81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
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/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 hathach for Adafruit Industries
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* Copyright (c) 2019 Lucian Copeland for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "supervisor/usb.h"
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#include "lib/utils/interrupt_char.h"
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#include "lib/mp-readline/readline.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "hal/usb_hal.h"
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#include "tusb.h"
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#ifdef CFG_TUSB_DEBUG
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#define USBD_STACK_SIZE (3*configMINIMAL_STACK_SIZE)
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#else
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#define USBD_STACK_SIZE (3*configMINIMAL_STACK_SIZE/2)
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#endif
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StackType_t usb_device_stack[USBD_STACK_SIZE];
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StaticTask_t usb_device_taskdef;
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// USB Device Driver task
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// This top level thread process all usb events and invoke callbacks
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void usb_device_task(void* param)
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{
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(void) param;
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// RTOS forever loop
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while (1)
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{
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// tinyusb device task
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if (tusb_inited()) {
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tud_task();
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tud_cdc_write_flush();
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}
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vTaskDelay(10);
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}
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}
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void init_usb_hardware(void) {
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usb_hal_context_t hal = {
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.use_external_phy = false // use built-in PHY
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};
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usb_hal_init(&hal);
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(void) xTaskCreateStatic(usb_device_task,
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"usbd",
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USBD_STACK_SIZE,
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NULL,
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configMAX_PRIORITIES-1,
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usb_device_stack,
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&usb_device_taskdef);
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}
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