ok"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.last_status"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "names": {
        "0": "Success",
        "89": "Dev in blacklist",
        "90": "Csrk not found",
        "91": "Irk not found",
        "92": "Dev not found",
        "94": "Dev not bonded",
        "96": "Invalid handle",
        "97": "Out of handle",
        "98": "Invalid operation",
        "100": "Insufficient resources",
        "101": "Sec permission error",
        "112": "Address not resolved",
        "130": "No valid slot",
        "131": "Scan window short",
        "132": "New interval failed",
        "133": "Interval too large",
        "134": "Length failed",
        "145": "Failed",
        "146": "Invalid params",
        "147": "Busy",
        "149": "Pending",
        "151": "Error",
        "152": "Out of memory",
        "255": "Timeout",
        "256": "Transport failure",
        "257": "No response status"
      }
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.uuid.0"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.uuid.1"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.uuid.2"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.uuid.3"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.value.0"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.value.1"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.value.2"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.0.value.3"
      },
      "interpolation": "step",
      "group": "Characteristic slot 0",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.present"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "names": {
        "0": "No",
        "1": "Yes"
      }
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.service"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.declaration"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.value_handle"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.cccd_handle"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.uuid_type"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "names": {
        "1": "16 bit",
        "2": "128 bit"
      }
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.properties"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.max_length"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.length"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.captured"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.value_origin"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "names": {
        "0": "No observation",
        "1": "Accepted local update",
        "2": "Remote write callback",
        "3": "Offset fragment; not a complete value"
      }
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.cccd"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "names": {
        "0": "Disabled",
        "1": "Notifications",
        "2": "Indications",
        "3": "Notifications and indications"
      }
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.writes"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.updates"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.update_ok"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.last_status"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "names": {
        "0": "Success",
        "89": "Dev in blacklist",
        "90": "Csrk not found",
        "91": "Irk not found",
        "92": "Dev not found",
        "94": "Dev not bonded",
        "96": "Invalid handle",
        "97": "Out of handle",
        "98": "Invalid operation",
        "100": "Insufficient resources",
        "101": "Sec permission error",
        "112": "Address not resolved",
        "130": "No valid slot",
        "131": "Scan window short",
        "132": "New interval failed",
        "133": "Interval too large",
        "134": "Length failed",
        "145": "Failed",
        "146": "Invalid params",
        "147": "Busy",
        "149": "Pending",
        "151": "Error",
        "152": "Out of memory",
        "255": "Timeout",
        "256": "Transport failure",
        "257": "No response status"
      }
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.uuid.0"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.uuid.1"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.uuid.2"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.uuid.3"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.value.0"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.value.1"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.value.2"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "display": "register"
    },
    {
      "match": {
        "ns": "poll",
        "name": "ble.characteristics.1.value.3"
      },
      "interpolation": "step",
      "group": "Characteristic slot 1",
      "display": "register"
    }
  ],
  "derived": [
    {
      "type": "field",
      "name": "ble.characteristics.0.property.1",
      "source": "ble.characteristics.0.properties",
      "shift": 1,
      "mask": "0x1",
      "values": {
        "0": "No",
        "1": "Yes"
      }
    },
    {
      "type": "field",
      "name": "ble.characteristics.0.property.2",
      "source": "ble.characteristics.0.properties",
      "shift": 2,
      "mask": "0x1",
      "values": {
        "0": "No",
        "1": "Yes"
      }
    },
    {
      "type": "field",
      "name": "ble.characteristics.0.property.3",
      "source": "ble.characteristics.0.properties",
      "shift": 3,
      "mask": "0x1",
      "values": {
        "0": "No",
        "1": "Yes"
      }
    },
    {
      "type": "field",
      "name": "ble.characteristics.0.property.4",
      "source": "ble.characteristics.0.properties",
      "shift": 4,
      "mask": "0x1",
      "values": {
        "0": "No",
        "1": "Yes"
      }
    },
    {
      "type": "field",
      "name": "ble.characteristics.0.property.5",
      "source": "ble.characteristics.0.properties",
      "shift": 5,
      "mask": "0x1",
      "values": {
        "0": "No",
        "1": "Yes"
      }
    },
    {
      "type": "field",
      "name": "ble.characteristics.1.property.1",
      "source": "ble.characteristics.1.properties",
      "shift": 1,
      "mask": "0x1",
      "values": {
        "0": "No",
        "1": "Yes"
      }
    },
    {
      "type": "field",
      "name": "ble.characteristics.1.property.2",
      "source": "ble.characteristics.1.properties",
      "shift": 2,
      "mask": "0x1",
      "values": {
        "0": "No",
