Power handling

rfm69device.go

@@ -196,18 +196,18 @@ func (r *Device) SetMode(newMode byte) error {
 		return nil
 	}
 
-	err := r.readWriteReg(REG_OPMODE, 0xE3, newMode)
-	if err != nil {
-		return err
-	}
-
 	if r.isRFM69HW && (newMode == RF_OPMODE_RECEIVER || newMode == RF_OPMODE_TRANSMITTER) {
-		err = r.setHighPowerRegs(newMode == RF_OPMODE_TRANSMITTER)
+		err := r.setHighPowerRegs(newMode == RF_OPMODE_TRANSMITTER)
 		if err != nil {
 			return err
 		}
 	}
 
+	err := r.readWriteReg(REG_OPMODE, 0xE3, newMode)
+	if err != nil {
+		return err
+	}
+
 	// we are using packet mode, so this check is not really needed
 	// but waiting for mode ready is necessary when going from sleep because the FIFO may not be immediately available from previous mode
 	if r.mode == RF_OPMODE_SLEEP {