USB Host support stub. Doesn't work.

arch/esp32/esp32c3.ini

@@ -3,3 +3,6 @@ extends = esp32_base
 
 monitor_speed = 115200
 monitor_filters = esp32_c3_exception_decoder
+
+lib_deps = ${esp32_base.lib_deps}
+  tanakamasayuki/EspUsbHost@^1.0.2

arch/esp32/esp32s2.ini

@@ -14,3 +14,5 @@ lib_ignore =
   ${esp32_base.lib_ignore} 
   NimBLE-Arduino
 
+lib_deps = ${esp32_base.lib_deps}
+  tanakamasayuki/EspUsbHost@^1.0.2

arch/esp32/esp32s3.ini

@@ -3,3 +3,6 @@ extends = esp32_base
 
 monitor_speed = 115200
 
+lib_deps = ${esp32_base.lib_deps}
+  tanakamasayuki/EspUsbHost@^1.0.2
+

src/input/kbUsbBase.cpp

@@ -0,0 +1,72 @@
+#include "kbUsbBase.h"
+#include "configuration.h"
+
+#if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32C3
+
+KbUsbBase::KbUsbBase(const char *name) : concurrency::OSThread(name)
+{
+    this->_originName = name;
+}
+
+int32_t KbUsbBase::runOnce()
+{
+    if (firstTime) {
+        // This is the first time the OSThread library has called this function, so init the USB HID routines
+        begin();
+        firstTime = 0;
+    } else {
+
+        task();
+    }
+    return 100;
+}
+
+void KbUsbBase::onKeyboardKey(uint8_t ascii, uint8_t keycode, uint8_t modifier)
+{
+
+    if (ascii != 0) {
+        LOG_DEBUG("Key 0x%x Code 0x%x Mod 0x%x pressed\n", ascii, keycode, modifier);
+        // reset shift now that we have a keypress
+        InputEvent e;
+        e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_NONE;
+        e.source = this->_originName;
+        switch (ascii) {
+        case 0x1b: // ESC
+            e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_CANCEL;
+            break;
+        case 0x08: // Back
+            e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_BACK;
+            e.kbchar = ascii;
+            break;
+        case 0xb5: // Up
+            e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_UP;
+            break;
+        case 0xb6: // Down
+            e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_DOWN;
+            break;
+        case 0xb4: // Left
+            e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_LEFT;
+            e.kbchar = ascii;
+            break;
+        case 0xb7: // Right
+            e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_RIGHT;
+            e.kbchar = ascii;
+            break;
+        case 0x0d: // Enter
+            e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_SELECT;
+            break;
+        case 0x00: // nopress
+            e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_NONE;
+            break;
+        default: // all other keys
+            e.inputEvent = ANYKEY;
+            e.kbchar = ascii;
+            break;
+        }
+        if (e.inputEvent != meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_NONE) {
+            this->notifyObservers(&e);
+        }
+    }
+}
+
+#endif

src/input/kbUsbBase.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "InputBroker.h"
+#include "concurrency/OSThread.h"
+#if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32C3
+#include "EspUsbHost.h"
+
+class KbUsbBase : public Observable<const InputEvent *>, public concurrency::OSThread, public EspUsbHost
+{
+  public:
+    explicit KbUsbBase(const char *name);
+
+  protected:
+    virtual int32_t runOnce() override;
+
+  private:
+    void onKeyboardKey(uint8_t ascii, uint8_t keycode, uint8_t modifier);
+    const char *_originName;
+    bool firstTime = 1;
+};
+#endif

src/input/kbUsbImpl.cpp

@@ -0,0 +1,15 @@
+#include "KbUsbImpl.h"
+#include "InputBroker.h"
+
+#if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32C3
+
+KbUsbImpl *kbUsbImpl;
+
+KbUsbImpl::KbUsbImpl() : KbUsbBase("usbKB") {}
+
+void KbUsbImpl::init()
+{
+    inputBroker->registerSource(this);
+}
+
+#endif // INPUTBROKER_MATRIX_TYPE

src/input/kbUsbImpl.h

@@ -0,0 +1,19 @@
+#pragma once
+#include "kbUsbBase.h"
+#include "main.h"
+
+/**
+ * @brief The idea behind this class to have static methods for the event handlers.
+ *      Check attachInterrupt() at RotaryEncoderInteruptBase.cpp
+ *      Technically you can have as many rotary encoders hardver attached
+ *      to your device as you wish, but you always need to have separate event
+ *      handlers, thus you need to have a RotaryEncoderInterrupt implementation.
+ */
+class KbUsbImpl : public KbUsbBase
+{
+  public:
+    KbUsbImpl();
+    void init();
+};
+
+extern KbUsbImpl *kbUsbImpl;

