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How to (safely) set RTC COMP?
Context: For power savings, I'm putting the SAMD21 into STANDBY mode until an RTC COMP interrupt wakes it back up.  (The RTC is driven from the OSCULP32K.)  The...
Sunday, 1 December 2019 - 15:11
HTTPS tunnel (proxy) on the WINC1500 as a client
Has anyone been able to establish an HTTPS tunnel to a server through a proxy using the WINC150?   Using the ASF4 client socket library, I've used the WINC1500 to connect to...
Saturday, 9 November 2019 - 20:38
Waking processor from STANDBY via SERCOM: RXS interrupt loop?
On my SAMD21, I'm using the OSCULP32K as a real-time clock: I can put the processor into STANDBY mode and on a RTC count match, it wakes the processor up.  Works fine....
Monday, 21 October 2019 - 18:34
Is there a small footprint ftoa (float to ascii) for SAM family?
I have an app for the SAMD21 (which I hope to port to other SAMx processors in the family) which needs to convert floating point numbers to ASCII strings.    With a...
Sunday, 20 October 2019 - 23:21
SAMD21: Enabling XOSC32K => GCLK1 => DFLL48M => GCLK2
 I have a SAMD21 XPlained board.  Using the 8MHz internal oscillator (divided down to 1MHz), I wasn't able to give the SERCOM a good enough clock to run at 115200 baud....
Friday, 18 October 2019 - 03:24
Is it possible to package AS7 Project as a Start File?
I know it's possible to create an entire projects embedded in an Atmel START file -- that's how the examples work.  But is it possible for us mere mortals to package a...
Tuesday, 15 October 2019 - 18:42
PORTx constants missing?
I created an Atmel START project for the XMEGA16D and imported it into Atmel Studio 7.  When I build the resulting project, most of the constants associated with PORT appear...
Wednesday, 24 July 2019 - 16:11
Studio 7 EDBG no longer recognized after installing IAREWARM
Short form:   What's the right recipe to get my Windows system to recognize the Xplained PRO boards via the EDBG interface?   Details:   This morning, I installed...
Saturday, 20 July 2019 - 19:44
delay_ms() / delay_us() / _delay_cycles() running too slow
On the Cortex M4, the following code is the basis for delay_ms() and delay_us(): void _delay_cycles(void *const hw, uint32_t cycles) { __asm("__delay:\n" "subs r1, r1, #1\n...
Monday, 3 June 2019 - 03:23
SAMD5x/E5x: waking from STANDBY via TC0 match interrupt
Short Form:   I'm trying to get my SAME54 to wake from STANDBY mode when there's a TC0 match interrupt.  The code (below) works when run under the debugger but fails to...
Friday, 24 May 2019 - 05:26
Atmel START / ASF4 example with TC in 32 bit mode?
Lars kindly helped me get my TC counter counting (see https://community.atmel.com/foru...), but I realized that TC0 is only reporting 16 bit values, even though I've...
Wednesday, 22 May 2019 - 22:03
TC0 not counting (SAM E54 Xplained)
Short form:    Trying to set up TC0 as a counter (mode 2, 32 bit, generate interrupt when COUNT == CC0), but the count is not advancing.  Minimal project file...
Tuesday, 21 May 2019 - 03:51

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