Implement USB HID Device Support for ESP32-S2

CMakeLists.txt

@@ -76,6 +76,14 @@ set(LIBRARY_SRCS
   libraries/Ticker/src/Ticker.cpp
   libraries/Update/src/Updater.cpp
   libraries/Update/src/HttpsOTAUpdate.cpp
+  libraries/USB/src/USBHID.cpp
+  libraries/USB/src/USBHIDMouse.cpp
+  libraries/USB/src/USBHIDKeyboard.cpp
+  libraries/USB/src/USBHIDGamepad.cpp
+  libraries/USB/src/USBHIDConsumerControl.cpp
+  libraries/USB/src/USBHIDSystemControl.cpp
+  libraries/USB/src/USBHIDVendor.cpp
+  libraries/USB/src/USBVendor.cpp
   libraries/WebServer/src/WebServer.cpp
   libraries/WebServer/src/Parsing.cpp
   libraries/WebServer/src/detail/mimetable.cpp

cores/esp32/FirmwareMSC.cpp

@@ -11,17 +11,17 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+#include "FirmwareMSC.h"
+
+#if CONFIG_TINYUSB_MSC_ENABLED
 
 #include <cstring>
-#include "FirmwareMSC.h"
 #include "esp_partition.h"
 #include "esp_ota_ops.h"
 #include "esp32-hal.h"
 #include "pins_arduino.h"
 #include "firmware_msc_fat.h"
 
-#if CONFIG_TINYUSB_MSC_ENABLED
-
 #ifndef USB_FW_MSC_VENDOR_ID
 #define USB_FW_MSC_VENDOR_ID "ESP32" //max 8 chars
 #endif

cores/esp32/FirmwareMSC.h

@@ -15,6 +15,7 @@
 #pragma once
 #include <stdbool.h>
 #include "USBMSC.h"
+
 #if CONFIG_TINYUSB_MSC_ENABLED
 
 #include "esp_event.h"

cores/esp32/USB.cpp

@@ -11,11 +11,14 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-#include "esp32-hal.h"
-#include "esp32-hal-tinyusb.h"
 #include "USB.h"
+
 #if CONFIG_TINYUSB_ENABLED
 
+#include "esp32-hal.h"
+#include "esp32-hal-tinyusb.h"
+#include "common/tusb_common.h"
+
 #ifndef USB_VID
 #define USB_VID USB_ESPRESSIF_VID
 #endif

cores/esp32/USB.h

@@ -14,12 +14,11 @@
 #pragma once
 
 #include "sdkconfig.h"
+
 #if CONFIG_TINYUSB_ENABLED
 
-#include "Arduino.h"
-#include "USBCDC.h"
-#include "common/tusb_common.h"
 #include "esp_event.h"
+#include "USBCDC.h"
 
 #define ARDUINO_USB_ON_BOOT (ARDUINO_USB_CDC_ON_BOOT|ARDUINO_USB_MSC_ON_BOOT|ARDUINO_USB_DFU_ON_BOOT)
 

cores/esp32/USBCDC.cpp

@@ -11,17 +11,16 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-#include "esp32-hal.h"
-#include "esp32-hal-tinyusb.h"
 #include "USB.h"
+#if CONFIG_TINYUSB_CDC_ENABLED
+
 #include "USBCDC.h"
-#if CONFIG_TINYUSB_ENABLED
+#include "esp32-hal-tinyusb.h"
 
 ESP_EVENT_DEFINE_BASE(ARDUINO_USB_CDC_EVENTS);
 esp_err_t arduino_usb_event_post(esp_event_base_t event_base, int32_t event_id, void *event_data, size_t event_data_size, TickType_t ticks_to_wait);
 esp_err_t arduino_usb_event_handler_register_with(esp_event_base_t event_base, int32_t event_id, esp_event_handler_t event_handler, void *event_handler_arg);
 
-#if CFG_TUD_CDC
 #define MAX_USB_CDC_DEVICES 2
 USBCDC * devices[MAX_USB_CDC_DEVICES] = {NULL, NULL};
 
