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lora/lorawan: refactor shared functionality for ChannelUS, etc into embedded type

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named channel, do the same for RegionSettings, and then change RegionSettings to
just Settings to avoid the redundant naming.

Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram
2023-10-17 17:46:49 +02:00
committed by Ron Evans
parent 7dd1067cc1
commit 6b79a1b386
7 changed files with 105 additions and 161 deletions
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lora/lorawan/region/us915.go
+12 -48
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@@ -10,31 +10,9 @@ const (
)
type ChannelUS struct {
frequency uint32
bandwidth uint8
spreadingFactor uint8
codingRate uint8
preambleLength uint16
txPowerDBm int8
channel
}
// Getter functions
func (c *ChannelUS) Frequency() uint32 { return c.frequency }
func (c *ChannelUS) Bandwidth() uint8 { return c.bandwidth }
func (c *ChannelUS) SpreadingFactor() uint8 { return c.spreadingFactor }
func (c *ChannelUS) CodingRate() uint8 { return c.codingRate }
func (c *ChannelUS) PreambleLength() uint16 { return c.preambleLength }
func (c *ChannelUS) TxPowerDBm() int8 { return c.txPowerDBm }
// Set functions
// TODO: validate input
func (c *ChannelUS) SetFrequency(v uint32) { c.frequency = v }
func (c *ChannelUS) SetBandwidth(v uint8) { c.bandwidth = v }
func (c *ChannelUS) SetSpreadingFactor(v uint8) { c.spreadingFactor = v }
func (c *ChannelUS) SetCodingRate(v uint8) { c.codingRate = v }
func (c *ChannelUS) SetPreambleLength(v uint16) { c.preambleLength = v }
func (c *ChannelUS) SetTxPowerDBm(v int8) { c.txPowerDBm = v }
func (c *ChannelUS) Next() bool {
switch c.Bandwidth() {
case lora.Bandwidth_125_0:
@@ -76,43 +54,29 @@ func stepFrequency500(freq uint32) (uint32, bool) {
return f, true
}
type RegionSettingsUS915 struct {
joinRequestChannel *ChannelUS
joinAcceptChannel *ChannelUS
uplinkChannel *ChannelUS
type SettingsUS915 struct {
settings
}
func US915() *RegionSettingsUS915 {
return &RegionSettingsUS915{
joinRequestChannel: &ChannelUS{lora.MHz_902_3,
func US915() *SettingsUS915 {
return &SettingsUS915{settings: settings{
joinRequestChannel: &ChannelUS{channel: channel{lora.MHz_902_3,
lora.Bandwidth_125_0,
lora.SpreadingFactor10,
lora.CodingRate4_5,
US915_DEFAULT_PREAMBLE_LEN,
US915_DEFAULT_TX_POWER_DBM},
joinAcceptChannel: &ChannelUS{0,
US915_DEFAULT_TX_POWER_DBM}},
joinAcceptChannel: &ChannelUS{channel: channel{0,
lora.Bandwidth_500_0,
lora.SpreadingFactor9,
lora.CodingRate4_5,
US915_DEFAULT_PREAMBLE_LEN,
US915_DEFAULT_TX_POWER_DBM},
uplinkChannel: &ChannelUS{lora.Mhz_903_0,
US915_DEFAULT_TX_POWER_DBM}},
uplinkChannel: &ChannelUS{channel: channel{lora.Mhz_903_0,
lora.Bandwidth_500_0,
lora.SpreadingFactor9,
lora.CodingRate4_5,
US915_DEFAULT_PREAMBLE_LEN,
US915_DEFAULT_TX_POWER_DBM},
}
}
func (r *RegionSettingsUS915) JoinRequestChannel() Channel {
return r.joinRequestChannel
}
func (r *RegionSettingsUS915) JoinAcceptChannel() Channel {
return r.joinAcceptChannel
}
func (r *RegionSettingsUS915) UplinkChannel() Channel {
return r.uplinkChannel
US915_DEFAULT_TX_POWER_DBM}},
}}
}