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34 lines
1.0 KiB
C
34 lines
1.0 KiB
C
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/*
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* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdbool.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "soc/usb_wrap_struct.h"
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#include "test_usb_common.h"
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void test_usb_force_conn_state(bool connected, TickType_t delay_ticks)
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{
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if (delay_ticks > 0) {
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//Delay of 0 ticks causes a yield. So skip if delay_ticks is 0.
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vTaskDelay(delay_ticks);
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}
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usb_wrap_dev_t *wrap = &USB_WRAP;
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if (connected) {
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//Disable test mode to return to previous internal PHY configuration
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wrap->test_conf.test_enable = 0;
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} else {
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/*
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Mimic a disconnection by using the internal PHY's test mode.
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Force Output Enable to 1 (even if the controller isn't outputting). With test_tx_dp and test_tx_dm set to 0,
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this will look like a disconnection.
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*/
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wrap->test_conf.val = 0;
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wrap->test_conf.test_usb_wrap_oe = 1;
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wrap->test_conf.test_enable = 1;
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}
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}
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