sx126x: refactor to RadioController interface to more easily handle non-STM32WL boards and remove duplicated code

Signed-off-by: deadprogram <ron@hybridgroup.com>

sx126x/radiocontrol_gnse.go

@@ -0,0 +1,56 @@
+//go:build gnse
+
+/*
+Generic Node Sensor Edition
+RFSwitch
+
+Disable Switch   :  PB8=OFF PA0=OFF  PA1=OFF
+Enable RX        :  PB8=ON  PA0=ON   PA1=OFF
+Enable TX RFO LP :  PB8=ON  PA0=ON   PA1=ON
+Enable TX RFO HP :  PB8=ON  PA0=OFF  PA1=ON
+*/
+package sx126x
+
+import (
+	"machine"
+)
+
+// RadioControl for GNSE board.
+type RadioControl struct {
+	STM32RadioControl
+}
+
+func NewRadioControl() *RadioControl {
+	return &RadioControl{STM32RadioControl{}}
+}
+
+// Init pins needed for controlling rx/tx
+func (rc *RadioControl) Init() error {
+	machine.RF_FE_CTRL1.Configure(machine.PinConfig{Mode: machine.PinOutput})
+	machine.RF_FE_CTRL2.Configure(machine.PinConfig{Mode: machine.PinOutput})
+	machine.RF_FE_CTRL3.Configure(machine.PinConfig{Mode: machine.PinOutput})
+
+	return nil
+}
+
+func (rc *RadioControl) SetRfSwitchMode(mode int) error {
+	switch mode {
+
+	case RFSWITCH_TX_HP:
+		machine.RF_FE_CTRL1.Set(false)
+		machine.RF_FE_CTRL2.Set(true)
+		machine.RF_FE_CTRL3.Set(true)
+
+	case RFSWITCH_TX_LP:
+		machine.RF_FE_CTRL1.Set(true)
+		machine.RF_FE_CTRL2.Set(true)
+		machine.RF_FE_CTRL3.Set(true)
+
+	case RFSWITCH_RX:
+		machine.RF_FE_CTRL1.Set(true)
+		machine.RF_FE_CTRL2.Set(false)
+		machine.RF_FE_CTRL3.Set(true)
+	}
+
+	return nil
+}