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help with strange problem with async uart samd21j18
  so, i have this part of code: char data_write_usb[254] = {0}; void readUsbData() { memset(data_write_usb, 0, sizeof(data_write_usb)); uint8_t data_count_usb = 0; while(...
Wednesday, 21 September 2022 - 16:11
samd21 memmory overlaping problem
hi, i'm having a problem with memory overlaping, and don't know why.   the variable in question that cause the problem is this: class File : public Stream { private...
Monday, 18 July 2022 - 18:43
wierd problem with while loop and variable not getting correct value
  so i was trying to do a simple delay_ms in attiny426, here is the code:   #include <atmel_start.h> unsigned long millis_counter = 0; unsigend long millis(void...
Thursday, 30 June 2022 - 15:43
Help with USB_CDCD_ACM, sometimes garbage data, sometime correct data
Hi, i'm using samd21j16b. I tried using native usb functionality, with some progress, but i'm getting unestable results in communication. If i do a loop where i send data to usb...
Thursday, 9 June 2022 - 19:00
Atmel start Samd21j16b stuck at Reset_Handler(), _lib_init_array(), Dummy_Handler() when using LinkedList. HELP PLEASE!
I'm trying to port arduino ModbusSlave lib(https://github.com/lucasso/Modbu...), for generic use with samd.   I'm no expert in compiling and manual memory aloccation, so...
Tuesday, 31 May 2022 - 21:02
Help with samd21 external crystal Weird behaviour using Atmel Start
Hi, so i have a samd21j16b, with a 32khz external crystal. on setup if i have the tick on Exterla 32K Oscillator Enable, it won't start, it gets stuck waiting for PCLKSR....
Tuesday, 24 May 2022 - 21:56