#include <rl_usb.h>

BOOL usbh_mem_free (
  U8   ctrl,
  U8  *ptr
);

The usbh_mem_free function frees a block of memory that was previously allocated from the memory pool. The argument ctrl is the index of the controller (memory pool). The argument ptr is the pointer to the start of memory block to be freed.

The usbh_mem_free function is part of the RL-USB-Host Software Stack.

The usbh_mem_free function returns one of the following manifest constants.

• __TRUE
  Success.
• __FALSE
  Indicates that function has failed.

usbh_mem_alloc, usbh_mem_init

#include <rl_usb.h>

U32 mpool[1024];

int main (void)  {
  U8 *ptr_mem;

  ..
  if (!usbh_mem_init(0, (U32 *)&mpool, 4096)) {

    ..
    if  (!usbh_mem_alloc  (0, &ptr_mem, 8)) {

      ..
      usbh_mem_free (0, ptr_mem);
    }
    ..
  }
  ..
}