rt-thread-official/bsp/imxrt/libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_xbarb.h

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2018-09-20 23:18:14 +08:00
/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP
* All rights reserved.
*
2019-06-12 15:01:12 +08:00
* SPDX-License-Identifier: BSD-3-Clause
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*/
#ifndef _FSL_XBARB_H_
#define _FSL_XBARB_H_
#include "fsl_common.h"
/*!
* @addtogroup xbarb
* @{
*/
/*******************************************************************************
* Definitions
******************************************************************************/
#define FSL_XBARB_DRIVER_VERSION (MAKE_VERSION(2, 0, 1)) /*!< Version 2.0.1. */
/* Macros for entire XBARB_SELx register. */
#define XBARB_SELx(base, output) (*(volatile uint16_t *)((uintptr_t) & (base->SEL0) + ((output) / 2U) * 2U))
/* Set the SELx field to a new value. */
#define XBARB_WR_SELx_SELx(base, input, output) \
(XBARB_SELx((base), (output)) = \
((XBARB_SELx((base), (output)) & ~(0xFFU << (XBARB_SEL0_SEL1_SHIFT * ((output) % 2U)))) | \
((input) << (XBARB_SEL0_SEL1_SHIFT * ((output) % 2U)))))
/*******************************************************************************
* API
******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif /* __cplusplus */
/*!
* @name XBARB functional Operation.
* @{
*/
/*!
* @brief Initializes the XBARB module.
*
* This function un-gates the XBARB clock.
*
* @param base XBARB peripheral address.
*/
void XBARB_Init(XBARB_Type *base);
/*!
* @brief Shuts down the XBARB module.
*
* This function disables XBARB clock.
*
* @param base XBARB peripheral address.
*/
void XBARB_Deinit(XBARB_Type *base);
/*!
* @brief Configures a connection between the selected XBARB_IN[*] input and the XBARB_OUT[*] output signal.
*
* This function configures which XBARB input is connected to the selected XBARB output.
* If more than one XBARB module is available, only the inputs and outputs from the same module
* can be connected.
*
* @param base XBARB peripheral address.
* @param input XBARB input signal.
* @param output XBARB output signal.
*/
void XBARB_SetSignalsConnection(XBARB_Type *base, xbar_input_signal_t input, xbar_output_signal_t output);
#if defined(__cplusplus)
}
#endif /* __cplusplus */
/*! @}*/
/*!* @} */
#endif /* _FSL_XBARB_H_ */