| 1 | // %flair:license{
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| 2 | // This file is part of the Flair framework distributed under the
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| 3 | // CECILL-C License, Version 1.0.
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| 4 | // %flair:license}
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| 5 | /*!
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| 6 | * \file Unix_SpiPort.h
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| 7 | * \brief Class for unix spi port
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| 8 | * \author Guillaume Sanahuja, Copyright Heudiasyc UMR UTC/CNRS 7253
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| 9 | * \date 2021/04/13
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| 10 | * \version 4.0
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| 11 | */
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| 12 |
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| 13 | #ifndef UNIX_SPIPORT_H
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| 14 | #define UNIX_SPIPORT_H
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| 15 |
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| 16 | #include <SpiPort.h>
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| 17 | #include <linux/spi/spidev.h>
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| 18 |
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| 19 | namespace flair {
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| 20 | namespace core {
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| 21 | /*! \class Unix_SpiPort
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| 22 | *
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| 23 | * \brief Class for unix spi port
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| 24 | *
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| 25 | */
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| 26 | class Unix_SpiPort : public SpiPort {
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| 27 |
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| 28 | public:
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| 29 | /*!
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| 30 | * \brief Constructor
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| 31 | *
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| 32 | * Construct an unix serial spi
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| 33 | *
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| 34 | * \param parent parent
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| 35 | * \param name name
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| 36 | * \param device serial device (ex /dev/ttyS0)
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| 37 | * \param mode SPI_* (look "linux/spi/spidev.h")
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| 38 | * \param bits bits per word (usually 8)
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| 39 | * \param speed max speed [Hz]
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| 40 | */
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| 41 | Unix_SpiPort(const Object *parent, std::string port_name,
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| 42 | std::string device,int mode, int bits, int speed);
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| 43 |
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| 44 | /*!
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| 45 | * \brief Destructor
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| 46 | *
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| 47 | */
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| 48 | ~Unix_SpiPort();
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| 49 |
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| 50 | /*!
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| 51 | * \brief Write datas
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| 52 | *
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| 53 | * \param buf pointer to datas
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| 54 | * \param nbyte length of datas
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| 55 | *
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| 56 | * \return amount of written datas
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| 57 | */
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| 58 | ssize_t Write(const void *buf, size_t nbyte);
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| 59 |
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| 60 | /*!
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| 61 | * \brief Read datas
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| 62 | *
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| 63 | * \param buf pointer to datas
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| 64 | * \param nbyte length of datas
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| 65 | *
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| 66 | * \return amount of read datas
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| 67 | */
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| 68 | ssize_t Read(void *buf, size_t nbyte);
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| 69 |
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| 70 | /*!
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| 71 | * \brief Write datas
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| 72 | *
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| 73 | * \param tx_buf pointer to write datas
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| 74 | * \param rx_buf pointer to read datas
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| 75 | * \param nbyte length of datas
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| 76 | *
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| 77 | * \return amount of written datas
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| 78 | */
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| 79 | ssize_t WriteRead(const void *tx_buf, void *rx_buf,size_t nbyte);
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| 80 |
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| 81 |
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| 82 | private:
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| 83 | int fd;
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| 84 |
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| 85 | };
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| 86 | } // end namespace core
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| 87 | } // end namespace flair
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| 88 |
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| 89 | #endif // UNIX_SPIPORT_H
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