Ejemplos de nrf_drv_adc_sample_convert en C++ (Cpp)

Ejemplo n.º 1

Archivo: nrf_drv_csense.c Proyecto: TanekLiang/rt-thread

ret_code_t nrf_drv_csense_sample(void)
{
    ASSERT(m_csense.module_state == NRF_DRV_STATE_POWERED_ON);

    if(m_csense.adc_channels_input_mask != 0)
    {
        if(m_csense.channels_to_read == 0)
        {
#if USE_COMP == 0 && defined(SAADC_PRESENT)
            nrf_saadc_enable();
#endif
            if(nrf_drv_csense_is_busy() == true)
            {
                return NRF_ERROR_BUSY;
            }
            m_csense.busy = true;
            m_csense.channels_to_read = m_csense.adc_channels_input_mask;
            calculate_next_channel();
        }

#if USE_COMP
        if (!m_csense.timers_powered_on)
        {
            nrf_drv_timer_enable(&m_timer0);
            nrf_drv_timer_enable(&m_timer1);
            m_csense.timers_powered_on = true;
        }
        else
        {
            nrf_drv_timer_resume(&m_timer0);
            nrf_drv_timer_resume(&m_timer1);
        }
        nrf_drv_comp_pin_select((nrf_comp_input_t)m_csense.cur_chann_idx);
        nrf_drv_comp_start(0, 0);
#else
        ret_code_t err_code;
#ifdef ADC_PRESENT
        adc_channel.config.config.ain = (nrf_adc_config_input_t)(1<<m_csense.cur_chann_idx);
        nrf_gpio_pin_clear(m_csense.output_pin);
        err_code = nrf_drv_adc_sample_convert(&adc_channel, NULL);
#elif defined(SAADC_PRESENT)
        saadc_channel.pin_p = (nrf_saadc_input_t)(m_csense.cur_chann_idx + 1);
        nrf_saadc_channel_input_set(0, saadc_channel.pin_p, NRF_SAADC_INPUT_DISABLED);
        nrf_gpio_pin_clear(m_csense.output_pin);
        err_code = nrf_drv_saadc_sample();
#endif //ADC_PRESENT
        if(err_code != NRF_SUCCESS)
        {
            return err_code;
        }
#endif //USE_COMP
    }

    return NRF_SUCCESS;
}

Ejemplo n.º 2

Archivo: analogin_api.c Proyecto: Archcady/mbed-os

uint16_t analogin_read_u16(analogin_t *obj)
{
    nrf_adc_value_t adc_value;
       
    nrf_drv_adc_channel_t adc_channel;
    
    // initialization by assigment because IAR dosen't support variable initializer in declaration statement.
    adc_channel.config.config.resolution = NRF_ADC_CONFIG_RES_10BIT;
    adc_channel.config.config.input      = NRF_ADC_CONFIG_SCALING_INPUT_ONE_THIRD;
    adc_channel.config.config.reference  = NRF_ADC_CONFIG_REF_VBG;
    adc_channel.config.config.ain        = (obj->adc_pin);
    adc_channel.p_next = NULL;
    

    ret_code_t ret_code;
    
    ret_code = nrf_drv_adc_sample_convert( &adc_channel, &adc_value);
    MBED_ASSERT(ret_code == NRF_SUCCESS);
    
    return adc_value;
}