bsp_int.c

stm32 ucos 精简移殖版本 不需作任何修改直接便可运行。包含串口 定时器

        CPU_CRITICAL_EXIT();
    }
}


/*
*********************************************************************************************************
*                                            BSP_IntPrioSet()
*
* Description : Assign ISR priority.
*
* Argument(s) : int_id      Interrupt for which vector will be set.
*
*               prio        Priority to assign
*
* Return(s)   : none.
*
* Caller(s)   : Application.
*
* Note(s)     : none.
*********************************************************************************************************
*/

void  BSP_IntPrioSet (CPU_DATA    int_id,
                      CPU_INT08U  prio)
{
#if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL)
    CPU_SR    cpu_sr;
#endif


    if (int_id < BSP_INT_SRC_NBR) {
        CPU_CRITICAL_ENTER();
        CPU_IntSrcPrioSet(int_id + 16, prio);
        CPU_CRITICAL_EXIT();
    }
}


/*
*********************************************************************************************************
*********************************************************************************************************
*                                           INTERNAL FUNCTIONS
*********************************************************************************************************
*********************************************************************************************************
*/

/*
*********************************************************************************************************
*                                              BSP_IntInit()
*
* Description : Initialize interrupts:
*
* Argument(s) : none.
*
* Return(s)   : none.
*
* Caller(s)   : BSP_Init().
*
* Note(s)     : none.
*********************************************************************************************************
*/

void  BSP_IntInit (void)
{
    CPU_DATA  int_id;


    for (int_id = 0; int_id < BSP_INT_SRC_NBR; int_id++) {
        BSP_IntVectSet(int_id, BSP_IntHandlerDummy);
    }
    BSP_IntVectSet(BSP_INT_ID_USART2,UART2_ISR);
}


/*
*********************************************************************************************************
*                                        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);       }


/*
*********************************************************************************************************
*********************************************************************************************************
*                                           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            */
}


/*
*********************************************************************************************************
*                                        BSP_IntHandlerDummy()
*
* Description : Dummy interrupt handler.
*
* Argument(s) : none.
*
* Return(s)   : none.
*
* Caller(s)   : BSP_IntHandler().
*
* Note(s)     : none.
*********************************************************************************************************
*/

static  void  BSP_IntHandlerDummy (void)
{
//BSP_IntHandler(USART2);
}

static  void  UART2_ISR(void)
{
  u16 i = 0;
  USART_ClearITPendingBit(USART2,USART_IT_RXNE); 
  i = USART_ReceiveData(USART2);	
  USART_SendData(USART2,i);
}