DESCRIPTION

Returns the state of the top switch.

There are four different states for a switch to be: off, press, release, release after a long press, and release after a very long press.

SYNTAX

lcd.swTop();

PARAMETERS

none

RETURNS

A byte with a value from 0 to 4
if returns a 0, the switch is not press
if 1 the switch is press,
if 2 the switch is been release after a press,
if 3 the switch is been release after a press for more then 3 sec and less then 6
if 4 the switch is been release after a press more then 6 seconds.

To change the value of what is a long press and longLong press see example 'longPress' and 'longLongPress'

EXAMPLE

#include <SPI.h> #include <InvIoT_U1.h> InvIoT_U1 lcd(A0, A1); void setup() { lcd.print("Press Top Button"); } void loop() { if (lcd.swTop() == SW_RELEASE) { lcd.clear(); lcd.print("Top is Released"); delay(1000); lcd.clear(); lcd.print("Press Top Again"); } }

SEE ALSO

• .swRotary
• .swBottom
• .rotary
• .longPress
• .rotaryClick
• .buttonClick