usb: cdc support, streams redirection; ci, examples upd

tusb: cdc, tasks encapsulation, callbacks api, multiple interfaces
examples: added serial interface and usb console
ci: reimplemented cmake/make test in python with ignore lists

IDF-578

components/tinyusb/additions/src/tusb_tasks.c

@@ -0,0 +1,62 @@
+// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// 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 "esp_log.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "hal/usb_hal.h"
+#include "tinyusb.h"
+#include "tusb_tasks.h"
+#include "sdkconfig.h"
+
+const static char *TAG = "tusb_tsk";
+static TaskHandle_t s_tusb_tskh;
+
+/**
+ * @brief This top level thread processes all usb events and invokes callbacks
+ */
+static void tusb_device_task(void *arg)
+{
+    ESP_LOGD(TAG, "tinyusb task started");
+    while (1) { // RTOS forever loop
+        tud_task();
+    }
+}
+
+
+esp_err_t tusb_run_task(void)
+{
+    // Create a task for tinyusb device stack:
+    xTaskCreate(tusb_device_task, "tinyUSB: main task", CFG_TUD_MAINTASK_SIZE, NULL, CONFIG_USB_TASK_PRIORITY, &s_tusb_tskh);
+    if (!s_tusb_tskh) {
+        return ESP_FAIL;
+    } else {
+        return ESP_OK;
+    }
+}
+
+esp_err_t tusb_stop_task(void)
+{
+    if ( s_tusb_tskh != NULL ) {
+        vTaskDelete(s_tusb_tskh);
+    } else {
+        ESP_LOGE(TAG, "tinyusb task is not started");
+        return ESP_FAIL;
+    }
+    if (s_tusb_tskh) {
+        return ESP_FAIL;
+    } else {
+        return ESP_OK;
+    }
+}