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ATSAME70 | How to reduce the time between two transfers in DMA-SPI?
Hi,   I haven't really a clear advice but what about trying to change the parameters:  CONF_SPI_0_DLYBCT, CONF_SPI_0_DLY_BCT and CONF_SPI_0_DLY_SPCK   ...
Monday, 24 January 2022 - 06:21
Why Is This Timer ISR Firing Here?
one more point: The TC_IMR register is 'read only'. So it makes no sense to write to it. Where did you get the function for this?   Best Regards Markus
Wednesday, 12 January 2022 - 08:31
Why Is This Timer ISR Firing Here?
Hi Lars,   as others wrote the TC_IER register ist a write only register. So you cannot read back its value. If you have the need you can read the TC_IMR register. That one...
Tuesday, 11 January 2022 - 07:26
TC-based microsecond timestamp accuracy/jitter issue
Hi,   I also use the SAME70 to capture timestamps of digital inputs. The frequency on my digital inputs is about 10kHz. The jitter in my measurement is about +/-100ns. That...
Tuesday, 4 January 2022 - 12:31
Cannot re-initialize USB Device mode successfully. (SAMD51, Atmel Start)
Hi,   I have a similar question on a SAME70. I need to stop the USB communication between the SAME70 and the Host (PC) and start it again. The reason for the stop is to avoid...
Thursday, 30 December 2021 - 09:41
sprintf crashes for floats on SAM3X8E
The linker option isn't really an optimization. It is the advice for the linker to use a different part of a library. This part allows the use of floating point printf/...
Monday, 20 December 2021 - 07:55
sprintf crashes for floats on SAM3X8E
Hi RoboBro,   well you didn't write something about your toolchain and IDE. I assume your toolchain is somehow gcc based. Have a look for the compiler/linker options. I guess...
Monday, 20 December 2021 - 06:57
SAME70 UART Issues
Hi,   well, if you see correct data in some cases I would assume you are suffering from sporadic problems. From a more general view that might be: cable and connector...
Thursday, 16 December 2021 - 08:21
XDMAC UART read unknown size
Hi naveen,   here are my suggestions: 1.) how do you determine that the last character has been received. Is this related to its content? If yes I would recommend to use the...
Thursday, 9 December 2021 - 07:57
SAM S70 "pure" Basic example?
Do you have an appropriate startup file or added all the startup commands into your main() function?
Thursday, 4 November 2021 - 05:39
Unpredicatable UART drops possibly correlated to I2C?
Hi,   first of all I'm not familiar with the SAMD21 but as a general comment: Try to organize the data transfer by using the DMAC especially if the size of the I2C and UART...
Tuesday, 2 November 2021 - 06:14
MCAN demo program for SAME70 Xplained Ultra evaluation board
Hi Basya,   there is an CAN error register. Have you checked the entires there? This might give you an idea what is going wrong. Additionally I would recommend to check the...
Friday, 15 October 2021 - 04:49

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