diff options
Diffstat (limited to 'lib/hc32f460/driver/src/hc32f460_exint_nmi_swi.c')
| -rw-r--r-- | lib/hc32f460/driver/src/hc32f460_exint_nmi_swi.c | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/lib/hc32f460/driver/src/hc32f460_exint_nmi_swi.c b/lib/hc32f460/driver/src/hc32f460_exint_nmi_swi.c new file mode 100644 index 00000000..71111b25 --- /dev/null +++ b/lib/hc32f460/driver/src/hc32f460_exint_nmi_swi.c @@ -0,0 +1,333 @@ +/*******************************************************************************
+ * Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
+ *
+ * This software component is licensed by HDSC under BSD 3-Clause license
+ * (the "License"); You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ */
+/******************************************************************************/
+/** \file hc32f460_exint_nmi_swi.c
+ **
+ ** A detailed description is available at
+ ** @link ExintNmiSwiGroup Exint/Nmi/Swi description @endlink
+ **
+ ** - 2018-10-17 CDT First version for Device Driver Library of exint, Nmi, SW interrupt.
+ **
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Include files
+ ******************************************************************************/
+#include "hc32f460_exint_nmi_swi.h"
+#include "hc32f460_utility.h"
+
+/**
+ *******************************************************************************
+ ** \addtogroup ExintNmiSwiGroup
+ ******************************************************************************/
+//@{
+/*******************************************************************************
+ * Local type definitions ('typedef')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Local pre-processor symbols/macros ('#define')
+ ******************************************************************************/
+ /*! Parameter validity check for external interrupt channel. */
+#define IS_VALID_CH(x) \
+( ((x) == ExtiCh00) || \
+ ((x) == ExtiCh01) || \
+ ((x) == ExtiCh02) || \
+ ((x) == ExtiCh03) || \
+ ((x) == ExtiCh04) || \
+ ((x) == ExtiCh05) || \
+ ((x) == ExtiCh06) || \
+ ((x) == ExtiCh07) || \
+ ((x) == ExtiCh08) || \
+ ((x) == ExtiCh09) || \
+ ((x) == ExtiCh10) || \
+ ((x) == ExtiCh11) || \
+ ((x) == ExtiCh12) || \
+ ((x) == ExtiCh13) || \
+ ((x) == ExtiCh14) || \
+ ((x) == ExtiCh15))
+
+/*! Parameter validity check for null pointer. */
+#define IS_NULL_POINT(x) (NULL != (x))
+
+/*! Parameter validity check for external interrupt trigger method. */
+#define IS_VALID_LEVEL(x) \
+( ((x) == ExIntLowLevel) || \
+ ((x) == ExIntBothEdge) || \
+ ((x) == ExIntRisingEdge) || \
+ ((x) == ExIntFallingEdge))
+
+/*! Parameter validity check for NMI interrupt source. */
+#define IS_VALID_NMI_SRC(x) \
+( ((x) == NmiSrcNmi) || \
+ ((x) == NmiSrcSwdt) || \
+ ((x) == NmiSrcVdu1) || \
+ ((x) == NmiSrcVdu2) || \
+ ((x) == NmiSrcXtalStop) || \
+ ((x) == NmiSrcSramPE) || \
+ ((x) == NmiSrcSramDE) || \
+ ((x) == NmiSrcMpu) || \
+ ((x) == NmiSrcWdt))
+
+/*******************************************************************************
+ * Global variable definitions (declared in header file with 'extern')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Local function prototypes ('static')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Local variable definitions ('static')
+ ******************************************************************************/
+static func_ptr_t pfnNmiCallback;
+
+/*******************************************************************************
