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/*
* Copyright (C) 2022-2024, Xiaohua Semiconductor Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-04-28 CDT first version
* 2024-06-07 CDT Modify the IRQ install implementation for F448/F472
* 2025-07-16 CDT Support HC32F334
*/
/*******************************************************************************
* Include files
******************************************************************************/
#include <rtthread.h>
#include "drv_irq.h"
/*******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
/*******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
#if defined (HC32F448) || defined (HC32F472) || defined (HC32F334)
/* Interrupt registration max number */
#define HC32_INT_REG_MAX_NUM (16U)
#endif
/*******************************************************************************
* Global variable definitions (declared in header file with 'extern')
******************************************************************************/
/*******************************************************************************
* Local function prototypes ('static')
******************************************************************************/
/*******************************************************************************
* Local variable definitions ('static')
******************************************************************************/
/*******************************************************************************
* Function implementation - global ('extern') and local ('static')
******************************************************************************/
rt_err_t hc32_install_irq_handler(struct hc32_irq_config *irq_config,
void (*irq_hdr)(void),
rt_bool_t irq_enable)
{
rt_err_t result = -RT_ERROR;
stc_irq_signin_config_t stcIrqSignConfig;
RT_ASSERT(RT_NULL != irq_config);
#if defined (HC32F448) || defined (HC32F472) || defined (HC32F334)
if (irq_config->irq_num < HC32_INT_REG_MAX_NUM)
{
RT_ASSERT(RT_NULL != irq_hdr);
INTC_IntSrcCmd(irq_config->int_src, DISABLE);
}
else
{
INTC_IntSrcCmd(irq_config->int_src, ENABLE);
goto nvic_config;
}
stcIrqSignConfig.enIRQn = irq_config->irq_num;
stcIrqSignConfig.enIntSrc = irq_config->int_src;
stcIrqSignConfig.pfnCallback = irq_hdr;
if (LL_OK == INTC_IrqSignIn(&stcIrqSignConfig))
#elif defined (HC32F460) || defined (HC32F4A0) || defined (HC32F4A8)
stcIrqSignConfig.enIRQn = irq_config->irq_num;
stcIrqSignConfig.enIntSrc = irq_config->int_src;
stcIrqSignConfig.pfnCallback = irq_hdr;
if (LL_OK == INTC_IrqSignIn(&stcIrqSignConfig))
#endif
nvic_config:
{
NVIC_ClearPendingIRQ(irq_config->irq_num);
NVIC_SetPriority(irq_config->irq_num, irq_config->irq_prio);
if (RT_TRUE == irq_enable)
{
NVIC_EnableIRQ(irq_config->irq_num);
}
else
{
NVIC_DisableIRQ(irq_config->irq_num);
}
result = RT_EOK;
}
return result;
}
/*******************************************************************************
* EOF (not truncated)
******************************************************************************/
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