Post Created date
SAMD20 wakeup from sleep period
I understand interrupts wake up the processor.  What wasnt clear from the START configuration is how to generate that interrupt.  I assumed it could come from a task...
Tuesday, 10 December 2019 - 19:28
SAMD20 wakeup from sleep period
Unfortunately I began this project with Atmel START and I don't have the luxury of starting over.  Nevertheless, I think I found a solution.  As I mentioned before, a "...
Tuesday, 10 December 2019 - 19:00
SAMD20 wakeup from sleep period
Monday, 9 December 2019 - 19:12
SAMD21 (SAMD21E16B) sporadically locks up and does not wake up from STANDBY sleep mode
Having the same problem with lockups during sleep on a SAMD20J18.   I tried the approach to disabling systick interrupts before sleeping then re-enabling but the MCU no...
Monday, 2 December 2019 - 23:12
SAMD20 bootloader source code
Resurrecting this thread.     Maybe I am missing something but when I search for AT04189 on the Microchip website I get a link to the app note but I don't see a...
Wednesday, 9 October 2019 - 22:07
Using SERCOM I2C for SMBus on SAMDA1
Documentation isnt clear on how these functions behave so I made an assumption.   I took the time to understand this I2C driver better by stepping through the code and...
Tuesday, 21 August 2018 - 16:24
Using SERCOM I2C for SMBus on SAMDA1
For clarity I should note that I expected "i2c_master_read_packet_wait" to return a 16-bit word but after the first byte is received from the slave, the master transmits a...
Monday, 20 August 2018 - 13:33