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https://github.com/RIOT-OS/RIOT.git
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141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
/*
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* Copyright (C) 2015 PHYTEC Messtechnik GmbH
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup drivers_kw2xrf
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* @{
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* @file
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* @brief Definition of KW2XRF SPI functions
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*
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* @author Johann Fischer <j.fischer@phytec.de>
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*/
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#ifndef KW2XRF_SPI_H
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#define KW2XRF_SPI_H
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#include <stdio.h>
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#include "board.h"
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#include "cpu.h"
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#include "periph/spi.h"
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#include "periph_conf.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief SPI interface initialization
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* @param[in] dev device descriptor
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*
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* @return 0 on success
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* @return -1 on error
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*/
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int kw2xrf_spi_init(kw2xrf_t *dev);
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/**
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* @brief Writes a byte to the kw2xrf register.
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*
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* @param[in] dev device descriptor
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* @param[in] addr Address of the register to write.
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* @param[in] value The value to write in the register.
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*/
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void kw2xrf_write_dreg(kw2xrf_t *dev, uint8_t addr, uint8_t value);
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/**
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* @brief Reads a byte from the kw2xrf register.
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*
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* @param[in] dev device descriptor
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* @param[in] addr Address of the register to read.
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* @return Value of the register.
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*/
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uint8_t kw2xrf_read_dreg(kw2xrf_t *dev, uint8_t addr);
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/**
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* @brief Writes to kw2xrf direct registers.
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*
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* @param[in] dev device descriptor
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* @param[in] addr Address of the register to write into.
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* @param[in] buf Value that shall be written.
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* @param[in] length Length of the register.
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*/
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void kw2xrf_write_dregs(kw2xrf_t *dev, uint8_t addr, uint8_t *buf, uint8_t length);
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/**
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* @brief Reads a byte from the kw2xrf indirect register.
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*
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* @param[in] dev device descriptor
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* @param[in] addr Address of the register to read.
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* @param[in] buf Buffer, where the content of the reg shall be written to.
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* @param[in] length Length of the register.
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*/
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void kw2xrf_read_dregs(kw2xrf_t *dev, uint8_t addr, uint8_t *buf, uint8_t length);
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/**
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* @brief Writes to a byte from the kw2xrf indirect register.
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*
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* @param[in] dev device descriptor
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* @param[in] addr Address of the register to write into.
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* @param[in] value Value that shall be written.
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*/
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void kw2xrf_write_ireg(kw2xrf_t *dev, uint8_t addr, uint8_t value);
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/**
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* @brief Reads a byte from the kw2xrf indirect register.
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*
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* @param[in] dev device descriptor
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* @param[in] addr Address of the register to read.
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*
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* @return value in the register
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*/
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uint8_t kw2xrf_read_ireg(kw2xrf_t *dev, uint8_t addr);
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/**
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* @brief Writes to kw2xrf indirect registers.
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*
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* @param[in] dev device descriptor
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* @param[in] addr Address of the register to write into.
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* @param[in] buf Value that shall be written.
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* @param[in] length Length of the register.
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*/
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void kw2xrf_write_iregs(kw2xrf_t *dev, uint8_t addr, uint8_t *buf, uint8_t length);
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/**
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* @brief Reads a byte from the kw2xrf indirect register.
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*
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* @param[in] dev device descriptor
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* @param[in] addr Address of the register to read.
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* @param[in] buf Buffer, where the content of the reg shall be written to.
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* @param[in] length Length of the register.
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*/
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void kw2xrf_read_iregs(kw2xrf_t *dev, uint8_t addr, uint8_t *buf, uint8_t length);
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/**
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* @brief Writes multiple bytes to the kw2xrf fifo.
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*
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* @param[in] dev device descriptor
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* @param[in] data A buffer with the value to write to the fifo.
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* @param[in] data_length The count of bytes which should be written.
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*/
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void kw2xrf_write_fifo(kw2xrf_t *dev, uint8_t *data, uint8_t data_length);
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/**
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* @brief Reads multiple bytes from the kw2xrf fifo.
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*
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* @param[in] dev device descriptor
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* @param[out] data A buffer to store the value of the fifo.
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* @param[in] data_length The count of bytes which should be read.
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*/
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void kw2xrf_read_fifo(kw2xrf_t *dev, uint8_t *data, uint8_t data_length);
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#ifdef __cplusplus
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}
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#endif
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#endif /* KW2XRF_SPI_H */
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/** @} */
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