stm32f10x_exti.lst

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     92            }
     93          }
     94          
     95          /*******************************************************************************
     96          * Function Name  : EXTI_StructInit
     97          * Description    : Fills each EXTI_InitStruct member with its reset value.
     98          * Input          : - EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure
     99          *                    which will be initialized.
    100          * Output         : None
    101          * Return         : None
    102          *******************************************************************************/
    103          void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct)
    104          {
    105            EXTI_InitStruct->EXTI_Line = EXTI_LineNone;
    106            EXTI_InitStruct->EXTI_Mode = EXTI_Mode_Interrupt;
    107            EXTI_InitStruct->EXTI_Trigger = EXTI_Trigger_Falling;
    108            EXTI_InitStruct->EXTI_LineCmd = DISABLE;
    109          }
    110          
    111          /*******************************************************************************
    112          * Function Name  : EXTI_GenerateSWInterrupt
    113          * Description    : Generates a Software interrupt.
    114          * Input          : - EXTI_Line: specifies the EXTI lines to be enabled or
    115          *                    disabled.
    116          *                    This parameter can be:
    117          *                       - EXTI_Linex: External interrupt line x where x(0..18)
    118          * Output         : None
    119          * Return         : None
    120          *******************************************************************************/
    121          void EXTI_GenerateSWInterrupt(u32 EXTI_Line)
    122          {
    123            /* Check the parameters */
    124            assert(IS_EXTI_LINE(EXTI_Line));
    125            
    126            EXTI->SWIER |= EXTI_Line;
    127          }
    128          
    129          /*******************************************************************************
    130          * Function Name  : EXTI_GetFlagStatus
    131          * Description    : Checks whether the specified EXTI line flag is set or not.
    132          * Input          : - EXTI_Line: specifies the EXTI lines flag to check.
    133          *                    This parameter can be:
    134          *                       - EXTI_Linex: External interrupt line x where x(0..18)
    135          * Output         : None
    136          * Return         : The new state of EXTI_Line (SET or RESET).
    137          *******************************************************************************/
    138          FlagStatus EXTI_GetFlagStatus(u32 EXTI_Line)
    139          {
    140            FlagStatus bitstatus = RESET;
    141          
    142            /* Check the parameters */
    143            assert(IS_GET_EXTI_LINE(EXTI_Line));
    144            
    145            if ((EXTI->PR & EXTI_Line) != (u32)RESET)
    146            {
    147              bitstatus = SET;
    148            }
    149            else
    150            {
    151              bitstatus = RESET;
    152            }
    153            return bitstatus;
    154          }
    155          
    156          /*******************************************************************************
    157          * Function Name  : EXTI_ClearFlag
    158          * Description    : Clears the EXTI抯 line pending flags.
    159          * Input          : - EXTI_Line: specifies the EXTI lines flags to clear.
    160          *                    This parameter can be:
    161          *                       - EXTI_Linex: External interrupt line x where x(0..18)
    162          * Output         : None
    163          * Return         : None
    164          *******************************************************************************/
    165          void EXTI_ClearFlag(u32 EXTI_Line)
    166          {
    167            /* Check the parameters */
    168            assert(IS_EXTI_LINE(EXTI_Line));
    169            
    170            EXTI->PR = EXTI_Line;
    171          }
    172          
    173          /*******************************************************************************
    174          * Function Name  : EXTI_GetITStatus
    175          * Description    : Checks whether the specified EXTI line is asserted or not.
    176          * Input          : - EXTI_Line: specifies the EXTI lines to check.
    177          *                    This parameter can be:
    178          *                       - EXTI_Linex: External interrupt line x where x(0..18)
    179          * Output         : None
    180          * Return         : The new state of EXTI_Line (SET or RESET).
    181          *******************************************************************************/
    182          ITStatus EXTI_GetITStatus(u32 EXTI_Line)
    183          {
    184            ITStatus bitstatus = RESET;
    185            u32 enablestatus = 0;
    186          
    187            /* Check the parameters */
    188            assert(IS_GET_EXTI_LINE(EXTI_Line));
    189            
    190            enablestatus =  EXTI->IMR & EXTI_Line;
    191          
    192            if (((EXTI->PR & EXTI_Line) != (u32)RESET) && enablestatus)
    193            {
    194              bitstatus = SET;
    195            }
    196            else
    197            {
    198              bitstatus = RESET;
    199            }
    200            return bitstatus;
    201          }
    202          
    203          /*******************************************************************************
    204          * Function Name  : EXTI_ClearITPendingBit
    205          * Description    : Clears the EXTI抯 line pending bits.
    206          * Input          : - EXTI_Line: specifies the EXTI lines to clear.
    207          *                    This parameter can be:
    208          *                       - EXTI_Linex: External interrupt line x where x(0..18)
    209          * Output         : None
    210          * Return         : None
    211          *******************************************************************************/
    212          void EXTI_ClearITPendingBit(u32 EXTI_Line)
    213          {
    214            /* Check the parameters */
    215            assert(IS_EXTI_LINE(EXTI_Line));
    216            
    217            EXTI->PR = EXTI_Line;
    218          }
    219          
    220          /******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/

Errors: 1
Warnings: none