+ * Function implementation - global ('extern') and local ('static')
+ ******************************************************************************/
+/**
+ *******************************************************************************
+ ** \brief External Int initialization
+ **
+ ** \param [in] pstcExtiConfig EXTI configure structure
+ **
+ ** \retval Ok EXTI initialized
+ **
+ ******************************************************************************/
+en_result_t EXINT_Init(const stc_exint_config_t *pstcExtiConfig)
+{
+ stc_intc_eirqcr_field_t *EIRQCRx;
+
+ DDL_ASSERT(IS_VALID_CH(pstcExtiConfig->enExitCh));
+
+ EIRQCRx = (stc_intc_eirqcr_field_t *)((uint32_t)(&M4_INTC->EIRQCR0) + \
+ (uint32_t)(4ul * (uint32_t)(pstcExtiConfig->enExitCh)));
+
+ /* Set filter function */
+ EIRQCRx->EFEN = pstcExtiConfig->enFilterEn;
+ EIRQCRx->EISMPCLK = pstcExtiConfig->enFltClk;
+
+ /* Set detection level */
+ EIRQCRx->EIRQTRG = pstcExtiConfig->enExtiLvl;
+
+ return Ok;
+}
+
+/**
+ *******************************************************************************
+ ** \brief Get External interrupt request flag
+ **
+ ** \param [in] enExint NMI Int source, This parameter can be
+ ** any value of @ref en_exti_ch_t
+ **
+ ** \retval Set Corresponding Ex.Int request flag be set
+ ** Reset Corresponding Ex.Int request flag not be set
+ **
+ ******************************************************************************/
+en_int_status_t EXINT_IrqFlgGet(en_exti_ch_t enExint)
+{
+ en_int_status_t enRet;
+ DDL_ASSERT(IS_VALID_CH(enExint));
+
+ enRet = (1u == !!(M4_INTC->EIFR & (1ul<<enExint)) ? Set : Reset);
+
+ return enRet;
+}
+
+/**
+ *******************************************************************************
+ ** \brief Clear External interrupt request flag
+ **
+ ** \param [in] enExint Ext. interrupt channel, This parameter can be
+ ** any value of @ref en_exti_ch_t
+ **
+ ** \retval Ok Interrupt source be cleared
+ **
+ ******************************************************************************/
+en_result_t EXINT_IrqFlgClr(en_exti_ch_t enExint)
+{
+ M4_INTC->EICFR |= (uint32_t)(1ul << enExint);
+ return Ok;
+}
+
+/**
+ *******************************************************************************
+ ** \brief NMI initialization
+ **
+ ** \param [in] pstcNmiConfig NMI configure structure
+ **
+ ** \retval Ok NMI initialized
+ ** ErrorInvalidParameter NMI configuration pointer is null
+ **
+ ******************************************************************************/
+en_result_t NMI_Init(const stc_nmi_config_t *pstcNmiConfig)
+{
+ en_result_t enRet = ErrorInvalidParameter;
+
+ if (NULL != pstcNmiConfig)
+ {
+ /* NMI callback function */
+ pfnNmiCallback = pstcNmiConfig->pfnNmiCallback;
+ /* Set filter function */
+ M4_INTC->NMICR_f.NFEN = pstcNmiConfig->enFilterEn;
+ /* Set filter clock */
+ M4_INTC->NMICR_f.NSMPCLK = pstcNmiConfig->enFilterClk;
+ /* Set detection level */
+ M4_INTC->NMICR_f.NMITRG = pstcNmiConfig->enNmiLvl;
+ /* Set NMI source */
+ M4_INTC->NMIENR = (uint32_t)pstcNmiConfig->u16NmiSrc;
+ enRet = Ok;
+ }
+ return enRet;
+}
+
+/**
+ *******************************************************************************
+ ** \brief De-Init Non-Maskable Interrupt (NMI)
+ **
+ ** \param None
+ **
+ ** \retval Ok NMI De-initialized
+ **
+ ******************************************************************************/
+en_result_t NMI_DeInit(void)
+{
+ /* Set internal data */
+ pfnNmiCallback = NULL;
+
+ /* clear NMI control register */
+ M4_INTC->NMICR = 0u;
+
