Signed-off-by: DaneEvans <dane@goneepic.com>
Signed-off-by: James Rich <2199651+jamesarich@users.noreply.github.com>
Co-authored-by: DaneEvans <dane@goneepic.com>
Co-authored-by: James Rich <2199651+jamesarich@users.noreply.github.com>
pull/2485/head
Pedro 2025-07-21 22:52:30 -03:00 zatwierdzone przez GitHub
rodzic 94187c5098
commit f1d2dacf4f
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ID klucza GPG: B5690EEEBB952194
2 zmienionych plików z 100 dodań i 78 usunięć

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@ -26,7 +26,9 @@ import kotlin.math.floor
* hash a string into an integer using the djb2 algorithm by Dan Bernstein
* http://www.cse.yorku.ca/~oz/hash.html
*/
private fun hash(name: String): UInt { // using UInt instead of Long to match RadioInterface.cpp results
private fun hash(
name: String
): UInt { // using UInt instead of Long to match RadioInterface.cpp results
var hash = 5381u
for (c in name) {
hash += (hash shl 5) + c.code.toUInt()
@ -42,19 +44,20 @@ private val ModemPreset.bandwidth: Float
return 0f
}
private fun LoRaConfig.bandwidth(regionInfo: RegionInfo?) = if (usePreset) {
modemPreset.bandwidth * if (regionInfo?.wideLora == true) 3.25f else 1f
} else {
when (bandwidth) {
31 -> .03125f
62 -> .0625f
200 -> .203125f
400 -> .40625f
800 -> .8125f
1600 -> 1.6250f
else -> bandwidth / 1000f
private fun LoRaConfig.bandwidth(regionInfo: RegionInfo?) =
if (usePreset) {
modemPreset.bandwidth * if (regionInfo?.wideLora == true) 3.25f else 1f
} else {
when (bandwidth) {
31 -> .03125f
62 -> .0625f
200 -> .203125f
400 -> .40625f
800 -> .8125f
1600 -> 1.6250f
else -> bandwidth / 1000f
}
}
}
val LoRaConfig.numChannels: Int
get() {
@ -70,17 +73,19 @@ val LoRaConfig.numChannels: Int
return if (num > 0) num.toInt() else 1
}
internal fun LoRaConfig.channelNum(primaryName: String): Int = when {
channelNum != 0 -> channelNum
numChannels == 0 -> 0
else -> (hash(primaryName) % numChannels.toUInt()).toInt() + 1
}
internal fun LoRaConfig.channelNum(primaryName: String): Int =
when {
channelNum != 0 -> channelNum
numChannels == 0 -> 0
else -> (hash(primaryName) % numChannels.toUInt()).toInt() + 1
}
internal fun LoRaConfig.radioFreq(channelNum: Int): Float {
if (overrideFrequency != 0f) return overrideFrequency + frequencyOffset
val regionInfo = RegionInfo.fromRegionCode(region)
return if (regionInfo != null) {
(regionInfo.freqStart + bandwidth(regionInfo) / 2) + (channelNum - 1) * bandwidth(regionInfo)
(regionInfo.freqStart + bandwidth(regionInfo) / 2) +
(channelNum - 1) * bandwidth(regionInfo)
} else {
0f
}
@ -94,8 +99,8 @@ internal fun LoRaConfig.radioFreq(channelNum: Int): Float {
* @property freqStart The starting frequency in MHz
* @property freqEnd The ending frequency in MHz
* @property wideLora Whether the region uses wide Lora
*
* @see [LoRaWAN Regional Parameters](https://lora-alliance.org/wp-content/uploads/2020/11/lorawan_regional_parameters_v1.0.3reva_0.pdf)
* @see
* [LoRaWAN Regional Parameters](https://lora-alliance.org/wp-content/uploads/2020/11/lorawan_regional_parameters_v1.0.3reva_0.pdf)
*/
@Suppress("MagicNumber")
enum class RegionInfo(
@ -110,6 +115,7 @@ enum class RegionInfo(
/**
* United States
*
* @see [Springer Link](https://link.springer.com/content/pdf/bbm%3A978-1-4842-4357-2%2F1.pdf)
* @see [The Things Network](https://www.thethingsnetwork.org/docs/lorawan/regional-parameters/)
*/
@ -121,13 +127,14 @@ enum class RegionInfo(
/**
* European Union 868MHz
*
* Special Note:
* The link above describes LoRaWAN's band plan, stating a power limit of 16 dBm. This is their own
* suggested specification, we do not need to follow it. The European Union regulations clearly
* state that the power limit for this frequency range is 500 mW, or 27 dBm. It also states that
* we can use interference avoidance and spectrum access techniques (such as LBT + AFA) to avoid
* a duty cycle. (Please refer to line P page 22 of this document.)
