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SAM E70 Xplained Ultra - Examples?
Also make sure you have the latest version of "Atmel Kits" installed.  From the main menu, "Tools->Extensions & Updates".  Atmel Kits is used to determine which...
Tuesday, 8 September 2020 - 20:23
Compiler Help!!!
Usually limits to the compiler or linker are the maximum length of the command prompt.  Back in the day Windows machines had 256 character limits.  When linking lots of...
Tuesday, 8 September 2020 - 20:19
USB CDC Echo problem
@maartend - Can you post your bug info so I can track it too?  I'm interest to see how responsive (or unresponsive) Atmel is.
Thursday, 3 September 2020 - 22:47
USB CDC Echo problem
I have confirmed the problem is with START/ASF4 and Windows 10 version 2004.  Using just the SAME70 Xplained board powered externally and CDC sample programs from Atmel, here...
Thursday, 3 September 2020 - 22:27
USB CDC Echo problem
Seeing the same thing.  When connecting a Win 10 machine to a SAME70 device via USB, the first connection is successful.  But if the PC side program is closed then...
Thursday, 27 August 2020 - 22:03
SAME70 QSPI XIP Quad SPI External Flash Memory SMM Write Problem
I just ran into this same problem.  Single byte writes to a serial flash chip using a SAM E70 QSPI module in Serial Memory Mode sends seven unwanted extra bytes.  In...
Thursday, 19 March 2020 - 18:40
Help locating newlib source code
westfw wrote:   So what is the actual code produced, and on which instruction does it actually crash?     See post #10 above, there is an example SAM E70 Xplained...
Tuesday, 17 March 2020 - 14:15
Help locating newlib source code
Final analysis:  the problem lies in newlib's memcpy() function when compiled with certain optimization settings.  Here's the most recent memcpy.c file from ...
Friday, 13 March 2020 - 18:06
Help locating newlib source code
westfw wrote: Could you provide the compile command for your demo version of the code?   Also, do you happen to know for sure which binary libc.a your code ends up linking?...
Friday, 13 March 2020 - 14:00
Help locating newlib source code
So I've found the root of the problem.  The Atmel supplied START file hpl_usbhs.c calls memcpy() with a destination address of USBHS RAM.  When linking in the non-size...
Thursday, 12 March 2020 - 22:35
Help locating newlib source code
And for those of you playing along at home, the whole reason for this journey was to trace down a hard fault in the standard C library function memcpy() when called from within...
Wednesday, 11 March 2020 - 20:23
Help locating newlib source code
Answering my own questions here.   1.  Atmel Studio v7.0.2397 uses ARM GNU Toolchain 6.3.1.508.  See the "arm-gnu-toolchain-6.3.1.508-readme.pdf" file in the Atmel...
Wednesday, 11 March 2020 - 20:10

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