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https://github.com/apache/nuttx.git
synced 2026-05-26 18:56:10 +08:00
SAMA5: Integrate touchscreen and ADC drivers into the build
This commit is contained in:
Gregory Nutt
File diff suppressed because it is too large
Load Diff
@@ -132,6 +132,14 @@ ifeq ($(CONFIG_SAMA5_UDPHS),y)
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CHIP_CSRCS += sam_udphs.c
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endif
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ifeq ($(CONFIG_USBHOST_TRACE),y)
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CHIP_CSRCS += sam_usbhost.c
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else
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ifeq ($(CONFIG_DEBUG_USB),y)
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CHIP_CSRCS += sam_usbhost.c
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endif
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endif
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ifeq ($(CONFIG_SAMA5_HSMCI0),y)
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CHIP_CSRCS += sam_hsmci.c
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else
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@@ -166,10 +174,10 @@ endif
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endif
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endif
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ifeq ($(CONFIG_USBHOST_TRACE),y)
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CHIP_CSRCS += sam_usbhost.c
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ifeq ($(CONFIG_SAMA5_ADC),y)
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CHIP_CSRCS += sam_adc.c
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else
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ifeq ($(CONFIG_DEBUG_USB),y)
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CHIP_CSRCS += sam_usbhost.c
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ifeq ($(CONFIG_SAMA5_TSD),y)
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CHIP_CSRCS += sam_tsd.c
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endif
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endif
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+150
-112
@@ -70,6 +70,7 @@
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#include "chip/sam_adc.h"
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#include "chip/sam_pmc.h"
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#include "sam_dmac.h"
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#include "sam_tsd.h"
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#include "sam_adc.h"
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#if defined(CONFIG_SAMA5_ADC)
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@@ -209,9 +210,9 @@
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/* If we are supporting the analog chang feature, then sure that there
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* is a gain setting for each enabled channel.
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*
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* Valid gain settings are {1, 2, 3, 4} which may be interpreted as
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* Valid gain settings are {0, 1, 2, 3} which may be interpreted as
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* either {1, 1, 2, 4} if the DIFFx bit in COR register is zero or as
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* {0.5, 1, 2, 2} if the DIFFx bit is zet.
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* {0.5, 1, 2, 2} if the DIFFx bit is set.
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*/
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#ifdef CONFIG_SAMA5_ADC_ANARCH
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@@ -283,7 +284,7 @@
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* available if the touch screen is enabled
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*/
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#ifdef CONFIG_SAMA5_TOUCHSCREEN
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#ifdef CONFIG_SAMA5_TSD
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# ifdef CONFIG_SAMA5_TSD_5WIRE
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# SAMA5_ADC_CHALL (ADC_CHALL & ~TSD_5WIRE_ALL)
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# else
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@@ -362,18 +363,20 @@
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struct sam_adc_s
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{
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sem_t exclsem; /* Supports exclusive access to the ADC interface */
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sem_t exclsem; /* Supports exclusive access to the ADC interface */
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bool initialized; /* The ADC driver is already initialized */
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#ifdef SAMA5_ADC_HAVE_CHANNELS
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#ifdef CONFIG_SAMA5_ADC_DMA
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volatile bool odd; /* Odd buffer is in use */
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volatile bool ready; /* Worker has completed the last set of samples */
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volatile bool odd; /* Odd buffer is in use */
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volatile bool ready; /* Worker has completed the last set of samples */
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volatile bool enabled; /* DMA data transfer is enabled */
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#endif
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struct adc_dev_s dev; /* The external via of the ADC device */
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uint32_t pending; /* Pending EOC events */
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struct work_s work; /* Supports the interrupt handling "bottom half" */
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struct adc_dev_s dev; /* The external via of the ADC device */
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uint32_t pending; /* Pending EOC events */
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struct work_s work; /* Supports the interrupt handling "bottom half" */
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#ifdef CONFIG_SAMA5_ADC_DMA
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DMA_HANDLE dma; /* Handle for DMA channel */
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DMA_HANDLE dma; /* Handle for DMA channel */
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#endif
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/* DMA sample data buffer */
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@@ -387,10 +390,10 @@ struct sam_adc_s
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/* Debug stuff */
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#ifdef CONFIG_SAMA5_ADC_REGDEBUG
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bool wrlast; /* Last was a write */
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uintptr_t addrlast; /* Last address */
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uint32_t vallast; /* Last value */
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int ntimes; /* Number of times */
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bool wrlast; /* Last was a write */
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uintptr_t addrlast; /* Last address */
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uint32_t vallast; /* Last value */
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int ntimes; /* Number of times */
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#endif
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};
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@@ -576,30 +579,35 @@ static void sam_adc_dmadone(void *arg)
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ASSERT(priv != NULL && !priv->ready);
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/* Select the completed DMA buffer */
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/* If the DMA is disabled, just ignore the data */
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buffer = priv->odd ? priv->evenbuf : priv->oddbuf;
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if (!priv->enabled)
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{
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/* Select the completed DMA buffer */
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/* Invalidate the DMA buffer so that we are guaranteed to reload the
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* newly DMAed data from RAM.
