gqgmc.go

//
// gqgmc.go
// Copyright (C) 2017 kevin <kevin@phrye.com>
//
// Distributed under terms of the GPL license.
//

package geiger

import (
	"encoding/binary"
	"encoding/hex"
	"errors"
	"fmt"
	"strconv"
	"sync"
	"time"

	"github.com/go-restruct/restruct"
	"github.com/tarm/serial"
)

// The Ideal and Low voltage threshholds
const (
	VoltageIdeal  = 98
	VoltageTooLow = 75
)

const (
	cmdGetSerial    = "<GETSERIAL>>"    // GMC-280, GMC-300 Re.2.11
	cmdGetVersion   = "<GETVER>>"       // GMC-280, GMC-300 Re.2.0x, Re.2.10
	cmdGetVoltage   = "<GETVOLT>>"      // GMC-280, GMC-300 Re.2.0x, Re.2.10
	cmdGetCPM       = "<GETCPM>>"       // GMC-280, GMC-300 Re.2.0x, Re.2.10
	cmdGetCPS       = "<GETCPS>>"       // GMC-280, GMC-300 Re.2.0x, Re.2.10
	cmdGetCfg       = "<GETCFG>>"       // GMC-280, GMC-300 Re.2.10
	cmdEraseCfg     = "<ECFG>>"         // GMC-280, GMC-300 Re.2.10
	cmdUpdateCfg    = "<CFGUPDATE>>"    // GMC-280, GMC-300 Re.2.20
	cmdTurnOnCPS    = "<HEARTBEAT1>>"   // GMC-280, GMC-300 Re.2.10
	cmdTurnOffCPS   = "<HEARTBEAT0>>"   // Re.2.10
	cmdTurnOffPwr   = "<POWEROFF>>"     // GMC-280, GMC-300 Re.2.11
	cmdTurnOnPwr    = "<POWERON>>"      // GMC-280, GMC-300 Re.3.10
	cmdFactoryReset = "<FACTORYRESET>>" // GMC-280, GMC-300 Re.3.00
	cmdReboot       = "<REBOOT>>"       // GMC-280, GMC-300 Re.3.00
	cmdGetTime      = "<GETDATETIME>>"  // GMC-280, GMC-300 Re.3.00
	cmdGetTemp      = "<GETTEMP>>"      // GMC-320 Re.3.01
	cmdGetGyro      = "<GETGYRO>>"      // GMC-320 Re.3.01
)

var (
	mod280n300 = []string{"GMC-280", "GMC-300"}
	mod320     = []string{"GMC-320"}
)

// GQGMCCounter is a GQ GMC Counter
type GQGMCCounter struct {
	port   *serial.Port
	config *serial.Config
	version,
	model,
	serial string
	mutex *sync.Mutex
}

// DevConfig is the gcgmc config block.
type DevConfig struct {
	PowerOnOff                   int8  `struct:"int8"`
	AlarmOnOff                   int8  `struct:"int8"`
	SpeakerOnOff                 int8  `struct:"int8"`
	GraphicModeOnOff             int8  `struct:"int8"`
	BackLightTimeoutSeconds      int8  `struct:"int8"`