Keenan Tims
6648373d8e
NXP is constantly breaking links, but it was found at: https://www.nxp.com/design/software/development-software/mcuxpresso-software-and-tools-/mcu-bootloader-for-nxp-microcontrollers:MCUBOOT
87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
/*
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* Copyright 2020 - 2022 NXP
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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*/
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#ifndef __SPI_H__
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#define __SPI_H__
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#include <fcntl.h>
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#include <linux/spi/spidev.h>
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#include <linux/types.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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//! @addtogroup spi
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//! @{
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/*******************************************************************************
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* API
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******************************************************************************/
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#if __cplusplus
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extern "C"
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{
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#endif
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//! @name SPI
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//@{
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//! @brief Configure the opened device port.
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//!
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//! @param fd Device port handler.
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//! @param speed Device clock frequency.
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//! @param mode Polarity and phase mode.
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//! @param bits_per_word Transfer size.
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int spi_setup(int fd, uint32_t speed, uint32_t mode, uint32_t bits_per_word);
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//! @brief Set the transfer timeout.
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//!
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//! @param fd Device port handler.
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//! @param miliseconds Transfer timeout.
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int spi_set_timeout(int fd, uint32_t miliseconds);
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//! @brief Write bytes.
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//!
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//! @param fd Device port handler.
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//! @param buf Pointer to buffer.
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//! @param size Number of bytes to write.
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int spi_write(int fd, char *buf, int size);
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//! @brief Read bytes.
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//!
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//! @param fd Device port handler.
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//! @param buf Pointer to buffer.
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//! @param size Number of bytes to read.
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int spi_read(int fd, char *buf, int size);
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//! @brief Open the device port.
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//!
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//! @param port Device port string.
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int spi_open(char *port);
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//! @brief Close the device port.
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//!
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//! @param fd Device port handler.
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int spi_close(int fd);
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//@}
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#if __cplusplus
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}
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#endif
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//! @}
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#endif //__SPI_H__
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////////////////////////////////////////////////////////////////////////////////
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// EOF
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////////////////////////////////////////////////////////////////////////////////
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