mirror of
https://github.com/tinygo-org/drivers.git
synced 2026-07-26 10:38:41 +00:00
Joel Wetzell
93 lines
2.4 KiB
Go
93 lines
2.4 KiB
Go
package lora
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import "errors"
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// Config holds the LoRa configuration parameters
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type Config struct {
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Freq uint32 // Frequency
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Cr uint8 // Coding Rate
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Sf uint8 // Spread Factor
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Bw uint8 // Bandwidth
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Ldr uint8 // Low Data Rate
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Preamble uint16 // PreambleLength
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SyncWord uint16 // Sync Word
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HeaderType uint8 // Header : Implicit/explicit
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Crc uint8 // CRC : Yes/No
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Iq uint8 // iq : Standard/inverted
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LoraTxPowerDBm int8 // Tx power in Dbm
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}
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var (
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ErrUndefinedLoraConf = errors.New("Undefined Lora configuration")
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)
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const (
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SpreadingFactor5 = 0x05
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SpreadingFactor6 = 0x06
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SpreadingFactor7 = 0x07
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SpreadingFactor8 = 0x08
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SpreadingFactor9 = 0x09
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SpreadingFactor10 = 0x0A
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SpreadingFactor11 = 0x0B
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SpreadingFactor12 = 0x0C
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)
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const (
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CodingRate4_5 = 0x01 // 7 0 LoRa coding rate: 4/5
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CodingRate4_6 = 0x02 // 7 0 4/6
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CodingRate4_7 = 0x03 // 7 0 4/7
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CodingRate4_8 = 0x04 // 7 0 4/8
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)
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const (
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HeaderExplicit = 0x00 // 7 0 LoRa header mode: explicit
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HeaderImplicit = 0x01 // 7 0 implicit
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)
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const (
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LowDataRateOptimizeOff = 0x00 // 7 0 LoRa low data rate optimization: disabled
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LowDataRateOptimizeOn = 0x01 // 7 0 enabled
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)
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const (
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CRCOff = 0x00 // 7 0 LoRa CRC mode: disabled
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CRCOn = 0x01 // 7 0 enabled
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)
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const (
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IQStandard = 0x00 // 7 0 LoRa IQ setup: standard
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IQInverted = 0x01 // 7 0 inverted
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)
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const (
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Bandwidth_7_8 = iota // 7.8 kHz
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Bandwidth_10_4 // 10.4 kHz
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Bandwidth_15_6 // 15.6 kHz
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Bandwidth_20_8 // 20.8 kHz
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Bandwidth_31_25 // 31.25 kHz
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Bandwidth_41_7 // 41.7 kHz
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Bandwidth_62_5 // 62.5 kHz
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Bandwidth_125_0 // 125.0 kHz
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Bandwidth_203_125 // 203.125 kHz
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Bandwidth_250_0 // 250.0 kHz
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Bandwidth_406_25 // 406.25 kHz
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Bandwidth_500_0 // 500.0 kHz
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Bandwidth_812_5 // 812.5 kHz
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Bandwidth_1625_0 // 1625 kHz
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)
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const (
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SyncPublic = iota
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SyncPrivate
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)
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const (
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MHz_868_1 = 868100000
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MHz_868_5 = 868500000
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MHz_902_3 = 902300000
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Mhz_903_0 = 903000000
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MHZ_915_0 = 915000000
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MHz_916_8 = 916800000
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MHz_923_3 = 923300000
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)
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