etm_init.mac

最新版IAR FOR ARM（EWARM）5.11中的代码例子

/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name          : Readme.txt
* Author             : MCD Application Team
* Date First Issued  : 05/18/2006 : Version 1.0
* Description        : ETM module Initialization.
********************************************************************************
* History:
* 05/22/2007 : Version 1.2
* 05/24/2006 : Version 1.1
* 05/18/2006 : Version 1.0
********************************************************************************
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/


execUserPreload(){

  __message "ETM_Init\n";
  
  __writeMemory32(0x011dc000, 0x5C002018, "Memory"); //port clock enable(SCU_PCGR1)
  
  __writeMemory32(0x011dc000, 0x5C002020, "Memory");// port reset clear( SCU_PRR1)

  __writeMemory32(0x0000ffff, 0x5C00204C, "Memory");//OUT2.[7..0] are all alt 3(etm 
                                                    //trace sync, pipe status 0,1,2)(SCU_GPIOOUT2)
                                                      
 __writeMemory32(0x00003000, 0x5C00205C, "Memory");//OUT6.6 alt 3 function 
                                                    //(trace clk out)(SCU_GPIOOUT6)

// The external trigger is not driven by J-Trace and therefore should not be left floating.                                                      
// __writeMemory32(0x00000080, 0x5C00207C, "Memory");//IN6.7  alt 1 function (trigger in)
                                                   //(SCU_GPIOIN6)
}

/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE*****/