/
device.go
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/
device.go
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// Copyright (c) 2017-2022 The ivi developers. All rights reserved.
// Project site: https://github.com/gotmc/ivi
// Use of this source code is governed by a MIT-style license that
// can be found in the LICENSE.txt file for the project.
/*
Package template provides a template to create additional IVI drivers for DC
power supplies.
State Caching: Not implemented
*/
package template
import (
"github.com/gotmc/ivi"
"github.com/gotmc/ivi/dcpwr"
)
// Confirm that the device driver implements the IviDCPwrBase interface.
var _ dcpwr.Base = (*Device)(nil)
// Device provides the IVI driver for the Rigol DP800 series of DC power
// supplies.
type Device struct {
inst ivi.Instrument
Channels []Channel
ivi.Inherent
}
// New creates a new DC Power Supply IVI Instrument driver. The New function will
// query the instrument to determine the model and ensure it is one of the
// supported models. If reset is true, then the instrument is reset.
func New(inst ivi.Instrument, reset bool) (*Device, error) {
channelNames := []string{
"CH1",
"CH2",
}
outputCount := len(channelNames)
channels := make([]Channel, outputCount)
for i, channelName := range channelNames {
ch := Channel{
name: channelName,
inst: inst,
}
channels[i] = ch
}
inherentBase := ivi.InherentBase{
ClassSpecMajorVersion: 4,
ClassSpecMinorVersion: 4,
ClassSpecRevision: "3.0",
GroupCapabilities: []string{
"IviDCPwrBase",
"IviDCPwrMeasurement",
"IviDCPwrTrigger",
},
SupportedInstrumentModels: []string{
"TBD",
},
}
inherent := ivi.NewInherent(inst, inherentBase)
driver := Device{
inst: inst,
Channels: channels,
Inherent: inherent,
}
if reset {
err := driver.Reset()
return &driver, err
}
return &driver, nil
}
// AvailableCOMPorts lists the avaialble COM ports, including optional ports.
func AvailableCOMPorts() []string {
return []string{"GPIB", "RS232", "Ethernet", "USB"}
}
// DefaultGPIBAddress lists the default GPIB interface address.
func DefaultGPIBAddress() int {
return 5
}
// SerialConfig lists whether the RS-232 serial port is configured as a DCE
// (Data Circuit-Terminating Equipment) or a DTE (Data Terminal Equipment). Computers
// running the IVI program are DTEs; therefore, use a straight through serial
// cable when connecting to DCEs and a null modem cable when connecting to DTEs.
func SerialConfig() string {
return "DTE"
}
// SerialBaudRates lists the available baud rates for the RS-232 serial port
// from the fastest to the slowest.
func SerialBaudRates() []int {
return []int{9600, 4800, 2400, 1200, 600, 300}
}
// DefaultSerialBaudRate returns the default baud rate for the RS-232 serial
// port.
func DefaultSerialBaudRate() int {
return 9600
}
// SerialDataFrames lists the available RS-232 data frame formats.
func SerialDataFrames() []string {
return []string{"8N2", "7E2", "7O2"}
}
// DefaultSerialDataFrame returns the default RS-232 data frame format.
func DefaultSerialDataFrame() string {
return "8N2"
}
// ChannelCount returns the number of available output channels.
//
// ChannelCount is the getter for the read-only IviDCPwrBase Attribute Output
// Channel Count described in Section 4.2.7 of IVI-4.4: IviDCPwr Class
// Specification.
func (dev *Device) ChannelCount() int {
return len(dev.Channels)
}