circuitpython/ports/mimxrt10xx/common-hal/usb_host/Port.c

59 lines
2.2 KiB
C

/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2022 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "shared-bindings/microcontroller/Pin.h"
#include "shared-bindings/usb_host/Port.h"
#include "py/runtime.h"
bool usb_host_init;
void common_hal_usb_host_port_construct(usb_host_port_obj_t *self, const mcu_pin_obj_t *dp, const mcu_pin_obj_t *dm) {
const mcu_pin_obj_t *supported_dp;
const mcu_pin_obj_t *supported_dm;
if (CIRCUITPY_USB_HOST_INSTANCE == 0) {
supported_dp = &pin_USB_OTG1_DP;
supported_dm = &pin_USB_OTG1_DN;
} else if (CIRCUITPY_USB_HOST_INSTANCE == 1) {
supported_dp = &pin_USB_OTG2_DP;
supported_dm = &pin_USB_OTG2_DN;
}
if (dp != supported_dp || dm != supported_dm) {
raise_ValueError_invalid_pins();
}
self->init = true;
usb_host_init = true;
}
void common_hal_usb_host_port_deinit(usb_host_port_obj_t *self) {
self->init = false;
usb_host_init = false;
}
bool common_hal_usb_host_port_deinited(usb_host_port_obj_t *self) {
return !self->init;
}