bare minimum sx128x setup

sx128x/constants.go

@@ -0,0 +1,67 @@
+package sx128x
+
+type standbyConfig uint8
+type periodBase uint8
+type packetType uint8
+type radioRampTime uint8
+
+// Misc
+type irqMask uint16
+
+const (
+
+	// StandbyConfig
+	standbyRC   = standbyConfig(0)
+	standbyXOSC = standbyConfig(1)
+
+	// PeriodBase
+	periodBase4Ms = periodBase(3)
+
+	// PacketType
+	packetTypeLoRa = packetType(0x01)
+	packetTypeBLE  = packetType(0x04)
+
+	// RampTime
+	radioRamp02us = radioRampTime(0x00)
+	radioRamp04us = radioRampTime(0x20)
+	radioRamp06us = radioRampTime(0x40)
+	radioRamp08us = radioRampTime(0x60)
+	radioRamp10us = radioRampTime(0x80)
+	radioRamp12us = radioRampTime(0xA0)
+	radioRamp16us = radioRampTime(0xC0)
+	radioRamp20us = radioRampTime(0xE0)
+
+	// LoRa Modulation Params
+	loraBW1600 = byte(0x0A)
+	loraBW800  = byte(0x18)
+	loraBW400  = byte(0x26)
+	loraBW200  = byte(0x34)
+
+	// CodingRate
+	loraCR4_5    = byte(0x01)
+	loraCR4_6    = byte(0x02)
+	loraCR4_7    = byte(0x03)
+	loraCR4_8    = byte(0x04)
+	loraCRLI_4_5 = byte(0x05)
+	loraCRLI_4_6 = byte(0x06)
+	loraCRLI_4_8 = byte(0x07)
+
+	// LoraPacketParams
+	// HeaderType
+	loraHeaderExplicit = byte(0x00)
+	loraHeaderImplicit = byte(0x80)
+
+	// CRC Type
+	loraCRCEnable  = byte(0x20)
+	loraCRCDisable = byte(0x00)
+
+	// IQ Type
+	loraIQInverted = byte(0x00)
+	loraIQStandard = byte(0x40)
+
+	// IRQ masks
+	irqAll     = irqMask(0xFFFF)
+	irqTxDone  = irqMask(0b0000000000000001)
+	irqRxDone  = irqMask(0b0000000000000010)
+	irqTimeout = irqMask(0b0100000000000000)
+)