        "1": "Yes"
      }
    },
    {
      "type": "field",
      "name": "ble.characteristics.1.property.3",
      "source": "ble.characteristics.1.properties",
      "shift": 3,
      "mask": "0x1",
      "values": {
        "0": "No",
        "1": "Yes"
      }
    },
    {
      "type": "field",
      "name": "ble.characteristics.1.property.4",
      "source": "ble.characteristics.1.properties",
      "shift": 4,
      "mask": "0x1",
      "values": {
        "0": "No",
        "1": "Yes"
      }
    },
    {
      "type": "field",
      "name": "ble.characteristics.1.property.5",
      "source": "ble.characteristics.1.properties",
      "shift": 5,
      "mask": "0x1",
      "values": {
        "0": "No",
        "1": "Yes"
      }
    }
  ],
  "verdicts": [],
  "presentation": {
    "sections": [
      {
        "title": "Characteristic slot 0",
        "view": "table",
        "description": "Present=0 means unused. Handles, UUIDs and properties come from successful registration. Value origin=0 means no observed value. Payload is the retained 16-byte prefix in four little-endian words. Values and counters are application observations; update success does not prove client receipt. CCCD is for the single current connection.",
        "fields": [
          {
            "channel": "ble.characteristics.0.present",
            "label": "Present"
          },
          {
            "channel": "ble.characteristics.0.service",
            "label": "Parent service handle"
          },
          {
            "channel": "ble.characteristics.0.declaration",
            "label": "Characteristic declaration handle",
            "group": [
              "Identity"
            ]
          },
          {
            "channel": "ble.characteristics.0.value_handle",
            "label": "Value handle",
            "group": [
              "Identity"
            ]
          },
          {
            "channel": "ble.characteristics.0.cccd_handle",
            "label": "CCCD handle (0 = none)",
            "group": [
              "Identity"
            ]
          },
          {
            "channel": "ble.characteristics.0.uuid_type",
            "label": "UUID type",
            "group": [
              "Identity"
            ]
          },
          {
            "channel": "ble.characteristics.0.properties",
            "label": "Property bitmask",
            "group": [
              "Properties"
            ]
          },
          {
            "channel": "ble.characteristics.0.max_length",
            "label": "Maximum value bytes",
            "group": [
              "Value"
            ]
          },
          {
            "channel": "ble.characteristics.0.length",
            "label": "Last observed payload bytes",
            "group": [
              "Value"
            ]
          },
          {
            "channel": "ble.characteristics.0.captured",
            "label": "Retained prefix bytes",
            "group": [
              "Value"
            ]
          },
          {
            "channel": "ble.characteristics.0.value_origin",
            "label": "Value source",
            "group": [
              "Value"
            ]
          },
          {
            "channel": "ble.characteristics.0.cccd",
            "label": "Client subscription",
            "group": [
              "Subscription"
            ]
          },
          {
            "channel": "ble.characteristics.0.writes",
            "label": "Remote value writes observed",
            "group": [
              "Activity"
            ]
          },
          {
            "channel": "ble.characteristics.0.updates",
            "label": "Local update requests",
            "group": [
              "Activity"
            ]
          },
          {
            "channel": "ble.characteristics.0.update_ok",
            "label": "Local updates accepted",
            "group": [
              "Activity"
            ]
          },
          {
            "channel": "ble.characteristics.0.last_status",
            "label": "Last local update status",
            "group": [
              "Activity"
            ]
          },
          {
            "channel": "ble.characteristics.0.uuid.0",
            "label": "UUID word 0 (least-significant first)",
            "group": [
              "Identity",
              "UUID"
            ]
          },
          {
            "channel": "ble.characteristics.0.uuid.1",
            "label": "UUID word 1 (least-significant first)",
            "group": [
              "Identity",
              "UUID"
            ]
          },
          {
            "channel": "ble.characteristics.0.uuid.2",
            "label": "UUID word 2 (least-significant first)",
            "group": [
              "Identity",
              "UUID"
            ]
          },
          {
            "channel": "ble.characteristics.0.uuid.3",
            "label": "UUID word 3 (least-significant first)",
            "group": [
              "Identity",
              "UUID"
            ]
          },
          {
            "channel": "ble.characteristics.0.value.0",
            "label": "Payload bytes 0-3 (little-endian word)",
            "group": [
              "Value",
              "Payload"
            ]
          },
          {
            "channel": "ble.characteristics.0.value.1",
            "label": "Payload bytes 4-7 (little-endian word)",
            "group": [
              "Value",
              "Payload"
            ]
          },
          {
            "channel": "ble.characteristics.0.value.2",
            "label": "Payload bytes 8-11 (little-endian word)",
            "group": [
              "Value",
              "Payload"
            ]
          },
          {
            "channel": "ble.characteristics.0.value.3",
            "label": "Payload bytes 12-15 (little-endian word)",
            "group": [
              "Value",
              "Payload"
            ]
          },
          {
            "channel": "ble.characteristics.0.property.1",
            "label": "Readable",
            "group": [
              "Properties"
            ]
          },
          {
            "channel": "ble.characteristics.0.property.2",
            "label": "Write without response",
            "group": [
              "Properties"
            ]
          },
          {
            "channel": "ble.characteristics.0.property.3",
            "label": "Write with response",
            "group": [
              "Properties"
            ]
