C++ (Cpp) gpioExtiLineConfig示例

示例#1

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文件： sonar_hcsr04.c 项目： Aeroprobing/Cleanflight

void hcsr04_init(const sonarHardware_t *initialSonarHardware)
{
    gpio_config_t gpio;
    EXTI_InitTypeDef EXTIInit;

    sonarHardware = initialSonarHardware;

#ifdef STM32F10X
    // enable AFIO for EXTI support
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
#endif

#ifdef STM32F303xC
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);

    /* Enable SYSCFG clock otherwise the EXTI irq handlers are not called */
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
#endif

    // trigger pin
    gpio.pin = sonarHardware->trigger_pin;
    gpio.mode = Mode_Out_PP;
    gpio.speed = Speed_2MHz;
    gpioInit(GPIOB, &gpio);

    // echo pin
    gpio.pin = sonarHardware->echo_pin;
    gpio.mode = Mode_IN_FLOATING;
    gpioInit(GPIOB, &gpio);

#ifdef STM32F10X
    // setup external interrupt on echo pin
    gpioExtiLineConfig(GPIO_PortSourceGPIOB, sonarHardware->exti_pin_source);
#endif

#ifdef STM32F303xC
    gpioExtiLineConfig(EXTI_PortSourceGPIOB, sonarHardware->exti_pin_source);
#endif

    EXTI_ClearITPendingBit(sonarHardware->exti_line);

    EXTIInit.EXTI_Line = sonarHardware->exti_line;
    EXTIInit.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTIInit.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
    EXTIInit.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTIInit);

    NVIC_InitTypeDef NVIC_InitStructure;

    NVIC_InitStructure.NVIC_IRQChannel = sonarHardware->exti_irqn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SONAR_ECHO);
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_SONAR_ECHO);
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    lastMeasurementAt = millis() - 60; // force 1st measurement in hcsr04_get_distance()
}

示例#2

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文件： sonar_hcsr04.c 项目： gurkenfolie/inav

void hcsr04_set_sonar_hardware(void)
{
#if !defined(UNIT_TEST)

#ifdef STM32F10X
    // enable AFIO for EXTI support
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
#endif

#ifdef STM32F303xC
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);

    /* Enable SYSCFG clock otherwise the EXTI irq handlers are not called */
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
#endif

    gpio_config_t gpio;
    // trigger pin
    gpio.pin = sonarHcsr04Hardware.trigger_pin;
    gpio.mode = Mode_Out_PP;
    gpio.speed = Speed_2MHz;
    gpioInit(sonarHcsr04Hardware.trigger_gpio, &gpio);
    // echo pin
    gpio.pin = sonarHcsr04Hardware.echo_pin;
    gpio.mode = Mode_IN_FLOATING;
    gpioInit(sonarHcsr04Hardware.echo_gpio, &gpio);

#ifdef STM32F10X
    // setup external interrupt on echo pin
    gpioExtiLineConfig(GPIO_PortSourceGPIOB, sonarHcsr04Hardware.exti_pin_source);
#endif

#ifdef STM32F303xC
    gpioExtiLineConfig(EXTI_PortSourceGPIOB, sonarHcsr04Hardware.exti_pin_source);
#endif

    EXTI_ClearITPendingBit(sonarHcsr04Hardware.exti_line);

    EXTI_InitTypeDef EXTIInit;
    EXTIInit.EXTI_Line = sonarHcsr04Hardware.exti_line;
    EXTIInit.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTIInit.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
    EXTIInit.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTIInit);

    NVIC_InitTypeDef NVIC_InitStructure;
    NVIC_InitStructure.NVIC_IRQChannel = sonarHcsr04Hardware.exti_irqn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SONAR_ECHO);
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_SONAR_ECHO);
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);
#endif
}

示例#3

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文件： compass_hmc5883l.c 项目： phobos-/cleanflight

static void hmc5883lConfigureDataReadyInterruptHandling(void)
{
#ifdef USE_MAG_DATA_READY_SIGNAL

    if (!(hmc5883Config->exti_port_source && hmc5883Config->exti_pin_source)) {
        return;
    }
#ifdef STM32F10X
    // enable AFIO for EXTI support
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
#endif

#ifdef STM32F303xC
    /* Enable SYSCFG clock otherwise the EXTI irq handlers are not called */
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
#endif

