511 lines
13 KiB
C
511 lines
13 KiB
C
/******************************************************************//**
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* @file hdl_interrupt.c
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* @brief USART driver of RT-Thread RTOS for EFM32
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* COPYRIGHT (C) 2009, RT-Thread Development Team
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* @author onelife
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* @version 0.4 beta
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**********************************************************************
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* @section License
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* The license and distribution terms for this file may be found in the file LICENSE in this
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* distribution or at http://www.rt-thread.org/license/LICENSE
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**********************************************************************
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* @section Change Logs
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* Date Author Notes
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* 2010-12-29 onelife Initial creation for EFM32
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*********************************************************************/
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/* Includes ------------------------------------------------------------------*/
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#include "board.h"
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#include "hdl_interrupt.h"
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/******************************************************************//**
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* @addtogroup efm32
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* @{
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*********************************************************************/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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efm32_irq_hook_t dmaCbTable[DMA_CHAN_COUNT * 2] = {RT_NULL};
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efm32_irq_hook_t timerCbTable[TIMER_COUNT] = {RT_NULL};
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efm32_irq_hook_t gpioCbTable[16] = {RT_NULL};
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efm32_irq_hook_t usartCbTable[USART_COUNT * 2] = {RT_NULL};
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efm32_irq_hook_t rtcCbTable[RTC_COUNT] = {RT_NULL};
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/******************************************************************//**
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* @brief
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* NMI exception handler
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*
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* @details
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*
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* @note
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*********************************************************************/
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void NMI_Handler(void)
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{
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#ifdef RT_IRQHDL_DEBUG
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rt_kprintf("[NMI_Handler: NOP]\n");
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#endif
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}
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/******************************************************************//**
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* @brief
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* Memory manage exception handler
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*
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* @details
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*
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* @note
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*********************************************************************/
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void MemManage_Handler(void)
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{
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#ifdef RT_IRQHDL_DEBUG
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rt_kprintf("[MemManage_Handler: infinite loop]\n");
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#endif
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while (1);
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}
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/******************************************************************//**
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* @brief
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* Bus fault exception handler
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*
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* @details
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*
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* @note
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*********************************************************************/
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void BusFault_Handler(void)
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{
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#ifdef RT_IRQHDL_DEBUG
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rt_kprintf("[BusFault_Handler: infinite loop]\n");
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#endif
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while (1);
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}
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/******************************************************************//**
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* @brief
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* Usage fault exception handler
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*
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* @details
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*
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* @note
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*********************************************************************/
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void UsageFault_Handler(void)
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{
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#ifdef RT_IRQHDL_DEBUG
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rt_kprintf("[UsageFault_Handler: infinite loop]\n");
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#endif
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while (1);
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}
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/******************************************************************//**
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* @brief
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* Supervisor call exception handler
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*
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* @details
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*
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* @note
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*********************************************************************/
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void SVC_Handler(void)
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{
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#ifdef RT_IRQHDL_DEBUG
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rt_kprintf("[SVC_Handler: NOP]\n");
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#endif
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}
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/******************************************************************//**
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* @brief
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* Debug monitor exception handler
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*
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* @details
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*
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* @note
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*********************************************************************/
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void DebugMon_Handler(void)
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{
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#ifdef RT_IRQHDL_DEBUG
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rt_kprintf("[DebugMon_Handler: NOP]\n");
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#endif
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}
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/******************************************************************//**
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* @brief
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* System tick timer interrupt handler
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*
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* @details
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*
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* @note
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*
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*********************************************************************/
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void rt_hw_timer_handler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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rt_tick_increase();
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/* leave interrupt */
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rt_interrupt_leave();
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}
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/**********************************************************************
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* STM32F10x Peripherals Interrupt Handlers
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* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the
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* available peripheral interrupt handler's name please refer to the startup
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* file (startup_stm32f10x_xx.s).