          },
          {
            "channel": "ble.characteristics.0.property.4",
            "label": "Notifiable",
            "group": [
              "Properties"
            ]
          },
          {
            "channel": "ble.characteristics.0.property.5",
            "label": "Indicatable",
            "group": [
              "Properties"
            ]
          }
        ]
      },
      {
        "title": "Characteristic slot 1",
        "view": "table",
        "description": "Present=0 means unused. Handles, UUIDs and properties come from successful registration. Value origin=0 means no observed value. Payload is the retained 16-byte prefix in four little-endian words. Values and counters are application observations; update success does not prove client receipt. CCCD is for the single current connection.",
        "fields": [
          {
            "channel": "ble.characteristics.1.present",
            "label": "Present"
          },
          {
            "channel": "ble.characteristics.1.service",
            "label": "Parent service handle"
          },
          {
            "channel": "ble.characteristics.1.declaration",
            "label": "Characteristic declaration handle",
            "group": [
              "Identity"
            ]
          },
          {
            "channel": "ble.characteristics.1.value_handle",
            "label": "Value handle",
            "group": [
              "Identity"
            ]
          },
          {
            "channel": "ble.characteristics.1.cccd_handle",
            "label": "CCCD handle (0 = none)",
            "group": [
              "Identity"
            ]
          },
          {
            "channel": "ble.characteristics.1.uuid_type",
            "label": "UUID type",
            "group": [
              "Identity"
            ]
          },
          {
            "channel": "ble.characteristics.1.properties",
            "label": "Property bitmask",
            "group": [
              "Properties"
            ]
          },
          {
            "channel": "ble.characteristics.1.max_length",
            "label": "Maximum value bytes",
            "group": [
              "Value"
            ]
          },
          {
            "channel": "ble.characteristics.1.length",
            "label": "Last observed payload bytes",
            "group": [
              "Value"
            ]
          },
          {
            "channel": "ble.characteristics.1.captured",
            "label": "Retained prefix bytes",
            "group": [
              "Value"
            ]
          },
          {
            "channel": "ble.characteristics.1.value_origin",
            "label": "Value source",
            "group": [
              "Value"
            ]
          },
          {
            "channel": "ble.characteristics.1.cccd",
            "label": "Client subscription",
            "group": [
              "Subscription"
            ]
          },
          {
            "channel": "ble.characteristics.1.writes",
            "label": "Remote value writes observed",
            "group": [
              "Activity"
            ]
          },
          {
            "channel": "ble.characteristics.1.updates",
            "label": "Local update requests",
            "group": [
              "Activity"
            ]
          },
          {
            "channel": "ble.characteristics.1.update_ok",
            "label": "Local updates accepted",
            "group": [
              "Activity"
            ]
          },
          {
            "channel": "ble.characteristics.1.last_status",
            "label": "Last local update status",
            "group": [
              "Activity"
            ]
          },
          {
            "channel": "ble.characteristics.1.uuid.0",
            "label": "UUID word 0 (least-significant first)",
            "group": [
              "Identity",
              "UUID"
            ]
          },
          {
            "channel": "ble.characteristics.1.uuid.1",
            "label": "UUID word 1 (least-significant first)",
            "group": [
              "Identity",
              "UUID"
            ]
          },
          {
            "channel": "ble.characteristics.1.uuid.2",
            "label": "UUID word 2 (least-significant first)",
            "group": [
              "Identity",
              "UUID"
            ]
          },
          {
            "channel": "ble.characteristics.1.uuid.3",
            "label": "UUID word 3 (least-significant first)",
            "group": [
              "Identity",
              "UUID"
            ]
          },
          {
            "channel": "ble.characteristics.1.value.0",
            "label": "Payload bytes 0-3 (little-endian word)",
            "group": [
              "Value",
              "Payload"
            ]
          },
          {
            "channel": "ble.characteristics.1.value.1",
            "label": "Payload bytes 4-7 (little-endian word)",
            "group": [
              "Value",
              "Payload"
            ]
          },
          {
            "channel": "ble.characteristics.1.value.2",
            "label": "Payload bytes 8-11 (little-endian word)",
            "group": [
              "Value",
              "Payload"
            ]
          },
          {
            "channel": "ble.characteristics.1.value.3",
            "label": "Payload bytes 12-15 (little-endian word)",
            "group": [
              "Value",
              "Payload"
            ]
          },
          {
            "channel": "ble.characteristics.1.property.1",
            "label": "Readable",
            "group": [
              "Properties"
            ]
          },
          {
            "channel": "ble.characteristics.1.property.2",
            "label": "Write without response",
            "group": [
              "Properties"
            ]
          },
          {
            "channel": "ble.characteristics.1.property.3",
            "label": "Write with response",
            "group": [
              "Properties"
            ]
          },
          {
            "channel": "ble.characteristics.1.property.4",
            "label": "Notifiable",
            "group": [
              "Properties"
            ]
          },
          {
            "channel": "ble.characteristics.1.property.5",
            "label": "Indicatable",
            "group": [
              "Properties"
            ]
          }
        ]
      }
    ]
  }
}