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*/
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buffer = priv->odd ? priv->evenbuf : priv->oddbuf;
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cp15_invalidate_dcache((uintptr_t)buffer,
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(uintptr_t)buffer + SAMA5_NCHANNELS * sizeof(uint32_t));
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/* Invalidate the DMA buffer so that we are guaranteed to reload the
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* newly DMAed data from RAM.
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*/
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/* Process each sample */
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cp15_invalidate_dcache((uintptr_t)buffer,
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(uintptr_t)buffer + SAMA5_NCHANNELS * sizeof(uint32_t));
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for (i = 0; i < SAMA5_NCHANNELS; i++, buffer++)
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{
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/* Get the sample and the channel number */
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/* Process each sample */
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chan = (int)((*buffer & ADC_LCDR_CHANB_MASK) >> ADC_LCDR_CHANB_SHIFT);
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sample = (uint16_t)((*buffer & ADC_LCDR_DATA_MASK) >> ADC_LCDR_DATA_SHIFT);
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for (i = 0; i < SAMA5_NCHANNELS; i++, buffer++)
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{
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/* Get the sample and the channel number */
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/* And give the sample data to the ADC upper half */
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chan = (int)((*buffer & ADC_LCDR_CHANB_MASK) >> ADC_LCDR_CHANB_SHIFT);
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sample = (uint16_t)((*buffer & ADC_LCDR_DATA_MASK) >> ADC_LCDR_DATA_SHIFT);
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(void)adc_receive(&priv->dev, chan, sample);
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}
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/* And give the sample data to the ADC upper half */
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(void)adc_receive(&priv->dev, chan, sample);
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}
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}
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/* We are ready to handle the next sample sequence */
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@@ -624,7 +632,7 @@ static void sam_adc_dmacallback(DMA_HANDLE handle, void *arg, int result)
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/* Check of the bottom half is keeping up with us */
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if (priv->ready)
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if (priv->ready && priv->enabled)
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{
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/* Toggle to the next buffer. Note that the toggle only occurs if
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* the bottom half is ready to accept more data. Otherwise, we
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@@ -640,7 +648,7 @@ static void sam_adc_dmacallback(DMA_HANDLE handle, void *arg, int result)
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ret = work_queue(HPWORK, &priv->work, sam_adc_dmadone, priv, 0);
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if (ret != 0)
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{
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illdbg("ERROR: Failed to queue work: %d\n", ret);
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alldbg("ERROR: Failed to queue work: %d\n", ret);
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}
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}
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@@ -692,16 +700,9 @@ static int sam_adc_dmasetup(FAR struct sam_adc_s *priv, FAR uint8_t *buffer,
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sam_dmarxsetup(priv->dma, paddr, maddr, buflen);
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/* Enable DMA handshaking */
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#warning Missing logic
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/* Start the DMA */
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sam_dmastart(priv->dma, sam_adc_dmacallback, priv);
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/* Configure DMA-related interrupts */
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#warning Missing loic
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return OK;
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}
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#endif
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@@ -797,7 +798,7 @@ static int sam_adc_interrupt(int irq, void *context)
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/* Handle pending touchscreen interrupts */
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#ifdef CONFIG_SAMA5_TOUCHSCREEN
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#ifdef CONFIG_SAMA5_TSD
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if ((pending & ADC_TSD_INTS) != 0)
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{
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/* Let the touchscreen handle its interrupts */
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@@ -833,7 +834,7 @@ static int sam_adc_interrupt(int irq, void *context)
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ret = work_queue(HPWORK, &priv->work, sam_adc_endconversion, priv, 0);
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if (ret != 0)
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{
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illdbg("ERROR: Failed to queue work: %d\n", ret);
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alldbg("ERROR: Failed to queue work: %d\n", ret);
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}
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pending &= ~ADC_INT_EOCALL;
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@@ -867,6 +868,10 @@ static void sam_adc_reset(struct adc_dev_s *dev)
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* touchscreen configuration.
