621 lines
16 KiB
C
621 lines
16 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) 2011, 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
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* LICENSE in this 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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* 2011-07-12 onelife Disable interrupts in GPIO handler
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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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#ifdef RT_IRQHDL_DEBUG
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#define hdl_debug(format,args...) rt_kprintf(format, ##args)
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#else
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#define hdl_debug(format,args...)
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#endif
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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 rtcCbTable[RTC_COUNT] = {RT_NULL};
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efm32_irq_hook_t gpioCbTable[16] = {RT_NULL};
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efm32_irq_hook_t acmpCbTable[ACMP_COUNT] = {RT_NULL};
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efm32_irq_hook_t usartCbTable[USART_COUNT * 2] = {RT_NULL};
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efm32_irq_hook_t iicCbTable[I2C_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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hdl_debug("[NMI_Handler: NOP]\n");
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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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hdl_debug("[MemManage_Handler: infinite loop]\n");
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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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hdl_debug("[BusFault_Handler: infinite loop]\n");
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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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hdl_debug("[UsageFault_Handler: infinite loop]\n");
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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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hdl_debug("[SVC_Handler: NOP]\n");
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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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hdl_debug("[DebugMon_Handler: NOP]\n");
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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 SysTick_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 Timer1 interrupt handler
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*
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* @details
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* This function handles Timer1 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 TIMER1_IRQHandler(void)
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{
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if (TIMER1->IF & TIMER_IF_OF)
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{
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/* invoke callback function */
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if (timerCbTable[1].cbFunc != RT_NULL)
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{
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(timerCbTable[1].cbFunc)(timerCbTable[1].userPtr);
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}
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/* clear interrupt */
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BITBAND_Peripheral(&(TIMER1->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 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 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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* 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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rt_base_t level;
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/* Disable interrupt */
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level = rt_hw_interrupt_disable();
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/* Enter ISR */
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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 ISR */
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rt_interrupt_leave();
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/* Enable interrupt */
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rt_hw_interrupt_enable(level);
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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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rt_base_t level;
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/* Disable interrupt */
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level = rt_hw_interrupt_disable();
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/* Enter ISR */
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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 ISR */
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rt_interrupt_leave();
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/* Enable interrupt */
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rt_hw_interrupt_enable(level);
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}
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/***************************************************************************//**
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* @brief
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* Common ACMP interrupt handler
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*
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* @details
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* This function handles ACMP edge trigger interrupt request
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*
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* @note
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*
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******************************************************************************/
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void ACMP0_IRQHandler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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if (ACMP0->IF & ACMP_IF_EDGE)
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{
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/* invoke callback function */
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if (acmpCbTable[0].cbFunc != RT_NULL)
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{
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(acmpCbTable[0].cbFunc)(acmpCbTable[0].userPtr);
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}
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/* clear interrupt */
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BITBAND_Peripheral(&(ACMP0->IFC), _ACMP_IF_EDGE_SHIFT, 0x1UL);
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}
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if (ACMP1->IF & ACMP_IF_EDGE)
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{
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/* invoke callback function */
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if (acmpCbTable[1].cbFunc != RT_NULL)
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{
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(acmpCbTable[1].cbFunc)(acmpCbTable[1].userPtr);
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}
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/* clear interrupt */
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BITBAND_Peripheral(&(ACMP1->IFC), _ACMP_IF_EDGE_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 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 IIC0 interrupt handler
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*
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* @details
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* This function handles IIC0 slave mode interrupt requests
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*
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* @note
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*
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******************************************************************************/
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void I2C0_IRQHandler(void)
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{
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if ((I2C0->IF & I2C_IF_ADDR) || \
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(I2C0->IF & I2C_IF_RXDATAV) || \
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(I2C0->IF & I2C_IF_SSTOP))
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{
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/* invoke callback function */
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if (iicCbTable[0].cbFunc != RT_NULL)
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{
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(iicCbTable[0].cbFunc)(iicCbTable[0].userPtr);
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}
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}
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I2C_IntClear(I2C0, I2C_IFC_ADDR | I2C_IFC_SSTOP);
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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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void 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_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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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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|
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case efm32_irq_type_acmp:
|
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acmpCbTable[hook->unit].cbFunc = hook->cbFunc;
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acmpCbTable[hook->unit].userPtr = hook->userPtr;
|
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break;
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|
|
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case efm32_irq_type_usart:
|
|
usartCbTable[hook->unit].cbFunc = hook->cbFunc;
|
|
usartCbTable[hook->unit].userPtr = hook->userPtr;
|
|
break;
|
|
|
|
case efm32_irq_type_iic:
|
|
iicCbTable[hook->unit].cbFunc = hook->cbFunc;
|
|
iicCbTable[hook->unit].userPtr = hook->userPtr;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
hdl_debug("Hook Registered: type: %s, unit: %x, cbFunc: %x, userPtr: %x\n", \
|
|
hook->type, hook->unit, hook->cbFunc, hook->userPtr);
|
|
}
|
|
|
|
/***************************************************************************//**
|
|
* @}
|
|
******************************************************************************/
|