* @see [ETSI EN 300 220-2 V3.1.1](https://www.etsi.org/deliver/etsi_en/300200_300299/30022002/03.01.01_60/en_30022002v030101p.pdf)
* Special Note: The link above describes LoRaWAN's band plan, stating a power limit of 16 dBm.
* This is their own suggested specification, we do not need to follow it. The European Union
* regulations clearly state that the power limit for this frequency range is 500 mW, or 27 dBm.
* It also states that we can use interference avoidance and spectrum access techniques (such as
* LBT + AFA) to avoid a duty cycle. (Please refer to line P page 22 of this document.)
*
* @see
* [ETSI EN 300 220-2 V3.1.1](https://www.etsi.org/deliver/etsi_en/300200_300299/30022002/03.01.01_60/en_30022002v030101p.pdf)
*/
EU_868(RegionCode.EU_868, "European Union 868MHz", 869.4f, 869.65f),
@ -136,6 +143,7 @@ enum class RegionInfo(
/**
* Japan
*
* @see [ARIB STD-T108](https://www.arib.or.jp/english/html/overview/doc/5-STD-T108v1_5-E1.pdf)
* @see [Qiita](https://qiita.com/ammo0613/items/d952154f1195b64dc29f)
*/
@ -143,31 +151,38 @@ enum class RegionInfo(
/**
* Australia / New Zealand
* @see [IoT Spectrum Fact Sheet](https://www.iot.org.au/wp/wp-content/uploads/2016/12/IoTSpectrumFactSheet.pdf)
* @see [IoT Spectrum in NZ Briefing Paper](https://iotalliance.org.nz/wp-content/uploads/sites/4/2019/05/IoT-Spectrum-in-NZ-Briefing-Paper.pdf)
*
* @see
* [IoT Spectrum Fact Sheet](https://www.iot.org.au/wp/wp-content/uploads/2016/12/IoTSpectrumFactSheet.pdf)
* @see
* [IoT Spectrum in NZ Briefing Paper](https://iotalliance.org.nz/wp-content/uploads/sites/4/2019/05/IoT-Spectrum-in-NZ-Briefing-Paper.pdf)
*/
ANZ(RegionCode.ANZ, "Australia / New Zealand", 915.0f, 928.0f),
ANZ(RegionCode.ANZ, "Australia / Brazil / New Zealand", 915.0f, 928.0f),
/**
* Korea
*
* @see [Law.go.kr](https://www.law.go.kr/LSW/admRulLsInfoP.do?admRulId=53943&efYd=0)
* @see [LoRaWAN Regional Parameters](https://resources.lora-alliance.org/technical-specifications/rp002-1-0-4-regional-parameters)
* @see
* [LoRaWAN Regional Parameters](https://resources.lora-alliance.org/technical-specifications/rp002-1-0-4-regional-parameters)
*/
KR(RegionCode.KR, "Korea", 920.0f, 923.0f),
/**
* Taiwan, 920-925Mhz, limited to 0.5W indoor or coastal, 1.0W outdoor.
* 5.8.1 in the Low-power Radio-frequency Devices Technical Regulations
* Taiwan, 920-925Mhz, limited to 0.5W indoor or coastal, 1.0W outdoor. 5.8.1 in the Low-power
* Radio-frequency Devices Technical Regulations
*
* @see [NCC Taiwan](https://www.ncc.gov.tw/english/files/23070/102_5190_230703_1_doc_C.PDF)
* @see [National Gazette](https://gazette.nat.gov.tw/egFront/e_detail.do?metaid=147283)
*/
TW(RegionCode.TW, "Taiwan", 920.0f, 925.0f),
/**
* Russia
* Note:
* Russia Note:
* - We do LBT, so 100% is allowed.