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*/
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/* Stop any DMA */
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dma_stop(priv->dma);
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/* Disable all EOC interrupts */
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sam_adc_putreg(priv, SAM_ADC_IDR, ADC_INT_EOCALL);
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@@ -886,8 +891,18 @@ static void sam_adc_reset(struct adc_dev_s *dev)
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sam_adc_putreg(priv, SAM_CGR_MR, 0);
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sam_adc_putreg(priv, SAM_COR_MR, 0);
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/* trigger mode, etc */
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#warning Missing logic
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#ifndef CONFIG_SAMA5_ADC_SWTRIG
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/* Select software trigger (i.e., basically no trigger) */
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regval = sam_adc_getreg(priv->dev, SAM_ADC_MR);
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regval &= ~ADC_MR_TRGSEL_MASK;
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sam_adc_putreg(priv->dev, SAM_ADC_MR, regval);
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regval = sam_adc_getreg(priv, SAM_ADC_TRGR);
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regval &= ~ADC_TRGR_TRGMOD_MASK;
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regval |= ADC_TRGR_TRGMOD_NO_TRIGGER;
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sam_adc_putreg(priv, SAM_ADC_TRGR, regval);
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#endif
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}
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/****************************************************************************
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@@ -943,7 +958,10 @@ static int sam_adc_setup(struct adc_dev_s *dev)
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#ifdef CONFIG_SAMA5_ADC_DMA
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/* Configure for DMA transfer */
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priv->odd = false;
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priv->odd = false;
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priv->ready = true;
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priv->enabled = false;
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sam_adc_dmasetup(priv->dma, (void *)priv->evenbuf, SAMA5_NCHANNELS);
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#else
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/* Enable end-of-conversion interrupts for all enabled channels. */
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@@ -994,6 +1012,12 @@ static void sam_adc_rxint(struct adc_dev_s *dev, bool enable)
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{
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struct sam_adc_s *priv = (struct sam_adc_s *)dev->ad_priv;
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#ifdef CONFIG_SAMA5_ADC_DMA
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/* We don't stop the DMA when RX is disabled, we just stop the data transfer */
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priv->enabled = enable;
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#else
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/* Are we enabling or disabling? */
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if (enable)
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@@ -1008,6 +1032,7 @@ static void sam_adc_rxint(struct adc_dev_s *dev, bool enable)
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sam_adc_putreg32(priv, SAM_ADC_IDR, ADC_INT_EOCALL);
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}
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#endif
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}
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/****************************************************************************
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@@ -1103,7 +1128,7 @@ static void sam_adc_trigger(struct sam_adc_s *priv)
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regval |= ADC_MR_TRGSEL_TIOA0; /* Timer/counter 0 channel 0 output A */
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#elif defined(CONFIG_SAMA5_ADC_TIOA1TRIG)
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regval |= ADC_MR_TRGSEL_TIOA1; /* Timer/counter 0 channel 1 output A */
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#elif defined(CONFIG_SAMA5_ADC_TIOA0TRIG)
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#elif defined(CONFIG_SAMA5_ADC_TIOA2TRIG)
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regval |= ADC_MR_TRGSEL_TIOA2; /* Timer/counter 0 channel 2 output A */
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#else
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# error Timer/counter for trigger not defined
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@@ -1173,7 +1198,7 @@ static void sam_adc_offset(struct sam_adc_s *priv)
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uint32_t regval = 0;
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#ifdef CONFIG_SAMA5_ADC_ANARCH
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/* Set the offset for each enabled channel. This xenters the analog signal
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/* Set the offset for each enabled channel. This centers the analog signal
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* on Vrefin/2 before the gain scaling. The Offset applied is: (G-1)Vrefin/2
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* where G is the gain applied. The default is no offset.
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*/
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@@ -1257,7 +1282,7 @@ static void sam_adc_offset(struct sam_adc_s *priv)
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#endif
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#else
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/* Set offset and differentila mode only on channel 0. This will be
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/* Set offset and differential mode only on channel 0. This will be
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* used for all channel.
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*/
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@@ -1588,124 +1613,137 @@ static void sam_adc_channels(truct sam_adc_s *priv)
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struct adc_dev_s *sam_adc_initialize(void)
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{
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/* Disable ADC peripheral clock */
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struct sam_adc_s *priv = &g_adcpriv;
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sam_adc_disableclk();
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/* Have we already been initialzed? If yes, than just hand out the
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* interface one more time.
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*/
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/* Configure ADC pins */
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if (!priv->initialized)
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{
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/* Disable ADC peripheral clock */
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sam_adc_disableclk();
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/* Configure ADC pins */
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#ifdef CONFIG_SAMA5_ADC_CHAN0
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sam_configpio(PIO_ADC_AD0);
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sam_configpio(PIO_ADC_AD0);
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#endif
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#ifdef CONFIG_SAMA5_ADC_CHAN1
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sam_configpio(PIO_ADC_AD1);
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sam_configpio(PIO_ADC_AD1);
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#endif
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#ifdef CONFIG_SAMA5_ADC_CHAN2
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sam_configpio(PIO_ADC_AD2);
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sam_configpio(PIO_ADC_AD2);
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#endif
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#ifdef CONFIG_SAMA5_ADC_CHAN3
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sam_configpio(PIO_ADC_AD3);
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sam_configpio(PIO_ADC_AD3);
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#endif
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#ifdef CONFIG_SAMA5_ADC_CHAN4
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sam_configpio(PIO_ADC_AD4);
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sam_configpio(PIO_ADC_AD4);
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#endif
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#ifdef CONFIG_SAMA5_ADC_CHAN5
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sam_configpio(PIO_ADC_AD5);
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sam_configpio(PIO_ADC_AD5);
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#endif
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#ifdef CONFIG_SAMA5_ADC_CHAN6
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sam_configpio(PIO_ADC_AD6);
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sam_configpio(PIO_ADC_AD6);
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#endif
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#ifdef CONFIG_SAMA5_ADC_CHAN7
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sam_configpio(PIO_ADC_AD7);
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sam_configpio(PIO_ADC_AD7);
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#endif
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#ifdef CONFIG_SAMA5_ADC_CHAN8
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sam_configpio(PIO_ADC_AD8);
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sam_configpio(PIO_ADC_AD8);
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#endif
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#ifdef CONFIG_SAMA5_ADC_CHAN9
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sam_configpio(PIO_ADC_AD9);
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sam_configpio(PIO_ADC_AD9);
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#endif
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#ifdef CONFIG_SAMA5_ADC_CHAN10
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sam_configpio(PIO_ADC_AD10);
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sam_configpio(PIO_ADC_AD10);
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#endif
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#ifdef CONFIG_SAMA5_ADC_CHAN11
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sam_configpio(PIO_ADC_AD11);
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sam_configpio(PIO_ADC_AD11);
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#endif
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#ifdef CONFIG_SAMA5_ADC_ADTRG
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sam_configpio(PIO_ADC_TRG);
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sam_configpio(PIO_ADC_TRG);
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#endif
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/* Initialize the ADC device data structure */
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/* Initialize the ADC device data structure */
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sem_init(&priv->exclsem, 0, 1);
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sem_init(&priv->exclsem, 0, 1);
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#ifdef CONFIG_SAMA5_ADC_DMA
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/* Allocate a DMA channel */
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/* Allocate a DMA channel */
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priv->dma = sam_dmachannel(dmac, DMA_FLAGS);
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DEBUGASSERT(priv->dma);
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priv->dma = sam_dmachannel(dmac, DMA_FLAGS);
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DEBUGASSERT(priv->dma);
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#endif
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/* Set the maximum ADC peripheral clock frequency */
