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Add STMPE11 touchscreen logic 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4703 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2012-05-06 16:00:16 +00:00
parent edf3b4667b
commit db2a671b19
9 changed files with 1171 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
nuttx/Documentation/NuttxPortingGuide.html
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@ -12,7 +12,7 @@
<h1><big><font color="#3c34ec"> <h1><big><font color="#3c34ec">
<i>NuttX RTOS Porting Guide</i> <i>NuttX RTOS Porting Guide</i>
</font></big></h1> </font></big></h1>
<p>Last Updated: April 13, 2011</p> <p>Last Updated: May 6, 2011</p>
</td> </td>
</tr> </tr>
</table> </table>
@ -4672,6 +4672,48 @@ build
there are multiple TSC2007 touchscreens, this setting will enable there are multiple TSC2007 touchscreens, this setting will enable
multiple touchscreens with the same driver. multiple touchscreens with the same driver.
</li> </li>
<li>
<code>CONFIG_INPUT_STMPE11</code>:
Enables support for the STMPE11 driver (Needs <code>CONFIG_INPUT</code>)
</li>
<li>
<code>CONFIG_STMPE11_SPI</code>:
Enables support for the SPI interface (not currenly supported)
</li>
<li>
<code>CONFIG_STMPE11_I2C</code>:
Enables support for the I2C interface
</li>
<li>
<code>CONFIG_STMPE11_MULTIPLE </code>:
Can be defined to support multiple STMPE11 devices on board.
</li>
<li>
<code>CONFIG_STMPE11_NPOLLWAITERS</code>:
Maximum number of threads that can be waiting on poll() (ignored if
<code>CONFIG_DISABLE_POLL</code> is set).
</li>
<li>
<code>CONFIG_STMPE11_TSC_DISABLE</code>:
Disable driver touchscreen functionality.
</li>
<li>
<code>CONFIG_STMPE11_ADC_DISABLE</code>:
Disable driver ADC functionality.
</li>
<li>
<code>CONFIG_STMPE11_GPIO_DISABLE</code>:
Disable driver GPIO functionlaity.
</li>
<li>
<code>CONFIG_STMPE11_GPIOINT_DISABLE</code>:
Disable driver GPIO interrupt functionlality (ignored if GPIO
functionality is disabled).
</li>
<li>
<code>CONFIG_STMPE11_TS_DISABLE</code>:
Disable driver temperature sensor functionlaity.
</li>
</ul> </ul>
<h3>Analog Devices</h3> <h3>Analog Devices</h3>

24
nuttx/configs/README.txt
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@ -775,6 +775,7 @@ defconfig -- This is a configuration file similar to the Linux
CONFIG_INPUT CONFIG_INPUT
Enables general support for input devices Enables general support for input devices
CONFIG_INPUT_TSC2007 CONFIG_INPUT_TSC2007
If CONFIG_INPUT is selected, then this setting will enable building If CONFIG_INPUT is selected, then this setting will enable building
of the TI TSC2007 touchscreen driver. of the TI TSC2007 touchscreen driver.
@ -783,6 +784,29 @@ defconfig -- This is a configuration file similar to the Linux
there are multiple TSC2007 touchscreens, this setting will enable there are multiple TSC2007 touchscreens, this setting will enable
multiple touchscreens with the same driver. multiple touchscreens with the same driver.
CONFIG_INPUT_STMPE11
Enables support for the STMPE11 driver (Needs CONFIG_INPUT)
CONFIG_STMPE11_SPI
Enables support for the SPI interface (not currenly supported)
CONFIG_STMPE11_I2C
Enables support for the I2C interface
CONFIG_STMPE11_MULTIPLE
Can be defined to support multiple STMPE11 devices on board.
CONFIG_STMPE11_NPOLLWAITERS
Maximum number of threads that can be waiting on poll() (ignored if
CONFIG_DISABLE_POLL is set).
CONFIG_STMPE11_TSC_DISABLE
Disable driver touchscreen functionality.
CONFIG_STMPE11_ADC_DISABLE
Disable driver ADC functionality.
CONFIG_STMPE11_GPIO_DISABLE
Disable driver GPIO functionlaity.