* @see [Digital.gov.ru](https://digital.gov.ru/uploaded/files/prilozhenie-12-k-reshenyu-gkrch-18-46-03-1.pdf)
*
* @see
* [Digital.gov.ru](https://digital.gov.ru/uploaded/files/prilozhenie-12-k-reshenyu-gkrch-18-46-03-1.pdf)
*/
RU(RegionCode.RU, "Russia", 868.7f, 869.2f),
@ -176,8 +191,11 @@ enum class RegionInfo(
/**
* New Zealand 865MHz
* @see [RSM NZ](https://rrf.rsm.govt.nz/smart-web/smart/page/-smart/domain/licence/LicenceSummary.wdk?id=219752)
* @see [IoT Spectrum in NZ Briefing Paper](https://iotalliance.org.nz/wp-content/uploads/sites/4/2019/05/IoT-Spectrum-in-NZ-Briefing-Paper.pdf)
*
* @see
* [RSM NZ](https://rrf.rsm.govt.nz/smart-web/smart/page/-smart/domain/licence/LicenceSummary.wdk?id=219752)
* @see
* [IoT Spectrum in NZ Briefing Paper](https://iotalliance.org.nz/wp-content/uploads/sites/4/2019/05/IoT-Spectrum-in-NZ-Briefing-Paper.pdf)
*/
NZ_865(RegionCode.NZ_865, "New Zealand 865MHz", 864.0f, 868.0f),
@ -185,60 +203,65 @@ enum class RegionInfo(
TH(RegionCode.TH, "Thailand", 920.0f, 925.0f),
/**
* Ukraine 433MHz
* 433,05-434,7 Mhz 10 mW
* Ukraine 433MHz 433,05-434,7 Mhz 10 mW
*
* @see [NKZRZI](https://nkrzi.gov.ua/images/upload/256/5810/PDF_UUZ_19_01_2016.pdf)
*/
UA_433(RegionCode.UA_433, "Ukraine 433MHz", 433.0f, 434.7f),
/**
* Ukraine 868MHz
* 868,0-868,6 Mhz 25 mW
* Ukraine 868MHz 868,0-868,6 Mhz 25 mW
*
* @see [NKZRZI](https://nkrzi.gov.ua/images/upload/256/5810/PDF_UUZ_19_01_2016.pdf)
*/
UA_868(RegionCode.UA_868, "Ukraine 868MHz", 868.0f, 868.6f),
/**
* Malaysia 433MHz
* 433 - 435 MHz at 100mW, no restrictions.
* @see [MCMC](https://www.mcmc.gov.my/skmmgovmy/media/General/pdf/Short-Range-Devices-Specification.pdf)
* Malaysia 433MHz 433 - 435 MHz at 100mW, no restrictions.
*
* @see
* [MCMC](https://www.mcmc.gov.my/skmmgovmy/media/General/pdf/Short-Range-Devices-Specification.pdf)
*/
MY_433(RegionCode.MY_433, "Malaysia 433MHz", 433.0f, 435.0f),
/**
* Malaysia 919MHz
* 919 - 923 Mhz at 500mW, no restrictions.
* 923 - 924 MHz at 500mW with 1% duty cycle OR frequency hopping.
* Frequency hopping is used for 919 - 923 MHz.
* @see [MCMC](https://www.mcmc.gov.my/skmmgovmy/media/General/pdf/Short-Range-Devices-Specification.pdf)
* Malaysia 919MHz 919 - 923 Mhz at 500mW, no restrictions. 923 - 924 MHz at 500mW with 1% duty
* cycle OR frequency hopping. Frequency hopping is used for 919 - 923 MHz.
*
* @see
* [MCMC](https://www.mcmc.gov.my/skmmgovmy/media/General/pdf/Short-Range-Devices-Specification.pdf)
*/
MY_919(RegionCode.MY_919, "Malaysia 919MHz", 919.0f, 924.0f),
/**
* Singapore 923MHz
* SG_923 Band 30d: 917 - 925 MHz at 100mW, no restrictions.
* @see [IMDA](https://www.imda.gov.sg/-/media/imda/files/regulation-licensing-and-consultations/ict-standards/telecommunication-standards/radio-comms/imdatssrd.pdf)
* Singapore 923MHz SG_923 Band 30d: 917 - 925 MHz at 100mW, no restrictions.
