Add RF switch settings for STM32WL variants (#7813)

* Add RF switch settings for STM32WL variants

* Shuffle ifdefs in STM32WLE5JCInterface to make it not get built by other targets

src/mesh/STM32WLE5JCInterface.cpp

@@ -1,13 +1,13 @@
-#include "STM32WLE5JCInterface.h"
 #include "configuration.h"
+
+#ifdef ARCH_STM32WL
+#include "STM32WLE5JCInterface.h"
 #include "error.h"
 
 #ifndef STM32WLx_MAX_POWER
 #define STM32WLx_MAX_POWER 22
 #endif
 
-#ifdef ARCH_STM32WL
-
 STM32WLE5JCInterface::STM32WLE5JCInterface(LockingArduinoHal *hal, RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq,
                                            RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE busy)
     : SX126xInterface(hal, cs, irq, rst, busy)

src/mesh/STM32WLE5JCInterface.h

@@ -1,8 +1,8 @@
 #pragma once
 
-#include "SX126xInterface.h"
-
 #ifdef ARCH_STM32WL
+#include "SX126xInterface.h"
+#include "rfswitch.h"
 
 /**
  * Our adapter for STM32WLE5JC radios
@@ -16,13 +16,4 @@ class STM32WLE5JCInterface : public SX126xInterface<STM32WLx>
     virtual bool init() override;
 };
 
-/* https://wiki.seeedstudio.com/LoRa-E5_STM32WLE5JC_Module/
- * Wio-E5 module ONLY transmits through RFO_HP
- * Receive: PA4=1, PA5=0
- * Transmit(high output power, SMPS mode): PA4=0, PA5=1 */
-static const RADIOLIB_PIN_TYPE rfswitch_pins[5] = {PA4, PA5, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
-
-static const Module::RfSwitchMode_t rfswitch_table[4] = {
-    {STM32WLx::MODE_IDLE, {LOW, LOW}}, {STM32WLx::MODE_RX, {HIGH, LOW}}, {STM32WLx::MODE_TX_HP, {LOW, HIGH}}, END_OF_MODE_TABLE};
-
 #endif // ARCH_STM32WL

variants/stm32/CDEBYTE_E77-MBL/platformio.ini

@@ -12,7 +12,5 @@ build_flags =
   -DMESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR=1
   -DMESHTASTIC_EXCLUDE_I2C=1
   -DMESHTASTIC_EXCLUDE_GPS=1
-  ;-DPIO_FRAMEWORK_ARDUINO_NANOLIB_FLOAT_PRINTF
-  ;-DCFG_DEBUG
 
 upload_port = stlink

variants/stm32/CDEBYTE_E77-MBL/rfswitch.h

@@ -0,0 +1,9 @@
+// From E77-900M22S Product Specification
+// https://www.cdebyte.com/pdf-down.aspx?id=2963
+// Note 1: PA6 and PA7 pins are used as internal control RF switches of the module, PA6 = RF_TXEN, PA7 = RF_RXEN, RF_TXEN=1
+// RF_RXEN=0 is the transmit channel, and RF_TXEN=0 RF_RXEN=1 is the receiving channel
+
+static const RADIOLIB_PIN_TYPE rfswitch_pins[5] = {PA7, PA6, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
+
+static const Module::RfSwitchMode_t rfswitch_table[4] = {
+    {STM32WLx::MODE_IDLE, {LOW, LOW}}, {STM32WLx::MODE_RX, {HIGH, LOW}}, {STM32WLx::MODE_TX_HP, {LOW, HIGH}}, END_OF_MODE_TABLE};

variants/stm32/CDEBYTE_E77-MBL/variant.h

@@ -18,5 +18,4 @@ Do not expect a working Meshtastic device with this target.
 #define LED_PIN PB4 // LED1
 // #define LED_PIN PB3 // LED2
 #define LED_STATE_ON 1
-
 #endif

variants/stm32/rak3172/platformio.ini

@@ -15,5 +15,5 @@ build_flags =
   -DMESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR=1
   -DMESHTASTIC_EXCLUDE_I2C=1
   -DMESHTASTIC_EXCLUDE_GPS=1
-  ;-DCFG_DEBUG
+
 upload_port = stlink

variants/stm32/rak3172/rfswitch.h

@@ -0,0 +1,7 @@
+// Pins from https://forum.rakwireless.com/t/rak3172-internal-schematic/4557/2
+// PB8, PC13
+
+static const RADIOLIB_PIN_TYPE rfswitch_pins[5] = {PB8, PC13, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
+
+static const Module::RfSwitchMode_t rfswitch_table[4] = {
+    {STM32WLx::MODE_IDLE, {LOW, LOW}}, {STM32WLx::MODE_RX, {HIGH, LOW}}, {STM32WLx::MODE_TX_HP, {LOW, HIGH}}, END_OF_MODE_TABLE};

variants/stm32/wio-e5/rfswitch.h

@@ -0,0 +1,8 @@
+/* https://wiki.seeedstudio.com/LoRa-E5_STM32WLE5JC_Module/
+ * Wio-E5 module ONLY transmits through RFO_HP
+ * Receive: PA4=1, PA5=0
+ * Transmit(high output power, SMPS mode): PA4=0, PA5=1 */
+static const RADIOLIB_PIN_TYPE rfswitch_pins[5] = {PA4, PA5, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
+
+static const Module::RfSwitchMode_t rfswitch_table[4] = {
+    {STM32WLx::MODE_IDLE, {LOW, LOW}}, {STM32WLx::MODE_RX, {HIGH, LOW}}, {STM32WLx::MODE_TX_HP, {LOW, HIGH}}, END_OF_MODE_TABLE};