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//
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// Created by MightyPork on 2018/02/03.
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//
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#ifndef GEX_F072_SPI_INTERNAL_H
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#define GEX_F072_SPI_INTERNAL_H
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#ifndef SPI_INTERNAL
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#error bad include!
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#endif
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#include "unit_base.h"
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/** Private data structure */
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struct priv {
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uint8_t periph_num; //!< 1 or 2
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uint8_t remap; //!< SPI remap option
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uint16_t prescaller; //!< Clock prescaller, stored as the dividing factor
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bool cpol; //!< CPOL setting
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bool cpha; //!< CPHA setting
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bool tx_only; //!< If true, Enable only the MOSI line
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bool lsb_first; //!< Option to send LSB first
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char ssn_port_name; //!< SSN port
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uint16_t ssn_pins; //!< SSN pin mask
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SPI_TypeDef *periph;
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GPIO_TypeDef *ssn_port;
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};
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// ------------------------------------------------------------------------
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/** Load from a binary buffer stored in Flash */
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void USPI_loadBinary(Unit *unit, PayloadParser *pp);
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/** Write to a binary buffer for storing in Flash */
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void USPI_writeBinary(Unit *unit, PayloadBuilder *pb);
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// ------------------------------------------------------------------------
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/** Parse a key-value pair from the INI file */
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error_t USPI_loadIni(Unit *unit, const char *key, const char *value);
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/** Generate INI file section for the unit */
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void USPI_writeIni(Unit *unit, IniWriter *iw);
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// ------------------------------------------------------------------------
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/** Allocate data structure and set defaults */
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error_t USPI_preInit(Unit *unit);
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/** Finalize unit set-up */
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error_t USPI_init(Unit *unit);
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/** Tear down the unit */
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void USPI_deInit(Unit *unit);
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#endif //GEX_F072_SPI_INTERNAL_H
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