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93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
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/**
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* cc2420_spi.h - Definition of CC2420 SPI functions.
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* Copyright (C) 2013 Milan Babel <babel@inf.fu-berlin.de>
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*
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* This source code is licensed under the GNU Lesser General Public License,
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* Version 2. See the file LICENSE for more details.
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*/
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/**
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* @ingroup CC2420
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* @{
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* @file
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* @brief Definition of CC2420 SPI functions
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* @author Milan Babel <babel@inf.fu-berlin.de>
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*
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*/
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#ifndef CC2420_SPI_H
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#define CC2420_SPI_H
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#include <stdio.h>
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/**
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* @brief Writes a byte to the cc2420 register.
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*
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* @param[in] addr The 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 cc2420_write_reg(uint8_t addr, uint16_t value);
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/**
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* @brief Reads a byte from the cc2420 register.
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*
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* @param[in] addr The address of the register to read.
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*
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* @return The value in the register.
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*/
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uint16_t cc2420_read_reg(uint8_t addr);
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/**
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* @brief Sends a strobe command to the cc2420.
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*
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* @param[in] c The strobe command to send.
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*
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* @return The result of the strobe command.
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*/
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uint8_t cc2420_strobe(uint8_t c);
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/**
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* @brief Reads multiple bytes from the cc2420 ram.
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*
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* @param[in] addr The ram address to read.
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* @param[out] buffer A buffer to store the value of the ram.
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* @param[in] len The count of bytes which should be read.
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*
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* @return The number of bytes read.
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*/
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uint16_t cc2420_read_ram(uint16_t addr, uint8_t* buffer, uint16_t len);
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/**
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* @brief Writes multiple bytes to the cc2420 ram.
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*
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* @param[in] addr The ram address to write.
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* @param[in] buffer A buffer with the value to write to the ram.
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* @param[in] len The count of bytes which should be written.
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*
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* @return The number of bytes written.
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*/
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uint16_t cc2420_write_ram(uint16_t addr, uint8_t* buffer, uint16_t len);
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/**
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* @brief Writes multiple bytes to the cc2420 fifo.
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*
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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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* @return The number of bytes written.
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*/
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uint16_t cc2420_write_fifo(uint8_t* data, uint16_t data_length);
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/**
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* @brief Reads multiple bytes from the cc2420 fifo.
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*
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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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* @return The number of bytes read.
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*/
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uint16_t cc2420_read_fifo(uint8_t* data, uint16_t data_length);
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#endif
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