Exemplos de S3C_ADCCON_SELMUX em C++ (Cpp)

Exemplo n.º 1

Arquivo: adc.c Projeto: Byst/StupidFast

unsigned int s3c_adc_convert(void)
{
	unsigned int adc_return = 0;
	unsigned long data0;
	unsigned long data1;

	writel(readl(base_addr + S3C_ADCCON) | S3C_ADCCON_SELMUX(adc_port), base_addr + S3C_ADCCON);

	udelay(10);

	writel(readl(base_addr + S3C_ADCCON) | S3C_ADCCON_ENABLE_START, base_addr + S3C_ADCCON);

	do {
		data0 = readl(base_addr + S3C_ADCCON);
	} while(!(data0 & S3C_ADCCON_ECFLG));

	data1 = readl(base_addr + S3C_ADCDAT0);

	if (plat_data->resolution == 12)
		adc_return = data1 & S3C_ADCDAT0_XPDATA_MASK_12BIT;
	else
		adc_return = data1 & S3C_ADCDAT0_XPDATA_MASK;

	return adc_return;
}

Exemplo n.º 2

int s3c_adc_convert_data(void)
{
	unsigned int adc_return = 0;
	unsigned long data0;
	unsigned long data1;
	
	if(!ready_to_work)
	{
		pr_err("%s:E: tried to read ADC before ready to work\n",__func__);
		return -EIO;
	}
	writel((readl(base_addr+S3C_ADCCON) & ~S3C_ADCCON_MUXMASK) | S3C_ADCCON_SELMUX(0),base_addr+S3C_ADCCON);
	
	writel(readl(base_addr+S3C_ADCCON) & ~S3C_ADCCON_STDBM , base_addr+S3C_ADCCON);
	writel(readl(base_addr+S3C_ADCCON) | S3C_ADCCON_READ_START , base_addr+S3C_ADCCON);

	writel(readl(base_addr+S3C_ADCCON) | S3C_ADCCON_ENABLE_START , base_addr+S3C_ADCCON);

	udelay(10);

	data1 = readl(base_addr + S3C_ADCDAT0);
	do
	{
		data0 = readl(base_addr + S3C_ADCCON);
	}while(!(data0 & S3C_ADCCON_ECFLG));

	if(plat_data->resolution == 12)
	{
		adc_return = data1 & S3C_ADCDAT0_XPDATA_MASK_12BIT;
	}
	else
	{
		adc_return = data1 & S3C_ADCDAT0_XPDATA_MASK;
	}
	
	writel(readl(base_addr+S3C_ADCCON) & ~S3C_ADCCON_STDBM , base_addr+S3C_ADCCON);

	writel((readl(base_addr+S3C_ADCCON) & ~S3C_ADCCON_MUXMASK) | S3C_ADCCON_SELMUX(adc_port),base_addr+S3C_ADCCON);
	writel(readl(base_addr+S3C_ADCCON) & ~S3C_ADCCON_READ_START , base_addr+S3C_ADCCON);
	return adc_return;
}

Exemplo n.º 3

int s3c_adc_convert(void)
{
	unsigned int adc_return = 0;
	unsigned long data0;
	unsigned long data1;
	int i = 0;

	if (!ready_to_work) {
		pr_err("%s:E: tried to read ADC before ready to work\n", __func__);
		return -EIO;
	}
	
	writel((readl(base_addr+S3C_ADCCON) & ~S3C_ADCCON_MUXMASK)
			| S3C_ADCCON_SELMUX(adc_port), base_addr+S3C_ADCCON);

	/* Normal Operation Mode */
	writel(readl(base_addr+S3C_ADCCON) & ~S3C_ADCCON_STDBM,
			base_addr+S3C_ADCCON);

	
	writel(readl(base_addr+S3C_ADCCON) | S3C_ADCCON_ENABLE_START,
				base_addr+S3C_ADCCON);
/*
	do {
	//	writel(readl(base_addr+S3C_ADCCON) | S3C_ADCCON_ENABLE_START,
	//			base_addr+S3C_ADCCON);

		udelay(1000);

		data0 = readl(base_addr+S3C_ADCCON);
		//if (!(data0 & S3C_ADCCON_ENABLE_START) && (data0 & S3C_ADCCON_ECFLG)) {
		if ((data0 & S3C_ADCCON_ECFLG)) {
			data1 = readl(base_addr+S3C_ADCDAT0);
			break;
		} else {
			pr_err("%s:E: read ADC failed(i=%d,port=%d)\n",
					__func__, i, adc_port);
			if (++i > 10)
				goto __end__;
		}
	} while (1);
*/
	data1 = readl(base_addr+S3C_ADCDAT0);
	do
	{
		udelay(10);
		data0 = readl(base_addr+S3C_ADCCON);
	}
	while(!(data0 & S3C_ADCCON_ECFLG));
		
//		data1 = readl(base_addr+S3C_ADCDAT0);

	if (plat_data->resolution == 12)
	{
		adc_return = data1 & S3C_ADCDAT0_XPDATA_MASK_12BIT;
	} else {
		adc_return = data1 & S3C_ADCDAT0_XPDATA_MASK;
	}

//__end__:
	/* Standby Mode */
	writel(readl(base_addr+S3C_ADCCON) | S3C_ADCCON_STDBM,
			base_addr+S3C_ADCCON);

	return adc_return;
}