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// #################################################################################################
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// #################################################################################################
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// # << NEORV32: neorv32_twi.c - Two-Wire Interface Master (TWI) HW Driver >> #
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// # << NEORV32: neorv32_twi.c - 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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// # Copyright (c) 2020, Stephan Nolting. All rights reserved. #
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// # #
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// # #
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/**********************************************************************//**
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/**********************************************************************//**
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* @file neorv32_twi.c
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* @file neorv32_twi.c
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* @author Stephan Nolting
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* @author Stephan Nolting
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* @brief Two-Wire Interface Master (TWI) HW driver source file.
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* @brief Two-Wire Interface Controller (TWI) HW driver source 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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#include "neorv32.h"
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#include "neorv32.h"
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TWI_CT &= ~((uint32_t)(1 << TWI_CT_IRQ_EN));
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TWI_CT &= ~((uint32_t)(1 << TWI_CT_IRQ_EN));
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}
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}
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/**********************************************************************//**
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/**********************************************************************//**
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* Activate sending ACKs by master (MACK).
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* Activate sending ACKs by controller (MACK).
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**************************************************************************/
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**************************************************************************/
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void neorv32_twi_mack_enable(void) {
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void neorv32_twi_mack_enable(void) {
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TWI_CT |= ((uint32_t)(1 << TWI_CT_MACK));
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TWI_CT |= ((uint32_t)(1 << TWI_CT_MACK));
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}
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}
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/**********************************************************************//**
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/**********************************************************************//**
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* Deacivate sending ACKs by master (MACK).
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* Deacivate sending ACKs by controller (MACK).
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**************************************************************************/
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**************************************************************************/
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void neorv32_twi_mack_disable(void) {
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void neorv32_twi_mack_disable(void) {
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TWI_CT &= ~((uint32_t)(1 << TWI_CT_MACK));
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TWI_CT &= ~((uint32_t)(1 << TWI_CT_MACK));
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}
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}
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