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USB CDC no more working with new GCC
Hi,   On my board (with a SAME70), I have a USB CDC driver implemented, and it works well. I use ASF 3.31.0, and arm gnu toolchain 4.9.3.475   I tried to upgrade the...
Wednesday, 21 June 2017 - 14:02
[SAME70] RAM access
Hi,   I use attached an external RAM (ISI42S16160) to my SAME70 with the EBI interface. Here is my connections: SAM         ...
Monday, 7 November 2016 - 13:59
reset TC
Hi all,   The question sounds simple, but I'm not able to reset a TC. I use a TC as quadrature decoder. It works fine. I periodically read the value of CV register to know...
Thursday, 23 June 2016 - 09:13
Determining USB CDC speed
I try to determine the speed I can reach using USB CDC class using a SAME70. I wrote a simple test that sends for example 1024 bytes, and compute timing with a TC (configured with...
Wednesday, 8 June 2016 - 10:01
[SAME70] RTC backup with battery
Hi,   I'm Trying to get the RTC time saved when my board is no more powered. So I added a lithium battery on the VDDIO pins with diodes so that VDDIO is powered by my 3v3...
Monday, 6 June 2016 - 09:58
XDMA and circular buffer
Hi,   I have data that come to my SAME70 via SPI. I receive them with the XDMAC 6 bytes by 6 bytes, and then in the End of Block interrupt, update the destination address and...
Monday, 30 May 2016 - 09:54
QDTRANS bit for quadrature decoder
I can configure the quadrature decoder correctly using this code (it's a SAME70, but that shouldn't matter) : pmc_enable_periph_clk(ID_TC6); pmc_enable_periph_clk(ID_TC7);...
Monday, 23 May 2016 - 11:17
Quadrature decoder
Hi,   I need to capture the position from an optical coder. No problem with that, I configured the quadratic decoder hardware on my SAME70 and it works well. It increments /...
Friday, 13 May 2016 - 15:14
[SAME70] TC with PCK6
Hi,   I'm trying to do a quite simple thing: Configure a timer (ID_TC1) and get an interrupt when RC is reached. My code is this one:   pmc_enable_periph_clk(ID_TC1);...
Tuesday, 10 May 2016 - 09:19
debugging on SAME70
Hi all, My system has 2 boards. Both have a SAME70Q19. On main board, it is a LFBGA socket, on the slave board it is a LQFP socket. On both boards, I have a 10 pins SWD socket...
Thursday, 14 April 2016 - 14:44
SPI with DMA buffer handling
Hi,   In my application, I need to receive data from another board through SPI, and treat it. To handle that I use XDMAC (I'm on a SAME70) with SPI, so that when a SPI data...
Friday, 11 March 2016 - 13:32
Slow PIO interrupt handling
Hi,   I'm trying to read a full port when one of its bit raises. It works, but there are 2 things that bothers me:  - I find the handling of the interruption slow...
Friday, 8 January 2016 - 15:51

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