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controller/Bootloader/usb-internal.h
Jacob Alexander 5f262ea4b6 Code cleanup
- Changing header file ifndef define to pragma once's
- Removed duplicate output_com.h's
2015-06-14 14:33:40 -07:00

102 řádky
2.3 KiB
C

/* Copyright (c) 2011,2012 Simon Schubert <2@0x2c.org>.
* Modifications by Jacob Alexander 2014-2015 <haata@kiibohd.com>
*
* 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 3 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
/**
* Internal driver structures
*/
/**
* USB state machine
* =================
*
* Device configuration states:
*
* Attached <-> Powered
* Powered -(reset)-> Default
* Default -(SET_ADDRESS)-> Address
* Address -(SET_CONFIGURATION)-> Configured
* Configured -(SET_CONFIGURATION 0)-> Address
* Address -(SET_ADDRESS 0)-> Default
* [Default, Configured, Address] -(reset)-> Default
*/
// ----- Defines -----
#ifndef USB_MAX_EP
#define USB_MAX_EP 16
#endif
// ----- Structs -----
struct usbd_ep_pipe_state_t {
enum usb_ep_pingpong pingpong; /* next desc to use */
enum usb_data01 data01;
size_t transfer_size;
size_t pos;
uint8_t *data_buf;
const uint8_t *copy_source;
int short_transfer;
ep_callback_t callback;
void *callback_data;
size_t ep_maxsize;
/* constant */
int ep_num;
enum usb_ep_dir ep_dir;
};
struct usbd_ep_state_t {
union {
struct usbd_ep_pipe_state_t pipe[2];
struct {
struct usbd_ep_pipe_state_t rx;
struct usbd_ep_pipe_state_t tx;
};
};
};
struct usbd_t {
struct usbd_function_ctx_header functions;
struct usbd_function control_function;
const struct usbd_device *identity;
int address;
int config;
enum usbd_dev_state {
USBD_STATE_DISABLED = 0,
USBD_STATE_DEFAULT,
USBD_STATE_SETTING_ADDRESS,
USBD_STATE_ADDRESS,
USBD_STATE_CONFIGURED
} state;
enum usb_ctrl_req_dir ctrl_dir;
struct usbd_ep_state_t ep_state[USB_MAX_EP];
};
extern struct usbd_t usb;
// ----- Functions -----
void usb_restart(void);
void usb_enable(void);
const struct usbd_config *usb_get_config_data(int config);