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本帖最后由 webber-318116 于 2015-10-19 15:32 编辑
调试K64的板子,新做的一批最近开始调发现烧录程序总是会出现问题,但偶尔也有可以烧录进去的几次。当烧录不正常的时候,现象是这样的:
进入的是一个叫Boot.s的程序。而在下面的console窗口,是如下的文字:
Connection from "127.0.0.1" via 127.0.0.1
Copyright 2012 P&E Microcomputer Systems,Inc.
Command Line :C:\Freescale\KDS_3.0.0\eclipse\plugins\com.pemicro.debug.gdbjtag.pne_2.0.8.201504092111\win32\pegdbserver_console -device=Freescale_K6x_K64FX512M12 -startserver -singlesession -serverport=7224 -interface=USBMULTILINK -speed=5000 -port=USB1
CMD>RE
Initializing.
Target has been RESET and is active.
CMD>CM C:\Freescale\KDS_3.0.0\eclipse\plugins\com.pemicro.debug.gdbjtag.pne_2.0.8.201504092111\win32\gdi\P&E\supportFiles_ARM\Freescale\K6x\freescale_k64fx512m12_pflash_dflash_eeprom.arp
Initializing.
Initialized.
;version 1.03, 06/02/2014, Copyright 2014 P&E Microcomputer Systems, Inc. All rights reserved. www.pemicro.com [mk64_512k_x_pflash_dflash_eeprom]
;device freescale, k64fx512m12, pflash_dflash_eeprom
;begin_cs device=$00000000, length=$14004000, ram=$20000000
Loading programming algorithm ...
Done.
CMD>EM
Erasing.
Module has been erased.
Initializing.
Initialized.
;version 1.03, 06/02/2014, Copyright 2014 P&E Microcomputer Systems, Inc. All rights reserved. www.pemicro.com [mk64_512k_x_pflash_dflash_eeprom]
;device freescale, k64fx512m12, pflash_dflash_eeprom
;begin_cs device=$00000000, length=$14004000, ram=$20000000
Loading programming algorithm ...
Done.
CMD>PM
Programming.
Processing Object File Data ...
.
Error during programming.
Error Programming flash of device
Error occured during Flash programming.
PE-ERROR: Error downloading to the device.
每次进入烧录界面,上述的蓝色字符跑完时,右下角进度条显示98%很久,然后就会显示红色的字样,显示写flash出现error。
我有确认过焊接,应该是OK的。
另外这个是我们第二次做的板子,这一块的电路除了布局上的一些小改动,原理上没有变。而使用原来的板子来烧录时,是不会出现上述的现象的。
不知道版上的各位大大有没有遇到过此类的问题,或者给小弟一些意见,万分感谢!!
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