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36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/*
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* This file is part of the nitrogen project.
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* Copyright 2023 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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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 <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stm32f3.h>
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typedef enum{
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SPI_NOTREADY,
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SPI_READY,
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SPI_BUSY
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} spiStatus;
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extern spiStatus spi_status;
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void spi_setup();
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int spi_waitbsy();
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int spi_write(const uint8_t *data, uint32_t n);
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int spi_write_dma(const uint8_t *data, uint8_t *rxbuf, uint32_t n);
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int spi_read(uint8_t *data, uint32_t n);
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uint8_t *spi_read_dma(uint32_t *n);
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