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/*
* Copyright © 2018 Keith Packard <keithp@keithp.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 2 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.
*/
#ifndef _AO_USB_GEN_H_
#define _AO_USB_GEN_H_
#include "ao.h"
#include "ao_usb.h"
#include "ao_product.h"
#include <stdint.h>
#define USB_ECHO 0
#ifndef USE_USB_STDIO
#define USE_USB_STDIO 1
#endif
#if USE_USB_STDIO
#define AO_USB_OUT_SLEEP_ADDR (&ao_stdin_ready)
#else
#define AO_USB_OUT_SLEEP_ADDR (&ao_usb_out_avail)
#endif
struct ao_usb_setup {
uint8_t dir_type_recip;
uint8_t request;
uint16_t value;
uint16_t index;
uint16_t length;
} ao_usb_setup;
#define AO_USB_EP0_GOT_RESET 1
#define AO_USB_EP0_GOT_SETUP 2
#define AO_USB_EP0_GOT_RX_DATA 4
#define AO_USB_EP0_GOT_TX_ACK 8
/*
* End point register indices
*/
#define AO_USB_CONTROL_EPR 0
#define AO_USB_INT_EPR 1
#define AO_USB_OUT_EPR 2
#define AO_USB_IN_EPR 3
/* Device interfaces required */
/* Queue IN bytes to EP0 */
void
ao_usb_dev_ep0_init(void);
void
ao_usb_dev_ep0_in(const void *data, uint16_t len);
bool
ao_usb_dev_ep0_in_busy(void);
/* Receive OUT bytes from EP0 */
uint16_t
ao_usb_dev_ep0_out(void *data, uint16_t len);
/* Set device address */
void
ao_usb_dev_set_address(uint8_t address);
void
ao_usb_dev_enable(void);
void
ao_usb_dev_disable(void);
void
ao_usb_dev_init(void);
/* Queue IN bytes to EPn */
void
ao_usb_dev_ep_in(uint8_t ep, const void *data, uint16_t len);
bool
ao_usb_dev_ep_in_busy(uint8_t ep);
/* Receive OUT bytes from EPn */
uint16_t
ao_usb_dev_ep_out(uint8_t ep, void *data, uint16_t len);
/* General interfaces provided */
void
ao_usb_ep0_interrupt(uint8_t mask);
void
ao_usb_in_interrupt(uint32_t mask);
void
ao_usb_out_interrupt(uint32_t mask);
void
ao_usb_int_interrupt(uint32_t mask);
#endif /* _AO_USB_GEN_H_ */
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