1566e7012f
* fixed typo/bug: "hub->state += 2" must have been "hub->state = 2" to issue empty read Now, after each SET_ or CLEAR_ command, empty read is issued. + removed forward declaration of event() - cleaning Signed-off-by: Amir Hammad <amir.hammad@hotmail.com>
112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/*
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* This file is part of the libusbhost library
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* hosted at http://github.com/libusbhost/libusbhost
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*
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* Copyright (C) 2015 Amir Hammad <amir.hammad@hotmail.com>
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*
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*
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* libusbhost is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef USBH_DRIVER_HUB_PRIVATE_
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#define USBH_DRIVER_HUB_PRIVATE_
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#include "usbh_config.h"
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#include "driver/usbh_device_driver.h"
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#include "usbh_driver_hub.h"
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#include <stdint.h>
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#include <stdbool.h>
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#include <libopencm3/usb/usbstd.h>
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// # HUB DEFINITIONS
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#define HUB_FEATURE_PORT_CONNECTION 0
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#define HUB_FEATURE_PORT_ENABLE 1
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#define HUB_FEATURE_PORT_SUSPEND 2
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#define HUB_FEATURE_PORT_OVERCURRENT 3
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#define HUB_FEATURE_PORT_RESET 4
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#define HUB_FEATURE_PORT_POWER 8
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#define HUB_FEATURE_PORT_LOWSPEED 9
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#define HUB_FEATURE_PORT_HIGHSPEED 10
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#define HUB_FEATURE_C_PORT_CONNECTION 16
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#define HUB_FEATURE_C_PORT_ENABLE 17
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#define HUB_FEATURE_C_PORT_SUSPEND 18
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#define HUB_FEATURE_C_PORT_OVERCURRENT 19
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#define HUB_FEATURE_C_PORT_RESET 20
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#define HUB_REQ_GET_STATUS 0
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#define HUB_REQ_CLEAR_FEATURE 1
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#define HUB_REQ_SET_FEATURE 3
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#define HUB_REQ_GET_DESCRIPTOR 6
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#define USB_DT_HUB (41)
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#define USB_DT_HUB_SIZE (9)
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// Hub buffer: must be larger than hub descriptor
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#define USBH_HUB_BUFFER_SIZE (USB_DT_HUB_SIZE)
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#define CURRENT_PORT_NONE -1
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#define EMPTY_PACKET_READ_STATE 255
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struct _hub_device {
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usbh_device_t *device[USBH_HUB_MAX_DEVICES + 1];
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uint8_t buffer[USBH_HUB_BUFFER_SIZE];
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uint16_t endpoint_in_maxpacketsize;
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uint8_t endpoint_in_address;
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uint8_t endpoint_in_toggle;
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uint8_t state;
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uint8_t state_after_empty_read;
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uint8_t desc_len;
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uint16_t ports_num;
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int8_t index;
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int8_t current_port;
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struct {
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uint16_t sts;
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uint16_t stc;
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} hub_and_port_status[USBH_HUB_MAX_DEVICES + 1];
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bool busy;
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uint32_t time_curr_us;
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uint32_t timestamp_us;
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};
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typedef struct _hub_device hub_device_t;
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struct usb_hub_descriptor_head {
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uint8_t bDescLength;
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uint8_t bDescriptorType;
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uint8_t bNbrPorts;
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uint16_t wHubCharacteristics;
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uint8_t bPwrOn2PwrGood;
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uint8_t bHubContrCurrent;
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} __attribute__((packed));
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struct usb_hub_descriptor_body {
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uint8_t bDeviceRemovable;
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uint8_t PortPwrCtrlMask;
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} __attribute__((packed));
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// for hubs with up to 7 ports on hub
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struct usb_hub_descriptor {
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struct usb_hub_descriptor_head head;
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struct usb_hub_descriptor_body body[1];
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} __attribute__((packed));
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#endif
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