68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __PORTAPACK_DMA_H__
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#define __PORTAPACK_DMA_H__
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#include <cstddef>
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#include "gpdma.hpp"
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using namespace lpc43xx;
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namespace portapack {
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/* GPDMA */
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/* DMA channel 0 has the highest priority and DMA channel 7 has the lowest
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* priority.
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*/
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/* Reserve channels 6 and 7 for memory-memory transfers. These channels
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* can't saturate AHB by design. */
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constexpr size_t sgpio_gpdma_channel_number = 0;
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constexpr size_t i2s0_tx_gpdma_channel_number = 2;
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constexpr size_t i2s0_rx_gpdma_channel_number = 3;
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constexpr size_t adc1_gpdma_channel_number = 4;
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constexpr size_t adc0_gpdma_channel_number = 5;
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constexpr gpdma::mux::MUX gpdma_mux {
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.peripheral_0 = gpdma::mux::Peripheral0::SGPIO14,
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.peripheral_1 = gpdma::mux::Peripheral1::TIMER0_MATCH_0,
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.peripheral_2 = gpdma::mux::Peripheral2::TIMER0_MATCH_1,
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.peripheral_3 = gpdma::mux::Peripheral3::TIMER1_MATCH_0,
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.peripheral_4 = gpdma::mux::Peripheral4::TIMER1_MATCH_1,
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.peripheral_5 = gpdma::mux::Peripheral5::TIMER2_MATCH_0,
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.peripheral_6 = gpdma::mux::Peripheral6::TIMER2_MATCH_1,
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.peripheral_7 = gpdma::mux::Peripheral7::TIMER3_MATCH_0,
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.peripheral_8 = gpdma::mux::Peripheral8::TIMER3_MATCH_1,
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.peripheral_9 = gpdma::mux::Peripheral9::I2S0_DMAREQ_1,
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.peripheral_10 = gpdma::mux::Peripheral10::I2S0_DMAREQ_2,
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.peripheral_11 = gpdma::mux::Peripheral11::SSP1_RX,
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.peripheral_12 = gpdma::mux::Peripheral12::SSP1_TX,
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.peripheral_13 = gpdma::mux::Peripheral13::ADC0,
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.peripheral_14 = gpdma::mux::Peripheral14::ADC1,
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.peripheral_15 = gpdma::mux::Peripheral15::DAC,
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};
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} /* namespace portapack */
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#endif/*__PORTAPACK_DMA_H__*/
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