Suga koubou / Mbed 2 deprecated i2s_audio_madplayer

streo mp3 player see: http://mbed.org/users/okini3939/notebook/I2S_AUDIO

Dependencies:   FatFileSystemCpp I2SSlave TLV320 mbed

Fork of madplayer by Andreas Grün

madplayer/lpc1768_mem.cpp

Committer:
okini3939
Date:
2013-07-26
Revision:
5:50015f4868e2
Parent:
4:30b2cf4a8ee2

File content as of revision 5:50015f4868e2:

#include "mbed.h"
#include "config.h"

static char *free_ptr = (char *)AHBMEM;
static int free_sz = AHBMEMSIZE;
void reset_ahb_mem(void)
 {
   free_ptr = (char *)AHBMEM;
   free_sz = AHBMEMSIZE;
 }
void *mad_malloc(unsigned int sz)
{
  unsigned int nsz = ((sz >> 3) + 1) << 3; // align to 8 byte
  if(nsz < free_sz)
  {
    char *p = free_ptr;
	free_ptr += nsz;
	free_sz -=nsz;
	return(p);
  }
  else
  {
    return(malloc(sz));
  }
}