uint8_t RegionEU868DlChannelReq( DlChannelReqParams_t* dlChannelReq )
{
uint8_t status = 0x03;
uint8_t band = 0;
// Verify if the frequency is supported
if( VerifyTxFreq( dlChannelReq->Rx1Frequency, &band ) == false )
{
status &= 0xFE;
}
// Verify if an uplink frequency exists
if( Channels[dlChannelReq->ChannelId].Frequency == 0 )
{
status &= 0xFD;
}
// Apply Rx1 frequency, if the status is OK
if( status == 0x03 )
{
Channels[dlChannelReq->ChannelId].Rx1Frequency = dlChannelReq->Rx1Frequency;
}
return status;
}
LoRaMacStatus_t RegionCN470AChannelAdd( ChannelAddParams_t *channelAdd )
{
uint8_t band = 0;
bool drInvalid = false;
bool freqInvalid = false;
uint8_t id = channelAdd->ChannelId;
if ( id >= CN470A_MAX_NB_CHANNELS ) {
return LORAMAC_STATUS_PARAMETER_INVALID;
}
// Validate the datarate range
if ( RegionCommonValueInRange( channelAdd->NewChannel->DrRange.Fields.Min, CN470A_TX_MIN_DATARATE,
CN470A_TX_MAX_DATARATE ) == false ) {
drInvalid = true;
}
if ( RegionCommonValueInRange( channelAdd->NewChannel->DrRange.Fields.Max, CN470A_TX_MIN_DATARATE,
CN470A_TX_MAX_DATARATE ) == false ) {
drInvalid = true;
}
if ( channelAdd->NewChannel->DrRange.Fields.Min > channelAdd->NewChannel->DrRange.Fields.Max ) {
drInvalid = true;
}
// Default channels don't accept all values
if ( id < CN470A_NUMB_DEFAULT_CHANNELS ) {
// Validate the datarate range for min: must be DR_0
if ( channelAdd->NewChannel->DrRange.Fields.Min > DR_0 ) {
drInvalid = true;
}
// Validate the datarate range for max: must be DR_5 <= Max <= TX_MAX_DATARATE
if ( RegionCommonValueInRange( channelAdd->NewChannel->DrRange.Fields.Max, DR_5, CN470A_TX_MAX_DATARATE ) == false ) {
drInvalid = true;
}
// We are not allowed to change the frequency
if ( channelAdd->NewChannel->Frequency != Channels[id].Frequency ) {
freqInvalid = true;
}
}
// Check frequency
if ( freqInvalid == false ) {
if ( VerifyTxFreq( channelAdd->NewChannel->Frequency ) == false ) {
freqInvalid = true;
}
}
// Check status
if ( ( drInvalid == true ) && ( freqInvalid == true ) ) {
return LORAMAC_STATUS_FREQ_AND_DR_INVALID;
}
if ( drInvalid == true ) {
return LORAMAC_STATUS_DATARATE_INVALID;
}
if ( freqInvalid == true ) {
return LORAMAC_STATUS_FREQUENCY_INVALID;
}
memcpy( &(Channels[id]), channelAdd->NewChannel, sizeof( Channels[id] ) );
Channels[id].Band = band;
ChannelsMask[0] |= ( 1 << id );
return LORAMAC_STATUS_OK;
}
