CooCox CoOS User's Guide

6.5 Memory Management
6.5.1 CoKmalloc()
Function Prototype:
void* CoKmalloc
(
U32 size
);
Description:
Allocate the size of memory block.
Parameters:
[IN] size
The length of the memory block which need to be allocated with the
unit bytes
Returns:
NULL, Failed to allocate.
Others, Allocate successfully and return the initial address pointer of
the memory block.
Example usage:
#include "CCRTOS.h"
void TaskN (void *pdata)
{
unsigned int *ptr;
...
/* Allocate 20 words of memory block from kernel heap */
ptr = (unsigned int *)CoKmalloc(20*4);
/* process ptr here */
...
/* Release memory block to kernel heap */
CoKfree(ptr);
...
}
Note:
Once you called CoKmalloc(), it will cost 8 bytes to manage this memory
block.
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