CONFIG_STMPE11_GPIOINT_DISABLE
Disable driver GPIO interrupt functionlality (ignored if GPIO
functionality is disabled).
CONFIG_STMPE11_TS_DISABLE
Disable driver temperature sensor functionlaity.
Analog Devices Analog Devices
CONFIG_DAC CONFIG_DAC

3
nuttx/drivers/input/Make.defs
View File

@ -49,6 +49,9 @@ endif
ifeq ($(CONFIG_INPUT_STMPE11),y) ifeq ($(CONFIG_INPUT_STMPE11),y)
CSRCS += stmpe11_base.c CSRCS += stmpe11_base.c
ifneq ($(CONFIG_INPUT_STMPE11_TSC_DISABLE),y)
CSRCS += stmpe11_tsc.c
endif
ifneq ($(CONFIG_INPUT_STMPE11_GPIO_DISABLE),y) ifneq ($(CONFIG_INPUT_STMPE11_GPIO_DISABLE),y)
CSRCS += stmpe11_gpio.c CSRCS += stmpe11_gpio.c
endif endif

8
nuttx/drivers/input/stmpe11.h
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@ -113,7 +113,7 @@ struct stmpe11_sample_s
uint8_t contact; /* Contact state (see enum stmpe11_contact_e) */ uint8_t contact; /* Contact state (see enum stmpe11_contact_e) */
uint16_t x; /* Measured X position */ uint16_t x; /* Measured X position */
uint16_t y; /* Measured Y position */ uint16_t y; /* Measured Y position */
uint16_t z; /* Measured Z position */ uint8_t z; /* Measured Z index */
}; };
/* This structure represents the state of the SMTPE11 driver */ /* This structure represents the state of the SMTPE11 driver */
@ -216,11 +216,11 @@ uint16_t stmpe11_getreg16(FAR struct stmpe11_dev_s *priv, uint8_t regaddr);
********************************************************************************************/ ********************************************************************************************/
#ifndef CONFIG_STMPE11_TSC_DISABLE #ifndef CONFIG_STMPE11_TSC_DISABLE
void stmpe11_tscint(FAR struct stmpe11_dev_s *priv) weak_function; void stmpe11_tscworker(FAR struct stmpe11_dev_s *priv) weak_function;
#endif #endif
/******************************************************************************************** /********************************************************************************************
* Name: stmpe11_gpioint * Name: stmpe11_gpioworker
* *
* Description: * Description:
* Handle GPIO interrupt events (this function actually executes in the context of the * Handle GPIO interrupt events (this function actually executes in the context of the
@ -229,7 +229,7 @@ void stmpe11_tscint(FAR struct stmpe11_dev_s *priv) weak_function;
********************************************************************************************/ ********************************************************************************************/
#if !defined(CONFIG_STMPE11_GPIO_DISABLE) && !defined(CONFIG_STMPE11_GPIOINT_DISABLE) #if !defined(CONFIG_STMPE11_GPIO_DISABLE) && !defined(CONFIG_STMPE11_GPIOINT_DISABLE)
void stmpe11_gpioint(FAR struct stmpe11_dev_s *priv) weak_function; void stmpe11_gpioworker(FAR struct stmpe11_dev_s *priv) weak_function;
#endif #endif
#endif /* CONFIG_INPUT && CONFIG_INPUT_STMPE11 */ #endif /* CONFIG_INPUT && CONFIG_INPUT_STMPE11 */

23
nuttx/drivers/input/stmpe11_adc.c
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@ -48,6 +48,7 @@
#include <errno.h> #include <errno.h>
#include <debug.h> #include <debug.h>
#include <nuttx/arch.h>
#include <nuttx/input/stmpe11.h> #include <nuttx/input/stmpe11.h>
#include "stmpe11.h" #include "stmpe11.h"
@ -71,15 +72,14 @@
****************************************************************************/ ****************************************************************************/
/**************************************************************************** /****************************************************************************
* Name: stmpe11_adctiming * Name: stmpe11_adcinitialize
* *
* Description: * Description:
* Configure overall ADC timing that applies to all pins. * Configure for ADC mode operation. Set overall ADC ADC timing that
* applies to all pins.
