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RIOT/pkg/tinyusb/hw/hw_esp32.c
2022-09-30 19:05:51 +02:00

42 lines
896 B
C

/*
* Copyright (C) 2022 Gunar Schorcht
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup pkg_tinyusb
* @brief
* @{
*
* @brief tinyUSB hardware driver for ESP32x SoCs
* @author Gunar Schorcht <gunar@schorcht.net>
*/
#include <errno.h>
#include "esp_err.h"
#include "esp_private/usb_phy.h"
#include "log.h"
static usb_phy_handle_t phy_hdl;
int tinyusb_hw_init(void)
{
usb_phy_config_t phy_conf = {
.controller = USB_PHY_CTRL_OTG,
.otg_mode = USB_OTG_MODE_DEVICE,
.target = USB_PHY_TARGET_INT, /* only internal PHY supported */
};
if (usb_new_phy(&phy_conf, &phy_hdl) != ESP_OK) {
LOG_TAG_ERROR("usb", "Install USB PHY failed");
return -ENODEV;
}
return 0;
}