Replace tabs with spaces
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4163 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
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4e2ddf1d79
commit
57cabf27ce
@ -38,6 +38,10 @@
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*
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************************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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@ -74,8 +78,9 @@
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#endif
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/****************************************************************************
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* ad_private Types
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* Private Types
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****************************************************************************/
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struct up_dev_s
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{
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uint8_t mask;
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@ -86,7 +91,7 @@ struct up_dev_s
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};
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/****************************************************************************
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* ad_private Function Prototypes
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* Private Function Prototypes
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****************************************************************************/
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/* ADC methods */
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@ -99,7 +104,7 @@ static int adc_ioctl(FAR struct adc_dev_s *dev, int cmd, unsigned long arg);
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static int adc_interrupt(int irq, void *context);
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/****************************************************************************
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* ad_private Data
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* Private Data
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****************************************************************************/
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static const struct adc_ops_s g_adcops =
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@ -125,11 +130,13 @@ static struct adc_dev_s g_adcdev =
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};
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/****************************************************************************
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* ad_private Functions
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* Private Functions
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****************************************************************************/
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/* Reset the ADC device. Called early to initialize the hardware. This
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* is called, before ao_setup() and on error conditions.
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*/
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* is called, before ao_setup() and on error conditions.
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*/
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static void adc_reset(FAR struct adc_dev_s *dev)
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{
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irqstate_t flags;
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@ -138,67 +145,69 @@ static void adc_reset(FAR struct adc_dev_s *dev)
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flags = irqsave();
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regval = getreg32(LPC17_SYSCON_PCONP);
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regval |= SYSCON_PCONP_PCADC;
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putreg32(regval, LPC17_SYSCON_PCONP);
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regval = getreg32(LPC17_SYSCON_PCONP);
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regval |= SYSCON_PCONP_PCADC;
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putreg32(regval, LPC17_SYSCON_PCONP);
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putreg32(ADC_CR_PDN,LPC17_ADC_CR);
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putreg32(ADC_CR_PDN,LPC17_ADC_CR);
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regval = getreg32(LPC17_SYSCON_PCLKSEL0);
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regval &= ~SYSCON_PCLKSEL0_ADC_MASK;
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regval |= (SYSCON_PCLKSEL_CCLK8 << SYSCON_PCLKSEL0_ADC_SHIFT);
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putreg32(regval, LPC17_SYSCON_PCLKSEL0);
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regval = getreg32(LPC17_SYSCON_PCLKSEL0);
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regval &= ~SYSCON_PCLKSEL0_ADC_MASK;
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regval |= (SYSCON_PCLKSEL_CCLK8 << SYSCON_PCLKSEL0_ADC_SHIFT);
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putreg32(regval, LPC17_SYSCON_PCLKSEL0);
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uint32_t clkdiv=LPC17_CCLK/8/65/priv->sps;
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clkdiv<<=8;
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clkdiv&=0xff00;
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putreg32(ADC_CR_PDN|ADC_CR_BURST|clkdiv|priv->mask,LPC17_ADC_CR);
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uint32_t clkdiv=LPC17_CCLK/8/65/priv->sps;
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clkdiv<<=8;
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clkdiv&=0xff00;
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putreg32(ADC_CR_PDN|ADC_CR_BURST|clkdiv|priv->mask,LPC17_ADC_CR);
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if(priv->mask&0x01)
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lpc17_configgpio(GPIO_AD0p0);
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else if(priv->mask&0x02)
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lpc17_configgpio(GPIO_AD0p1);
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else if(priv->mask&0x04)
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lpc17_configgpio(GPIO_AD0p2);
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else if(priv->mask&0x08)
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lpc17_configgpio(GPIO_AD0p3);
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else if(priv->mask&0x10)
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lpc17_configgpio(GPIO_AD0p4);
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else if(priv->mask&0x20)
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lpc17_configgpio(GPIO_AD0p5);
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else if(priv->mask&0x40)
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lpc17_configgpio(GPIO_AD0p6);
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else if(priv->mask&0x80)
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lpc17_configgpio(GPIO_AD0p7);
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irqrestore(flags);
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if(priv->mask&0x01)
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lpc17_configgpio(GPIO_AD0p0);
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else if(priv->mask&0x02)
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lpc17_configgpio(GPIO_AD0p1);
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else if(priv->mask&0x04)
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lpc17_configgpio(GPIO_AD0p2);
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else if(priv->mask&0x08)
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lpc17_configgpio(GPIO_AD0p3);
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else if(priv->mask&0x10)
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lpc17_configgpio(GPIO_AD0p4);
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else if(priv->mask&0x20)
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lpc17_configgpio(GPIO_AD0p5);
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else if(priv->mask&0x40)
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lpc17_configgpio(GPIO_AD0p6);
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else if(priv->mask&0x80)
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lpc17_configgpio(GPIO_AD0p7);
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irqrestore(flags);
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}
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/* Configure the ADC. This method is called the first time that the ADC
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* device is opened. This will occur when the port is first opened.
