kopia lustrzana https://github.com/micropython/micropython
76 wiersze
2.5 KiB
C
76 wiersze
2.5 KiB
C
/*
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* This file is part of the MicroPython 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) 2022 Blake W. Felt & Angus Gratton
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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 "py/mpconfig.h"
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#if MICROPY_HW_ENABLE_USBDEV
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#include "mp_usbd.h"
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#ifndef NO_QSTR
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#include "device/dcd.h"
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#endif
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#if !MICROPY_HW_ENABLE_USB_RUNTIME_DEVICE
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void mp_usbd_task(void) {
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tud_task_ext(0, false);
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}
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void mp_usbd_task_callback(mp_sched_node_t *node) {
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(void)node;
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mp_usbd_task();
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}
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#endif // !MICROPY_HW_ENABLE_USB_RUNTIME_DEVICE
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extern void __real_dcd_event_handler(dcd_event_t const *event, bool in_isr);
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// If -Wl,--wrap=dcd_event_handler is passed to the linker, then this wrapper
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// will be called and allows MicroPython to schedule the TinyUSB task when
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// dcd_event_handler() is called from an ISR.
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TU_ATTR_FAST_FUNC void __wrap_dcd_event_handler(dcd_event_t const *event, bool in_isr) {
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__real_dcd_event_handler(event, in_isr);
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mp_usbd_schedule_task();
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}
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TU_ATTR_FAST_FUNC void mp_usbd_schedule_task(void) {
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static mp_sched_node_t usbd_task_node;
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mp_sched_schedule_node(&usbd_task_node, mp_usbd_task_callback);
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}
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void mp_usbd_hex_str(char *out_str, const uint8_t *bytes, size_t bytes_len) {
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size_t hex_len = bytes_len * 2;
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for (int i = 0; i < hex_len; i += 2) {
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static const char *hexdig = "0123456789abcdef";
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out_str[i] = hexdig[bytes[i / 2] >> 4];
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out_str[i + 1] = hexdig[bytes[i / 2] & 0x0f];
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}
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out_str[hex_len] = 0;
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}
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#endif // MICROPY_HW_ENABLE_USBDEV
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