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Built-in Functions
Also See:
#USE TOUCHPAD, touchpad_state( )
touchpad_hit( )
Syntax:
value = TOUCHPAD_HIT( )
Parameters: None
Returns:
Function:
TRUE or FALSE
Returns TRUE if a Capacitive Sensing Module (CSM) or Charge Time
Measurement Unit (CTMU) key has been pressed. If TRUE, then a call to
touchpad_getc() will not cause the program to wait for a key press.
Availability: All PIC's with a CSM or CTMU Module
Requires:
Examples:
#USE TOUCHPAD (options)
// When the pad connected to PIN_B0 is activated, store the letter
'A'
#USE TOUCHPAD (PIN_B0='A')
void main(void){
char c;
enable_interrupts(GLOBAL);
while (TRUE) {
if ( TOUCHPAD_HIT() )
//wait until key on PIN_B0 is pressed
}
c = TOUCHPAD_GETC();
}
//get key that was pressed
//c will get value 'A'
Example
Files:
Also See:
None
#USE TOUCHPAD ( ), touchpad_state( ), touchpad_getc( )
touchpad_state( )
Syntax:
TOUCHPAD_STATE (state) ;
Parameters: state is a literal 0, 1, or 2.
Returns:
Function:
None
Sets the current state of the touchpad connected to the Capacitive Sensing
Module (CSM). The state can be one of the following three values:
301
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