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LoRa WAN US915 Support

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Adds a driver for us 915 protocol to the lora WAN drivers.
This commit is contained in:
Mirac Kara
2023-09-26 17:02:18 -07:00
committed by Ron Evans
parent 4edb58c0c5
commit e95cfe66c1
6 changed files with 218 additions and 52 deletions
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lora/lorawan/adaptor.go
+29 -23
View File
@@ -52,13 +52,13 @@ func SetPublicNetwork(enabled bool) {
}
// ApplyChannelConfig sets current Lora modulation according to current regional settings
func applyChannelConfig(ch *region.Channel) {
ActiveRadio.SetFrequency(ch.Frequency)
ActiveRadio.SetBandwidth(ch.Bandwidth)
ActiveRadio.SetCodingRate(ch.CodingRate)
ActiveRadio.SetSpreadingFactor(ch.SpreadingFactor)
ActiveRadio.SetPreambleLength(ch.PreambleLength)
ActiveRadio.SetTxPower(ch.TxPowerDBm)
func applyChannelConfig(ch region.Channel) {
ActiveRadio.SetFrequency(ch.Frequency())
ActiveRadio.SetBandwidth(ch.Bandwidth())
ActiveRadio.SetCodingRate(ch.CodingRate())
ActiveRadio.SetSpreadingFactor(ch.SpreadingFactor())
ActiveRadio.SetPreambleLength(ch.PreambleLength())
ActiveRadio.SetTxPower(ch.TxPowerDBm())
// Lorawan defaults to explicit headers
ActiveRadio.SetHeaderType(lora.HeaderExplicit)
ActiveRadio.SetCrc(true)
@@ -84,24 +84,30 @@ func Join(otaa *Otaa, session *Session) error {
return err
}
// Prepare radio for Join Tx
applyChannelConfig(regionSettings.JoinRequestChannel())
ActiveRadio.SetIqMode(lora.IQStandard)
ActiveRadio.Tx(payload, LORA_TX_TIMEOUT)
if err != nil {
return err
}
for {
joinRequestChannel := regionSettings.JoinRequestChannel()
joinAcceptChannel := regionSettings.JoinAcceptChannel()
// Wait for JoinAccept
applyChannelConfig(regionSettings.JoinAcceptChannel())
ActiveRadio.SetIqMode(lora.IQInverted)
resp, err = ActiveRadio.Rx(LORA_RX_TIMEOUT)
if err != nil {
return err
}
// Prepare radio for Join Tx
applyChannelConfig(joinRequestChannel)
ActiveRadio.SetIqMode(lora.IQStandard)
ActiveRadio.Tx(payload, LORA_TX_TIMEOUT)
if err != nil {
return err
}
if resp == nil {
return ErrNoJoinAcceptReceived
// Wait for JoinAccept
if joinAcceptChannel.Frequency() != 0 {
applyChannelConfig(joinAcceptChannel)
}
ActiveRadio.SetIqMode(lora.IQInverted)
resp, err = ActiveRadio.Rx(LORA_RX_TIMEOUT)
if err == nil && resp != nil {
break
}
if !joinAcceptChannel.Next() {
return ErrNoJoinAcceptReceived
}
}
err = otaa.DecodeJoinAccept(resp, session)