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/*********************************************************************/
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/******************************************************************//**
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* @brief
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* Common DMA interrupt handler
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*
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* @details
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*
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* @note
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*
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*********************************************************************/
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void DMA_IRQHandler_All(unsigned int channel, bool primary, void *user)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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/* invoke callback function */
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if (dmaCbTable[channel].cbFunc != RT_NULL)
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{
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(dmaCbTable[channel].cbFunc)(dmaCbTable[channel].userPtr);
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}
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/* leave interrupt */
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rt_interrupt_leave();
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}
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/******************************************************************//**
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* @brief
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* Common Timer2 interrupt handler
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*
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* @details
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* This function handles Timer2 counter overflow interrupt request
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*
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* @note
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*
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*********************************************************************/
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void TIMER2_IRQHandler(void)
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{
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if (TIMER2->IF & TIMER_IF_OF)
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{
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/* invoke callback function */
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if (timerCbTable[2].cbFunc != RT_NULL)
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{
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(timerCbTable[2].cbFunc)(timerCbTable[2].userPtr);
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}
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/* clear interrupt */
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BITBAND_Peripheral(&(TIMER2->IFC), _TIMER_IF_OF_SHIFT, 0x1UL);
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}
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}
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/******************************************************************//**
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* @brief
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* Common even number GPIO interrupt handler
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*
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* @details
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*
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* @note
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*
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*********************************************************************/
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void GPIO_EVEN_IRQHandler(void)
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{
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rt_uint16_t flag, n;
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/* enter interrupt */
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rt_interrupt_enter();
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/* invoke callback function */
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flag = (rt_uint16_t)(GPIO->IF & 0xFFFF);
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for ( n = 0; flag > 0; flag = flag >> 2, n = n + 2)
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{
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if ((flag & 0x0001) && (gpioCbTable[n].cbFunc != RT_NULL))
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{
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(gpioCbTable[n].cbFunc)(gpioCbTable[n].userPtr);
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}
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}
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/* clear interrupt */
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GPIO->IFC = 0x5555UL;
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/* leave interrupt */
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rt_interrupt_leave();
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}
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/******************************************************************//**
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* @brief
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* Common odd number GPIO interrupt handler
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*
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* @details
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*
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* @note
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*
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*********************************************************************/
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void GPIO_ODD_IRQHandler(void)
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{
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rt_uint16_t flag, n;
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/* enter interrupt */
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rt_interrupt_enter();
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/* invoke callback function */
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flag = (rt_uint16_t)(GPIO->IF & 0xFFFF) >> 1;
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for ( n = 1; flag > 0; flag = flag >> 2, n = n + 2)
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{
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if ((flag & 0x0001) && (gpioCbTable[n].cbFunc != RT_NULL))
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{
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(gpioCbTable[n].cbFunc)(gpioCbTable[n].userPtr);
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}
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}
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/* clear interrupt */
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GPIO->IFC = 0xAAAAUL;
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/* leave interrupt */
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rt_interrupt_leave();
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}
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/******************************************************************//**
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* @brief
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* Common USART0 TX interrupt handler
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*
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* @details
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* This function handles USART0 TX complete interrupt request
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*
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* @note
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*
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*********************************************************************/
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void USART0_TX_IRQHandler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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if (USART0->IF & USART_IF_TXC)
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{
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/* invoke callback function */
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if (usartCbTable[0].cbFunc != RT_NULL)
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{
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(usartCbTable[0].cbFunc)(usartCbTable[0].userPtr);
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}
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/* clear interrupt */
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BITBAND_Peripheral(&(USART0->IFC), _USART_IF_TXC_SHIFT, 0x1UL);
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}
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/* leave interrupt */
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rt_interrupt_leave();
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}
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/******************************************************************//**
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* @brief
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* Common USART0 RX interrupt handler
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*
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* @details
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* This function handles USART0 RX data valid interrupt request
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*
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* @note
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*
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*********************************************************************/
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void USART0_RX_IRQHandler(void)
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{
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if (USART0->IF & USART_IF_RXDATAV)
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{
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/* invoke callback function */
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if (usartCbTable[1].cbFunc != RT_NULL)
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{
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(usartCbTable[1].cbFunc)(usartCbTable[1].userPtr);
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}
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}
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}
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/******************************************************************//**
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* @brief
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* Common USART1 TX interrupt handler
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*
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* @details
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* This function handles USART1 TX complete interrupt request
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*
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* @note
