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/*
* Copyright 2015 Hannes Ellinger
*
* This file is part of Project Ubertooth.
*
* 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, 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __UBERTOOTH_DMA_H
#define __UBERTOOTH_DMA_H value
#include "inttypes.h"
#include "ubertooth.h"
extern volatile uint8_t rxbuf1[DMA_SIZE];
extern volatile uint8_t rxbuf2[DMA_SIZE];
/*
* The active buffer is the one with an active DMA transfer.
* The idle buffer is the one we can read/write between transfers.
*/
extern volatile uint8_t* volatile active_rxbuf;
extern volatile uint8_t* volatile idle_rxbuf;
/* rx terminal count and error interrupt counters */
extern volatile uint32_t rx_tc;
extern volatile uint32_t rx_err;
void dma_poweron();
void dma_poweroff();
void dma_init_rx_symbols();
void dma_init_le();
void dio_ssp_start();
void dio_ssp_stop();
#endif
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