touchZones.c File Reference

Zone boundaries and classification for the printed panel layout. More...

#include "touchZones.h"

Go to the source code of this file.

Macros
#define	TOUCH_X_MIN   300
	Lowest accepted raw X.
#define	TOUCH_X_MAX   3700
	Highest accepted raw X.
#define	TOUCH_Y_MIN   300
	Lowest accepted raw Y.
#define	TOUCH_Y_MAX   3650
	Highest accepted raw Y.
#define	TOUCH_X_SPLIT   2060
	Raw X that separates the OFF (left) half from the ON (right) half, from measured button centers.
#define	TOUCH_Y_LED1_LED2   1285
	Raw Y boundary between the LED 1 row and the LED 2 row.
#define	TOUCH_Y_LED2_LED3   2075
	Raw Y boundary between the LED 2 row and the LED 3 row.
#define	TOUCH_Y_LED3_BEEP   2900
	Raw Y boundary between the LED 3 row and the BEEP row.

Functions
touchZone_t	touchZoneFromPoint (int16_t x, int16_t y)
	Classifies a raw touch position into a button zone.
const char *	touchZoneName (touchZone_t zone)
	Gives a short printable name for a zone.

Detailed Description

Zone boundaries and classification for the printed panel layout.

Created on: Sep 18, 2026 Author: johng

Definition in file touchZones.c.

Macro Definition Documentation

TOUCH_X_MAX

#define TOUCH_X_MAX   3700

Highest accepted raw X.

Definition at line 17 of file touchZones.c.

Referenced by touchZoneFromPoint().

TOUCH_X_MIN

#define TOUCH_X_MIN   300

Lowest accepted raw X.

Definition at line 15 of file touchZones.c.

TOUCH_X_SPLIT

#define TOUCH_X_SPLIT   2060

Raw X that separates the OFF (left) half from the ON (right) half, from measured button centers.

Definition at line 24 of file touchZones.c.

Referenced by touchZoneFromPoint().

TOUCH_Y_LED1_LED2

#define TOUCH_Y_LED1_LED2   1285

Raw Y boundary between the LED 1 row and the LED 2 row.

Definition at line 29 of file touchZones.c.

Referenced by touchZoneFromPoint().

TOUCH_Y_LED2_LED3

#define TOUCH_Y_LED2_LED3   2075

Raw Y boundary between the LED 2 row and the LED 3 row.

Definition at line 31 of file touchZones.c.

Referenced by touchZoneFromPoint().

TOUCH_Y_LED3_BEEP

#define TOUCH_Y_LED3_BEEP   2900

Raw Y boundary between the LED 3 row and the BEEP row.

Definition at line 33 of file touchZones.c.

Referenced by touchZoneFromPoint().

TOUCH_Y_MAX

#define TOUCH_Y_MAX   3650

Highest accepted raw Y.

Definition at line 21 of file touchZones.c.

Referenced by touchZoneFromPoint().

TOUCH_Y_MIN

#define TOUCH_Y_MIN   300

Lowest accepted raw Y.

Definition at line 19 of file touchZones.c.

Function Documentation

touchZoneFromPoint()

touchZone_t touchZoneFromPoint	(	int16_t	x,
		int16_t	y )

Classifies a raw touch position into a button zone.

Parameters

x	Raw 12-bit X (0-4095).
y	Raw 12-bit Y (0-4095).

Return values

The	zone containing the point, or TOUCH_ZONE_NONE if it falls outside the calibrated active area.

Definition at line 35 of file touchZones.c.

References TOUCH_X_MAX, TOUCH_X_SPLIT, TOUCH_Y_LED1_LED2, TOUCH_Y_LED2_LED3, TOUCH_Y_LED3_BEEP, and TOUCH_Y_MAX.

Referenced by main().

touchZoneName()

const char * touchZoneName

(

touchZone_t

zone

)

Gives a short printable name for a zone.

Parameters

zone	The zone to name.

Return values

A	short printable name for the zone, e.g. "LED 2 ON", or "none" for TOUCH_ZONE_NONE.

Definition at line 55 of file touchZones.c.

Referenced by main().