CooCox CoOS User's Guide

Example usage:
#include "CCRTOS.h"
void EXTI0_IRQHandler(void)
{
CoEnterISR(); // Enter ISR
…
/* Process interrupt here */
…
CoExitISR(); // Exit ISR
}
Note:
1) When the system API functions are called in the ISR, you need to start
a task scheduling by calling CoExitISR().
2) When the system exits the interrupts, decrease the interrupt nesting
counter- OSIntNesting by one. When OSIntNesting reaches 0, start
task scheduling.
3) CoExitISR() and CoEnterISR() must be used in pairs.
6.1.5 CoSchedLock()
Function Prototype:
void CoSchedLock(void);
Descriptions:
Lock the scheduler.
Parameters:
None
Returns:
None
Example usage:
#include "CCRTOS.c"
void Task0 (void *pdata)
{
.....
CoSchedLock();
…..
/* Process critical resources here */
…..
CoSchedUnlock();
.....
}
Note:
1) Increase OSSchedLock by one. When the task scheduler is locked, the
system ensure that the current task can’t be preempted by any other
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