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*
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*********************************************************************/
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void USART1_TX_IRQHandler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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if (USART1->IF & USART_IF_TXC)
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{
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/* invoke callback function */
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if (usartCbTable[2].cbFunc != RT_NULL)
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{
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(usartCbTable[2].cbFunc)(usartCbTable[2].userPtr);
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}
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/* clear interrupt */
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BITBAND_Peripheral(&(USART1->IFC), _USART_IF_TXC_SHIFT, 0x1UL);
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}
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/* leave interrupt */
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rt_interrupt_leave();
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}
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/******************************************************************//**
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* @brief
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* Common USART1 RX interrupt handler
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*
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* @details
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* This function handles USART1 RX data valid interrupt request
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*
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* @note
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*
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*********************************************************************/
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void USART1_RX_IRQHandler(void)
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{
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if (USART1->IF & USART_IF_RXDATAV)
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{
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/* invoke callback function */
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if (usartCbTable[3].cbFunc != RT_NULL)
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{
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(usartCbTable[3].cbFunc)(usartCbTable[3].userPtr);
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}
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}
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}
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/******************************************************************//**
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* @brief
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* Common USART2 TX interrupt handler
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*
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* @details
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* This function handles USART2 TX complete interrupt request
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*
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* @note
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*
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*********************************************************************/
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void USART2_TX_IRQHandler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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if (USART2->IF & USART_IF_TXC)
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{
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/* invoke callback function */
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if (usartCbTable[4].cbFunc != RT_NULL)
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{
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(usartCbTable[4].cbFunc)(usartCbTable[4].userPtr);
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}
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/* clear interrupt */
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BITBAND_Peripheral(&(USART2->IFC), _USART_IF_TXC_SHIFT, 0x1UL);
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}
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/* leave interrupt */
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rt_interrupt_leave();
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}
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/******************************************************************//**
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* @brief
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* Common USART2 RX interrupt handler
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*
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* @details
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* This function handles USART2 RX data valid interrupt request
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*
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* @note
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*
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*********************************************************************/
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void USART2_RX_IRQHandler(void)
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{
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if (USART2->IF & USART_IF_RXDATAV)
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{
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/* invoke callback function */
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if (usartCbTable[5].cbFunc != RT_NULL)
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{
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(usartCbTable[5].cbFunc)(usartCbTable[5].userPtr);
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}
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}
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}
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/******************************************************************//**
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* @brief
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* Common RTC interrupt handler
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*
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* @details
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* This function handles RTC counter overflow interrupt request
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*
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* @note
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*
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*********************************************************************/
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void RTC_IRQHandler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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if (RTC->IF & RTC_IF_OF)
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{
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/* invoke callback function */
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if (rtcCbTable[0].cbFunc != RT_NULL)
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{
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(rtcCbTable[0].cbFunc)(rtcCbTable[0].userPtr);
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}
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}
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/* leave interrupt */
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rt_interrupt_leave();
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}
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/******************************************************************//**
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* @brief
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* EFM32 common interrupt handlers register function
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*
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* @details
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*
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* @note
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*
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*********************************************************************/
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rt_err_t efm32_irq_hook_register(efm32_irq_hook_init_t *hook)
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{
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switch (hook->type)
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{
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case efm32_irq_type_dma:
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dmaCbTable[hook->unit].cbFunc = hook->cbFunc;
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dmaCbTable[hook->unit].userPtr = hook->userPtr;
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break;
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case efm32_irq_type_timer:
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timerCbTable[hook->unit].cbFunc = hook->cbFunc;
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timerCbTable[hook->unit].userPtr = hook->userPtr;
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break;
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case efm32_irq_type_gpio:
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gpioCbTable[hook->unit].cbFunc = hook->cbFunc;
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gpioCbTable[hook->unit].userPtr = hook->userPtr;
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break;
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case efm32_irq_type_usart:
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usartCbTable[hook->unit].cbFunc = hook->cbFunc;
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usartCbTable[hook->unit].userPtr = hook->userPtr;
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break;
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case efm32_irq_type_rtc:
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rtcCbTable[hook->unit].cbFunc = hook->cbFunc;
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rtcCbTable[hook->unit].userPtr = hook->userPtr;
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break;
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default:
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break;
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}
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#ifdef RT_IRQHDL_DEBUG
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rt_kprintf("Hook Registered: type: %s, unit: %x, cbFunc: %x, userPtr: %x\n", \
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hook->type, hook->unit, hook->cbFunc, hook->userPtr);
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#endif
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}
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/******************************************************************//**
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* @}
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*********************************************************************/
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