66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
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* parallel_bus.h
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*
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* Created on: Nov 26, 2011
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* Author: Doug
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*
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* Copyright (C) 2011-2023 Doug Brown
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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 3 of the License, or
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* (at your option) 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. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#ifndef HAL_PARALLEL_BUS_H_
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#define HAL_PARALLEL_BUS_H_
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#include <stdint.h>
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#include <stdbool.h>
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void ParallelBus_Init(void);
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void ParallelBus_SetAddress(uint32_t address);
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void ParallelBus_SetData(uint32_t data);
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void ParallelBus_SetCS(bool high);
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void ParallelBus_SetOE(bool high);
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void ParallelBus_SetWE(bool high);
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void ParallelBus_SetAddressDir(uint32_t outputs);
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void ParallelBus_SetDataDir(uint32_t outputs);
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void ParallelBus_SetCSDir(bool output);
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void ParallelBus_SetOEDir(bool output);
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void ParallelBus_SetWEDir(bool output);
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void ParallelBus_SetAddressPullups(uint32_t pullups);
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void ParallelBus_SetAddressPulldowns(uint32_t pulldowns);
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void ParallelBus_SetDataPullups(uint32_t pullups);
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void ParallelBus_SetDataPulldowns(uint32_t pulldowns);
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void ParallelBus_SetCSPullup(bool pullup);
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void ParallelBus_SetCSPulldown(bool pulldown);
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void ParallelBus_SetOEPullup(bool pullup);
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void ParallelBus_SetOEPulldown(bool pulldown);
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void ParallelBus_SetWEPullup(bool pullup);
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void ParallelBus_SetWEPulldown(bool pulldown);
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uint32_t ParallelBus_ReadAddress(void);
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uint32_t ParallelBus_ReadData(void);
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bool ParallelBus_ReadCS(void);
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bool ParallelBus_ReadOE(void);
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bool ParallelBus_ReadWE(void);
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void ParallelBus_WriteCycle(uint32_t address, uint32_t data);
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uint32_t ParallelBus_ReadCycle(uint32_t address);
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void ParallelBus_Read(uint32_t startAddress, uint32_t *buf, uint16_t len);
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#endif /* HAL_PARALLEL_BUS_H_ */
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