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Add progress to DFU

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This commit is contained in:
Elara 2021-08-21 00:04:29 -07:00
parent 08076e6ba2
commit ea488067fb
1 changed files with 30 additions and 1 deletions
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31
dfu.go
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@ -55,6 +55,12 @@ var (
var btOptsCmd = map[string]interface{}{"type": "command"}
type DFUProgress struct {
Sent int `json:"sent"`
Received int `json:"recvd"`
Total int64 `json:"total"`
}
// DFU stores everything required for doing firmware upgrades
type DFU struct {
initPacket fs.File
@ -64,6 +70,7 @@ type DFU struct {
bytesSent int
bytesRecvd int
fwSendDone bool
progress chan DFUProgress
ctrlPointChar *gatt.GattCharacteristic1
packetChar *gatt.GattCharacteristic1
}
@ -83,7 +90,7 @@ func (dfu *DFU) LoadFiles(initPath, fwPath string) error {
return err
}
dfu.fwImage = fwImgFl
// Get firmware file size
dfu.fwSize, err = getFlSize(dfu.fwImage)
if err != nil {
@ -169,8 +176,28 @@ func getFlSize(fl fs.File) (int64, error) {
return flInfo.Size(), nil
}
func (dfu *DFU) Progress() <-chan DFUProgress {
if dfu.progress == nil {
dfu.progress = make(chan DFUProgress, 5)
}
return dfu.progress
}
func (dfu *DFU) sendProgress() {
dfu.progress <- DFUProgress{
Sent: dfu.bytesSent,
Received: dfu.bytesRecvd,
Total: dfu.fwSize,
}
}
// Start DFU process
func (dfu *DFU) Start() error {
if dfu.progress == nil {
dfu.progress = make(chan DFUProgress, 5)
}
defer close(dfu.progress)
if dfu.fwImage == nil || dfu.initPacket == nil {
return ErrDFUNoFilesLoaded
}
@ -325,6 +352,7 @@ func (dfu *DFU) stepSeven() error {
n, err := dfu.fwImage.Read(segment)
// If EOF, send is done
if err == io.EOF {
dfu.sendProgress()
dfu.fwSendDone = true
return nil
} else if err != nil {
@ -345,6 +373,7 @@ func (dfu *DFU) stepSeven() error {
if dfu.bytesRecvd != dfu.bytesSent {
return ErrDFUSizeMismatch
}
dfu.sendProgress()
return nil
})
if err != nil {