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/*
* usb/txhandler.h -- USB Transmission Handling
*
* Copyright (C) 2017 Tomasz Kramkowski <tk@the-tk.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/>.
*/
#ifndef FMK_USB_TXHANDLER_H
#define FMK_USB_TXHANDLER_H
#include <reg/usbotg.h>
#include <stdbool.h>
#include <stddef.h>
struct tx_ctx {
volatile struct usb0_bd *bdt;
bool odd, data01;
void *data;
size_t size, max;
};
#define TX_CTX(b, m) ((struct tx_ctx){ .bdt = (b), .max = (m) })
void tx_que(struct tx_ctx *tx, void *data, size_t size);
bool tx_push(struct tx_ctx *tx);
bool tx_isempty(struct tx_ctx *tx);
#endif /* FMK_USB_TXHANDLER_H */
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