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// # << NEORV32: neorv32_twi.h - Two-Wire Interface Controller (TWI) HW Driver >> #
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// # << NEORV32: neorv32_twi.h - Two-Wire Interface Controller (TWI) HW Driver >> #
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// # ********************************************************************************************* #
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// # ********************************************************************************************* #
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// # BSD 3-Clause License #
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// # BSD 3-Clause License #
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// # #
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// # #
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// # Copyright (c) 2020, Stephan Nolting. All rights reserved. #
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// # The NEORV32 Processor - https://github.com/stnolting/neorv32 (c) Stephan Nolting #
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// # The NEORV32 Processor - https://github.com/stnolting/neorv32 (c) Stephan Nolting #
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// #################################################################################################
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// #################################################################################################
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/**********************************************************************//**
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/**********************************************************************//**
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* @file neorv32_twi.h
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* @file neorv32_twi.h
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* @author Stephan Nolting
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* @author Stephan Nolting
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* @brief Two-Wire Interface Controller (TWI) HW driver header file.
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* @brief Two-Wire Interface Controller (TWI) HW driver header file.
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*
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*
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* @note These functions should only be used if the TWI unit was synthesized (IO_TWI_USE = true).
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* @note These functions should only be used if the TWI unit was synthesized (IO_TWI_USE = true).
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**************************************************************************/
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**************************************************************************/
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#ifndef neorv32_twi_h
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#ifndef neorv32_twi_h
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#define neorv32_twi_h
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#define neorv32_twi_h
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// prototypes
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// prototypes
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int neorv32_twi_available(void);
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int neorv32_twi_available(void);
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void neorv32_twi_setup(uint8_t prsc, uint8_t irq_en);
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void neorv32_twi_setup(uint8_t prsc, uint8_t irq_en, uint8_t ckst_en);
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void neorv32_twi_disable(void);
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void neorv32_twi_disable(void);
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void neorv32_twi_mack_enable(void);
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void neorv32_twi_mack_enable(void);
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int neorv32_twi_busy(void);
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int neorv32_twi_busy(void);
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int neorv32_twi_start_trans(uint8_t a);
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int neorv32_twi_start_trans(uint8_t a);
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int neorv32_twi_trans(uint8_t d);
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int neorv32_twi_trans(uint8_t d);
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uint8_t neorv32_twi_get_data(void);
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uint8_t neorv32_twi_get_data(void);
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void neorv32_twi_generate_stop(void);
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void neorv32_twi_generate_stop(void);
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void neorv32_twi_generate_start(void);
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void neorv32_twi_generate_start(void);
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#endif // neorv32_twi_h
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#endif // neorv32_twi_h
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