D語言中的Cortex-M4系列中斷向量表處理

D語言中的Cortex-M4系列中斷向量表處理

向量表:

// form file:stm32f401xc.h
struct IRQn_Type
{
   
   
/******  Cortex-M4 Processor Exceptions Numbers ****************************************************************/
  Reset_IRQn				  = -15,
  NonMaskableInt_IRQn         = -14,    /*!< 2 Non Maskable Interrupt                                          */
  MemoryManagement_IRQn       = -12,    /*!< 4 Cortex-M4 Memory Management Interrupt                           */
  BusFault_IRQn               = -11,    /*!< 5 Cortex-M4 Bus Fault Interrupt                                   */
  UsageFault_IRQn             = -10,    /*!< 6 Cortex-M4 Usage Fault Interrupt                                 */
  SVCall_IRQn                 = -5,     /*!< 11 Cortex-M4 SV Call Interrupt                                    */
  DebugMonitor_IRQn           = -4,     /*!< 12 Cortex-M4 Debug Monitor Interrupt                              */
  PendSV_IRQn                 = -2,     /*!< 14 Cortex-M4 Pend SV Interrupt                                    */
  SysTick_IRQn                = -1,     /*!< 15 Cortex-M4 System Tick Interrupt                                */
/******  STM32 specific Interrupt Numbers **********************************************************************/
  WWDG_IRQn                   = 0,      /*!< Window WatchDog Interrupt                                         */
  PVD_IRQn                    = 1,      /*!< PVD through EXTI Line detection Interrupt                         */
  TAMP_STAMP_IRQn             = 2,      /*!< Tamper and TimeStamp interrupts through the EXTI line             */
  RTC_WKUP_IRQn               = 3,      /*!< RTC Wakeup interrupt through the EXTI line                        */
  FLASH_IRQn                  = 4,      /*!< FLASH global Interrupt                                            */
  RCC_IRQn                    = 5,      /*!< RCC global Interrupt                                              */
  EXTI0_IRQn                  = 6,      /*!< EXTI Line0 Interrupt                                              */
  EXTI1_IRQn                  = 7,      /*!< EXTI Line1 Interrupt                                              */
  EXTI2_IRQn                  = 8,      /*!< EXTI Line2 Interrupt                                              */
  EXTI3_IRQn                  = 9,      /*!< EXTI Line3 Interrupt                                              */
  EXTI4_IRQn                  = 10,     /*!< EXTI Line4 Interrupt                                              */
  DMA1_Stream0_IRQn           = 11,     /*!< DMA1 Stream 0 global Interrupt                                    */
  DMA1_Stream1_IRQn           = 12,     /*!< DMA1 Stream 1 global Interrupt                                    */
  DMA1_Stream2_IRQn           = 13,     /*!< DMA1 Stream 2 global Interrupt                                    */
  DMA1_Stream3_IRQn           = 14,     /*!< DMA1 Stream 3 global Interrupt                                    */
  DMA1_Stream4_IRQn           = 15,     /*!< DMA1 Stream 4 global Interrupt                                    */
  DMA1_Stream5_IRQn           = 16,     /*!< DMA1 Stream 5 global Interrupt                                    */
  DMA1_Stream6_IRQn           = 17,     /*!< DMA1 Stream 6 global Interrupt                                    */
  ADC_IRQn                    = 18,     /*!< ADC1, ADC2 and ADC3 global Interrupts                             */
  EXTI9_5_IRQn                = 23,     /*!< External Line[9:5] Interrupts                                     */
  TIM1_BRK_TIM9_IRQn          = 24,     /*!< TIM1 Break interrupt and TIM9 global interrupt                    */
  TIM1_UP_TIM10_IRQn          = 25,     /*!< TIM1 Update Interrupt and TIM10 global interrupt                  */
  TIM1_TRG_COM_TIM11_IRQn     = 26,     /*!< TIM1 Trigger and Commutation Interrupt and TIM11 global interrupt */
  TIM1_CC_IRQn                = 27,     /*!< TIM1 Capture Compare Interrupt                                    */
  TIM2_IRQn                   = 28,     /*!< TIM2 global Interrupt                                             */
  TIM3_IRQn                   = 29,     /*!< TIM3 global Interrupt                                             */
  TIM4_IRQn                   = 30,     /*!< TIM4 global Interrupt                                             */
  I2C1_EV_IRQn                = 31,     /*!< I2C1 Event Interrupt                                              */
  I2C1_ER_IRQn                = 32,     /*!< I2C1 Error Interrupt                                              */
  I2C2_EV_IRQn                = 33,     /*!< I2C2 Event Interrupt                                              */
  I2C2_ER_IRQn                = 34,     /*!< I2C2 Error Interrupt                                              */
  SPI1_IRQn                   = 35,     /*!< SPI1 global Interrupt                                             */
  SPI2_IRQn                   = 36,     /*!< SPI2 global Interrupt                                             */
  USART1_IRQn                 = 37,     /*!< USART1 global Interrupt                                           */
  USART2_IRQn                 = 38,     /*!< USART2 global Interrupt                                           */
  EXTI15_10_IRQn              = 40,     /*!< External Line[15:10] Interrupts                                   */
  RTC_Alarm_IRQn              = 41,     /*!< RTC Alarm (A and B) through EXTI Line Interrupt                   */
  OTG_FS_WKUP_IRQn            = 42,     /*!< USB OTG FS Wakeup through EXTI line interrupt                     */
  DMA1_Stream7_IRQn           = 47,     /*!< DMA1 Stream7 Interrupt                                            */
  SDIO_IRQn                   = 49,     /*!< SDIO global Interrupt                                             */
  TIM5_IRQn                   = 50,     /*!< TIM5 global Interrupt                                             */
  SPI3_IRQn                   = 51,     /*!< SPI3 global Interrupt                                             */
  DMA2_Stream0_IRQn           = 56,     /*!< DMA2 Stream 0 global Interrupt                                    */
  DMA2_Stream1_IRQn           = 57,     /*!< DMA2 Stream 1 global Interrupt                                    */
  DMA2_Stream2_IRQn           = 58,     /*!< DMA2 Stream 2 global Interrupt                                    */
  DMA2_Stream3_IRQn           = 59,     /*!< DMA2 Stream 3 global Interrupt                                    */
  DMA2_Stream4_IRQn           = 60,     /*!< DMA2 Stream 4 global Interrupt                                    */
  OTG_FS_IRQn                 = 67,     /*!< USB OTG FS global Interrupt                                       */
  DMA2_Stream5_IRQn           = 68,     /*!< DMA2 Stream 5 global interrupt                                    */
  DMA2_Stream6_IRQn           = 69,     /*!< DMA2 Stream 6 global interrupt                                    */
  DMA2_Stream7_IRQn           = 70,     /*!< DMA2 Stream 7 global interrupt                                    */
  USART6_IRQn                 = 71,     /*!< USART6 global interrupt                                           */
  I2C3_EV_IRQn                = 72,     /*!< I2C3 event interrupt                                              */
  I2C3_ER_IRQn                = 73,     /*!< I2C3 error interrupt                                              */
  FPU_IRQn                    = 81,     /*!< FPU global interrupt                                              */
  SPI4_IRQn                   = 84      /*!< SPI4 global Interrupt                                              */
} ;

