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bossac.go
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bossac.go
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package bossac
import (
"log"
"os"
"time"
"github.com/arduino/FirmwareUpdater/utils/context"
"github.com/arduino/arduino-cli/arduino/serialutils"
"github.com/arduino/arduino-cli/executils"
"github.com/arduino/go-paths-helper"
)
type Bossac struct {
bossacPath *paths.Path
portName string
}
func NewBossac(ctx *context.Context) *Bossac {
return &Bossac{
bossacPath: paths.New(ctx.ProgrammerPath),
portName: ctx.PortName,
}
}
func (b *Bossac) Flash(filename string, cb *serialutils.ResetProgressCallbacks) error {
log.Println("Entering board into bootloader mode")
port, err := serialutils.Reset(b.portName, true, cb)
if err != nil {
return err
}
log.Println("Flashing " + filename)
if port == "" {
port = b.portName
}
err = b.invoke("-e", "-R", "-p", port, "-w", filename)
time.Sleep(5 * time.Second)
return err
}
func (b *Bossac) invoke(args ...string) error {
cmd, err := executils.NewProcessFromPath(b.bossacPath, args...)
if err != nil {
return err
}
cmd.RedirectStdoutTo(os.Stdout)
cmd.RedirectStderrTo(os.Stderr)
return cmd.Run()
}