M:/USB-BDI/USB-BDI/Firmware/MPC555-USB-BDI/lib/fx2utils.c

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/*      USB-BDI Used for programming and debugging a MPC555 over USB
 * 
 *  Copyright 2005 NTB Interstate University of Applied Sciences of Technology Buchs
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 */
#include "fx2utils.h"
#include "fx2regs.h"
#include "delay.h"

void fx2_stall_ep0 (void){
  EP0CS |= bmEPSTALL;
}

void fx2_reset_data_toggle (unsigned char ep){
  TOGCTL = ((ep & 0x80) >> 3 | (ep & 0x0f));
  TOGCTL |= bmRESETTOGGLE;
}

void fx2_renumerate (void){
  USBCS |= bmDISCON | bmRENUM;

  mdelay (250);
  
  USBIRQ = 0xff;                // clear any pending USB irqs...
  EPIRQ =  0xff;                //   they're from before the renumeration

  EXIF &= ~bmEXIF_USBINT;

  USBCS &= ~bmDISCON;           // reconnect USB
}