+ /* clear NMI enable register */
+ M4_INTC->NMIENR = 0u;
+
+ /* clear all NMI flags */
+ M4_INTC->NMIFR = 0u;
+
+ return Ok;
+}
+
+/**
+ *******************************************************************************
+ ** \brief Get NMI interrupt request flag
+ **
+ ** \param [in] enNmiSrc NMI Int source, This parameter can be
+ ** any value of @ref en_nmi_src_t
+ **
+ ** \retval Set Corresponding NMI flag be set
+ ** Reset Corresponding NMI flag not be set
+ **
+ ******************************************************************************/
+en_int_status_t NMI_IrqFlgGet(en_nmi_src_t enNmiSrc)
+{
+ DDL_ASSERT(IS_VALID_NMI_SRC(enNmiSrc));
+
+ en_int_status_t enRet = Reset;
+ switch (enNmiSrc)
+ {
+ case NmiSrcNmi:
+ enRet = (en_int_status_t)(M4_INTC->NMIFR_f.NMIFR);
+ break;
+ case NmiSrcSwdt:
+ enRet = (en_int_status_t)(M4_INTC->NMIFR_f.SWDTFR);
+ break;
+ case NmiSrcVdu1:
+ enRet = (en_int_status_t)(M4_INTC->NMIFR_f.PVD1FR);
+ break;
+ case NmiSrcVdu2:
+ enRet = (en_int_status_t)(M4_INTC->NMIFR_f.PVD2FR);
+ break;
+ case NmiSrcXtalStop:
+ enRet = (en_int_status_t)(M4_INTC->NMIFR_f.XTALSTPFR);
+ break;
+ case NmiSrcSramPE:
+ enRet = (en_int_status_t)(M4_INTC->NMIFR_f.REPFR);
+ break;
+ case NmiSrcSramDE:
+ enRet = (en_int_status_t)(M4_INTC->NMIFR_f.RECCFR);
+ break;
+ case NmiSrcMpu:
+ enRet = (en_int_status_t)(M4_INTC->NMIFR_f.BUSMFR);
+ break;
+ case NmiSrcWdt:
+ enRet = (en_int_status_t)(M4_INTC->NMIFR_f.WDTFR);
+ break;
+ default:
+ break;
+ }
+ return enRet;
+}
+
+/**
+ *******************************************************************************
+ ** \brief Clear NMI interrupt request flag
+ **
+ ** \param [in] u16NmiSrc NMI Int source, This parameter can be
+ ** any composited value of @ref en_nmi_src_t
+ **
+ ** \retval Ok Interrupt source be cleared
+ **
+ ******************************************************************************/
+en_result_t NMI_IrqFlgClr(uint16_t u16NmiSrc)
+{
+ M4_INTC->NMICFR |= u16NmiSrc;
+ return Ok;
+}
+
+/**
+ *******************************************************************************
+ ** \brief ISR for NMI
+ **
+ ******************************************************************************/
+void NMI_IrqHandler(void)
+{
+ DDL_ASSERT(IS_NULL_POINT(pfnNmiCallback));
+
+ pfnNmiCallback();
+}
+
+/**
+ *******************************************************************************
+ ** \brief Enable Softeware Interrupt (SWI)
+ **
+ * \param [in] u32SwiCh This parameter can be any composited
+ * value of @ref en_swi_ch_t
+ **
+ ** \retval Ok SWI initialized
+ **
+ ******************************************************************************/
+en_result_t SWI_Enable(uint32_t u32SwiCh)
+{
+ M4_INTC->SWIER |= u32SwiCh;
+ return Ok;
+}
+
+/**
+ *******************************************************************************
+ ** \brief De-Init Softeware Interrupt (SWI)
+ **
+ * \param [in] u32SwiCh This parameter can be any composited
+ * value of @ref en_swi_ch_t
+ **
+ ** \retval Ok SWI de-initialized
+ **
+ ******************************************************************************/
+en_result_t SWI_Disable(uint32_t u32SwiCh)
+{
+ /* clear software interrupt enable register */
+ M4_INTC->SWIER &= ~u32SwiCh;
+
+ return Ok;
+}
+
+//@} // ExintNmiSwiGroup
+
+/*******************************************************************************
+ * EOF (not truncated)
+ ******************************************************************************/
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