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/* Set the maximum ADC peripheral clock frequency */
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regval = PMC_PCR_PID(SAM_PID_ADC) | PMC_PCR_CMD | ADC_PCR_DIV | PMC_PCR_EN;
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sam_adc_putreg(priv, SAM_PMC_PCR, regval);
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regval = PMC_PCR_PID(SAM_PID_ADC) | PMC_PCR_CMD | ADC_PCR_DIV | PMC_PCR_EN;
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sam_adc_putreg(priv, SAM_PMC_PCR, regval);
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/* Enable the ADC peripheral clock*/
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/* Enable the ADC peripheral clock*/
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sam_adc_enableclk();
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sam_adc_enableclk();
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/* Reset the ADC controller */
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/* Reset the ADC controller */
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sam_adc_putreg(priv, SAM_ADC_CR, ADC_CR_SWRST);
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sam_adc_putreg(priv, SAM_ADC_CR, ADC_CR_SWRST);
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/* Reset Mode Register */
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/* Reset Mode Register */
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sam_adc_putreg(priv, SAM_ADC_MR, 0);
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sam_adc_putreg(priv, SAM_ADC_MR, 0);
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/* Set the MCK clock prescaler: ADCClock = MCK / ((PRESCAL+1)*2) */
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/* Set the MCK clock prescaler: ADCClock = MCK / ((PRESCAL+1)*2) */
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regval = sam_adc_getreg(priv, SAM_ADC_MR);
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regval &= ~ADC_MR_PRESCAL_MASK;
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regval |= ADC_MR_PRESCAL(BOARD_ADC_PRESCAL);
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sam_adc_putreg(priv, SAM_ADC_MR, regval);
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regval = sam_adc_getreg(priv, SAM_ADC_MR);
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regval &= ~ADC_MR_PRESCAL_MASK;
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regval |= ADC_MR_PRESCAL(BOARD_ADC_PRESCAL);
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sam_adc_putreg(priv, SAM_ADC_MR, regval);
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/* Formula:
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* Startup Time = startup value / ADCClock
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* Transfer Time = (TRANSFER * 2 + 3) / ADCClock
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* Tracking Time = (TRACKTIM + 1) / ADCClock
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* Settling Time = settling value / ADCClock
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* For example, ADC clock = 6MHz (166.7 ns)
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* Startup time = 512 / 6MHz = 85.3 us
|
||||
* Transfer Time = (1 * 2 + 3) / 6MHz = 833.3 ns
|
||||
* Tracking Time = (0 + 1) / 6MHz = 166.7 ns
|
||||
* Settling Time = 3 / 6MHz = 500 ns
|
||||
*/
|
||||
/* Formula:
|
||||
* Startup Time = startup value / ADCClock
|
||||
* Transfer Time = (TRANSFER * 2 + 3) / ADCClock
|
||||
* Tracking Time = (TRACKTIM + 1) / ADCClock
|
||||
* Settling Time = settling value / ADCClock
|
||||
* For example, ADC clock = 6MHz (166.7 ns)
|
||||
* Startup time = 512 / 6MHz = 85.3 us
|
||||
* Transfer Time = (1 * 2 + 3) / 6MHz = 833.3 ns
|
||||
* Tracking Time = (0 + 1) / 6MHz = 166.7 ns
|
||||
* Settling Time = 3 / 6MHz = 500 ns
|
||||
*/
|
||||
|
||||
/* Set ADC timing */
|
||||
/* Set ADC timing */
|
||||
|
||||
regval = sam_adc_getreg(priv, SAM_ADC_MR);
|
||||
regval &= ~(ADC_MR_STARTUP_MASK | ADC_MR_TRACKTIM_MASK | ADC_MR_SETTLING_MASK);
|
||||
regval |= ADC_MR_STARTUP_SUT512 | ADC_MR_TRACKTIM(0) | ADC_MR_SETTLING_AST17;
|
||||
sam_adc_puttreg(priv, SAM_ADC_MR, regval);
|
||||
regval = sam_adc_getreg(priv, SAM_ADC_MR);
|
||||
regval &= ~(ADC_MR_STARTUP_MASK | ADC_MR_TRACKTIM_MASK | ADC_MR_SETTLING_MASK);
|
||||
regval |= ADC_MR_STARTUP_SUT512 | ADC_MR_TRACKTIM(0) | ADC_MR_SETTLING_AST17;
|
||||
sam_adc_puttreg(priv, SAM_ADC_MR, regval);
|
||||
|
||||
/* Attach the ADC interrupt */
|
||||
/* Attach the ADC interrupt */
|
||||
|
||||
ret = irq_attach(SAM_IRQ_ADC, sam_adc_interrupt);
|
||||
if (ret < 0)
|
||||
{
|
||||
adbg("ERROR: Failed to attach IRQ %d: %d\n", SAM_IRQ_ADC, ret);
|
||||
return ret;
|
||||
ret = irq_attach(SAM_IRQ_ADC, sam_adc_interrupt);
|
||||
if (ret < 0)
|
||||
{
|
||||
adbg("ERROR: Failed to attach IRQ %d: %d\n", SAM_IRQ_ADC, ret);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Disable all ADC interrupts at the source */
|
||||
|
||||
sam_adc_putreg(priv, SAM_ADC_IDR, ADC_INT_ALL);
|
||||
|
||||
/* Enable the ADC interrupt at the AIC */
|
||||
|
||||
up_enable_irq(SAM_IRQ_ADC);
|
||||
|
||||
/* Now we are initialized */
|
||||
|
||||
priv->intialized = true;
|
||||
}
|
||||
|
||||
/* Disable all ADC interrupts at the source */
|
||||
|
||||
sam_adc_putreg(priv, SAM_ADC_IDR, ADC_INT_ALL);
|
||||
|
||||
/* Enable the ADC interrupt at the AIC */
|
||||
|
||||
up_enable_irq(SAM_IRQ_ADC);
|
||||
|
||||
/* Return a pointer to the device structure */
|
||||
|
||||
return &g_adcdev;
|
||||
|
||||
@@ -62,12 +62,12 @@
|
||||
* support is enabled.