* *
* Input Parameters: * Input Parameters:
* handle - The handle previously returned by stmpe11_instantiate * handle - The handle previously returned by stmpe11_instantiate
* ctrl1 - The value of the ADC_CRTL1 register (see above).
* ctrl2 - The value of the ADC_CRTL2 register (see above).
* *
* Returned Value: * Returned Value:
* Zero is returned on success. Otherwise, a negated errno value is * Zero is returned on success. Otherwise, a negated errno value is
@ -87,7 +87,7 @@
* *
****************************************************************************/ ****************************************************************************/
int stmpe11_adctiming(STMPE11_HANDLE handle, uint8_t ctrl1, uint8_t ctrl2) int stmpe11_adcinitialize(STMPE11_HANDLE handle)
{ {
FAR struct stmpe11_dev_s *priv = (FAR struct stmpe11_dev_s *)handle; FAR struct stmpe11_dev_s *priv = (FAR struct stmpe11_dev_s *)handle;
uint8_t regval; uint8_t regval;
@ -111,10 +111,17 @@ int stmpe11_adctiming(STMPE11_HANDLE handle, uint8_t ctrl1, uint8_t ctrl2)
regval &= ~SYS_CTRL2_ADC_OFF; regval &= ~SYS_CTRL2_ADC_OFF;
stmpe11_putreg8(priv, STMPE11_SYS_CTRL2, regval); stmpe11_putreg8(priv, STMPE11_SYS_CTRL2, regval);
/* Configure the ADC properties */ /* Select Sample Time, bit number and ADC Reference */
stmpe11_putreg8(priv, STMPE11_ADC_CTRL1, ctrl1); stmpe11_putreg8(priv, STMPE11_ADC_CTRL1, priv->config->ctrl1);
stmpe11_putreg8(priv, STMPE11_ADC_CTRL2, ctrl2);
/* Wait for 20 ms */
up_mdelay(20);
/* Select the ADC clock speed */
stmpe11_putreg8(priv, STMPE11_ADC_CTRL2, priv->config->ctrl2);
/* Mark ADC initialized */ /* Mark ADC initialized */

12
nuttx/drivers/input/stmpe11_base.c
View File

@ -102,9 +102,11 @@ static void stmpe11_worker(FAR void *arg)
{ {
/* Dispatch the touchscreen interrupt if it was brought into the link */ /* Dispatch the touchscreen interrupt if it was brought into the link */
if (stmpe11_tscint) #ifdef CONFIG_HAVE_WEAKFUNCTIONS
if (stmpe11_tscworker)
#endif
{ {
stmpe11_tscint(priv); stmpe11_tscworker(priv);
} }
stmpe11_putreg8(priv, STMPE11_INT_STA, (INT_TOUCH_DET|INT_FIFO_TH|INT_FIFO_OFLOW)); stmpe11_putreg8(priv, STMPE11_INT_STA, (INT_TOUCH_DET|INT_FIFO_TH|INT_FIFO_OFLOW));
@ -117,9 +119,11 @@ static void stmpe11_worker(FAR void *arg)
{ {
/* Dispatch the GPIO interrupt if it was brought into the link */ /* Dispatch the GPIO interrupt if it was brought into the link */
if (stmpe11_gpioint) #ifdef CONFIG_HAVE_WEAKFUNCTIONS
if (stmpe11_gpioworker)
#endif
{ {
stmpe11_gpioint(priv); stmpe11_gpioworker(priv);
} }
stmpe11_putreg8(priv, STMPE11_INT_STA, INT_GPIO); stmpe11_putreg8(priv, STMPE11_INT_STA, INT_GPIO);

4
nuttx/drivers/input/stmpe11_gpio.c
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@ -397,7 +397,7 @@ int stmpe11_gpioattach(STMPE11_HANDLE handle, uint8_t pinconfig,
#endif #endif
/**************************************************************************** /****************************************************************************
* Name: stmpe11_gpioint * Name: stmpe11_gpioworker
* *
* Description: * Description:
* Handle GPIO interrupt events (this function actually executes in the * Handle GPIO interrupt events (this function actually executes in the
@ -406,7 +406,7 @@ int stmpe11_gpioattach(STMPE11_HANDLE handle, uint8_t pinconfig,
****************************************************************************/ ****************************************************************************/
#ifndef CONFIG_STMPE11_GPIOINT_DISABLE #ifndef CONFIG_STMPE11_GPIOINT_DISABLE
