Ejemplos de HAL_ADCEx_Calibration_GetValue en C++ (Cpp)

Ejemplo n.º 1

Archivo: analogin_device.c Proyecto: sg-/mbed-os

void analogin_init(analogin_t *obj, PinName pin)
{
    uint32_t function = (uint32_t)NC;

    // ADC Internal Channels "pins"  (Temperature, Vref, Vbat, ...)
    //   are described in PinNames.h and PeripheralPins.c
    //   Pin value must be between 0xF0 and 0xFF
    if ((pin < 0xF0) || (pin >= 0x100)) {
        // Normal channels
        // Get the peripheral name from the pin and assign it to the object
        obj->handle.Instance = (ADC_TypeDef *)pinmap_peripheral(pin, PinMap_ADC);
        // Get the functions (adc channel) from the pin and assign it to the object
        function = pinmap_function(pin, PinMap_ADC);
        // Configure GPIO
        pinmap_pinout(pin, PinMap_ADC);
    } else {
        // Internal channels
        obj->handle.Instance = (ADC_TypeDef *)pinmap_peripheral(pin, PinMap_ADC_Internal);
        function = pinmap_function(pin, PinMap_ADC_Internal);
        // No GPIO configuration for internal channels
    }
    MBED_ASSERT(obj->handle.Instance != (ADC_TypeDef *)NC);
    MBED_ASSERT(function != (uint32_t)NC);

    obj->channel = STM_PIN_CHANNEL(function);

    // Save pin number for the read function
    obj->pin = pin;

    // Configure ADC object structures
    obj->handle.State = HAL_ADC_STATE_RESET;
    obj->handle.Init.OversamplingMode      = DISABLE;
    obj->handle.Init.ClockPrescaler        = ADC_CLOCK_SYNC_PCLK_DIV1;
    obj->handle.Init.Resolution            = ADC_RESOLUTION_12B;
    obj->handle.Init.SamplingTime          = ADC_SAMPLETIME_160CYCLES_5;
    obj->handle.Init.ScanConvMode          = ADC_SCAN_DIRECTION_FORWARD;
    obj->handle.Init.DataAlign             = ADC_DATAALIGN_RIGHT;
    obj->handle.Init.ContinuousConvMode    = DISABLE;
    obj->handle.Init.DiscontinuousConvMode = DISABLE;
    obj->handle.Init.ExternalTrigConvEdge  = ADC_EXTERNALTRIG_EDGE_NONE;
    obj->handle.Init.ExternalTrigConv      = ADC_EXTERNALTRIG0_T6_TRGO; // Not used here
    obj->handle.Init.DMAContinuousRequests = DISABLE;
    obj->handle.Init.EOCSelection          = EOC_SINGLE_CONV;
    obj->handle.Init.Overrun               = OVR_DATA_OVERWRITTEN;
    obj->handle.Init.LowPowerAutoWait      = ENABLE;
    obj->handle.Init.LowPowerFrequencyMode = DISABLE; // To be enabled only if ADC clock < 2.8 MHz
    obj->handle.Init.LowPowerAutoPowerOff  = DISABLE;

    __HAL_RCC_ADC1_CLK_ENABLE();

    if (HAL_ADC_Init(&obj->handle) != HAL_OK) {
        error("Cannot initialize ADC");
    }

    if (!HAL_ADCEx_Calibration_GetValue(&obj->handle, ADC_SINGLE_ENDED)) {
        HAL_ADCEx_Calibration_Start(&obj->handle, ADC_SINGLE_ENDED);
    }

    __HAL_ADC_ENABLE(&obj->handle);
}

Ejemplo n.º 2

Archivo: analogin_device.c Proyecto: pan-/mbed

void analogin_init(analogin_t *obj, PinName pin)
{
    uint32_t function = (uint32_t)NC;

    // ADC Internal Channels "pins"  (Temperature, Vref, Vbat, ...)
    //   are described in PinNames.h and PeripheralPins.c
    //   Pin value must be between 0xF0 and 0xFF
    if ((pin < 0xF0) || (pin >= 0x100)) {
        // Normal channels
        // Get the peripheral name from the pin and assign it to the object
        obj->handle.Instance = (ADC_TypeDef *)pinmap_peripheral(pin, PinMap_ADC);
        // Get the functions (adc channel) from the pin and assign it to the object
        function = pinmap_function(pin, PinMap_ADC);
        // Configure GPIO
        pinmap_pinout(pin, PinMap_ADC);
    } else {
        // Internal channels
        obj->handle.Instance = (ADC_TypeDef *)pinmap_peripheral(pin, PinMap_ADC_Internal);
        function = pinmap_function(pin, PinMap_ADC_Internal);
        // No GPIO configuration for internal channels
    }
    MBED_ASSERT(obj->handle.Instance != (ADC_TypeDef *)NC);
    MBED_ASSERT(function != (uint32_t)NC);

    obj->channel = STM_PIN_CHANNEL(function);

    // Save pin number for the read function
    obj->pin = pin;

    // Configure ADC object structures
    obj->handle.State = HAL_ADC_STATE_RESET;
    obj->handle.Init.ClockPrescaler        = ADC_CLOCK_SYNC_PCLK_DIV2;
    obj->handle.Init.Resolution            = ADC_RESOLUTION_12B;
    obj->handle.Init.DataAlign             = ADC_DATAALIGN_RIGHT;
    obj->handle.Init.ScanConvMode          = DISABLE;
    obj->handle.Init.EOCSelection          = ADC_EOC_SINGLE_CONV;
    obj->handle.Init.LowPowerAutoWait      = DISABLE;
    obj->handle.Init.ContinuousConvMode    = DISABLE;
    obj->handle.Init.NbrOfConversion       = 1;
    obj->handle.Init.DiscontinuousConvMode = DISABLE;
    obj->handle.Init.NbrOfDiscConversion   = 0;
    obj->handle.Init.ExternalTrigConv      = ADC_EXTERNALTRIGCONV_T1_CC1;
    obj->handle.Init.ExternalTrigConvEdge  = ADC_EXTERNALTRIGCONVEDGE_NONE;
    obj->handle.Init.DMAContinuousRequests = DISABLE;
    obj->handle.Init.Overrun               = ADC_OVR_DATA_OVERWRITTEN;

#if defined(ADC1)
    if ((ADCName)obj->handle.Instance == ADC_1) {
        __HAL_RCC_ADC1_CLK_ENABLE();
    }
#endif
#if defined(ADC2)
    if ((ADCName)obj->handle.Instance == ADC_2) {
        __HAL_RCC_ADC2_CLK_ENABLE();
    }
#endif
#if defined(ADC3)
    if ((ADCName)obj->handle.Instance == ADC_3) {
        __HAL_RCC_ADC34_CLK_ENABLE();
    }
#endif
#if defined(ADC4)
    if ((ADCName)obj->handle.Instance == ADC_4) {
        __HAL_RCC_ADC34_CLK_ENABLE();
    }
#endif

    if (HAL_ADC_Init(&obj->handle) != HAL_OK) {
        error("Cannot initialize ADC\n");
    }

    if (!HAL_ADCEx_Calibration_GetValue(&obj->handle, ADC_SINGLE_ENDED)) {
        HAL_ADCEx_Calibration_Start(&obj->handle, ADC_SINGLE_ENDED);
    }
}