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Olivier Fauchon
78 lines
2.0 KiB
Go
78 lines
2.0 KiB
Go
package main
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// This example will periodically enable Continuous "Preamble" and "Wave" modes on 868.1 Mhz
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import (
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"machine"
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"time"
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"tinygo.org/x/drivers/lora"
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"tinygo.org/x/drivers/sx126x"
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)
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const FREQ = 868100000
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var (
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loraRadio *sx126x.Device
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)
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func main() {
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println("\n# TinyGo Lora continuous Wave/Preamble test")
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println("# -----------------------------------------")
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machine.LED.Configure(machine.PinConfig{Mode: machine.PinOutput})
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// Create the driver
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loraRadio = sx126x.New(spi)
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loraRadio.SetDeviceType(sx126x.DEVICE_TYPE_SX1262)
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// Create radio controller for target
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loraRadio.SetRadioController(newRadioControl())
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state := loraRadio.DetectDevice()
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if !state {
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panic("sx126x not detected. ")
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}
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// Prepare for Lora operation
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loraConf := lora.Config{
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Freq: lora.MHz_868_1,
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Bw: lora.Bandwidth_125_0,
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Sf: lora.SpreadingFactor9,
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Cr: lora.CodingRate4_7,
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HeaderType: lora.HeaderExplicit,
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Preamble: 12,
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Ldr: lora.LowDataRateOptimizeOff,
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Iq: lora.IQStandard,
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Crc: lora.CRCOn,
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SyncWord: lora.SyncPrivate,
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LoraTxPowerDBm: 20,
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}
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loraRadio.LoraConfig(loraConf)
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// Although LoraConfig has already configured most of Lora settings,
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// the following lines are still required to enable Continuous Preamble/Wave
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loraRadio.SetPacketType(sx126x.SX126X_PACKET_TYPE_LORA)
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loraRadio.SetRfFrequency(loraConf.Freq)
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loraRadio.SetModulationParams(loraConf.Sf, loraConf.Bw, loraConf.Cr, loraConf.Ldr)
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loraRadio.SetTxParams(loraConf.LoraTxPowerDBm, sx126x.SX126X_PA_RAMP_200U)
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for {
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println("2 seconds in Continuous Preamble")
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loraRadio.SetStandby()
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loraRadio.SetTxContinuousPreamble()
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time.Sleep(2 * time.Second)
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println("Continuous Preamble Stopped")
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loraRadio.SetStandby()
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time.Sleep(10 * time.Second)
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println("2 seconds in Continuous Wave")
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loraRadio.SetTxContinuousWave()
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time.Sleep(2 * time.Second)
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println(" Continuous Wave Stopped")
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loraRadio.SetStandby()
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time.Sleep(60 * time.Second)
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}
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}
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