52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
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Copyright 2018 Massdrop Inc.
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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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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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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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#ifndef _USB2422_H_
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#define _USB2422_H_
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#define REV_USB2422 0x100
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#define PORT_DETECT_RETRY_INTERVAL 2000
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#define USB_EXTRA_ADC_THRESHOLD 900
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#define USB_EXTRA_STATE_DISABLED 0
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#define USB_EXTRA_STATE_ENABLED 1
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#define USB_EXTRA_STATE_UNKNOWN 2
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#define USB_EXTRA_STATE_DISABLED_UNTIL_REPLUG 3
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#define USB_HOST_PORT_1 0
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#define USB_HOST_PORT_2 1
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#define USB_HOST_PORT_UNKNOWN 2
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extern uint8_t usb_host_port;
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extern uint8_t usb_extra_state;
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extern uint8_t usb_extra_manual;
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extern uint8_t usb_gcr_auto;
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void USB_Hub_init(void);
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uint8_t USB_Hub_Port_Detect_Init(void);
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void USB_reset(void);
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void USB_configure(void);
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uint16_t USB_active(void);
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void USB_set_host_by_voltage(void);
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uint16_t adc_get(uint8_t muxpos);
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void USB_HandleExtraDevice(void);
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void USB_ExtraSetState(uint8_t state);
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#endif //_USB2422_H_
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