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G55 Clock Selection
I'm a bit confused about the clock options on the SAM G55.  I came to this point by chasing down a USB host issue where code worked on an Xplained board, but not on a custom...
Wednesday, 3 January 2018 - 22:41
USB Host SOF Question
I'm working on adding USB Host support to a board, starting with a simple MSC implementation.  I have a SAM G55 Xplained board, and I have gotten the USB Host example (...
Wednesday, 3 January 2018 - 16:35
Reducing compiled code size
I'm working on a bootloader, which I'd like to keep fairly small.  Is there an easy way to tell what is taking up space in the final compiled image?  Do some files added...
Sunday, 31 December 2017 - 23:46
TWI twi_master_write() Hanging
Pertinent info: SAMG55 Micro AS 7.0.1417 ASF 3.35.1   I've been having trouble with a project occasionally hanging, an issue that is not easily reproducible.  I know why...
Thursday, 14 December 2017 - 12:49
Event System on SAM G55
The event system seems like it would be a perfect fit for a few latency critical operations that I'm currently doing with interrupts.  The problem is that the SAM G55...
Tuesday, 28 November 2017 - 21:25
Debug required to run code
I just did the initial bring up of some custom boards based around a SAMG55.  I found that if I programmed the boards via the device programming interface, they would not...
Tuesday, 24 October 2017 - 18:48
Hard Fault When Debugging
Pertinent info: Micro - SAMG55 (Cortex M4) IDE - Atmel Studio 7.0.1417 Tool - Atmel-ICE in JTAG mode   I'm trying to sort out an annoying issue and could use some insight....
Thursday, 19 October 2017 - 14:39
Error in Quickstart guide for ADC driver documentation
Could someone sanity check me here please?   The documentation in question: http://asf.atmel.com/docs/3.35.1...   Under Workflow, item 2: Wait for the conversion over...
Wednesday, 4 October 2017 - 21:01
TWI ASF and NACKs
I'm using the TWI ASF on a SAMG55 for I2C communications.  Most stuff (including a couple SMBUS devices) is working fine, but I have one somewhat non-standard chip that I'm...
Wednesday, 4 October 2017 - 14:52
Serial I/O - Host (component) options
Could someone please tell me what the usb-ftdi option for this asf does?     I've used the uart version in the past, but haven't been able to find any info on what the...
Tuesday, 12 September 2017 - 18:24
Verify Flash Failure
I've run into an issue loading a binary into flash on a SAMG55.  I keep seeing this exact error pop up, but it's not something that always happens, as it depends on the final...
Thursday, 7 September 2017 - 17:11
SPI PCS Decoding
After a bit of head scratching yesterday I think I figured out how PCS decoding on the SAMG55 works, and at the same time I think I found an issue (or at least deficiency) with...
Wednesday, 6 September 2017 - 13:41

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