void stmpe11_gpioint(FAR struct stmpe11_dev_s *priv) void stmpe11_gpioworker(FAR struct stmpe11_dev_s *priv)
{ {
uint8_t regval; uint8_t regval;
uint8_t pinmask; uint8_t pinmask;

1001
nuttx/drivers/input/stmpe11_tsc.c Normal file
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File diff suppressed because it is too large Load Diff

108
nuttx/include/nuttx/input/stmpe11.h
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@ -57,8 +57,35 @@
* Pre-Processor Definitions * Pre-Processor Definitions
********************************************************************************************/ ********************************************************************************************/
/* Configuration ****************************************************************************/ /* Configuration ****************************************************************************/
/* The STMPE811 interfaces with the host CPU via a I2C or SPI interface. The pin IN_1 allows /* Prerequisites: CONFIG_INPUT=y
* the selection of interface protocol at reset state. * Other settings that effect the driver: CONFIG_DISABLE_POLL
*
* CONFIG_INPUT_STMPE11
* Enables support for the STMPE11 driver (Needs CONFIG_INPUT)
* CONFIG_STMPE11_SPI
* Enables support for the SPI interface (not currenly supported)
* CONFIG_STMPE11_I2C
* Enables support for the I2C interface
* CONFIG_STMPE11_MULTIPLE
* Can be defined to support multiple STMPE11 devices on board.
* CONFIG_STMPE11_NPOLLWAITERS
* Maximum number of threads that can be waiting on poll() (ignored if
* CONFIG_DISABLE_POLL is set).
* CONFIG_STMPE11_TSC_DISABLE
* Disable driver touchscreen functionality.
* CONFIG_STMPE11_ADC_DISABLE
* Disable driver ADC functionality.
* CONFIG_STMPE11_GPIO_DISABLE
* Disable driver GPIO functionlaity.
* CONFIG_STMPE11_GPIOINT_DISABLE
* Disable driver GPIO interrupt functionlality (ignored if GPIO functionality is
* disabled).
* CONFIG_STMPE11_TS_DISABLE
* Disable driver temperature sensor functionlaity.
*/
/* The STMPE811 interfaces with the target CPU via a I2C or SPI interface. The pin IN_1
* allows the selection of interface protocol at reset state.
*/ */
#if !defined(CONFIG_STMPE11_SPI) && !defined(CONFIG_STMPE11_I2C) #if !defined(CONFIG_STMPE11_SPI) && !defined(CONFIG_STMPE11_I2C)
@ -235,6 +262,7 @@
/* GPIO set/clear/sta/dir/edge/rising/falling/af registers */ /* GPIO set/clear/sta/dir/edge/rising/falling/af registers */
#define GPIO_PIN(n) (1 << (n)) #define GPIO_PIN(n) (1 << (n))
#define TSC_PIN_SET (0xf0) /* Pins 4-7: Used by touchscreen */
/* ADC control */ /* ADC control */
@ -286,32 +314,32 @@
/* Touchscreen controller configuration */ /* Touchscreen controller configuration */
#define TSWC_CFG_SETTLING_SHIFT (0) /* Bits 0-2: Panel driver settling time */ #define TSC_CFG_SETTLING_SHIFT (0) /* Bits 0-2: Panel driver settling time */
#define TSWC_CFG_SETTLING_MASK (7 << TSWC_CFG_SETTLING_SHIFT) #define TSC_CFG_SETTLING_MASK (7 << TSC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_10US (0 << TSWC_CFG_SETTLING_SHIFT) # define TSC_CFG_SETTLING_10US (0 << TSC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_100US (1 << TSWC_CFG_SETTLING_SHIFT) # define TSC_CFG_SETTLING_100US (1 << TSC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_500US (2 << TSWC_CFG_SETTLING_SHIFT) # define TSC_CFG_SETTLING_500US (2 << TSC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_1MS (3 << TSWC_CFG_SETTLING_SHIFT) # define TSC_CFG_SETTLING_1MS (3 << TSC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_5MS (4 << TSWC_CFG_SETTLING_SHIFT) # define TSC_CFG_SETTLING_5MS (4 << TSC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_10MS (5 << TSWC_CFG_SETTLING_SHIFT) # define TSC_CFG_SETTLING_10MS (5 << TSC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_50MS (6 << TSWC_CFG_SETTLING_SHIFT) # define TSC_CFG_SETTLING_50MS (6 << TSC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_100MS (7 << TSWC_CFG_SETTLING_SHIFT) # define TSC_CFG_SETTLING_100MS (7 << TSC_CFG_SETTLING_SHIFT)
