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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Damien P. George
*
* 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/runtime.h"
#include "py/mphal.h"
#include "usb.h"
#if MICROPY_HW_USB_CDC
#include "esp_rom_gpio.h"
#include "esp_mac.h"
#include "esp_private/usb_phy.h"
#include "shared/tinyusb/mp_usbd.h"
static usb_phy_handle_t phy_hdl;
void usb_init(void) {
// ref: https://github.com/espressif/esp-usb/blob/4b6a798d0bed444fff48147c8dcdbbd038e92892/device/esp_tinyusb/tinyusb.c
// Configure USB PHY
usb_phy_config_t phy_conf = {
.controller = USB_PHY_CTRL_OTG,
.otg_mode = USB_OTG_MODE_DEVICE,
};
// Internal USB PHY
phy_conf.target = USB_PHY_TARGET_INT;
// Init ESP USB Phy
usb_new_phy(&phy_conf, &phy_hdl);
// Init MicroPython / TinyUSB
mp_usbd_init();
}
#if CONFIG_IDF_TARGET_ESP32S3
void usb_usj_mode(void) {
// Switch the USB PHY back to Serial/Jtag mode, disabling OTG support
// This should be run before jumping to bootloader.
usb_del_phy(phy_hdl);
usb_phy_config_t phy_conf = {
.controller = USB_PHY_CTRL_SERIAL_JTAG,
};
usb_new_phy(&phy_conf, &phy_hdl);
}
#endif
void mp_usbd_port_get_serial_number(char *serial_buf) {
// use factory default MAC as serial ID
uint8_t mac[8];
esp_efuse_mac_get_default(mac);
MP_STATIC_ASSERT(sizeof(mac) * 2 <= MICROPY_HW_USB_DESC_STR_MAX);
mp_usbd_hex_str(serial_buf, mac, sizeof(mac));
}
#endif // MICROPY_HW_USB_CDC
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