mirror of
https://github.com/zjs81/meshcore-open.git
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b34d684e67
formats all dart files using `dart format .` from the root project dir this makes the code style repeatable by new contributors and makes PR review easier
107 lines
2.5 KiB
Dart
107 lines
2.5 KiB
Dart
enum LoRaBandwidth {
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bw7_8(7800, '7.8 kHz'),
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bw10_4(10400, '10.4 kHz'),
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bw15_6(15600, '15.6 kHz'),
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bw20_8(20800, '20.8 kHz'),
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bw31_25(31250, '31.25 kHz'),
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bw41_7(41700, '41.7 kHz'),
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bw62_5(62500, '62.5 kHz'),
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bw125(125000, '125 kHz'),
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bw250(250000, '250 kHz'),
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bw500(500000, '500 kHz');
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final int hz;
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final String label;
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const LoRaBandwidth(this.hz, this.label);
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}
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enum LoRaSpreadingFactor {
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sf5(5, 'SF5'),
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sf6(6, 'SF6'),
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sf7(7, 'SF7'),
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sf8(8, 'SF8'),
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sf9(9, 'SF9'),
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sf10(10, 'SF10'),
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sf11(11, 'SF11'),
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sf12(12, 'SF12');
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final int value;
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final String label;
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const LoRaSpreadingFactor(this.value, this.label);
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}
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enum LoRaCodingRate {
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cr4_5(5, '4/5'),
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cr4_6(6, '4/6'),
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cr4_7(7, '4/7'),
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cr4_8(8, '4/8');
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final int value;
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final String label;
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const LoRaCodingRate(this.value, this.label);
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}
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class RadioSettings {
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final double frequencyMHz;
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final LoRaBandwidth bandwidth;
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final LoRaSpreadingFactor spreadingFactor;
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final LoRaCodingRate codingRate;
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final int txPowerDbm;
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RadioSettings({
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required this.frequencyMHz,
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required this.bandwidth,
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required this.spreadingFactor,
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required this.codingRate,
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required this.txPowerDbm,
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});
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// Preset configurations
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static RadioSettings get preset915MHz => RadioSettings(
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frequencyMHz: 915.0,
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bandwidth: LoRaBandwidth.bw125,
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spreadingFactor: LoRaSpreadingFactor.sf7,
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codingRate: LoRaCodingRate.cr4_5,
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txPowerDbm: 20,
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);
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static RadioSettings get preset868MHz => RadioSettings(
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frequencyMHz: 868.0,
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bandwidth: LoRaBandwidth.bw125,
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spreadingFactor: LoRaSpreadingFactor.sf7,
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codingRate: LoRaCodingRate.cr4_5,
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txPowerDbm: 14,
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);
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static RadioSettings get preset433MHz => RadioSettings(
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frequencyMHz: 433.0,
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bandwidth: LoRaBandwidth.bw125,
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spreadingFactor: LoRaSpreadingFactor.sf7,
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codingRate: LoRaCodingRate.cr4_5,
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txPowerDbm: 20,
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);
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static RadioSettings get presetLongRange => RadioSettings(
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frequencyMHz: 915.0,
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bandwidth: LoRaBandwidth.bw125,
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spreadingFactor: LoRaSpreadingFactor.sf12,
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codingRate: LoRaCodingRate.cr4_8,
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txPowerDbm: 20,
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);
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static RadioSettings get presetFastSpeed => RadioSettings(
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frequencyMHz: 915.0,
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bandwidth: LoRaBandwidth.bw500,
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spreadingFactor: LoRaSpreadingFactor.sf7,
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codingRate: LoRaCodingRate.cr4_5,
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txPowerDbm: 20,
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);
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int get frequencyHz => (frequencyMHz * 1000).round();
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int get bandwidthHz => bandwidth.hz;
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int get sf => spreadingFactor.value;
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int get cr => codingRate.value;
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}
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