#define TSWC_CFG_TOUCH_DELAY_SHIFT (1) /* Bits 3-5: Touch detect delay */ #define TSC_CFG_TOUCH_DELAY_SHIFT (1) /* Bits 3-5: Touch detect delay */
#define TSWC_CFG_TOUCH_DELAY_MASK (7 << TSWC_CFG_TOUCH_DELAY_SHIFT) #define TSC_CFG_TOUCH_DELAY_MASK (7 << TSC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_10US (0 << TSWC_CFG_TOUCH_DELAY_SHIFT) # define TSC_CFG_TOUCH_DELAY_10US (0 << TSC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_50US (1 << TSWC_CFG_TOUCH_DELAY_SHIFT) # define TSC_CFG_TOUCH_DELAY_50US (1 << TSC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_100US (1 << TSWC_CFG_TOUCH_DELAY_SHIFT) # define TSC_CFG_TOUCH_DELAY_100US (2 << TSC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_500US (2 << TSWC_CFG_TOUCH_DELAY_SHIFT) # define TSC_CFG_TOUCH_DELAY_500US (3 << TSC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_1MS (3 << TSWC_CFG_TOUCH_DELAY_SHIFT) # define TSC_CFG_TOUCH_DELAY_1MS (4 << TSC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_5MS (4 << TSWC_CFG_TOUCH_DELAY_SHIFT) # define TSC_CFG_TOUCH_DELAY_5MS (5 << TSC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_10MS (5 << TSWC_CFG_TOUCH_DELAY_SHIFT) # define TSC_CFG_TOUCH_DELAY_10MS (6 << TSC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_50MS (6 << TSWC_CFG_TOUCH_DELAY_SHIFT) # define TSC_CFG_TOUCH_DELAY_50MS (7 << TSC_CFG_TOUCH_DELAY_SHIFT)
#define TSWC_CFG_AVE_CTRL_SHIFT (6) /* Bits 6-7: Average control */ #define TSC_CFG_AVE_CTRL_SHIFT (6) /* Bits 6-7: Average control */
#define TSWC_CFG_AVE_CTRL_MASK (3 << TSWC_CFG_AVE_CTRL_SHIFT) #define TSC_CFG_AVE_CTRL_MASK (3 << TSC_CFG_AVE_CTRL_SHIFT)
# define TSWC_CFG_AVE_CTRL_1SAMPLE (0 << TSWC_CFG_AVE_CTRL_SHIFT) # define TSC_CFG_AVE_CTRL_1SAMPLE (0 << TSC_CFG_AVE_CTRL_SHIFT)
# define TSWC_CFG_AVE_CTRL_2SAMPLES (1 << TSWC_CFG_AVE_CTRL_SHIFT) # define TSC_CFG_AVE_CTRL_2SAMPLES (1 << TSC_CFG_AVE_CTRL_SHIFT)
# define TSWC_CFG_AVE_CTRL_4SAMPLES (2 << TSWC_CFG_AVE_CTRL_SHIFT) # define TSC_CFG_AVE_CTRL_4SAMPLES (2 << TSC_CFG_AVE_CTRL_SHIFT)
# define TSWC_CFG_AVE_CTRL_8SAMPLES (3 << TSWC_CFG_AVE_CTRL_SHIFT) # define TSC_CFG_AVE_CTRL_8SAMPLES (3 << TSC_CFG_AVE_CTRL_SHIFT)
/* Current status of FIFO */ /* Current status of FIFO */
@ -328,6 +356,8 @@
/* Touchscreen controller drive I */ /* Touchscreen controller drive I */
#define TSC_IDRIVE (1 << 0) /* Bit 0: MAX current on TSC driving channel */ #define TSC_IDRIVE (1 << 0) /* Bit 0: MAX current on TSC driving channel */
# define TSC_IDRIVE_20MA (0) /* 20mA typical, 35mA max */
# define TSC_IDRIVE_50MA (1 << 0) /* 50mA typical, 80mA max */
/* Touchscreen controller shield */ /* Touchscreen controller shield */
@ -427,6 +457,16 @@ struct stmpe11_config_s
int irq; /* IRQ number received by interrupt handler. */ int irq; /* IRQ number received by interrupt handler. */
#endif #endif
/* These are the timing valuses for ADC CTRL1 and CTRL2. These values
* are only used if either the TSC or the ADC are enabled. These values
* determine the characteristics of sampling.
