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Synchronous I2C SAME54 Xplained board not working with Atmel Start
This line is wrong: if ( io_write(UltraSonicSensors_I2C_io, (uint8_t *)81, 1) == I2C_OK )  You are passing memory address 81 to the function, which is likely an invalid...
Thursday, 22 February 2018 - 20:40
Atmel Start doesn't allow all pin combinations for SERCOM
And yes there are times when START and/or the datasheet is wrong.  If you want to try and hack solution, using START assign any available pin in the selection box that is...
Wednesday, 21 February 2018 - 21:22
Atmel Start doesn't allow all pin combinations for SERCOM
justyn wrote: Problem2 (PA05 I2C):   PA05 port has SERCOM0/PAD[1] available as a multiplex, so it should be able to be configured as I2C SCL. However in the I2C...
Wednesday, 21 February 2018 - 21:14
ATSAME70 is too slow
muragavino wrote: In the ISR a reverberation algorithm is called. The entire source code uses only intern memory and is optimized at "O3" optimisation level on both MCUs.​ Does...
Tuesday, 20 February 2018 - 22:15
SAME70 + HAL drivers
Take a look at the ASF4/START reference manual, starting with Chapter 1 Introduction (overview of ASF4, START, IDE, tools, etc.) and Chapter 2 Software Architecture (...
Monday, 19 February 2018 - 14:58
No dynamic memory support with C++ projects? (Undefined reference to '_read', '_write')
If using START/ASF4, be sure to include the stdio redirect driver.  It creates the stub functions for _read() and _write().
Thursday, 15 February 2018 - 14:34
Issue in I2C communication between SAMD21 & GY80
One common software cause of NAK's is addressing.  First be sure the address the master is talking to is the same address the slave is listening on.  If they don't match...
Tuesday, 13 February 2018 - 14:28
Linker "wrap" feature
From a command prompt type "C:\Program Files (x86)\Atmel\Studio\7.0\toolchain\avr8\avr8-gnu-toolchain\bin\avr-g++.exe" --help   From there you will see the avr-g++.exe...
Tuesday, 13 February 2018 - 13:58
SAME70-XPLAINED - Build Failure with an unmodified version of the USB MSC example
Same version of Atmel Studio as yours - 7.0.1645.  I have it running under the latest Win 10 version (1709)   Long shot but try moving your project from the e: ...
Monday, 12 February 2018 - 23:08
SAME70-XPLAINED - Build Failure with an unmodified version of the USB MSC example
Something is different with your setup.  I just created the same example project on my setup and it builds without errors.   Try opening the project, click on just the...
Monday, 12 February 2018 - 13:54
JLink & ATSAMB11
Segger makes the JLink hardware.  They have a pretty good support forum at    
Thursday, 8 February 2018 - 16:30
ATSAMD21 I2C lines locked up
The EDBG chip is connected to the I2C bus as a slave on that board.  A quick google search found this: According to that link...
Thursday, 8 February 2018 - 15:49