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Cortex M0+ hard fault documentation A program ends up with a hard fault. I couldn't find a detailed description of the registers used - for instance the document doesn't describe the exception number in... |
Tuesday, 18 February 2020 - 18:54 |
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const in declarations Could someone point me to an explanation of the use of const in declarations of variables.. There are few articles about the use of PROGMEM in AVRs. A utility like that on www.... |
Monday, 3 February 2020 - 17:32 |
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SAM-BA bootloader download Where can one find the SAM-BA monitor and PC application? The link in section 6.4 of the Application Note AT07175 doesn't point to it - the note doesn't even... |
Friday, 24 January 2020 - 19:44 |
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How do you assign processor pins to board functions? I'm working on the board design of a shield for an Arduino Zero. It needs all 23 processor pins which are connected to the shield. After a lot of laborious attempts it was... |
Monday, 19 August 2019 - 20:49 |
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SAMD21 SERCOM SPI, which pin can one use for SS slave select? I want to use a SAMD21 as SPI master with software control of the SS slave select signal (CTRLB.MSSEN = 0) One can configure which PADs of the SERCOM peripheral are used for... |
Wednesday, 17 July 2019 - 20:08 |
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SAMD21 variant D or L board Does anyone know of a breakout board with the newer SAMD21 variants D and L processors? These have an fourth TCC which is the same as the existing 24-bit TCC0, could... |
Wednesday, 20 March 2019 - 16:40 |
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SAMD21 GCLK->CLKCTRL.CLKEN not getting set What am I doing wrong? After running the code below the value of GCLK->CLKCTRL.CLKEN is not 1 for for all peripherals int main(void) { /* Store the value of CLKEN for each... |
Wednesday, 13 February 2019 - 22:05 |
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SAMD21 How to unstop a TC In order to change the TC->EVCTRL.EVACT value one has to disable the TC. As a result the STATUS.STOP bit is set. This is supposed to be cleared when one writes a RETRIGGER... |
Tuesday, 22 January 2019 - 21:54 |
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Can't get TCC0 or TCC1 to start counting I've been fighting for some time to persuade TCC and TCC1 to start timing. The board is a Sparkfun SAMD21 breakout with a SAMD21G18A Two TCs using the same GCLK as generator... |
Tuesday, 8 January 2019 - 20:24 |
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SAMD21 GCLK->CLKCTRL.CLKEN not getting set I reported a similar problem some time ago, but never got an answer which made it work The device is a SAMD21G21A in a Sparkfun breakout board GCLK2 GENDIV and GENCTRL is set up... |
Monday, 29 October 2018 - 21:20 |
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Retrigger event input action fro SAMD21 TC or TCC Perhaps a dumb question, but the SAMD21 datasheet isn't clear (to me) What does the event action RETRIGGER do when an event is received and the counter is running. Does it only... |
Monday, 29 October 2018 - 18:53 |
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AS 7 could not find Clarius..., could not load Fdk.Project On clicking Tools->Extensions and updates... in AS 7.0.131 on a 64-bit Win 10 notebook the error message appears: "Could not load file or assembly Clarius.DevStore.Client.... |
Thursday, 9 August 2018 - 18:29 |