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ATMEGA2560 i2c issues
Hi,   I am using using Peter Fluery's i2c library for my ATMEGA2560. I am trying to do simple scan of the bus. I only have 1 device on the bus at address 0xC8, however the...
Sunday, 1 September 2019 - 12:30
Define varables in .ino used in a library
Hi,   I have ported microchip's cryptoauthlib to be used with an ATMEGA2560. The Lib implements a HAL interface for either i2c or SWI. I have implemented a SWI. In my...
Tuesday, 27 August 2019 - 12:03
Where can I buy this Anti-Static IC tube?
I am looking for some extra Anti-Static IC tubes for storing some SOIC chips. Does anyone know where I can buy these?   I did receive one when I purchased some ATAES132a...
Saturday, 17 August 2019 - 23:09
SAMD21 Timing issues
Hi - I am working on a SWI (Single Wire Interface) project. I am having timing issues with a ASF and a SAMD21 xplained pro. The single wire interface performs bit banging and it...
Sunday, 11 August 2019 - 14:17
ATSHA204a - CheckMac with Roll Key Operation
Hi,   I have a ATSHA204a configured to roll the key in slot 4 when the derivedKey command is executed. In the below example, I am able to reset the key to its original value...
Sunday, 23 June 2019 - 17:02
allow spaces with scanf
Hi - I am working on a SAMD21 project. I'm using the Stardard I/O module for receiving input from the user via USART. How do allow a space to be entered with scanf? I've...
Saturday, 27 October 2018 - 22:17
Memory out of bounds or read error - usart_serial_putchar
I am working on a library for the SAMD21 and ATAES132a. In my program's main loop, I do a scanf to get the users input. One of the options runs a complete test of the ATAES132a...
Friday, 10 August 2018 - 22:37
Adding libtomcrypt to AS7 [Please Delete]
Adding libtomcrypt to AS7 [Please Delete]
Saturday, 21 July 2018 - 13:02
ATSHA204a - Calculate the expected response
I am working with the ATSHA204A - CryptoAuthentication chip. The chip performs SHA256 Hash Algorithm with Message Authentication Code (MAC). I am able to hash the known key...
Thursday, 5 July 2018 - 00:10
ATAES132a MAC Generation for Decryption
This question is related to https://community.atmel.com/forum/ataes132a-help-decryption-mac-error   I am asking in a new thread because I believe my question has changed from...
Wednesday, 27 June 2018 - 10:51
ATAES132a Help with Decryption - MAC Error
I've been working with an ATAES132a, learning how to read/write memory over i2c with my SAMD21 xplained pro. To help me learn, I dropped $20 on a AT88CK590 Kit, which allows...
Saturday, 23 June 2018 - 00:04
ATAES132A i2c Write/Read help
I am working with a ATAES132A (AES Serial EEPROM) - I am using a SAMD21J18A (xplained pro) and ASF. I am trying to do a simple write/read operation to generate a Random number...
Saturday, 16 June 2018 - 20:30

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