Ibit Line Tracing and Check Sensor from P1 and P2

let R = 0
let L = 0
let RefR = 0
let RefL = 0
function adc1()  {
    basic.showNumber(pins.analogReadPin(AnalogPin.P1))
}
input.onButtonPressed(Button.A, () => {
    adc1()
})
function adc2()  {
    basic.showNumber(pins.analogReadPin(AnalogPin.P2))
}
input.onButtonPressed(Button.B, () => {
    adc2()
})
function Run()  {
    while (true) {
        L = pins.analogReadPin(AnalogPin.P1)
        R = pins.analogReadPin(AnalogPin.P2)
        if (L > RefL && R > RefR) {
            iBIT.Motor(ibitMotor.Forward, 100)
        } else if (L < RefL && R > RefR) {
            iBIT.setMotor(ibitMotorCH.M1, ibitMotor.Forward, 20)
            iBIT.setMotor(ibitMotorCH.M2, ibitMotor.Forward, 80)
        } else if (L > RefL && R < RefR) {
            iBIT.setMotor(ibitMotorCH.M1, ibitMotor.Forward, 80)
            iBIT.setMotor(ibitMotorCH.M2, ibitMotor.Forward, 20)
        }
    }
}
input.onButtonPressed(Button.AB, () => {
    Run()
})
RefL = 150
RefR = 120