usbh_mem_init

#include <rl_usb.h>

BOOL usbh_mem_init (
  U8   idx,
  U32 *ptr_pool,
  U32  pool_sz
);

The usbh_mem_init function initializes memory pool. The argument ctrl is the index of the controller (memory pool). The argument ptr_pool is the pointer to beginning of the memory pool. The argument pool_sz is the size of memory pool.

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

The usbh_mem_init function returns one of the following manifest constants.

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

usbh_mem_alloc, usbh_mem_free

#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);
    }
    ..
  }
  ..
}