feat: New advanced joystick mode on radio, improvements to Companion and Simulator joystick support (#3111)

* Allow switches on the connected radio to control switches in the simulator via the joystick interface.

* Merge configurable radio joystick interface from banyaszg.

* Add two more 'axis' channels to companion.

* Fix 6POS from USB joystick to simulator.

* Reduce data size.

* Fix build error on B&W radios.

* Add 'Companion' button mode to work with the button logic in the Companion app.

* Build Companion joystick setup layout at runtime.
Change #define names for simulator joystick.
Allow 15 axes and 32 buttons.
Initial support for trim sliders.

* Remove custom joystick button type for companion - use 3 buttons per switch in companion to control simulator switch state.

* Fix joystick constructor calls parameters. Connect some radio joystick trims to simulator widgets.

* Restore 'companion' button type to reduce number of buttons needed. Make trims work via buttons in USB joystick.

* Connect joystick trim buttons to simulator widgets.

* Use companion source names for trims.

* Add encode / decode of usb joystick custom settings to Companion.

* Convert to lvgl layouts.
Update language files.

* Fix generated YAML storage files.

* Fix initialisation error when editing button channel. Cleanup code.

* Fix rebase.

* Fix refresh of joystick channel list view after editing an entry.
Companion joystick config window uses two columns.

* Fix vertical joystick inversion bug.
Change stick axis labels.

---------

Co-authored-by: Phil Mitchell <phil.a.mitchell@gmail.com>

radio/src/targets/common/arm/stm32/usb_driver.cpp

@@ -21,6 +21,10 @@
 
 #include "usb_driver.h"
 
+#if defined(USBJ_EX)
+#include "usb_joystick.h"
+#endif
+
 extern "C" {
 #include "usb_conf.h"
 #include "usb_dcd_int.h"
@@ -83,6 +87,9 @@ void usbStart()
 #if !defined(BOOT)
     case USB_JOYSTICK_MODE:
       // initialize USB as HID device
+#if defined(USBJ_EX)
+      setupUSBJoystick();
+#endif
       USBD_Init(&USB_OTG_dev, USB_OTG_FS_CORE_ID, &USR_desc, &USBD_HID_cb, &USR_cb);
       break;
 #endif
@@ -108,6 +115,18 @@ void usbStop()
   USBD_DeInit(&USB_OTG_dev);
 }
 
+#if defined(USBJ_EX)
+void usbJoystickRestart()
+{
+  if (getSelectedUsbMode() != USB_JOYSTICK_MODE) return;
+
+  USBD_DeInit(&USB_OTG_dev);
+  DCD_DevDisconnect(&USB_OTG_dev);
+  DCD_DevConnect(&USB_OTG_dev);
+  USBD_Init(&USB_OTG_dev, USB_OTG_FS_CORE_ID, &USR_desc, &USBD_HID_cb, &USR_cb);
+}
+#endif
+
 bool usbStarted()
 {
   return usbDriverStarted;
@@ -125,6 +144,7 @@ bool usbStarted()
 */
 void usbJoystickUpdate()
 {
+#if !defined(USBJ_EX)
   static uint8_t HID_Buffer[HID_IN_PACKET];
 
   // test to se if TX buffer is free
@@ -158,5 +178,12 @@ void usbJoystickUpdate()
     }
     USBD_HID_SendReport(&USB_OTG_dev, HID_Buffer, HID_IN_PACKET);
   }
+#else
+  // test to se if TX buffer is free
+  if (USBD_HID_SendReport(&USB_OTG_dev, 0, 0) == USBD_OK) {
+    usbReport_t ret = usbReport();
+    USBD_HID_SendReport(&USB_OTG_dev, ret.ptr, ret.size);
+  }
+#endif
 }
 #endif