40 lines
1.6 KiB
C
40 lines
1.6 KiB
C
/*
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* Copyright 2021 Andrei Purdea <andrei@purdea.ro>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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void usb_device_state_set_configuration(bool isConfigured, uint8_t configurationNumber);
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void usb_device_state_set_suspend(bool isConfigured, uint8_t configurationNumber);
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void usb_device_state_set_resume(bool isConfigured, uint8_t configurationNumber);
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void usb_device_state_set_reset(void);
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void usb_device_state_init(void);
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enum usb_device_state {
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USB_DEVICE_STATE_NO_INIT = 0, // We're in this state before calling usb_device_state_init()
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USB_DEVICE_STATE_INIT = 1, // Can consume up to 100mA
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USB_DEVICE_STATE_CONFIGURED = 2, // Can consume up to what is specified in configuration descriptor, typically 500mA
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USB_DEVICE_STATE_SUSPEND = 3 // Can consume only suspend current
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};
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extern enum usb_device_state usb_device_state;
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void notify_usb_device_state_change_kb(enum usb_device_state usb_device_state);
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void notify_usb_device_state_change_user(enum usb_device_state usb_device_state);
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