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add lots of functionality and fix bugs

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soypat
2023-05-20 20:24:21 -03:00
parent 42d795e62d
commit 373412180f
3 changed files with 336 additions and 42 deletions
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sx127x/registers.go
+29 -24
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@@ -77,9 +77,9 @@ const (
// SX127X_PAYLOAD_LENGTH uint8 = 0x40
// Low Noise Amp
lnaMAX_GAIN uint8 = 0x23
lnaOFF_GAIN uint8 = 0x00
lnaLOW_GAIN uint8 = 0x20
lnaMAX_GAIN uint8 = 0b001
lnaOFF_GAIN uint8 = 0b111
lnaLOW_GAIN uint8 = 0b110
// Bandwidth
bw7_8 uint8 = 0x00
@@ -100,32 +100,37 @@ const (
privateSyncword = 0x14
)
var bandwidths = [bw500_0 + 1]lora.Frequency{
bw7_8: 7.8e3 * lora.Hertz,
bw10_4: 10.4e3 * lora.Hertz,
bw15_6: 15.6e3 * lora.Hertz,
bw20_8: 20.8e3 * lora.Hertz,
bw31_25: 31.25e3 * lora.Hertz,
bw41_7: 41.7e3 * lora.Hertz,
bw62_5: 62.5e3 * lora.Hertz,
bw125_0: 125e3 * lora.Hertz,
bw250_0: 250e3 * lora.Hertz,
bw500_0: 500e3 * lora.Hertz,
}
func bwReg(bandwidth lora.Frequency) (value byte) {
switch {
case bandwidth <= 7.8e3*lora.Hertz:
value = bw7_8
case bandwidth <= 10.4e3*lora.Hertz:
value = bw10_4
case bandwidth <= 15.6e3*lora.Hertz:
value = bw15_6
case bandwidth <= 20.8e3*lora.Hertz:
value = bw20_8
case bandwidth <= 31.25e3*lora.Hertz:
value = bw31_25
case bandwidth <= 41.7e3*lora.Hertz:
value = bw41_7
case bandwidth <= 62.5e3*lora.Hertz:
value = bw62_5
case bandwidth <= 125*lora.KiloHertz:
value = bw125_0
case bandwidth <= 250e3*lora.KiloHertz:
value = bw250_0
default:
value = bw500_0
value = bw7_8
for i := byte(len(bandwidths) - 1); i >= 0; i-- {
if bandwidth >= bandwidths[i] {
value = i
break
}
}
return value
}
func reg2Bw(bwByte byte) (value lora.Frequency) {
if bwByte > byte(len(bandwidths)-1) {
return 0
}
return bandwidths[bwByte]
}
// Operation modes.
const (
opmMASK uint8 = 0x07