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drivers/lcd: Extend FT80x touchscreen initialization; add more touchscreen-related definitions.

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This commit is contained in:
Gregory Nutt
2018-02-25 11:18:35 -06:00
parent b2d415da79
commit eeb40dc600
4 changed files with 37 additions and 12 deletions
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include/nuttx/lcd/ft80x.h
+13 -1
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@@ -349,7 +349,7 @@
/* 0x1024d0 – 0x1024d4 Reserved */
# define FT80X_REG_CTOUCH_EXTENDED 0x1024f4 /* Set capacitive touch operation mode:
* 0: extended mode (multi-touch)
* 0: 1: FT800 compatibility mode (single touch) */
* 1: FT800 compatibility mode (single touch) */
# define FT80X_REG_CTOUCH_REG 0x1024f8 /* CTPM configure register write
* Bits [7:0]: configure register address
* Bits [15:8]: configure register value */
@@ -415,6 +415,18 @@
#define TOUCH_TAG_MASK 0xff /* Bits 0-7: Tag of touched graphic object */
/* FT80X_REG_TOUCH_MODE */
#define TOUCH_MODE_OFF 0 /* Acquisition stopped, touch detection
* interrupt is still valid. */
#define TOUCH_MODE_ONESHOT 1 /* Perform acquisition once every write of 1
* to REG_TOUCH_MODE. */
#define TOUCH_MODE_FRAMESYNC 2 /* Perform acquisition for every frame sync
* (~60 data acquisition/second). */
#define TOUCH_MODE_CONTINUOUS 3 /* Perform acquisition continuously at
* approximately 1000 data acquisition /
* second. */
/* Interrupts *******************************************************************************/
/* The interrupt output pin is enabled by REG_INT_EN. When REG_INT_EN is 0, INT_N is
* tri-state (pulled to high by external pull-up resistor). When REG_INT_EN is 1, INT_N is