## YAML Template.
##---
$schema: http://json-schema.org/draft-04/schema#
id: "/request/measure/echo"
description: "It measures pulse response."
related: "/response/measure/echo"

type: object
required: [echo]
properties:
  echo:
    type: object
    required: [io_pulse, io_echo, pulse_width]
    properties:
      io_pulse: {$ref: "/pinSetting"}
      io_echo: {$ref: "/pinSetting"}
      pulse:
        type: string
        default: positive
        enum:
          - positive
          - negative

      pulse_width:
        type: number
        minimum: 0.001
        maximum: 1000


      measure_edges:
        type: integer
        minimum: 1
        maximum: 4

      timeout:
        type: number
        default: 1000
        minimum: 0.001
        maximum: 1000