#ifdef STM32F10X
    gpioExtiLineConfig(hmc5883Config->exti_port_source, hmc5883Config->exti_pin_source);
#endif

#ifdef STM32F303xC
    gpioExtiLineConfig(hmc5883Config->exti_port_source, hmc5883Config->exti_pin_source);
#endif

#ifdef ENSURE_MAG_DATA_READY_IS_HIGH
    uint8_t status = GPIO_ReadInputDataBit(hmc5883Config->gpioPort, hmc5883Config->gpioPin);
    if (!status) {
        return;
    }
#endif

    registerExti15_10_CallbackHandler(MAG_DATA_READY_EXTI_Handler);

    EXTI_ClearITPendingBit(hmc5883Config->exti_line);

    EXTI_InitTypeDef EXTIInit;
    EXTIInit.EXTI_Line = hmc5883Config->exti_line;
    EXTIInit.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTIInit.EXTI_Trigger = EXTI_Trigger_Falling;
    EXTIInit.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTIInit);

    NVIC_InitTypeDef NVIC_InitStructure;

    NVIC_InitStructure.NVIC_IRQChannel = hmc5883Config->exti_irqn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_MAG_DATA_READY);
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_MAG_DATA_READY);
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);
#endif
}

示例#4

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文件： accgyro_spi_mpu6000.c 项目： bgpursuit/Triflight

void configureMPUDataReadyInterruptHandling(void)
{
#ifdef USE_MPU_DATA_READY_SIGNAL

#ifdef STM32F10X
    // enable AFIO for EXTI support
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
#endif

#ifdef STM32F303xC
    /* Enable SYSCFG clock otherwise the EXTI irq handlers are not called */
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
#endif

#ifdef STM32F10X
    gpioExtiLineConfig(mpu6000Config->exti_port_source, mpu6000Config->exti_pin_source);
#endif

#ifdef STM32F303xC
    gpioExtiLineConfig(mpu6000Config->exti_port_source, mpu6000Config->exti_pin_source);
#endif

#ifdef ENSURE_MPU_DATA_READY_IS_LOW
    uint8_t status = GPIO_ReadInputDataBit(mpu6000Config->gpioPort, mpu6000Config->gpioPin);
    if (status) {
        return;
    }
#endif

    EXTI_ClearITPendingBit(mpu6000Config->exti_line);

    EXTI_InitTypeDef EXTIInit;
    EXTIInit.EXTI_Line = mpu6000Config->exti_line;
    EXTIInit.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTIInit.EXTI_Trigger = EXTI_Trigger_Rising;
    EXTIInit.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTIInit);

    NVIC_InitTypeDef NVIC_InitStructure;

    NVIC_InitStructure.NVIC_IRQChannel = mpu6000Config->exti_irqn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_MPU_DATA_READY);
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_MPU_DATA_READY);
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);
#endif
}

示例#5

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文件： drv_hcsr04.c 项目： CamBl98/afrodevices

void hcsr04_init(sonar_config_t config)
{
    gpio_config_t gpio;
    EXTI_InitTypeDef EXTIInit;

    // enable AFIO for EXTI support - already done is drv_system.c
    // RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph, ENABLE);

    switch(config) {
        case sonar_pwm56:
            trigger_pin = Pin_8;   // PWM5 (PB8) - 5v tolerant
            echo_pin = Pin_9;      // PWM6 (PB9) - 5v tolerant
            exti_line = EXTI_Line9;
            exti_pin_source = GPIO_PinSource9;
            exti_irqn = EXTI9_5_IRQn;
            break;
        case sonar_rc78:
            trigger_pin = Pin_0;   // RX7 (PB0) - only 3.3v ( add a 1K Ohms resistor )
            echo_pin = Pin_1;      // RX8 (PB1) - only 3.3v ( add a 1K Ohms resistor )
            exti_line = EXTI_Line1;
            exti_pin_source = GPIO_PinSource1;
            exti_irqn = EXTI1_IRQn;
            break;
    }

    // tp - trigger pin
    gpio.pin = trigger_pin;
    gpio.mode = Mode_Out_PP;
    gpio.speed = Speed_2MHz;
    gpioInit(GPIOB, &gpio);

