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PCD
Also See:
None
enable_interrupts( )
Syntax:
enable_interrupts ( level )
Parameters: level is a constant defined in the devices * .h file.
Returns:
Function:
undefined.
This function enables the interrupt at the given level. An interrupt procedure should
have been defined for the indicated interrupt.
The GLOBAL level will not enable any of the specific interrupts, but will allow any
of the specified interrupts previously enabled to become active. Some chips that
have an interrupt on change for individual pins all the pin to be specified, such as
INT_RA1. For interrupts that use edge detection to trigger, it can be setup in the
enable_interrupts( ) function without making a separate call to the set_int_edge( )
function.
Enabling interrupts does not clear the interrupt flag if there was a pending interrupt
prior to the call. Use the clear_interrupt( ) function to clear pending interrupts
before the call to enable_interrupts( ) to discard the prior interrupts.
Availability: Devices with interrupts.
Requires:
Examples:
Example
Files:
Also See:
Should have a #INT_XXXX to define the ISR, and constants are defined in the
devices * .h file.
enable_interrupts(GLOBAL);
enable_interrupts(INT_TIMER0);
enable_interrupts( INT_EXT_H2L );
ex_sisr.c , ex_stwt.c
disable interrupts(), clear_interrupt (), ext_int_edge( ), #INT_xxxx, Interrupts
Overview, interrupt_active()
erase_eeprom( )
Syntax:
Parameters:
Returns:
164
erase_eeprom (address);
address is 8 bits on PCB parts.
undefined
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