The Cortex M3 board - Revision history

Donald: /* Compiling OpenOCD */

2010-05-12T10:03:38Z

‎Compiling OpenOCD

2009-11-04T23:02:33Z

2009-10-16T06:55:09Z

‎Flashing a new firmware (using usbProg)

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 Compiling openOCD is only necessary if you don't want to use the executable from our SVN. Otherwise skip this step and stick with <tt>openocd-0.2.0-win32.exe</tt> which just works.
-Get [http://openocd.berlios.de openocd-0.2.0], [http://sourceforge.net/projects/libusb-win32/files/ libusb-win32-device-bin-0.12.2], [http://www.ftdichip.com FTDI D2XX drivers 2.04.16] (or higher versions).
+If you experience problems, it might be due to openocd-0.2.0 being kind of outdated. There is also an exe of openocd-0.4.0 in the svn, but this one is cygwin only (I did not manage to compile it with <tt>gcc-3 -mno-cygwin</tt> or <tt>mingw32-gcc</tt>). And it is stripped of usbProg support. This build is linked against the 2.06.02 version of the ftdi2xx driver.
 The cygwin gcc compiler is used, but for cygwin-independent target. MinGW should work as well.

← Older revision		Revision as of 23:02, 4 November 2009
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	* Flashing speed is quite high with the ARM USB TINY, > 10kBytes/s, so the whole process takes only seconds.		* Flashing speed is quite high with the ARM USB TINY, > 10kBytes/s, so the whole process takes only seconds.
	* The usbProg is more than 100 times slower, and usbProg + level shifter are more costly than the ARM-USB-TINY.		* The usbProg is more than 100 times slower, and usbProg + level shifter are more costly than the ARM-USB-TINY.
		+
		+	= Concerning Mac OS X =
		+
		+	Under OSX Snow Leopard things work, too.
		+	* Install the latest version of the FTDI driver (>=2.2.14)
		+	* Install openOCD with macports. This uses the libftdi driver, so the FTDI driver seems to be obsolete. But due to some misconfiguration in Snow Leopard's default FTDI driver, the original driver is needed to allow libftdi/libusb access to the raw device.
		+	* The AMR-USB-TINY's USB PID is 0x0004, change the openOCD config file.
		+	* Libftdi is a bit slower, around 1.5kB/s. Still acceptable.

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 '''Note:''' The usbProg is slow, really painfully slow. Flashing speed is around '''70-80 Bytes/s'''.
-'''Note:''' The openOCD firmware in usbProg's online pool does not work, since <tt>TDI</tt> and <tt>TDO</tt> wires are switched. You need to upload a modified firmware image (<tt>[https://mars.iese.fraunhofer.de/ConceptCar/Documentation/Cortex%20M3/Flashing%20it/usbprog_hacked_openocd_fw.bin usbprog_hacked_openocd_fw.bin]</tt>) to the usbProg.
+'''Note:''' The openOCD firmware in usbProg's online pool does not work, since <tt>TDI</tt> and <tt>TDO</tt> wires are switched. You need to upload a modified firmware image (<tt>[https://mars.iese.fraunhofer.de/ConceptCar/Documentation/Cortex%20M3/Flashing%20it/usbprog_hacked_openocd_fw.bin usbprog_hacked_openocd_fw.bin]</tt>) to the usbProg. Or you build your own level shifter that corrects this error.
 '''Note:''' The jumpers need to be set up in the following way: