CooCox CoOS User's Guide

6.5.5 CoGetMemoryBuffer()
Function Prototype:
void* CoGetMemoryBuffer
(
OS_MMID mmID
);
Description:
Obtain a memory block from a certain memory partition.
Parameters:
[IN] mmID
The ID of the memory partition
Returns:
NULL, Failed to allocate.
Others, Allocate successfully and return the initial address pointer of the
memory block.
Example usage:
#include "CCRTOS.h"
OS_MMID mmc;
void TaskN (void *pdata)
{
int *ptr;
...
/* Get a memory block from memory partition */
/* mmc: Created by other task */
ptr = (int* )CoGetMemoryBuffer(mmc);
if (ptr == NULL)
{
printf("Assign buffer fail !\n");
}
else
{
...
/* Process assigned buffer here */
...
/* Free assigned buffer to memory partition */
CoFreeMemoryBuffer(mmc, (void* )ptr);
}
...
}
Note:
None
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