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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2022 Blake W. Felt & Angus Gratton
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "py/mpconfig.h"
#if MICROPY_HW_ENABLE_USBDEV
#include "mp_usbd.h"
#ifndef NO_QSTR
#include "device/dcd.h"
#endif
#if !MICROPY_HW_ENABLE_USB_RUNTIME_DEVICE
void mp_usbd_task(void) {
tud_task_ext(0, false);
}
void mp_usbd_task_callback(mp_sched_node_t *node) {
(void)node;
mp_usbd_task();
}
#endif // !MICROPY_HW_ENABLE_USB_RUNTIME_DEVICE
extern void __real_dcd_event_handler(dcd_event_t const *event, bool in_isr);
// If -Wl,--wrap=dcd_event_handler is passed to the linker, then this wrapper
// will be called and allows MicroPython to schedule the TinyUSB task when
// dcd_event_handler() is called from an ISR.
TU_ATTR_FAST_FUNC void __wrap_dcd_event_handler(dcd_event_t const *event, bool in_isr) {
__real_dcd_event_handler(event, in_isr);
mp_usbd_schedule_task();
}
TU_ATTR_FAST_FUNC void mp_usbd_schedule_task(void) {
static mp_sched_node_t usbd_task_node;
mp_sched_schedule_node(&usbd_task_node, mp_usbd_task_callback);
}
void mp_usbd_hex_str(char *out_str, const uint8_t *bytes, size_t bytes_len) {
size_t hex_len = bytes_len * 2;
for (int i = 0; i < hex_len; i += 2) {
static const char *hexdig = "0123456789abcdef";
out_str[i] = hexdig[bytes[i / 2] >> 4];
out_str[i + 1] = hexdig[bytes[i / 2] & 0x0f];
}
out_str[hex_len] = 0;
}
#endif // MICROPY_HW_ENABLE_USBDEV
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