mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-10-15 18:23:34 +08:00
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
@@ -57,8 +57,35 @@
|
||||
* Pre-Processor Definitions
|
||||
********************************************************************************************/
|
||||
/* Configuration ****************************************************************************/
|
||||
/* The STMPE811 interfaces with the host CPU via a I2C or SPI interface. The pin IN_1 allows
|
||||
* the selection of interface protocol at reset state.
|
||||
/* Prerequisites: CONFIG_INPUT=y
|
||||
* 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)
|
||||
@@ -235,6 +262,7 @@
|
||||
/* GPIO set/clear/sta/dir/edge/rising/falling/af registers */
|
||||
|
||||
#define GPIO_PIN(n) (1 << (n))
|
||||
#define TSC_PIN_SET (0xf0) /* Pins 4-7: Used by touchscreen */
|
||||
|
||||
/* ADC control */
|
||||
|
||||
@@ -286,32 +314,32 @@
|
||||
|
||||
/* Touchscreen controller configuration */
|
||||
|
||||
#define TSWC_CFG_SETTLING_SHIFT (0) /* Bits 0-2: Panel driver settling time */
|
||||
#define TSWC_CFG_SETTLING_MASK (7 << TSWC_CFG_SETTLING_SHIFT)
|
||||
# define TSWC_CFG_SETTLING_10US (0 << TSWC_CFG_SETTLING_SHIFT)
|
||||
# define TSWC_CFG_SETTLING_100US (1 << TSWC_CFG_SETTLING_SHIFT)
|
||||
# define TSWC_CFG_SETTLING_500US (2 << TSWC_CFG_SETTLING_SHIFT)
|
||||
# define TSWC_CFG_SETTLING_1MS (3 << TSWC_CFG_SETTLING_SHIFT)
|
||||
# define TSWC_CFG_SETTLING_5MS (4 << TSWC_CFG_SETTLING_SHIFT)
|
||||
# define TSWC_CFG_SETTLING_10MS (5 << TSWC_CFG_SETTLING_SHIFT)
|
||||
# define TSWC_CFG_SETTLING_50MS (6 << TSWC_CFG_SETTLING_SHIFT)
|
||||
# define TSWC_CFG_SETTLING_100MS (7 << TSWC_CFG_SETTLING_SHIFT)
|
||||
#define TSWC_CFG_TOUCH_DELAY_SHIFT (1) /* Bits 3-5: Touch detect delay */
|
||||
#define TSWC_CFG_TOUCH_DELAY_MASK (7 << TSWC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSWC_CFG_TOUCH_DELAY_10US (0 << TSWC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSWC_CFG_TOUCH_DELAY_50US (1 << TSWC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSWC_CFG_TOUCH_DELAY_100US (1 << TSWC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSWC_CFG_TOUCH_DELAY_500US (2 << TSWC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSWC_CFG_TOUCH_DELAY_1MS (3 << TSWC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSWC_CFG_TOUCH_DELAY_5MS (4 << TSWC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSWC_CFG_TOUCH_DELAY_10MS (5 << TSWC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSWC_CFG_TOUCH_DELAY_50MS (6 << TSWC_CFG_TOUCH_DELAY_SHIFT)
|
||||
#define TSWC_CFG_AVE_CTRL_SHIFT (6) /* Bits 6-7: Average control */
|
||||
#define TSWC_CFG_AVE_CTRL_MASK (3 << TSWC_CFG_AVE_CTRL_SHIFT)
|
||||
# define TSWC_CFG_AVE_CTRL_1SAMPLE (0 << TSWC_CFG_AVE_CTRL_SHIFT)
|
||||
# define TSWC_CFG_AVE_CTRL_2SAMPLES (1 << TSWC_CFG_AVE_CTRL_SHIFT)
|
||||
# define TSWC_CFG_AVE_CTRL_4SAMPLES (2 << TSWC_CFG_AVE_CTRL_SHIFT)
|
||||
# define TSWC_CFG_AVE_CTRL_8SAMPLES (3 << TSWC_CFG_AVE_CTRL_SHIFT)
|
||||
#define TSC_CFG_SETTLING_SHIFT (0) /* Bits 0-2: Panel driver settling time */
|
||||
#define TSC_CFG_SETTLING_MASK (7 << TSC_CFG_SETTLING_SHIFT)
|
||||
# define TSC_CFG_SETTLING_10US (0 << TSC_CFG_SETTLING_SHIFT)
|
||||