|
||||
*/
|
||||
|
||||
#ifdef CONFIG_SAMA5_TOUCHSCREEN
|
||||
#ifdef CONFIG_SAMA5_TSD
|
||||
# undef CONFIG_SAMA5_ADC_CHAN0
|
||||
# undef CONFIG_SAMA5_ADC_CHAN1
|
||||
# undef CONFIG_SAMA5_ADC_CHAN2
|
||||
# undef CONFIG_SAMA5_ADC_CHAN3
|
||||
# ifdef CONFIG_SAMA5_TOUCHSCREEN_5WIRE
|
||||
# ifdef CONFIG_SAMA5_TSD_5WIRE
|
||||
# undef CONFIG_SAMA5_ADC_CHAN4
|
||||
# endif
|
||||
#endif
|
||||
@@ -84,7 +84,7 @@
|
||||
defined(CONFIG_SAMA5_ADC_CHAN8) || defined(CONFIG_SAMA5_ADC_CHAN9) || \
|
||||
defined(CONFIG_SAMA5_ADC_CHAN10) || defined(CONFIG_SAMA5_ADC_CHAN11)
|
||||
# define SAMA5_ADC_HAVE_CHANNELS 1
|
||||
#elif !defined(CONFIG_SAMA5_TOUCHSCREEN)
|
||||
#elif !defined(CONFIG_SAMA5_TSD)
|
||||
# error "No ADC channels nor touchscreen"
|
||||
#endif
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/sama5/sam_touchsreen.c
|
||||
* arch/arm/src/sama5/sam_tsd.c
|
||||
*
|
||||
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
|
||||
* Authors: Gregory Nutt <gnutt@nuttx.org>
|
||||
@@ -65,9 +65,9 @@
|
||||
|
||||
#include <nuttx/input/touchscreen.h>
|
||||
|
||||
#include "sam_touchscreen.h"
|
||||
#include "sam_tsd.h"
|
||||
|
||||
#if defined(CONFIG_SAMA5_ADC) && defined(CONFIG_SAMA5_TOUCHSCREEN)
|
||||
#if defined(CONFIG_SAMA5_ADC) && defined(CONFIG_SAMA5_TSD)
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
@@ -929,7 +929,7 @@ static int sam_tsd_close(struct file *filep)
|
||||
FAR struct watchdog_upperhalf_s *priv = inode->i_private;
|
||||
int ret;
|
||||
|
||||
wdvdbg("crefs: %d\n", priv->crefs);
|
||||
ivdbg("crefs: %d\n", priv->crefs);
|
||||
|
||||
/* Get exclusive access to the device structures */
|
||||
|
||||
@@ -1780,4 +1780,4 @@ void sam_tsd_interrupt(uint32_t pending)
|
||||
return ret;
|
||||
}
|
||||
|
||||
#endif /* CONFIG_SAMA5_ADC && CONFIG_SAMA5_TOUCHSCREEN */
|
||||
#endif /* CONFIG_SAMA5_ADC && CONFIG_SAMA5_TSD */
|
||||
@@ -1,5 +1,5 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/sama5/sam_adc.h
|
||||
* arch/arm/src/sama5/sam_tsd.h
|
||||
*
|
||||
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
@@ -33,8 +33,8 @@
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_SAMA5_SAM_ADC_H
|
||||
#define __ARCH_ARM_SRC_SAMA5_SAM_ADC_H
|
||||
#ifndef __ARCH_ARM_SRC_SAMA5_SAM_TSD_H
|
||||
#define __ARCH_ARM_SRC_SAMA5_SAM_TSD_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
@@ -43,7 +43,7 @@
|
||||
#include <nuttx/config.h>
|
||||
#include "chip/sam_adc.h"
|
||||
|
||||
#if defined(CONFIG_SAMA5_ADC) && defined(CONFIG_SAMA5_TOUCHSCREEN)
|
||||
#if defined(CONFIG_SAMA5_ADC) && defined(CONFIG_SAMA5_TSD)
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
@@ -119,5 +119,5 @@ void sam_tsd_interrupt(uint32_t pending);
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* CONFIG_SAMA5_ADC && CONFIG_SAMA5_TOUCHSCREEN */
|
||||
#endif /* __ARCH_ARM_SRC_SAMA5_SAM_ADC_H */
|
||||
#endif /* CONFIG_SAMA5_ADC && CONFIG_SAMA5_TSD */
|
||||
#endif /* __ARCH_ARM_SRC_SAMA5_SAM_TSD_H */
|
||||
@@ -42,6 +42,14 @@ config SAMA5_NOR_START
|
||||
option: If SAMA5_NOR_START is defined, then it will not wait but
|
||||
will, instead, immediately start the program in NOR FLASH.
