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How to clear ISR for individual pin?
Thanks for looking into whats happening on the Arduino Due. The approach I ended up taking is pretty much same. It should work fine, providing one rule is followed: don't enable a...
Friday, 18 January 2019 - 05:35
How to clear ISR for individual pin?
Thanks for the detailed reply ScottMN.   I get the whole shared interrupt vector thing and understand that relates to the ARM processor rather than the Atmel's...
Thursday, 17 January 2019 - 08:42
How to clear ISR for individual pin?
Hi David,    I am using the SAME70. Its PIO_ISR register is also read-only.   A sensible design would give write-access. Then you could clear individual bits...
Monday, 14 January 2019 - 13:02
USART configured as SPI Slave with DMA
I came across this in the errata;   Byte and Half-Word Accesses If XDMAC is used to transfer 8-bit or 16-bit data in Fixed Source Address mode or Fixed Destination Address...
Friday, 11 January 2019 - 00:54
Bootloader corrupted when flashing application
Are you using the default debugger firmware that comes installed on the dev board (I think it's called EDBG)?
Monday, 7 January 2019 - 06:55
Bootloader corrupted when flashing application
Thanks for the suggestion ki0bk. I tried setting the fuse bits to protect the flash area where the bootloader lives. However, when I program the application through atmel...
Monday, 31 December 2018 - 06:18
Problem with USB CDC in custom project
For anyone else facing this issue, I found the solution by doing a diff on the .cproj files.   My .cproj file was missing; <armgcc.linker.general.UseNewlibNano>True...
Monday, 31 December 2018 - 04:52
Documentation for SAME70 NVICIABR register?
It looks like the bits in the NVICIABRx registers line up with the "peripheral identifiers" in table 14-1 of the datasheet.
Saturday, 29 December 2018 - 06:32