src/modules/Modules.cpp

@@ -5,6 +5,7 @@
 #include "input/UpDownInterruptImpl1.h"
 #include "input/cardKbI2cImpl.h"
 #include "input/kbMatrixImpl.h"
+#include "input/kbUsbImpl.h"
 #include "modules/AdminModule.h"
 #include "modules/AtakPluginModule.h"
 #include "modules/CannedMessageModule.h"
@@ -85,6 +86,10 @@ void setupModules()
         kbMatrixImpl = new KbMatrixImpl();
         kbMatrixImpl->init();
 #endif // INPUTBROKER_MATRIX_TYPE
+#if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32C3
+        kbUsbImpl = new KbUsbImpl();
+        kbUsbImpl->init();
+#endif // INPUTBROKER_MATRIX_TYPE
 #endif // HAS_BUTTON
 #if ARCH_PORTDUINO
         aLinuxInputImpl = new LinuxInputImpl();

variants/bpi_picow_esp32_s3/platformio.ini

@@ -8,7 +8,7 @@ board_level = extra
 upload_protocol = esptool
 ;upload_port = /dev/ttyACM2
 lib_deps =
-  ${esp32_base.lib_deps}
+  ${esp32s3_base.lib_deps}
   caveman99/ESP32 Codec2@^1.0.1
 build_flags = 
-  ${esp32_base.build_flags} -D PRIVATE_HW -I variants/bpi_picow_esp32_s3
+  ${esp32s3_base.build_flags} -D PRIVATE_HW -I variants/bpi_picow_esp32_s3

variants/m5stack-stamp-c3/platformio.ini

@@ -3,7 +3,7 @@ extends = esp32c3_base
 board = esp32-c3-devkitm-1
 board_level = extra
 build_flags = 
-  ${esp32_base.build_flags}
+  ${esp32c3_base.build_flags}
   -D PRIVATE_HW
   -I variants/m5stack-stamp-c3
 monitor_speed = 115200

variants/my_esp32s3_diy_eink/platformio.ini

@@ -11,13 +11,13 @@ upload_speed = 921600
 platform_packages =
   tool-esptoolpy@^1.40500.0
 lib_deps =
-  ${esp32_base.lib_deps}
+  ${esp32s3_base.lib_deps}
   zinggjm/GxEPD2@^1.5.1
   adafruit/Adafruit NeoPixel@^1.10.7
 build_unflags = -DARDUINO_USB_MODE=1
 build_flags = 
-  ;${esp32_base.build_flags} -D MY_ESP32S3_DIY -I variants/my_esp32s3_diy_eink
-  ${esp32_base.build_flags} -D PRIVATE_HW -I variants/my_esp32s3_diy_eink
+  ;${esp32s3_base.build_flags} -D MY_ESP32S3_DIY -I variants/my_esp32s3_diy_eink
+  ${esp32s3_base.build_flags} -D PRIVATE_HW -I variants/my_esp32s3_diy_eink
   -Dmy
   -DTECHO_DISPLAY_MODEL=GxEPD2_290_T5D
   -DEPD_HEIGHT=128

variants/my_esp32s3_diy_oled/platformio.ini

@@ -11,12 +11,12 @@ upload_speed = 921600
 platform_packages =
   tool-esptoolpy@^1.40500.0
 lib_deps =
-  ${esp32_base.lib_deps}
+  ${esp32s3_base.lib_deps}
   adafruit/Adafruit NeoPixel@^1.10.7
 build_unflags = -DARDUINO_USB_MODE=1
 build_flags = 
-  ;${esp32_base.build_flags} -D MY_ESP32S3_DIY -I variants/my_esp32s3_diy_oled
-  ${esp32_base.build_flags} -D PRIVATE_HW -I variants/my_esp32s3_diy_oled
+  ;${esp32s3_base.build_flags} -D MY_ESP32S3_DIY -I variants/my_esp32s3_diy_oled
+  ${esp32s3_base.build_flags} -D PRIVATE_HW -I variants/my_esp32s3_diy_oled
   -DBOARD_HAS_PSRAM
   -mfix-esp32-psram-cache-issue
   -DARDUINO_USB_MODE=0

variants/tlora_t3s3_v1/platformio.ini

@@ -4,5 +4,5 @@ board = tlora-t3s3-v1
 upload_protocol = esp-builtin
 
 build_flags = 
-  ${esp32_base.build_flags} -D TLORA_T3S3_V1 -I variants/tlora_t3s3_v1
-  -DGPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.
+  ${esp32s3_base.build_flags} -D TLORA_T3S3_V1 -I variants/tlora_t3s3_v1
+  -DGPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.