fga-eps-mds/2019.1-unbrake

package main

import (
    "log"
)

func isCorrectDevice() bool {

    var out = true

    firmware := "Braketestbench"
    const lineEnd = 1

    n := 0
    var err error
    buf := make([]byte, bufferSize)

    port.Flush()
    for i := 0; i < 5 && n < len(firmware); i++ {
        n = port.Write([]byte(" "))
        if n == -1 {
            log.Println("Error writing to serial")
            out = false
        }

        n, err = port.Read(buf)

    }

    if err != nil {
        log.Println("Error reading from serial ", err)
        out = false
    } else if n == 0 {
        log.Println("Error reading from serial: timeout waiting for bytes")
        out = false
    }

    buf = buf[lineEnd:len(firmware)]

    if string(buf) != firmware[:len(buf)] {
        log.Println("Wrong serial port selected")
        out = false
    }

    return out
}