84 lines
1.9 KiB
C++
84 lines
1.9 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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/*
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* Copyright (C) 2019 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
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*/
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#ifndef SRC_FTDISPI_HPP_
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#define SRC_FTDISPI_HPP_
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#include <ftdi.h>
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#include <iostream>
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#include <vector>
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#include "board.hpp"
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#include "cable.hpp"
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#include "ftdipp_mpsse.hpp"
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#include "spiInterface.hpp"
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class FtdiSpi : public FTDIpp_MPSSE, SPIInterface {
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public:
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enum SPI_endianness {
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SPI_MSB_FIRST = 0,
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SPI_LSB_FIRST = 1
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};
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enum SPI_CS_mode {
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SPI_CS_AUTO = 0,
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SPI_CS_MANUAL = 1
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};
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FtdiSpi(int vid, int pid, unsigned char interface, uint32_t clkHZ,
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int8_t verbose);
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FtdiSpi(const cable_t &cable,
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spi_pins_conf_t spi_config, uint32_t clkHZ,
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int8_t verbose);
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~FtdiSpi();
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void setMode(uint8_t mode);
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void setEndianness(unsigned char endian) {
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_endian =(endian == SPI_MSB_FIRST) ? 0 : MPSSE_LSB;
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}
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/* CS handling */
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void setCSmode(uint8_t cs_mode) {_cs_mode = cs_mode;}
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bool confCs(char stat);
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bool setCs();
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bool clearCs();
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int ft2232_spi_wr_then_rd(const uint8_t *tx_data, uint32_t tx_len,
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uint8_t *rx_data, uint32_t rx_len);
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int ft2232_spi_wr_and_rd(uint32_t writecnt,
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const uint8_t *writearr, uint8_t *readarr);
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/* spi interface */
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int spi_put(uint8_t cmd, const uint8_t *tx, uint8_t *rx,
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uint32_t len) override;
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int spi_put(const uint8_t *tx, uint8_t *rx, uint32_t len) override;
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int spi_wait(uint8_t cmd, uint8_t mask, uint8_t cond,
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uint32_t timeout, bool verbose=false) override;
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protected:
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/*!
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* \brief move device to SPI access
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*/
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virtual bool prepare_flash_access() override {return true;}
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/*!
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* \brief end of device to SPI access
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*/
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virtual bool post_flash_access() override {return true;}
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private:
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uint8_t _cs;
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uint16_t _cs_bits;
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uint8_t _clk;
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uint8_t _clk_idle;
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uint8_t _wr_mode;
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uint8_t _rd_mode;
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unsigned char _endian;
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uint8_t _cs_mode;
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uint16_t _holdn;
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uint16_t _wpn;
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};
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#endif // SRC_FTDISPI_HPP_
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