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-rw-r--r--quantum/usb_device_state.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/quantum/usb_device_state.h b/quantum/usb_device_state.h
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+/*
+ * Copyright 2021 Andrei Purdea <andrei@purdea.ro>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+void usb_device_state_set_configuration(bool isConfigured, uint8_t configurationNumber);
+void usb_device_state_set_suspend(bool isConfigured, uint8_t configurationNumber);
+void usb_device_state_set_resume(bool isConfigured, uint8_t configurationNumber);
+void usb_device_state_set_reset(void);
+void usb_device_state_init(void);
+
+enum usb_device_state {
+ USB_DEVICE_STATE_NO_INIT = 0, // We're in this state before calling usb_device_state_init()
+ USB_DEVICE_STATE_INIT = 1, // Can consume up to 100mA
+ USB_DEVICE_STATE_CONFIGURED = 2, // Can consume up to what is specified in configuration descriptor, typically 500mA
+ USB_DEVICE_STATE_SUSPEND = 3 // Can consume only suspend current
+};
+
+extern enum usb_device_state usb_device_state;
+
+void notify_usb_device_state_change_kb(enum usb_device_state usb_device_state);
+void notify_usb_device_state_change_user(enum usb_device_state usb_device_state);