Esempi in C++ (Cpp) per LPC32XX_ADC_SELECT

Esempio n. 1

File: lpc32xx_adc.c Progetto: sagark/linux-pf-profile

static int lpc32xx_read_raw(struct iio_dev *indio_dev,
				struct iio_chan_spec const *chan,
				int *val,
				int *val2,
				long mask)
{
	struct lpc32xx_adc_info *info = iio_priv(indio_dev);

	if (mask == IIO_CHAN_INFO_RAW) {
		mutex_lock(&indio_dev->mlock);
		clk_prepare_enable(info->clk);
		/* Measurement setup */
		__raw_writel(AD_INTERNAL | (chan->address) | AD_REFp | AD_REFm,
			LPC32XX_ADC_SELECT(info->adc_base));
		/* Trigger conversion */
		__raw_writel(AD_PDN_CTRL | AD_STROBE,
			LPC32XX_ADC_CTRL(info->adc_base));
		wait_for_completion(&info->completion); /* set by ISR */
		clk_disable_unprepare(info->clk);
		*val = info->value;
		mutex_unlock(&indio_dev->mlock);

		return IIO_VAL_INT;
	}

	return -EINVAL;
}

Esempio n. 2

File: lpc32xx_adc.c Progetto: DirtyDroidX/android_kernel_htc_m8ul

static int lpc32xx_read_raw(struct iio_dev *indio_dev,
				struct iio_chan_spec const *chan,
				int *val,
				int *val2,
				long mask)
{
	struct lpc32xx_adc_info *info = iio_priv(indio_dev);

	if (mask == 0) {
		mutex_lock(&indio_dev->mlock);
		clk_enable(info->clk);
		
		__raw_writel(AD_INTERNAL | (chan->address) | AD_REFp | AD_REFm,
			LPC32XX_ADC_SELECT(info->adc_base));
		
		__raw_writel(AD_PDN_CTRL | AD_STROBE,
			LPC32XX_ADC_CTRL(info->adc_base));
		wait_for_completion(&info->completion); 
		clk_disable(info->clk);
		*val = info->value;
		mutex_unlock(&indio_dev->mlock);

		return IIO_VAL_INT;
	}

	return -EINVAL;
}