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Diffstat (limited to 'fw/src/usbh_driver_hub_private.h')
| -rw-r--r-- | fw/src/usbh_driver_hub_private.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/fw/src/usbh_driver_hub_private.h b/fw/src/usbh_driver_hub_private.h new file mode 100644 index 0000000..8c9bc44 --- /dev/null +++ b/fw/src/usbh_driver_hub_private.h @@ -0,0 +1,123 @@ +/* + * This file is part of the libusbhost library + * hosted at http://github.com/libusbhost/libusbhost + * + * Copyright (C) 2015 Amir Hammad <amir.hammad@hotmail.com> + * + * + * libusbhost is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This library 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library. If not, see <http://www.gnu.org/licenses/>. + * + */ + +#ifndef USBH_DRIVER_HUB_PRIVATE_ +#define USBH_DRIVER_HUB_PRIVATE_ + +#include "usbh_config.h" +#include "driver/usbh_device_driver.h" +#include "usbh_driver_hub.h" + +#include <stdint.h> +#include <stdbool.h> +#include <libopencm3/usb/usbstd.h> + + +// # HUB DEFINITIONS +#define HUB_FEATURE_PORT_CONNECTION 0 +#define HUB_FEATURE_PORT_ENABLE 1 +#define HUB_FEATURE_PORT_SUSPEND 2 +#define HUB_FEATURE_PORT_OVERCURRENT 3 +#define HUB_FEATURE_PORT_RESET 4 +#define HUB_FEATURE_PORT_POWER 8 +#define HUB_FEATURE_PORT_LOWSPEED 9 +#define HUB_FEATURE_PORT_HIGHSPEED 10 + +#define HUB_FEATURE_C_PORT_CONNECTION 16 +#define HUB_FEATURE_C_PORT_ENABLE 17 +#define HUB_FEATURE_C_PORT_SUSPEND 18 +#define HUB_FEATURE_C_PORT_OVERCURRENT 19 +#define HUB_FEATURE_C_PORT_RESET 20 + +#define HUB_REQ_GET_STATUS 0 +#define HUB_REQ_CLEAR_FEATURE 1 +#define HUB_REQ_SET_FEATURE 3 +#define HUB_REQ_GET_DESCRIPTOR 6 + +#define USB_DT_HUB (41) +#define USB_DT_HUB_SIZE (9) +// Hub buffer: must be larger than hub descriptor +#define USBH_HUB_BUFFER_SIZE (USB_DT_HUB_SIZE) + + +#define CURRENT_PORT_NONE -1 + +enum EVENT_STATE { + EVENT_STATE_NONE, + EVENT_STATE_INITIAL, + EVENT_STATE_POLL_REQ, + EVENT_STATE_POLL, + EVENT_STATE_READ_HUB_DESCRIPTOR_COMPLETE, + EVENT_STATE_ENABLE_PORTS, + EVENT_STATE_GET_PORT_STATUS, + EVENT_STATE_PORT_RESET_REQ, + EVENT_STATE_PORT_RESET_COMPLETE, + EVENT_STATE_SLEEP_500_MS, + EVENT_STATE_GET_STATUS_COMPLETE, +}; + +struct _hub_device { + usbh_device_t *device[USBH_HUB_MAX_DEVICES + 1]; + uint8_t buffer[USBH_HUB_BUFFER_SIZE]; + uint16_t endpoint_in_maxpacketsize; + uint8_t endpoint_in_address; + uint8_t endpoint_in_toggle; + enum EVENT_STATE state; + + uint8_t desc_len; + uint16_t ports_num; + int8_t index; + int8_t current_port; + + struct { + uint16_t sts; + uint16_t stc; + } hub_and_port_status[USBH_HUB_MAX_DEVICES + 1]; + + bool busy; + + uint32_t time_curr_us; + uint32_t timestamp_us; +}; + +typedef struct _hub_device hub_device_t; + +struct usb_hub_descriptor_head { + uint8_t bDescLength; + uint8_t bDescriptorType; + uint8_t bNbrPorts; + uint16_t wHubCharacteristics; + uint8_t bPwrOn2PwrGood; + uint8_t bHubContrCurrent; +} __attribute__((packed)); +struct usb_hub_descriptor_body { + uint8_t bDeviceRemovable; + uint8_t PortPwrCtrlMask; +} __attribute__((packed)); + +// for hubs with up to 7 ports on hub +struct usb_hub_descriptor { + struct usb_hub_descriptor_head head; + struct usb_hub_descriptor_body body[1]; +} __attribute__((packed)); + +#endif |