kopia lustrzana https://github.com/espressif/esp-idf
65 wiersze
1.9 KiB
C
65 wiersze
1.9 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include "hal/usb_phy_ll.h"
|
|
#include "hal/usb_phy_hal.h"
|
|
|
|
void usb_phy_hal_init(usb_phy_hal_context_t *hal)
|
|
{
|
|
hal->wrap_dev = &USB_WRAP;
|
|
#if SOC_USB_SERIAL_JTAG_SUPPORTED
|
|
hal->jtag_dev = &USB_SERIAL_JTAG;
|
|
#endif
|
|
}
|
|
|
|
void usb_phy_hal_otg_conf(usb_phy_hal_context_t *hal, usb_phy_target_t phy_target)
|
|
{
|
|
if (phy_target == USB_PHY_TARGET_EXT) {
|
|
usb_phy_ll_ext_otg_enable(hal->wrap_dev);
|
|
} else if (phy_target == USB_PHY_TARGET_INT) {
|
|
usb_phy_ll_usb_wrap_pad_enable(hal->wrap_dev, true);
|
|
usb_phy_ll_int_otg_enable(hal->wrap_dev);
|
|
}
|
|
}
|
|
|
|
#if SOC_USB_SERIAL_JTAG_SUPPORTED
|
|
void usb_phy_hal_jtag_conf(usb_phy_hal_context_t *hal, usb_phy_target_t phy_target)
|
|
{
|
|
if (phy_target == USB_PHY_TARGET_EXT) {
|
|
usb_phy_ll_ext_jtag_enable(hal->jtag_dev);
|
|
} else if (phy_target == USB_PHY_TARGET_INT) {
|
|
usb_phy_ll_int_jtag_enable(hal->jtag_dev);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void usb_phy_hal_int_load_conf_host(usb_phy_hal_context_t *hal)
|
|
{
|
|
// HOST - upstream: dp_pd = 1, dm_pd = 1
|
|
usb_phy_ll_int_load_conf(hal->wrap_dev, false, true, false, true);
|
|
}
|
|
|
|
void usb_phy_hal_int_load_conf_dev(usb_phy_hal_context_t *hal, usb_phy_speed_t speed)
|
|
{
|
|
// DEVICE - downstream
|
|
if (speed == USB_PHY_SPEED_LOW) {
|
|
// LS: dm_pu = 1
|
|
usb_phy_ll_int_load_conf(hal->wrap_dev, false, false, true, false);
|
|
} else {
|
|
// FS: dp_pu = 1
|
|
usb_phy_ll_int_load_conf(hal->wrap_dev, true, false, false, false);
|
|
}
|
|
}
|
|
|
|
void usb_phy_hal_int_mimick_disconn(usb_phy_hal_context_t *hal, bool disconn)
|
|
{
|
|
/*
|
|
We mimick a disconnect by enabling the internal PHY's test mode, then forcing the output_enable to HIGH. This will:
|
|
A HIGH output_enable will cause the received VP and VM to be zero, thus mimicking a disconnection.
|
|
*/
|
|
usb_phy_ll_int_enable_test_mode(hal->wrap_dev, disconn);
|
|
}
|