在mculib4d中的定義方式

static import ldc.attributes;								// 附加參數

enum isr_vector = ldc.attributes.section(".isr_vector");	// 存儲 section 的定義
enum naked = ldc.attributes.naked;							// naked 函數

@naked extern(C) void Def_Handler(string nm)()				// 默認中斷模板
{
   
   
	while(true){
   
   }
}

alias VectorFunc = void function();							// 函數型

alias NonMaskableInt_IRQn = Def_Handler!"NonMaskableInt_IRQn";	// 建立一個模板函數
enum IRQs_Max = 0x64;										//初始化的SP定義到了LD腳本內
enum IRQs_Offset = 0x0f;									// 原始定義有負數,需要有修正

extern(C) static immutable VectorFunc[IRQs_Max] CortexM_IVT = {
   
   
  VectorFunc[IRQs_Max] ret;

  ret[0 + IRQs_Offset] = &Reset_Handler;
  ret[IRQn_Type.NonMaskableInt_IRQn + IRQs_Offset] = &NonMaskableInt_IRQn;
  /*
  	其他的中斷定義
  */
  
  return ret;
}();

pragma(mangle, NonMaskableInt_IRQn.mangleof) void irq1()		// 可在代碼中通過定義替換中斷默認模板
{
   
   
	
}

@naked extern(C) void Reset_Handler()							// 主函數
{
   
   
	while(true){
   
   }
}

採用這種方式是爲了更容易的閱讀與書寫定位.

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