# define TSC_CFG_SETTLING_100US (1 << TSC_CFG_SETTLING_SHIFT)
|
||||
# define TSC_CFG_SETTLING_500US (2 << TSC_CFG_SETTLING_SHIFT)
|
||||
# define TSC_CFG_SETTLING_1MS (3 << TSC_CFG_SETTLING_SHIFT)
|
||||
# define TSC_CFG_SETTLING_5MS (4 << TSC_CFG_SETTLING_SHIFT)
|
||||
# define TSC_CFG_SETTLING_10MS (5 << TSC_CFG_SETTLING_SHIFT)
|
||||
# define TSC_CFG_SETTLING_50MS (6 << TSC_CFG_SETTLING_SHIFT)
|
||||
# define TSC_CFG_SETTLING_100MS (7 << TSC_CFG_SETTLING_SHIFT)
|
||||
#define TSC_CFG_TOUCH_DELAY_SHIFT (1) /* Bits 3-5: Touch detect delay */
|
||||
#define TSC_CFG_TOUCH_DELAY_MASK (7 << TSC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSC_CFG_TOUCH_DELAY_10US (0 << TSC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSC_CFG_TOUCH_DELAY_50US (1 << TSC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSC_CFG_TOUCH_DELAY_100US (2 << TSC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSC_CFG_TOUCH_DELAY_500US (3 << TSC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSC_CFG_TOUCH_DELAY_1MS (4 << TSC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSC_CFG_TOUCH_DELAY_5MS (5 << TSC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSC_CFG_TOUCH_DELAY_10MS (6 << TSC_CFG_TOUCH_DELAY_SHIFT)
|
||||
# define TSC_CFG_TOUCH_DELAY_50MS (7 << TSC_CFG_TOUCH_DELAY_SHIFT)
|
||||
#define TSC_CFG_AVE_CTRL_SHIFT (6) /* Bits 6-7: Average control */
|
||||
#define TSC_CFG_AVE_CTRL_MASK (3 << TSC_CFG_AVE_CTRL_SHIFT)
|
||||
# define TSC_CFG_AVE_CTRL_1SAMPLE (0 << TSC_CFG_AVE_CTRL_SHIFT)
|
||||
# define TSC_CFG_AVE_CTRL_2SAMPLES (1 << TSC_CFG_AVE_CTRL_SHIFT)
|
||||
# define TSC_CFG_AVE_CTRL_4SAMPLES (2 << TSC_CFG_AVE_CTRL_SHIFT)
|
||||
# define TSC_CFG_AVE_CTRL_8SAMPLES (3 << TSC_CFG_AVE_CTRL_SHIFT)
|
||||
|
||||
/* Current status of FIFO */
|
||||
|
||||
@@ -328,6 +356,8 @@
|
||||
/* Touchscreen controller drive I */
|
||||
|
||||
#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 */
|
||||
|
||||
@@ -427,6 +457,16 @@ struct stmpe11_config_s
|
||||
int irq; /* IRQ number received by interrupt handler. */
|
||||
#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
|
||||
* callbacks to isolate the STMPE11 driver from differences in GPIO
|
||||
* 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
|
||||
* enable - Enable or disable the 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);
|
||||
void (*enable)(FAR struct stmpe11_config_s *state, bool enable);
|
||||
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
|
||||
@@ -600,15 +636,13 @@ EXTERN int stmpe11_gpioattach(STMPE11_HANDLE handle, uint8_t pinconfig,
|
||||
#endif
|
||||
|
||||
/********************************************************************************************
|
||||
* Name: stmpe11_adctiming
|
||||
* Name: stmpe11_adcinitialize
|
||||
*
|
||||
* 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:
|
||||
* 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:
|
||||
* 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
|
||||
EXTERN int stmpe11_adctiming(STMPE11_HANDLE handle, uint8_t ctrl1, uint8_t ctrl2);
|
||||
EXTERN int stmpe11_adcinitialize(STMPE11_HANDLE handle);
|
||||
#endif
|
||||
|
||||
/********************************************************************************************
|
||||
|
||||
Reference in New Issue
Block a user