68 lines
2.4 KiB
C++
Raw Normal View History

2015-07-08 08:39:24 -07:00
/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* 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 __PORTAPACK_DMA_H__
#define __PORTAPACK_DMA_H__
#include <cstddef>
#include "gpdma.hpp"
using namespace lpc43xx;
namespace portapack {
/* GPDMA */
/* DMA channel 0 has the highest priority and DMA channel 7 has the lowest
* priority.
*/
/* Reserve channels 6 and 7 for memory-memory transfers. These channels
* can't saturate AHB by design. */
constexpr size_t sgpio_gpdma_channel_number = 0;
constexpr size_t i2s0_tx_gpdma_channel_number = 2;
constexpr size_t i2s0_rx_gpdma_channel_number = 3;
constexpr size_t adc1_gpdma_channel_number = 4;
constexpr size_t adc0_gpdma_channel_number = 5;
constexpr gpdma::mux::MUX gpdma_mux {
.peripheral_0 = gpdma::mux::Peripheral0::SGPIO14,
.peripheral_1 = gpdma::mux::Peripheral1::TIMER0_MATCH_0,
.peripheral_2 = gpdma::mux::Peripheral2::TIMER0_MATCH_1,
.peripheral_3 = gpdma::mux::Peripheral3::TIMER1_MATCH_0,
.peripheral_4 = gpdma::mux::Peripheral4::TIMER1_MATCH_1,
.peripheral_5 = gpdma::mux::Peripheral5::TIMER2_MATCH_0,
.peripheral_6 = gpdma::mux::Peripheral6::TIMER2_MATCH_1,
.peripheral_7 = gpdma::mux::Peripheral7::TIMER3_MATCH_0,
.peripheral_8 = gpdma::mux::Peripheral8::TIMER3_MATCH_1,
.peripheral_9 = gpdma::mux::Peripheral9::I2S0_DMAREQ_1,
.peripheral_10 = gpdma::mux::Peripheral10::I2S0_DMAREQ_2,
.peripheral_11 = gpdma::mux::Peripheral11::SSP1_RX,
.peripheral_12 = gpdma::mux::Peripheral12::SSP1_TX,
.peripheral_13 = gpdma::mux::Peripheral13::ADC0,
.peripheral_14 = gpdma::mux::Peripheral14::ADC1,
.peripheral_15 = gpdma::mux::Peripheral15::DAC,
};
} /* namespace portapack */
#endif/*__PORTAPACK_DMA_H__*/