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* This setup includes configuring and attaching ADC interrupts. Interrupts
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* are all disabled upon return.
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*/
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* device is opened. This will occur when the port is first opened.
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* This setup includes configuring and attaching ADC interrupts. Interrupts
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* are all disabled upon return.
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*/
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static int adc_setup(FAR struct adc_dev_s *dev)
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{
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int i;
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int i;
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FAR struct up_dev_s *priv = (FAR struct up_dev_s *)dev->ad_priv;
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int ret = irq_attach(priv->irq, adc_interrupt);
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if (ret == OK)
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{
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for(i=0;i<8;i++)
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{
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priv->buf[i]=0;
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priv->count[i]=0;
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}
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up_enable_irq(priv->irq);
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}
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for(i=0;i<8;i++)
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{
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priv->buf[i]=0;
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priv->count[i]=0;
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}
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up_enable_irq(priv->irq);
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}
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return ret;
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}
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/* Disable the ADC. This method is called when the ADC device is closed.
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* This method reverses the operation the setup method.
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*/
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* This method reverses the operation the setup method.
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*/
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static void adc_shutdown(FAR struct adc_dev_s *dev)
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{
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FAR struct up_dev_s *priv = (FAR struct up_dev_s *)dev->ad_priv;
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@ -207,16 +216,18 @@ static void adc_shutdown(FAR struct adc_dev_s *dev)
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}
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/* Call to enable or disable RX interrupts */
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static void adc_rxint(FAR struct adc_dev_s *dev, bool enable)
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{
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FAR struct up_dev_s *priv = (FAR struct up_dev_s *)dev->ad_priv;
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if (enable)
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putreg32(ADC_INTEN_GLOBAL,LPC17_ADC_INTEN);
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putreg32(ADC_INTEN_GLOBAL,LPC17_ADC_INTEN);
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else
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putreg32(0x00,LPC17_ADC_INTEN);
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putreg32(0x00,LPC17_ADC_INTEN);
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}
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/* All ioctl calls will be routed through this method */
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static int adc_ioctl(FAR struct adc_dev_s *dev, int cmd, unsigned long arg)
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{
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dbg("Fix me:Not Implemented\n");
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@ -228,19 +239,19 @@ static int adc_interrupt(int irq, void *context)
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uint32_t regval;
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FAR struct up_dev_s *priv = (FAR struct up_dev_s *)g_adcdev.ad_priv;
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unsigned char ch;
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int32_t value;
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regval=getreg32(LPC17_ADC_GDR);
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ch=(regval>>24)&0x07;
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int32_t value;
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regval=getreg32(LPC17_ADC_GDR);
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ch=(regval>>24)&0x07;
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priv->buf[ch]+=regval&0xfff0;
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priv->count[ch]++;
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if(priv->count[ch]>=CONFIG_ADC0_AVERAGE)
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{
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value=priv->buf[ch]/priv->count[ch];
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value<<=15;
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adc_receive(&g_adcdev,ch,value);
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priv->buf[ch]=0;
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priv->count[ch]=0;
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value=priv->buf[ch]/priv->count[ch];
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value<<=15;
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adc_receive(&g_adcdev,ch,value);
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priv->buf[ch]=0;
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priv->count[ch]=0;
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}
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return OK;
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}
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