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SAM4S Bootloader
"The SAM4S embeds an internal ROM, which contains the SAM boot assistant (SAM-BA®), In-Application Programming (IAP) routines and Fast Flash Programming Interface (FFPI).  At...
Thursday, 1 November 2018 - 11:48
NO_INIT variables are placed in the wrong section of memory
I found a couple of articles that might help:  
Monday, 26 June 2017 - 18:20
Problem with Sam D21 Xplained Pro
Did you add the ASF driver through the wizard?  Double check that, more than once I screwed that up.  It's pretty easy to add the driver in the wizard but then forget to...
Monday, 26 June 2017 - 11:24
SAML21 ADC configuration problem with ASF
That's part of the issue, I never start the adc yet after initialization in free running mode the results ready irq flag is already set.
Thursday, 13 April 2017 - 11:47
Capture Timer Setup
Is it possible that disabling the interrupt causes rb not to be loaded on the rising edge?  
Thursday, 13 April 2017 - 11:44
Can I build SAM-BA and my application code into a single elf?
After looking around the forum a bit I found a solution to my problem, which was to ultimately only need to load one .hex file during production programming.  In the atmel...
Thursday, 9 March 2017 - 12:07
SAML21 SAM-BA Example project help
bewster wrote: After reviewing the source code that comes with AT07175​ - although it is for the SAM D21 and uses IAR - I was able to get this working by adjusting the memory...
Thursday, 9 February 2017 - 15:42
SAMD21 SPI Slave using DMA variable packet size
I'm doing a very similar operation, I took a bit of a higher level approach.  Since I am transferring logged data, I preface the packet with a transfer that contains the size...
Monday, 30 January 2017 - 13:55
ATSAMD20J18 only SERCOM0 is working?
My mistake, you are correct about the pins.  Try inserting a break point somewhere after the get_config_defaults function and take a look at the i2c_master_config ...
Thursday, 19 January 2017 - 18:00
SAML21 SAM-BA Example project help
Just an update to my previous response, The example project as supplied does not work.  It has a default optimization level of -O1.  It appears that a number of critical...
Thursday, 19 January 2017 - 14:06
ATSAMD20J18 only SERCOM0 is working?
Are you using the same pins for SDA and SCL?  According to the data sheet you need to use PB30 and PB31 with SERCOM5.  Otherwise it looks like your code is correct.
Thursday, 19 January 2017 - 11:41
SAML21 SAM-BA Example project help
All they provide is an example project in Atmel studio.  I opened a ticket with atmel support and they think there is an error in the documentation.  They recommended...
Thursday, 19 January 2017 - 11:34