请问一下STM32的IAR工程可以不用.S的起动文件吗

只看该作者 · 2011-10-26 09:52

我看IAR官方示例, 没有用.S启动文件... 请问一下它是怎么实现的.

只看该作者 · 2011-10-26 09:58

可以，我就不用.s启动文件。

.s文件实际就是个向量表而已。
用C定义向量表就是。

只看该作者 · 2011-10-26 10:17

_root  const  APP_INTVECT_ELEM  __vector_table[] @ ".intvec" = {
{ .Ptr = (void *)__sfe( "CSTACK" )},                      /*  0, SP start value.                               */
__iar_program_start,                                     /*  1, PC start value.                               */
App_NMI_ISR,                                              /*  2, NMI.                                           */
App_Fault_ISR,                                           /*  3, Hard Fault.                                     */
App_MemFault_ISR,                                        /*  4, Memory Management.                            */
App_BusFault_ISR,                                        /*  5, Bus Fault.                                     */
App_UsageFault_ISR,                                        /*  6, Usage Fault.                                  */
App_Spurious_ISR,                                        /*  7, Reserved.                                     */
App_Spurious_ISR,                                        /*  8, Reserved.                                     */
App_Spurious_ISR,                                        /*  9, Reserved.                                     */
App_Spurious_ISR,                                        /* 10, Reserved.                                     */
App_Spurious_ISR,                                        /* 11, SVCall.                                        */
App_Spurious_ISR,                                        /* 12, Debug Monitor.                                  */
App_Spurious_ISR,                                        /* 13, Reserved.                                     */
OS_CPU_PendSVHandler,                                     /* 14, PendSV Handler.                               */
OS_CPU_SysTickHandler,                                     /* 15, uC/OS-II Tick ISR Handler.                      */

向量表是这样写的吗..

能不能给我工程研究一下.

只看该作者 · 2011-10-26 10:42

我看到源代码有这个, 这个是UCOS中断嵌套用的..  现在我不用UCOS了. 该怎么用好这个中断. 是不是直接干掉这些.. 直接用中断服务程序就好了

/*
*********************************************************************************************************
*                                     BSP_IntHandler####()
*
* Description : Handle an interrupt.
*
* Argument(s) : none.
*
* Return(s) : none.
*
* Caller(s) : This is an ISR.
*
* Note(s)    : none.
*********************************************************************************************************
*/

