rt-thread-official/bsp/imxrt/libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_gpc.c

104 lines
2.5 KiB
C

/*
* Copyright (c) 2016, Freescale Semiconductor, Inc.
* Copyright 2016 NXP
* All rights reserved.
*
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "fsl_gpc.h"
/* Component ID definition, used by tools. */
#ifndef FSL_COMPONENT_ID
#define FSL_COMPONENT_ID "platform.drivers.gpc_1"
#endif
/*!
* brief Enable the IRQ.
*
* param base GPC peripheral base address.
* param irqId ID number of IRQ to be enabled, available range is 32-159.
*/
void GPC_EnableIRQ(GPC_Type *base, uint32_t irqId)
{
uint32_t irqRegNum = irqId / 32U;
uint32_t irqRegShiftNum = irqId % 32U;
assert(irqRegNum > 0U);
assert(irqRegNum <= GPC_IMR_COUNT);
#if ((defined FSL_FEATURE_GPC_HAS_IRQ_0_31) && FSL_FEATURE_GPC_HAS_IRQ_0_31)
if (irqRegNum == GPC_IMR_COUNT)
{
base->IMR5 &= ~(1U << irqRegShiftNum);
}
else
{
base->IMR[irqRegNum] &= ~(1U << irqRegShiftNum);
}
#else
base->IMR[irqRegNum - 1U] &= ~(1U << irqRegShiftNum);
#endif /* FSL_FEATURE_GPC_HAS_IRQ_0_31 */
}
/*!
* brief Disable the IRQ.
*
* param base GPC peripheral base address.
* param irqId ID number of IRQ to be disabled, available range is 32-159.
*/
void GPC_DisableIRQ(GPC_Type *base, uint32_t irqId)
{
uint32_t irqRegNum = irqId / 32U;
uint32_t irqRegShiftNum = irqId % 32U;
assert(irqRegNum > 0U);
assert(irqRegNum <= GPC_IMR_COUNT);
#if ((defined FSL_FEATURE_GPC_HAS_IRQ_0_31) && FSL_FEATURE_GPC_HAS_IRQ_0_31)
if (irqRegNum == GPC_IMR_COUNT)
{
base->IMR5 |= (1U << irqRegShiftNum);
}
else
{
base->IMR[irqRegNum] |= (1U << irqRegShiftNum);
}
#else
base->IMR[irqRegNum - 1U] |= (1U << irqRegShiftNum);
#endif /* FSL_FEATURE_GPC_HAS_IRQ_0_31 */
}
/*!
* brief Get the IRQ/Event flag.
*
* param base GPC peripheral base address.
* param irqId ID number of IRQ to be enabled, available range is 32-159.
* return Indicated IRQ/Event is asserted or not.
*/
bool GPC_GetIRQStatusFlag(GPC_Type *base, uint32_t irqId)
{
uint32_t irqRegNum = irqId / 32U;
uint32_t irqRegShiftNum = irqId % 32U;
uint32_t ret;
assert(irqRegNum > 0U);
assert(irqRegNum <= GPC_IMR_COUNT);
#if ((defined FSL_FEATURE_GPC_HAS_IRQ_0_31) && FSL_FEATURE_GPC_HAS_IRQ_0_31)
if (irqRegNum == GPC_IMR_COUNT)
{
ret = base->ISR5 & (1U << irqRegShiftNum);
}
else
{
ret = base->ISR[irqRegNum] & (1U << irqRegShiftNum);
}
#else
ret = base->ISR[irqRegNum - 1U] & (1U << irqRegShiftNum);
#endif /* FSL_FEATURE_GPC_HAS_IRQ_0_31 */
return (1U << irqRegShiftNum) == ret;
}