esp-idf/components/hal/esp32c3/include/hal/usb_phy_ll.h
songruojing 01143bd732 gpio: fix USB D+ pin cannot disable pullup
Internally, disable usb serial jtag DP pin's pullup when calling gpio_ll_pullup_dis and rtcio_ll_pullup_disable
At usb serial jtag setup/install, re-enable DP pin's pullup

Closes https://github.com/espressif/esp-idf/issues/9495
2022-08-19 15:05:28 +08:00

35 lines
764 B
C

/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "soc/usb_serial_jtag_struct.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Configures the internal PHY for USB_Serial_JTAG
*
* @param hw Start address of the USB Serial_JTAG registers
*/
static inline void usb_phy_ll_int_jtag_enable(usb_serial_jtag_dev_t *hw)
{
// USB_Serial_JTAG use internal PHY
hw->conf0.phy_sel = 0;
// Disable software control USB D+ D- pullup pulldown (Device FS: dp_pullup = 1)
hw->conf0.pad_pull_override = 0;
// Enable USB D+ pullup
hw->conf0.dp_pullup = 1;
// Enable USB pad function
hw->conf0.usb_pad_enable = 1;
}
#ifdef __cplusplus
}
#endif