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miflorad: improve logging to show peripheral connect retries

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This commit is contained in:
cn 2019-04-23 15:40:28 +02:00
parent f74628e2e4
commit 4531a05af3
1 changed files with 4 additions and 1 deletions
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5
cmd/miflorad/main.go
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@ -151,7 +151,6 @@ func readData(peripheral *peripheral, client ble.Client) (common.SensorDataRespo
}
func connectPeripheral(peripheral *peripheral, send chan mifloraMetric) error {
fmt.Fprintf(os.Stderr, "Scanning for %s...\n", peripheral.id)
// only way to get back the found advertisement, must be buffered!
foundAdvertisementChannel := make(chan ble.Advertisement, 1)
@ -217,13 +216,17 @@ func connectPeripheral(peripheral *peripheral, send chan mifloraMetric) error {
func readPeripheral(peripheral *peripheral, send chan mifloraMetric) error {
var err error
fmt.Fprintf(os.Stderr, "Scanning for %s...", peripheral.id)
for retry := 0; retry < *readRetries; retry++ {
fmt.Fprintf(os.Stderr, " %d", retry+1)
err = connectPeripheral(peripheral, send)
// stop retrying once we have a success, last err will be returned (or nil)
if err == nil {
fmt.Fprintf(os.Stderr, ".")
break
}
}
fmt.Fprintf(os.Stderr, "\n")
return err
}