bare minimum sx128x setup

sx128x/errors.go

@@ -0,0 +1,20 @@
+package sx128x
+
+import "errors"
+
+var (
+	ErrBusyPinTimeout        = errors.New("busy pin timeout")
+	errDataTooLong           = errors.New("data over 256 bytes")
+	errInvalidStandbyConfig  = errors.New("invalid standby config")
+	errFrequencyTooLow       = errors.New("frequency below 2.4Ghz")
+	errFrequencyTooHigh      = errors.New("frequency above 2.5Ghz")
+	errPowerTooLow           = errors.New("power level below -18dBm")
+	errPowerTooHigh          = errors.New("power level above 13dBm")
+	errInvalidPeriodBase     = errors.New("invalid period base")
+	errInvalidPacketType     = errors.New("invalid packet type")
+	errInvalidHeaderType     = errors.New("invalid header type")
+	errInvalidBandwidth      = errors.New("invalid bandwidth")
+	errInvalidCodingRate     = errors.New("invalid coding rate")
+	errPayloadLengthTooShort = errors.New("payload length too short")
+	errRxTimeout             = errors.New("rx timeout")
+)