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Can you over-feed a dog? I'm running an ATSAML11 (Cortex M0+) and FreeRTOS with WDT enabled. I was getting sporadic WDT resets, which I traced to this code: static int initiate_tx(const uint8_t *... |
Friday, 18 September 2020 - 18:36 |
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Are PORT pullups available when the port is assigned to another function? On our SAME54 project, I just instructed our HW engineer to remove the external pullups for the SD/MMC. My reasoning is twofold, but possibly misguided: I've read... |
Thursday, 27 August 2020 - 19:00 |
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START generating incorrect tc.c for PWM? Goal: I want to generate a single-slope PWM signal on PD0 of my ATxmega16D4. Issue: Atmel START appears to be generating incorrect code, in particular, not... |
Sunday, 23 August 2020 - 00:27 |
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printing peripheral registers using debughooks.py I'm trying to dump the contents of peripheral registers in a SAML22. With help from a few previous threads (mostly guided by meolsen's steady hand): ... |
Sunday, 16 August 2020 - 04:43 |
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debughooks.py problems... (UPDATE: this started as a question about dumping all the peripheral registers, but has morphed into a potentially more useful question about creating a simple debughooks.py... |
Saturday, 15 August 2020 - 05:11 |
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SAMD21 fails to wake from STANDBY sleep Note: this is clearly related to SAMD21 (SAMD21E16B) sporadically locks up and does not wake up from STANDBY sleep mode but this example *always* locks up and does not involve... |
Wednesday, 12 August 2020 - 14:43 |
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wake from sleep with and without debugger On my ATSAMD21 Xplained Pro board, I have a relatively simple program that drives the RTC from the OSCULP32K and does the following: sets the RTC COMPARE register for 1 second in... |
Monday, 3 August 2020 - 13:24 |
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Creating a custom serial driver w/o modifying ASF4 files This may be a fool's errand, but I'd like to create a custom serial driver (more on that in a moment) and I'd prefer not to monkey patch any of the ASF4 / START source files.... |
Wednesday, 29 July 2020 - 03:45 |
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SAMD21 has insomnia [Solved] Problem statement: I want my SAMD21 to wake on an RTC (match) interrupt or EXTIRQ button push, but it continues immediately from the __WFI statement. My hunch is that there... |
Saturday, 18 July 2020 - 21:58 |
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SAMD21: setting RTC COMP clears READREQ.RCONT (!?!) This is related to: https://community.atmel.com/foru... It appears that simply setting the RTC COMP register using the ASF4 api clears the RTC.READREQ.... |
Saturday, 18 July 2020 - 20:26 |
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Wake from STANDBY upon receiving a character? I have a nagging suspicion this has been asked before, but: Is there a way to wake the processor from STANDBY state on a USART received character AND not lose the character... |
Sunday, 5 July 2020 - 21:13 |
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Can two Event Generators trigger one Event Channel? Can two Event Generators trigger one Event Channel? Or -- more or less equivalently -- can two Event Channels trigger the same action in an Event user? In my case, I... |
Monday, 25 May 2020 - 04:53 |