esp-idf/components/usb/test/common/test_usb_common.c

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/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdbool.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_err.h"
#include "hal/usb_phy_types.h"
#include "esp_private/usb_phy.h"
#include "test_usb_common.h"
static usb_phy_handle_t phy_hdl = NULL;
void test_usb_init_phy(void)
{
//Initialize the internal USB PHY to connect to the USB OTG peripheral
usb_phy_config_t phy_config = {
.controller = USB_PHY_CTRL_OTG,
.target = USB_PHY_TARGET_INT,
.otg_mode = USB_OTG_MODE_HOST,
.otg_speed = USB_PHY_SPEED_UNDEFINED, //In Host mode, the speed is determined by the connected device
.gpio_conf = NULL,
};
ESP_ERROR_CHECK(usb_new_phy(&phy_config, &phy_hdl));
}
void test_usb_deinit_phy(void)
{
//Deinitialize the internal USB PHY
ESP_ERROR_CHECK(usb_del_phy(phy_hdl));
phy_hdl = NULL;
}
void test_usb_set_phy_state(bool connected, TickType_t delay_ticks)
{
if (delay_ticks > 0) {
//Delay of 0 ticks causes a yield. So skip if delay_ticks is 0.
vTaskDelay(delay_ticks);
}
ESP_ERROR_CHECK(usb_phy_action(phy_hdl, (connected) ? USB_PHY_ACTION_HOST_ALLOW_CONN : USB_PHY_ACTION_HOST_FORCE_DISCONN));
}