|
||||
|
||||
config SAMA5_TSD_DEVMINOR
|
||||
int "Touchscreen device minor"
|
||||
default 0
|
||||
depends on SAMA5_TSD
|
||||
---help---
|
||||
This touchscreen will be register as /dev/inputN where the value of
|
||||
N is provided by this configuration setting.
|
||||
|
||||
config SAMA5_AT25_AUTOMOUNT
|
||||
bool "AT25 serial FLASH auto-mount"
|
||||
default n
|
||||
|
||||
@@ -1836,7 +1836,7 @@ Configurations
|
||||
nsh> cat /mnt/at24/atest.txt
|
||||
This is a test
|
||||
|
||||
13. I2C Tool. NuttX supports an I2C tool at apps/system/i2c that can be
|
||||
14. I2C Tool. NuttX supports an I2C tool at apps/system/i2c that can be
|
||||
used to peek and poke I2C devices. That tool cal be enabled by
|
||||
setting the following:
|
||||
|
||||
@@ -1910,7 +1910,7 @@ Configurations
|
||||
Address 0x1a is the WM8904. Address 0x39 is the SIL9022A. I am
|
||||
not sure what is at address 0x3d and 0x60
|
||||
|
||||
14. Networking support via the can be added to NSH be selecting the
|
||||
15. Networking support via the can be added to NSH be selecting the
|
||||
following configuration options. The SAMA5D3x supports two different
|
||||
Ethernet MAC peripherals: (1) The 10/100Base-T EMAC peripheral and
|
||||
and (2) the 10/100/1000Base-T GMAC peripheral. Only the SAMA5D31
|
||||
@@ -2083,7 +2083,38 @@ Configurations
|
||||
This delay will be especially long if the board is not connected to
|
||||
a network.
|
||||
|
||||
16. You can enable the touchscreen by modifying the configuration
|
||||
in the following ways:
|
||||
|
||||
System Type:
|
||||
CONFIG_SAMA5_ADC=y : ADC support is required
|
||||
CONFIG_SAMA5_TSD=y : Enabled touchcreen device support
|
||||
SAMA5_TSD_4WIRE=y : 4-Wire interface with pressure
|
||||
|
||||
You might want to tinker with the SWAPXY and THRESHX and THRESHY
|
||||
settings to get the result that you want.
|
||||
|
||||
Drivers:
|
||||
CONFIG_INPUT=y : (automatically selected)
|
||||
|
||||
Board Selection:
|
||||
CONFIG_SAMA5_TSD_DEVMINOR=0 : Register as /dev/input0
|
||||
|
||||
Library Support:
|
||||
CONFIG_SCHED_WORKQUEUE=y : Work queue support required
|
||||
|
||||
These options may also be applied to enable a built-in touchscreen
|
||||
test application:
|
||||
|
||||
Applicaton Configuration:
|
||||
CONFIG_EXAMPLES_TOUCHSCREEN=y : Enable the touchscreen built-int test
|
||||
CONFIG_EXAMPLES_TOUCHSCREEN_MINOR=0 : To match the board selection
|
||||
CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH="/dev/input0"
|
||||
|
||||
Defaults should be okay for all related settings.
|
||||
|
||||
STATUS:
|
||||
|
||||
PCK FREQUENCY
|
||||
2013-7-19: This configuration (as do the others) run at 396MHz.
|
||||
The SAMA5D3 can run at 536MHz. I still need to figure out the
|
||||
|
||||
@@ -43,6 +43,7 @@ CONFIG_RAW_BINARY=y
|
||||
# Debug Options
|
||||
#
|
||||
# CONFIG_DEBUG is not set
|
||||
CONFIG_ARCH_HAVE_STACKCHECK=y
|
||||
# CONFIG_DEBUG_SYMBOLS is not set
|
||||
|
||||
#
|
||||
@@ -503,7 +504,6 @@ CONFIG_BUILTIN_PROXY_STACKSIZE=1024
|
||||
#
|
||||
# CONFIG_EXAMPLES_BUTTONS is not set
|
||||
# CONFIG_EXAMPLES_CAN is not set
|
||||
# CONFIG_SYSTEM_COMPOSITE is not set
|
||||
# CONFIG_EXAMPLES_CXXTEST is not set
|
||||
# CONFIG_EXAMPLES_DHCPD is not set
|
||||
# CONFIG_EXAMPLES_ELF is not set
|
||||
@@ -551,7 +551,6 @@ CONFIG_EXAMPLES_NSH_CXXINITIALIZE=y
|
||||
# CONFIG_EXAMPLES_UDP is not set
|
||||
# CONFIG_EXAMPLES_UIP is not set
|
||||
# CONFIG_EXAMPLES_USBSERIAL is not set
|
||||
# CONFIG_SYSTEM_USBMSC is not set
|
||||
# CONFIG_EXAMPLES_USBTERM is not set
|
||||
# CONFIG_EXAMPLES_WATCHDOG is not set
|
||||
|
||||
@@ -669,6 +668,14 @@ CONFIG_NSH_CONSOLE=y
|
||||
# System NSH Add-Ons
|
||||
#
|
||||
|
||||
#
|
||||
# USB CDC/ACM Device Commands
|
||||
#
|
||||
|
||||
#
|
||||
# USB Composite Device Commands
|
||||
#
|
||||
|
||||
#
|