    // ep - echo pin
    gpio.pin = echo_pin;
    gpio.mode = Mode_IN_FLOATING;
    gpioInit(GPIOB, &gpio);

    // setup external interrupt on echo pin
    gpioExtiLineConfig(GPIO_PortSourceGPIOB, exti_pin_source);

    EXTI_ClearITPendingBit(exti_line);

    EXTIInit.EXTI_Line = exti_line;
    EXTIInit.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTIInit.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
    EXTIInit.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTIInit);

    NVIC_EnableIRQ(exti_irqn);

    last_measurement = millis() - 60; // force 1st measurement in hcsr04_get_distance()
}

示例#6

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文件： sonar_hcsr04.c 项目： AhLeeYong/cleanflight

void hcsr04_init(const sonarHardware_t *initialSonarHardware)
{
    gpio_config_t gpio;
    EXTI_InitTypeDef EXTIInit;

    sonarHardware = initialSonarHardware;

    // enable AFIO for EXTI support
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);

    // tp - trigger pin
    gpio.pin = sonarHardware->trigger_pin;
    gpio.mode = Mode_Out_PP;
    gpio.speed = Speed_2MHz;
    gpioInit(GPIOB, &gpio);

    // ep - echo pin
    gpio.pin = sonarHardware->echo_pin;
    gpio.mode = Mode_IN_FLOATING;
    gpioInit(GPIOB, &gpio);

    // setup external interrupt on echo pin
    gpioExtiLineConfig(GPIO_PortSourceGPIOB, sonarHardware->exti_pin_source);

    EXTI_ClearITPendingBit(sonarHardware->exti_line);

    EXTIInit.EXTI_Line = sonarHardware->exti_line;
    EXTIInit.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTIInit.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
    EXTIInit.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTIInit);

    NVIC_EnableIRQ(sonarHardware->exti_irqn);

    last_measurement = millis() - 60; // force 1st measurement in hcsr04_get_distance()
}

示例#7

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文件： sonar_hcsr04.c 项目： Tkumars/cleanflight

void hcsr04_init(const sonarHardware_t *initialSonarHardware, sonarRange_t *sonarRange)
{
    sonarHardware = initialSonarHardware;
    sonarRange->maxRangeCm = HCSR04_MAX_RANGE_CM;
    sonarRange->detectionConeDeciDegrees = HCSR04_DETECTION_CONE_DECIDEGREES;
    sonarRange->detectionConeExtendedDeciDegrees = HCSR04_DETECTION_CONE_EXTENDED_DECIDEGREES;

#if !defined(UNIT_TEST)
    gpio_config_t gpio;
    EXTI_InitTypeDef EXTIInit;

#ifdef STM32F10X
    // enable AFIO for EXTI support
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
#endif

#ifdef STM32F303xC
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);

    /* Enable SYSCFG clock otherwise the EXTI irq handlers are not called */
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
#endif

    // trigger pin
    gpio.pin = sonarHardware->trigger_pin;
    gpio.mode = Mode_Out_PP;
    gpio.speed = Speed_2MHz;
    gpioInit(GPIOB, &gpio);

    // echo pin
    gpio.pin = sonarHardware->echo_pin;
    gpio.mode = Mode_IN_FLOATING;
    gpioInit(GPIOB, &gpio);

#ifdef STM32F10X
    // setup external interrupt on echo pin
    gpioExtiLineConfig(GPIO_PortSourceGPIOB, sonarHardware->exti_pin_source);
#endif

#ifdef STM32F303xC
    gpioExtiLineConfig(EXTI_PortSourceGPIOB, sonarHardware->exti_pin_source);
#endif

    EXTI_ClearITPendingBit(sonarHardware->exti_line);

    EXTIInit.EXTI_Line = sonarHardware->exti_line;
    EXTIInit.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTIInit.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
    EXTIInit.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTIInit);

    NVIC_InitTypeDef NVIC_InitStructure;

    NVIC_InitStructure.NVIC_IRQChannel = sonarHardware->exti_irqn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SONAR_ECHO);
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_SONAR_ECHO);
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    lastMeasurementAt = millis() - 60; // force 1st measurement in hcsr04_get_distance()
#else
    lastMeasurementAt = 0; // to avoid "unused" compiler warning
#endif
}