void  BSP_IntHandlerWWDG       (void)  { BSP_IntHandler(BSP_INT_ID_WWDG);          }
void  BSP_IntHandlerPVD          (void)  { BSP_IntHandler(BSP_INT_ID_PVD);          }
void  BSP_IntHandlerTAMPER       (void)  { BSP_IntHandler(BSP_INT_ID_TAMPER);       }
void  BSP_IntHandlerRTC          (void)  { BSP_IntHandler(BSP_INT_ID_RTC);          }
void  BSP_IntHandlerFLASH       (void)  { BSP_IntHandler(BSP_INT_ID_FLASH);          }
void  BSP_IntHandlerRCC          (void)  { BSP_IntHandler(BSP_INT_ID_RCC);          }
void  BSP_IntHandlerEXTI0       (void)  { BSP_IntHandler(BSP_INT_ID_EXTI0);          }
void  BSP_IntHandlerEXTI1       (void)  { BSP_IntHandler(BSP_INT_ID_EXTI1);          }
void  BSP_IntHandlerEXTI2       (void)  { BSP_IntHandler(BSP_INT_ID_EXTI2);          }
void  BSP_IntHandlerEXTI3       (void)  { BSP_IntHandler(BSP_INT_ID_EXTI3);          }
void  BSP_IntHandlerEXTI4       (void)  { BSP_IntHandler(BSP_INT_ID_EXTI4);          }
void  BSP_IntHandlerDMA1_CH1    (void)  { BSP_IntHandler(BSP_INT_ID_DMA1_CH1);       }
void  BSP_IntHandlerDMA1_CH2    (void)  { BSP_IntHandler(BSP_INT_ID_DMA1_CH2);       }
void  BSP_IntHandlerDMA1_CH3    (void)  { BSP_IntHandler(BSP_INT_ID_DMA1_CH3);       }
void  BSP_IntHandlerDMA1_CH4    (void)  { BSP_IntHandler(BSP_INT_ID_DMA1_CH4);       }
void  BSP_IntHandlerDMA1_CH5    (void)  { BSP_IntHandler(BSP_INT_ID_DMA1_CH5);       }
void  BSP_IntHandlerDMA1_CH6    (void)  { BSP_IntHandler(BSP_INT_ID_DMA1_CH6);       }
void  BSP_IntHandlerDMA1_CH7    (void)  { BSP_IntHandler(BSP_INT_ID_DMA1_CH7);       }
void  BSP_IntHandlerADC1_2       (void)  { BSP_IntHandler(BSP_INT_ID_ADC1_2);       }
void  BSP_IntHandlerUSB_HP_CAN_TX (void)  { BSP_IntHandler(BSP_INT_ID_USB_HP_CAN_TX); }
void  BSP_IntHandlerUSB_LP_CAN_RX0(void)  { BSP_IntHandler(BSP_INT_ID_USB_LP_CAN_RX0);  }
void  BSP_IntHandlerCAN_RX1    (void)  { BSP_IntHandler(BSP_INT_ID_CAN_RX1);       }
void  BSP_IntHandlerCAN_SCE    (void)  { BSP_IntHandler(BSP_INT_ID_CAN_SCE);       }
void  BSP_IntHandlerEXTI9_5    (void)  { BSP_IntHandler(BSP_INT_ID_EXTI9_5);       }
void  BSP_IntHandlerTIM1_BRK    (void)  { BSP_IntHandler(BSP_INT_ID_TIM1_BRK);       }
void  BSP_IntHandlerTIM1_UP    (void)  { BSP_IntHandler(BSP_INT_ID_TIM1_UP);       }
void  BSP_IntHandlerTIM1_TRG_COM  (void)  { BSP_IntHandler(BSP_INT_ID_TIM1_TRG_COM); }
void  BSP_IntHandlerTIM1_CC    (void)  { BSP_IntHandler(BSP_INT_ID_TIM1_CC);       }
void  BSP_IntHandlerTIM2       (void)  { BSP_IntHandler(BSP_INT_ID_TIM2);          }
void  BSP_IntHandlerTIM3       (void)  { BSP_IntHandler(BSP_INT_ID_TIM3);          }
void  BSP_IntHandlerTIM4       (void)  { BSP_IntHandler(BSP_INT_ID_TIM4);          }
void  BSP_IntHandlerI2C1_EV    (void)  { BSP_IntHandler(BSP_INT_ID_I2C1_EV);       }
void  BSP_IntHandlerI2C1_ER    (void)  { BSP_IntHandler(BSP_INT_ID_I2C1_ER);       }
void  BSP_IntHandlerI2C2_EV    (void)  { BSP_IntHandler(BSP_INT_ID_I2C2_EV);       }
void  BSP_IntHandlerI2C2_ER    (void)  { BSP_IntHandler(BSP_INT_ID_I2C2_ER);       }
void  BSP_IntHandlerSPI1       (void)  { BSP_IntHandler(BSP_INT_ID_SPI1);          }
void  BSP_IntHandlerSPI2       (void)  { BSP_IntHandler(BSP_INT_ID_SPI2);          }
void  BSP_IntHandlerUSART1       (void)  { BSP_IntHandler(BSP_INT_ID_USART1);       }
void  BSP_IntHandlerUSART2       (void)  { BSP_IntHandler(BSP_INT_ID_USART2);       }