*/
#if !defined(CONFIG_STMPE11_ADC_DISABLE) || !defined(CONFIG_STMPE11_TSC_DISABLE)
uint8_t ctrl1; /* Initialization value for ADC CTRL1 */
uint8_t ctrl2; /* Initialization value for ADC CTRL1 */
#endif
/* IRQ/GPIO access callbacks. These operations all hidden behind /* IRQ/GPIO access callbacks. These operations all hidden behind
* callbacks to isolate the STMPE11 driver from differences in GPIO * callbacks to isolate the STMPE11 driver from differences in GPIO
* interrupt handling by varying boards and MCUs. If possible, * interrupt handling by varying boards and MCUs. If possible,
@ -436,15 +476,11 @@ struct stmpe11_config_s
* attach - Attach the STMPE11 interrupt handler to the GPIO interrupt * attach - Attach the STMPE11 interrupt handler to the GPIO interrupt
* enable - Enable or disable the GPIO interrupt * enable - Enable or disable the GPIO interrupt
* clear - Acknowledge/clear any pending GPIO interrupt * clear - Acknowledge/clear any pending GPIO interrupt
* pendown - Return the state of the pen down GPIO input (TSC only)
*/ */
int (*attach)(FAR struct stmpe11_config_s *state, xcpt_t isr); int (*attach)(FAR struct stmpe11_config_s *state, xcpt_t isr);
void (*enable)(FAR struct stmpe11_config_s *state, bool enable); void (*enable)(FAR struct stmpe11_config_s *state, bool enable);
void (*clear)(FAR struct stmpe11_config_s *state); void (*clear)(FAR struct stmpe11_config_s *state);
#ifndef CONFIG_STMPE11_TSC_DISABLE
bool (*pendown)(FAR struct stmpe11_config_s *state);
#endif
}; };
/* Since the STMPE11 is a multi-function device, no functionality is assumed when the device /* Since the STMPE11 is a multi-function device, no functionality is assumed when the device
@ -600,15 +636,13 @@ EXTERN int stmpe11_gpioattach(STMPE11_HANDLE handle, uint8_t pinconfig,
#endif #endif
/******************************************************************************************** /********************************************************************************************
* Name: stmpe11_adctiming * Name: stmpe11_adcinitialize
* *
* Description: * Description:
* Configure overall ADC timing that applies to all pins. * Configure for ADC mode operation. Set overall ADC ADC timing that applies to all pins.
* *
* Input Parameters: * Input Parameters:
* handle - The handle previously returned by stmpe11_instantiate * handle - The handle previously returned by stmpe11_instantiate
* ctrl1 - The value of the ADC_CRTL1 register (see above).
* ctrl2 - The value of the ADC_CRTL2 register (see above).
* *
* Returned Value: * Returned Value:
* Zero is returned on success. Otherwise, a negated errno value is returned to indicate * Zero is returned on success. Otherwise, a negated errno value is returned to indicate
@ -617,7 +651,7 @@ EXTERN int stmpe11_gpioattach(STMPE11_HANDLE handle, uint8_t pinconfig,
********************************************************************************************/ ********************************************************************************************/
#ifndef CONFIG_STMPE11_ADC_DISABLE #ifndef CONFIG_STMPE11_ADC_DISABLE
EXTERN int stmpe11_adctiming(STMPE11_HANDLE handle, uint8_t ctrl1, uint8_t ctrl2); EXTERN int stmpe11_adcinitialize(STMPE11_HANDLE handle);
#endif #endif
/******************************************************************************************** /********************************************************************************************