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// # << NEORV32: neorv32_twi.h - Two-Wire Interface Controller (TWI) HW Driver >>                  #
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// # BSD 3-Clause License                                                                          #
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// # Copyright (c) 2021, Stephan Nolting. All rights reserved.                                     #
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/**********************************************************************//**
 * @file neorv32_twi.h
 * @author Stephan Nolting
 * @brief Two-Wire Interface Controller (TWI) HW driver header file.
 *
 * @note These functions should only be used if the TWI unit was synthesized (IO_TWI_EN = true).
 **************************************************************************/

#ifndef neorv32_twi_h
#define neorv32_twi_h

// prototypes
int neorv32_twi_available(void);
void neorv32_twi_setup(uint8_t prsc);
void neorv32_twi_disable(void);
void neorv32_twi_enable(void);
void neorv32_twi_mack_enable(void);
void neorv32_twi_mack_disable(void);
int neorv32_twi_busy(void);
int neorv32_twi_start_trans(uint8_t a);
int neorv32_twi_trans(uint8_t d);
uint8_t neorv32_twi_get_data(void);
void neorv32_twi_generate_stop(void);
void neorv32_twi_generate_start(void);

#endif // neorv32_twi_h