*
* @see
* [IMDA](https://www.imda.gov.sg/-/media/imda/files/regulation-licensing-and-consultations/ict-standards/telecommunication-standards/radio-comms/imdatssrd.pdf)
*/
SG_923(RegionCode.SG_923, "Singapore 923MHz", 917.0f, 925.0f),
/**
* Philippines 433MHz
* 433 - 434.7 MHz <10 mW erp, NTC approved device required
* @see [Firmware Issue #4948](https://github.com/meshtastic/firmware/issues/4948#issuecomment-2394926135)
* Philippines 433MHz 433 - 434.7 MHz <10 mW erp, NTC approved device required
*
* @see
* [Firmware Issue #4948](https://github.com/meshtastic/firmware/issues/4948#issuecomment-2394926135)
*/
PH_433(RegionCode.PH_433, "Philippines 433MHz", 433.0f, 434.7f),
/**
* Philippines 868MHz
* 868 - 869.4 MHz <25 mW erp, NTC approved device required
* @see [Firmware Issue #4948](https://github.com/meshtastic/firmware/issues/4948#issuecomment-2394926135)
* Philippines 868MHz 868 - 869.4 MHz <25 mW erp, NTC approved device required
*
* @see
* [Firmware Issue #4948](https://github.com/meshtastic/firmware/issues/4948#issuecomment-2394926135)
*/
PH_868(RegionCode.PH_868, "Philippines 868MHz", 868.0f, 869.4f),
/**
* Philippines 915MHz
* 915 - 918 MHz <250 mW EIRP, no external antenna allowed
* @see [Firmware Issue #4948](https://github.com/meshtastic/firmware/issues/4948#issuecomment-2394926135)
* Philippines 915MHz 915 - 918 MHz <250 mW EIRP, no external antenna allowed
*
* @see
* [Firmware Issue #4948](https://github.com/meshtastic/firmware/issues/4948#issuecomment-2394926135)
*/
PH_915(RegionCode.PH_915, "Philippines 915MHz", 915.0f, 918.0f),
@ -246,38 +269,36 @@ enum class RegionInfo(
LORA_24(RegionCode.LORA_24, "2.4 GHz", 2400.0f, 2483.5f, wideLora = true),
/**
* Australia / New Zealand 433MHz
* 433.05 - 434.79 MHz, 25mW EIRP max, No duty cycle restrictions
* @see [ACMA](https://www.acma.gov.au/licences/low-interference-potential-devices-lipd-class-licence)
* Australia / New Zealand 433MHz 433.05 - 434.79 MHz, 25mW EIRP max, No duty cycle restrictions
*
* @see
* [ACMA](https://www.acma.gov.au/licences/low-interference-potential-devices-lipd-class-licence)
* @see [NZ Gazette](https://gazette.govt.nz/notice/id/2022-go3100)
*/
ANZ_433(RegionCode.ANZ_433, "Australia / New Zealand 433MHz", 433.05f, 434.79f),
/**
* Kazakhstan 433MHz
* 433.075 - 434.775 MHz <10 mW EIRP, Low Powered Devices (LPD)
* Kazakhstan 433MHz 433.075 - 434.775 MHz <10 mW EIRP, Low Powered Devices (LPD)
*
* @see [Firmware Issue #7204](https://github.com/meshtastic/firmware/issues/7204)
*/
KZ_433(RegionCode.KZ_433, "Kazakhstan 433MHz", 433.075f, 434.775f),
/**
* Kazakhstan 863MHz
* 863 - 868 MHz <25 mW EIRP, 500kHz channels allowed, must not be used at airfields
* Kazakhstan 863MHz 863 - 868 MHz <25 mW EIRP, 500kHz channels allowed, must not be used at
* airfields
*
* @see [Firmware Issue #7204](https://github.com/meshtastic/firmware/issues/7204)
*/
KZ_863(RegionCode.KZ_863, "Kazakhstan 863MHz", 863.0f, 868.0f, wideLora = true);
companion object {
fun fromRegionCode(regionCode: RegionCode): RegionInfo? {
return entries.find { it.regionCode == regionCode }
}
fun fromRegionCode(regionCode: RegionCode): RegionInfo? =
entries.find { it.regionCode == regionCode }
}
}
enum class ChannelOption(
val modemPreset: ModemPreset,
val bandwidth: Float,
) {
enum class ChannelOption(val modemPreset: ModemPreset, val bandwidth: Float) {
SHORT_TURBO(ModemPreset.SHORT_TURBO, bandwidth = .500f),
SHORT_FAST(ModemPreset.SHORT_FAST, .250f),
SHORT_SLOW(ModemPreset.SHORT_SLOW, .250f),

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@ -13,4 +13,5 @@
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
*/