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PCD
DEFINE=id
Creates a define named id which specifies the number of ticks that will occur in one
second. Default define name if not specified is TICKS_PER_SECOND. Define
name must start with an ASCII letter 'A' to 'Z', an ASCII letter 'a' to 'z' or an ASCII
underscore ('_').
COUNTER or COUNTER=x
Sets up specified timer as a counter instead of timer. x specifies the prescallar to
setup counter with, default is1 if x is not specified specified. The function get_ticks()
will return the current count and the function set_ticks() can be used to set count to
a specific starting value or to clear counter.
Purpose:
This directive creates a tick timer using one of the PIC's timers. The tick timer is
initialized to zero at program start. This directive also creates the define
TICKS_PER_SECOND as a floating point number, which specifies that number of
ticks that will occur in one second.
Examples: #USE TIMER(TIMER=1,TICK=1ms,BITS=16,NOISR)
unsigned int16 tick_difference(unsigned int16 current, unsigned
int16 previous) {
return(current - previous);
}
void main(void) {
unsigned int16 current_tick, previous_tick;
current_tick = previous_tick = get_ticks();
while(TRUE) {
current_tick = get_ticks();
if(tick_difference(current_tick, previous_tick) > 1000) {
output_toggle(PIN_B0);
previous_tick = current_tick;
}
}
}
Example
None
Files:
Also See: get_ticks(), set_ticks()
#USE TOUCHPAD
Syntax:
#USE TOUCHPAD (options)
Elements: RANGE=x
Sets the oscillator charge/discharge current range. If x is L, current is nominally 0.1
microamps. If x is M, current is nominally 1.2 microamps. If x is H, current is
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