@@ -389,5 +388,3 @@ USBCDC Serial(0);
 #endif
 
 #endif /* CONFIG_TINYUSB_CDC_ENABLED */
-
-#endif /* CONFIG_TINYUSB_ENABLED */

cores/esp32/USBCDC.h

@@ -13,13 +13,12 @@
 // limitations under the License.
 #pragma once
 
-#include <inttypes.h>
-
-#include "Stream.h"
-#include "esp32-hal.h"
+#include "sdkconfig.h"
 #if CONFIG_TINYUSB_CDC_ENABLED
 
+#include <inttypes.h>
 #include "esp_event.h"
+#include "Stream.h"
 
 ESP_EVENT_DECLARE_BASE(ARDUINO_USB_CDC_EVENTS);
 

cores/esp32/USBMSC.cpp

@@ -11,12 +11,12 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+#include "USBMSC.h"
+
+#if CONFIG_TINYUSB_MSC_ENABLED
 
-#include "esp32-hal.h"
 #include "esp32-hal-tinyusb.h"
-#include "USBMSC.h"
 
-#if CFG_TUD_MSC
 extern "C" uint16_t tusb_msc_load_descriptor(uint8_t * dst, uint8_t * itf)
 {
     uint8_t str_index = tinyusb_add_string_descriptor("TinyUSB MSC");
@@ -257,4 +257,4 @@ void USBMSC::mediaPresent(bool media_present){
     msc_luns[_lun].media_present = media_present;
 }
 
-#endif /* CONFIG_USB_MSC_ENABLED */
+#endif /* CONFIG_TINYUSB_MSC_ENABLED */

cores/esp32/USBMSC.h

@@ -15,7 +15,8 @@
 #pragma once
 #include <stdint.h>
 #include <stdbool.h>
-#include "esp32-hal.h"
+#include "sdkconfig.h"
+
 #if CONFIG_TINYUSB_MSC_ENABLED
 
 // Invoked when received Start Stop Unit command
@@ -46,4 +47,5 @@ class USBMSC
 private:
 	uint8_t _lun;
 };
-#endif
+
+#endif /* CONFIG_TINYUSB_MSC_ENABLED */

cores/esp32/esp32-hal-tinyusb.c

@@ -424,12 +424,6 @@ static bool tinyusb_load_enabled_interfaces(){
                 log_e("Descriptor Load Failed");
                 return false;
             } else {
-                if(i == USB_INTERFACE_CDC){
-                    if(!tinyusb_reserve_out_endpoint(3) ||!tinyusb_reserve_in_endpoint(4) || !tinyusb_reserve_in_endpoint(5)){
-                        log_e("CDC Reserve Endpoints Failed");
-                        return false;
-                    }
-                }
                 dst += len;
             }
         }
@@ -505,6 +499,7 @@ static void tinyusb_apply_device_config(tinyusb_device_config_t *config){
         && (config->usb_class != TUSB_CLASS_CDC)
     ){
         config->usb_class = TUSB_CLASS_CDC;
+        config->usb_protocol = 0x00;
     }
 
     WEBUSB_ENABLED            = config->webusb_enabled;
@@ -573,6 +568,12 @@ esp_err_t tinyusb_enable_interface(tinyusb_interface_t interface, uint16_t descr
         log_e("Interface %s invalid or already enabled", (interface >= USB_INTERFACE_MAX)?"":tinyusb_interface_names[interface]);
         return ESP_FAIL;
     }
+    if(interface == USB_INTERFACE_CDC){
+        if(!tinyusb_reserve_out_endpoint(3) ||!tinyusb_reserve_in_endpoint(4) || !tinyusb_reserve_in_endpoint(5)){
+            log_e("CDC Reserve Endpoints Failed");
+            return ESP_FAIL;
+        }
+    }
     tinyusb_loaded_interfaces_mask |= (1U << interface);
     tinyusb_config_descriptor_len += descriptor_len;
     tinyusb_loaded_interfaces_callbacks[interface] = cb;
@@ -586,7 +587,7 @@ esp_err_t tinyusb_init(tinyusb_device_config_t *config) {
     }
     tinyusb_is_initialized = true;
 
-    tinyusb_endpoints.val = 0;
+    //tinyusb_endpoints.val = 0;
     tinyusb_apply_device_config(config);
     if (!tinyusb_load_enabled_interfaces()) {
         tinyusb_is_initialized = false;