forked from tinygo-org/drivers
-
Notifications
You must be signed in to change notification settings - Fork 0
/
lora_continuous.go
77 lines (62 loc) · 2.02 KB
/
lora_continuous.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
package main
// This example will periodically enable Continuous "Preamble" and "Wave" modes on 868.1 Mhz
import (
"machine"
"time"
"tinygo.org/x/drivers/lora"
"tinygo.org/x/drivers/sx126x"
)
const FREQ = 868100000
var (
loraRadio *sx126x.Device
)
func main() {
println("\n# TinyGo Lora continuous Wave/Preamble test")
println("# -----------------------------------------")
machine.LED.Configure(machine.PinConfig{Mode: machine.PinOutput})
// Create the driver
loraRadio = sx126x.New(spi)
loraRadio.SetDeviceType(sx126x.DEVICE_TYPE_SX1262)
// Create radio controller for target
loraRadio.SetRadioController(newRadioControl())
state := loraRadio.DetectDevice()
if !state {
panic("sx126x not detected. ")
}
// Prepare for Lora operation
loraConf := lora.Config{
Freq: lora.MHz_868_1,
Bw: lora.Bandwidth_125_0,
Sf: lora.SpreadingFactor9,
Cr: lora.CodingRate4_7,
HeaderType: lora.HeaderExplicit,
Preamble: 12,
Ldr: lora.LowDataRateOptimizeOff,
Iq: lora.IQStandard,
Crc: lora.CRCOn,
SyncWord: lora.SyncPrivate,
LoraTxPowerDBm: 20,
}
loraRadio.LoraConfig(loraConf)
// Although LoraConfig has already configured most of Lora settings,
// the following lines are still required to enable Continuous Preamble/Wave
loraRadio.SetPacketType(sx126x.SX126X_PACKET_TYPE_LORA)
loraRadio.SetRfFrequency(loraConf.Freq)
loraRadio.SetModulationParams(loraConf.Sf, loraConf.Bw, loraConf.Cr, loraConf.Ldr)
loraRadio.SetTxParams(loraConf.LoraTxPowerDBm, sx126x.SX126X_PA_RAMP_200U)
for {
println("2 seconds in Continuous Preamble")
loraRadio.SetStandby()
loraRadio.SetTxContinuousPreamble()
time.Sleep(2 * time.Second)
println("Continuous Preamble Stopped")
loraRadio.SetStandby()
time.Sleep(10 * time.Second)
println("2 seconds in Continuous Wave")
loraRadio.SetTxContinuousWave()
time.Sleep(2 * time.Second)
println(" Continuous Wave Stopped")
loraRadio.SetStandby()
time.Sleep(60 * time.Second)
}
}