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gex-core/units/spi/_spi_internal.h

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