void  BSP_IntHandlerUSART3       (void)  { BSP_IntHandler(BSP_INT_ID_USART3);       }
void  BSP_IntHandlerEXTI15_10    (void)  { BSP_IntHandler(BSP_INT_ID_EXTI15_10);    }
void  BSP_IntHandlerRTCAlarm    (void)  { BSP_IntHandler(BSP_INT_ID_RTCAlarm);       }
void  BSP_IntHandlerUSBWakeUp    (void)  { BSP_IntHandler(BSP_INT_ID_USBWakeUp);    }
void  BSP_IntHandlerTIM8_BRK    (void)  { BSP_IntHandler(BSP_INT_ID_TIM8_BRK);       }
void  BSP_IntHandlerTIM8_UP    (void)  { BSP_IntHandler(BSP_INT_ID_TIM8_UP);       }
void  BSP_IntHandlerTIM8_TRG_COM  (void)  { BSP_IntHandler(BSP_INT_ID_TIM8_TRG_COM); }
void  BSP_IntHandlerTIM8_CC    (void)  { BSP_IntHandler(BSP_INT_ID_TIM8_CC);       }
void  BSP_IntHandlerADC3       (void)  { BSP_IntHandler(BSP_INT_ID_ADC3);          }
void  BSP_IntHandlerFSMC       (void)  { BSP_IntHandler(BSP_INT_ID_FSMC);          }
void  BSP_IntHandlerSDIO       (void)  { BSP_IntHandler(BSP_INT_ID_SDIO);          }
void  BSP_IntHandlerTIM5       (void)  { BSP_IntHandler(BSP_INT_ID_TIM5);          }
void  BSP_IntHandlerSPI3       (void)  { BSP_IntHandler(BSP_INT_ID_SPI3);          }
void  BSP_IntHandlerUART4       (void)  { BSP_IntHandler(BSP_INT_ID_UART4);          }
void  BSP_IntHandlerUART5       (void)  { BSP_IntHandler(BSP_INT_ID_UART5);          }
void  BSP_IntHandlerTIM6       (void)  { BSP_IntHandler(BSP_INT_ID_TIM6);          }
void  BSP_IntHandlerTIM7       (void)  { BSP_IntHandler(BSP_INT_ID_TIM7);          }
void  BSP_IntHandlerDMA2_CH1    (void)  { BSP_IntHandler(BSP_INT_ID_DMA2_CH1);       }
void  BSP_IntHandlerDMA2_CH2    (void)  { BSP_IntHandler(BSP_INT_ID_DMA2_CH2);       }
void  BSP_IntHandlerDMA2_CH3    (void)  { BSP_IntHandler(BSP_INT_ID_DMA2_CH3);       }
void  BSP_IntHandlerDMA2_CH4_5 (void)  { BSP_IntHandler(BSP_INT_ID_DMA2_CH4_5);    }

/*
*********************************************************************************************************
*********************************************************************************************************
*                                        LOCAL FUNCTIONS
*********************************************************************************************************
*********************************************************************************************************
*/

/*
*********************************************************************************************************
*                                        BSP_IntHandler()
*
* Description : Central interrupt handler.
*
* Argument(s) : int_id       Interrupt that will be handled.
*
* Return(s) : none.
*
* Caller(s) : ISR handlers.
*
* Note(s)    : none.
*********************************************************************************************************
*/

static  void  BSP_IntHandler (CPU_DATA  int_id)
{
#if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL)
CPU_SR       cpu_sr;
#endif
CPU_FNCT_VOID  isr;

CPU_CRITICAL_ENTER();                                     /* Tell uC/OS-II that we are starting an ISR          */
OSIntNesting++;
CPU_CRITICAL_EXIT();

if (int_id < BSP_INT_SRC_NBR) {
      isr = BSP_IntVectTbl[int_id];
      if (isr != (CPU_FNCT_VOID)0) {
         isr();
      }
}

OSIntExit();                                              /* Tell uC/OS-II that we are leaving the ISR          */
}

只看该作者 · 2011-10-26 13:25

修改成功!!

请问一下STM32的IAR工程可以不用.S的起动文件吗

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