102 lines
2.3 KiB
C
102 lines
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);
|
|
|