||||
# Custom Free Memory Command
|
||||
#
|
||||
@@ -722,6 +729,14 @@ CONFIG_READLINE_ECHO=y
|
||||
# USB Monitor
|
||||
#
|
||||
|
||||
#
|
||||
# Stack Monitor
|
||||
#
|
||||
|
||||
#
|
||||
# USB Mass Storage Device Commands
|
||||
#
|
||||
|
||||
#
|
||||
# Zmodem Commands
|
||||
#
|
||||
|
||||
@@ -114,6 +114,10 @@ ifeq ($(CONFIG_ARCH_FPU),y)
|
||||
CSRCS += sam_ostest.c
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_SAMA5_TSD),y)
|
||||
CSRCS += sam_touchscreen.c
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_ARCH_LEDS),y)
|
||||
CSRCS += sam_autoleds.c
|
||||
else
|
||||
|
||||
@@ -0,0 +1,163 @@
|
||||
/************************************************************************************
|
||||
* configs/sama5d3-ek/src/sam_touchscreen.c
|
||||
*
|
||||
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
************************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <debug.h>
|
||||
|
||||
#include "sam_adc.h"
|
||||
#include "sam_tsd.h"
|
||||
#include "sama5d3x-ek.h"
|
||||
|
||||
#ifdef CONFIG_SAMA5_TSD
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-Processor Definitions
|
||||
****************************************************************************/
|
||||
/* Configuration ************************************************************/
|
||||
|
||||
#ifndef CONFIG_INPUT
|
||||
# error "Touchscreen support requires CONFIG_INPUT"
|
||||
#endif
|
||||
|
||||
#ifndef CONFIG_SAMA5_TSD_DEVMINOR
|
||||
# define CONFIG_SAMA5_TSD_DEVMINOR 0
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Private Types
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: arch_tcinitialize
|
||||
*
|
||||
* Description:
|
||||
* Each board that supports a touchscreen device must provide this
|
||||
* function. This function is called by application-specific, setup logic
|
||||
* to configure the touchscreen device. This function will register the
|
||||
* driver as /dev/inputN where N is the minor device number.
|
||||
*
|
||||
* Input Parameters:
|
||||
* minor - The input device minor number
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero is returned on success. Otherwise, a negated errno value is
|
||||
* returned to indicate the nature of the failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int arch_tcinitialize(int minor)
|
||||
{
|
||||
struct sam_adc_s *adc;
|
||||
static bool initialized = false;
|
||||
FAR struct spi_dev_s *dev;
|
||||
int ret;
|
||||
|
||||
idbg("initialized:%d minor:%d\n", initialized, minor);
|
||||
DEBUGASSERT(minor == 0);
|
||||
|
||||
/* Since there is no uninitialized logic, this initialization can be
|
||||
* performed only one time.
|
||||
*/
|
||||
|
||||
if (!initialized)
|
||||
{
|
||||
/* Initialize the ADC driver */
|
||||
|
||||
adc = sam_adcinitialize();
|
||||
if (!adc)
|
||||
{
|
||||
idbg("ERROR: Failed to initialize the ADC driver\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
/* Initialize and register the SPI touchscreen device */
|
||||
|
||||
ret = sam_tsd_register(adc, CONFIG_SAMA5_TSD_DEVMINOR);
|
||||
if (ret < 0)
|
||||
{
|
||||
idbg("ERROR: Failed to register touchscreen device /dev/input%d: %d\n",
|
||||
CONFIG_SAMA5_TSD_DEVMINOR, ret);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
initialized = true;
|
||||
}
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: arch_tcuninitialize
|
||||
*
|
||||
* Description:
|
||||
* Each board that supports a touchscreen device must provide this function.
|
||||
* This function is called by application-specific, setup logic to
|
||||
* uninitialize the touchscreen device.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void arch_tcuninitialize(void)
|
||||
{
|
||||
/* No support for un-initializing the touchscreen yet */
|
||||
}
|
||||
|
||||
#endif /* CONFIG_INPUT_ADS7843E */
|
||||
Reference in New Issue
Block a user