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How to set exit while using cmsis-driver

There is no api for extern interrupts. So how to set exit while using cmsis-driver?

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0 Vladimir Vdovin over 7 years ago

//Ð²Ñ€ÐµÐ¼ÐµÐ½Ð½Ð°Ñ Ð¸Ð½Ð¸Ñ†Ð¸Ð°Ð»Ð¸Ð·Ð°Ñ†Ð¸Ñ ÐºÐ½Ð¾Ð¿ÐºÐ¸ Ñ Ñ„Ð¸ÐºÑÐ°Ñ†Ð¸ÐµÐ¹  Ð¿Ñ€Ð¾Ð²ÐµÑ€ÐºÐ° Ð²ÐºÐ»ÑŽÑ‡ÐµÐ½Ð¸Ñ Ð² Ð¿Ñ€ÐµÑ€Ñ‹Ð²Ð°Ð½Ð¸ÑÑ…
    GPIO_StructInit(&port);
    port.GPIO_Mode = GPIO_Mode_IPD; //GPIO_Mode_AF_PP;
    port.GPIO_Pin = GPIO_Pin_0;                                          //Ð¿Ð¾ÑÐ¼Ð¾Ñ‚Ñ€ÐµÑ‚ÑŒ Ð²Ñ€ÐµÐ¼ÐµÐ½Ð½Ð¾ ÑƒÐ´Ð¾Ð±Ð½Ñ‹Ð¹ Ð¿Ð¸Ð½.
    port.GPIO_Speed = GPIO_Speed_2MHz;
    GPIO_Init(GPIOB, &port);                                                         //Ð²Ñ‹ÑÑ‚Ð°Ð²Ð¸Ñ‚ÑŒ Ð²Ñ€ÐµÐ¼ÐµÐ½Ð½Ð¾ ÑƒÐ´Ð¾Ð±Ð½Ñ‹Ð¹ Ð¿Ð¾Ñ€Ñ‚.
//Ð½Ð°ÑÑ‚Ñ€Ð¾Ð¹ÐºÐ° ÑÐ¸ÑÑ‚ÐµÐ¼Ñ‹ Ð¿Ñ€ÐµÑ€Ñ‹Ð²Ð°Ð½Ð¸Ð¹
                GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource0);
                 /* PB0 is connected to EXTI_Line0, which has EXTI0_IRQn vector */
    NVIC_InitStruct.NVIC_IRQChannel = EXTI0_IRQn;
    /* Set priority */
    NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority = 0x00;
    /* Set sub priority */
    NVIC_InitStruct.NVIC_IRQChannelSubPriority = 0x00;
    /* Enable interrupt */
    NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE;
    /* Add to NVIC */
    NVIC_Init(&NVIC_InitStruct);
                EXTI_InitStruct.EXTI_Line = EXTI_Line0;
    /* Enable interrupt */
    EXTI_InitStruct.EXTI_LineCmd = ENABLE;
    /* Interrupt mode */
    EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
    /* Triggers on rising and falling edge */
    EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
    /* Add to EXTI */
    EXTI_Init(&EXTI_InitStruct);
                NVIC_EnableIRQ(EXTI0_IRQn);                                                     // Ð²Ñ‹ÑÑ‚Ð°Ð²Ð¸Ñ‚ÑŒ Ð½Ð° Ð½ÑƒÐ¶Ð½Ð¾Ðµ Ð˜Ð ÐšÐ£

void EXTI0_IRQHandler(void)
        {
            if (EXTI_GetITStatus(EXTI_Line0) != RESET) {
        if (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_0) != 0) {
            // Rising

        }
        if (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_0) == 0) {
            // Falling

        }

        /* Clear interrupt flag */
        EXTI_ClearITPendingBit(EXTI_Line0);
    }
}

something like this

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0 Vladimir Vdovin over 7 years ago

//Ð²Ñ€ÐµÐ¼ÐµÐ½Ð½Ð°Ñ Ð¸Ð½Ð¸Ñ†Ð¸Ð°Ð»Ð¸Ð·Ð°Ñ†Ð¸Ñ ÐºÐ½Ð¾Ð¿ÐºÐ¸ Ñ Ñ„Ð¸ÐºÑÐ°Ñ†Ð¸ÐµÐ¹  Ð¿Ñ€Ð¾Ð²ÐµÑ€ÐºÐ° Ð²ÐºÐ»ÑŽÑ‡ÐµÐ½Ð¸Ñ Ð² Ð¿Ñ€ÐµÑ€Ñ‹Ð²Ð°Ð½Ð¸ÑÑ…
    GPIO_StructInit(&port);
    port.GPIO_Mode = GPIO_Mode_IPD; //GPIO_Mode_AF_PP;
    port.GPIO_Pin = GPIO_Pin_0;                                          //Ð¿Ð¾ÑÐ¼Ð¾Ñ‚Ñ€ÐµÑ‚ÑŒ Ð²Ñ€ÐµÐ¼ÐµÐ½Ð½Ð¾ ÑƒÐ´Ð¾Ð±Ð½Ñ‹Ð¹ Ð¿Ð¸Ð½.
    port.GPIO_Speed = GPIO_Speed_2MHz;
    GPIO_Init(GPIOB, &port);                                                         //Ð²Ñ‹ÑÑ‚Ð°Ð²Ð¸Ñ‚ÑŒ Ð²Ñ€ÐµÐ¼ÐµÐ½Ð½Ð¾ ÑƒÐ´Ð¾Ð±Ð½Ñ‹Ð¹ Ð¿Ð¾Ñ€Ñ‚.
//Ð½Ð°ÑÑ‚Ñ€Ð¾Ð¹ÐºÐ° ÑÐ¸ÑÑ‚ÐµÐ¼Ñ‹ Ð¿Ñ€ÐµÑ€Ñ‹Ð²Ð°Ð½Ð¸Ð¹
                GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource0);
                 /* PB0 is connected to EXTI_Line0, which has EXTI0_IRQn vector */
    NVIC_InitStruct.NVIC_IRQChannel = EXTI0_IRQn;
    /* Set priority */
    NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority = 0x00;
    /* Set sub priority */
    NVIC_InitStruct.NVIC_IRQChannelSubPriority = 0x00;
    /* Enable interrupt */
    NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE;
    /* Add to NVIC */
    NVIC_Init(&NVIC_InitStruct);
                EXTI_InitStruct.EXTI_Line = EXTI_Line0;
    /* Enable interrupt */
    EXTI_InitStruct.EXTI_LineCmd = ENABLE;
    /* Interrupt mode */
    EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
    /* Triggers on rising and falling edge */
    EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
    /* Add to EXTI */
    EXTI_Init(&EXTI_InitStruct);
                NVIC_EnableIRQ(EXTI0_IRQn);                                                     // Ð²Ñ‹ÑÑ‚Ð°Ð²Ð¸Ñ‚ÑŒ Ð½Ð° Ð½ÑƒÐ¶Ð½Ð¾Ðµ Ð˜Ð ÐšÐ£

void EXTI0_IRQHandler(void)
        {
            if (EXTI_GetITStatus(EXTI_Line0) != RESET) {
        if (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_0) != 0) {
            // Rising

        }
        if (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_0) == 0) {
            // Falling

        }

        /* Clear interrupt flag */
        EXTI_ClearITPendingBit(EXTI_Line0);
    }
}

something like this

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