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PCD
The delay time may be longer than requested if an interrupt is serviced during the
delay. The time spent in the ISR does not count toward the delay time.
Availability: All devices
Requires:
Examples:
Example
Files:
Also See:
#USE DELAY
#use delay(clock=20000000)
do {
output_high(PIN_B0);
delay_us(duty);
output_low(PIN_B0);
delay_us(period-duty);
} while(TRUE);
ex_sqw.c
delay_ms(), delay_cycles(), #USE DELAY
disable_interrupts( )
Syntax:
disable_interrupts ( level )
Parameters: level - a constant defined in the devices .h file
Returns:
Function:
undefined
Disables the interrupt at the given level. The GLOBAL level will not disable any of
the specific interrupts but will prevent any of the specific interrupts, previously
enabled to be active. Valid specific levels are the same as are used in #INT_xxx
and are listed in the devices .h file. GLOBAL will also disable the peripheral
interrupts on devices that have it. Note that it is not necessary to disable interrupts
inside an interrupt service routine since interrupts are automatically disabled.
Some chips that have interrupt on change for individual pins allow the pin to be
specified like INT_RA1.
Availability: Device with interrupts (PCM and PCH)
Requires:
Examples:
162
Should have a #INT_xxxx, constants are defined in the devices .h file.
disable_interrupts(GLOBAL); // all interrupts OFF
disable_interrupts(INT_RDA); // RS232 OFF
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