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Split from: CAREL protocol specifications
I have an IR33 Carel controller and I am trying to send the following commands to it.   02 31 3f 03 37 35 --> all in hex. Controller responds with 00 only. This is at...
Wed. Jan 24, 2018 - 12:57 AM
RS232 DTR/DSR/DCD on Amegea or UC3 or SAM
Ok I have this requirement to potentially have 3 x RS232 interface on a board for protocol conversion. I need preferably all 3 interfaces to offer full RS232 V.24 spec with DTR/...
Tue. Nov 14, 2017 - 11:43 PM
SAMD21J18A I2S will not work with Slotsize 16bit
Hi guys...I am trying to use the I2S interface on SAMD21J18A connected to MAX98357 board from adafruit. However I have run into great difficulties. It seems not possible to stream...
Thu. Sep 28, 2017 - 11:01 PM
SAMD21 "Event Capture Action"
I am referring to capture event action section of a TC for SAMD21. I can see settings in TC_EVCTRL_EVACT:   TC_EVCTRL_EVACT_OFF_Val  TC_EVCTRL_EVACT_RETRIGGER_Val...
Sun. Sep 10, 2017 - 09:25 AM
SAMD5x and SAME5x where is the ASF?
Hi guys...you will have see the SAMD5x and SAME5x the new Cortex-M4 chips out by now. I am surprised there is no entry in the ASF for these. I try to make a project but these...
Sun. Sep 10, 2017 - 01:20 AM
Open source BSD like socket, tcp, udp library.
Ok boys n gals...over the years I have developed a tcp/udp/ip stack with BSD like socket interface and successfully used it with few embedded projects. I think its about time I...
Tue. Aug 15, 2017 - 12:51 AM
Using __attribute__((aligned(4))) on data structs
So here is what happened....I have a project compiled to give about 180KB code (+32KB bootloader)...for a 256K ATSAM21 32 bit chip. Surprisingly the compiler warned me that one of...
Thu. Jul 20, 2017 - 12:33 AM
Shortage of ATSAMD21J18A-AU*
Hi guyss...seems we have a global shortage of ATSAMD21J18A-AU*? Anyone could suggest any options? I need one or two quick...for development works...while I wait for the rest.
Mon. Jul 17, 2017 - 09:07 AM
ATSAMD21 series with larger Flash and SRAM
Titles says it all... I wondered if there is a reason why M0+ chips do not come in larger flash sizes and offer bigger SRAM. I think these chips have great potentials with such...
Tue. Jul 11, 2017 - 01:50 AM
Xmodem sends a multiple of 128 bytes?
I am trying to send a file using TeraTerm using 128B size Xmodem transfer. I receive using ATSAMD21. It seems to be the PC is always sending a multiple of 128B? I would have...
Sat. Jun 3, 2017 - 01:41 AM
Windows USB CDC Serial Issue
I am seeing the following behaviour upon enumeration of my ATSAMD21 (not important) as USB CDC device. Get device descriptor. Assign Address. Get device descriptor. Get Strings....
Thu. May 18, 2017 - 10:18 PM
ATSAMD21 SPI is doing my head in...
Ok I have done this numerous times with other Atmel chips...UC3, AVR, ATSAME70 and so on...but only this time with ATSAMD21...and its not working. I am connecting a flash...
Sun. Apr 30, 2017 - 01:30 AM

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