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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...
Fri. Aug 10, 2018 - 10:37 PM
Adding libtomcrypt to AS7 [Please Delete]
Adding libtomcrypt to AS7 [Please Delete]
Sat. Jul 21, 2018 - 01:02 PM
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...
Thu. Jul 5, 2018 - 12:10 AM
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...
Wed. Jun 27, 2018 - 10:51 AM
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...
Sat. Jun 23, 2018 - 12:04 AM
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...
Sat. Jun 16, 2018 - 08:30 PM
Writing firmware binary directly to NVM - SAMD21
I am working on a HTTP firmware bootloader. The application will download the latest firmware.bin file from a local server and store it in Flash via NVM.  NVM requires I...
Sun. May 27, 2018 - 02:09 PM
Splicing char array
I'm working on a project where I am getting data packets from a server. The data is received as a char array, and the length can be upwards of 1500 in size. Too big for me to...
Thu. May 24, 2018 - 11:52 PM
SAMD21 - Sleep Manager - wake without interrupt (SYSTICK)
I am using ASF Sleep Manager - Is it possible to wake the MCU from sleep at a certain time interval with SYSTICK?   volatile uint32_t g_ul_ms_ticks = 0; volatile bool...
Sun. Apr 15, 2018 - 02:26 PM
Sending structured data over serial to a PC app - best practice
I have small project where I am passing structured data over serial to a PC app. The data is used to provide a visual topology of my nr24L01+ star network. My question is in...
Sun. Mar 25, 2018 - 02:07 PM
nRF24L01+ max number of writes in its lifetime
I've been working on my nRF24L01+ library for my ATMEGA328, 2560 and SAMD21 MCUs. Currently the library supports a single star configuration (1 receiver, 5...
Wed. Feb 28, 2018 - 12:58 AM
WINC1500 on SAMD21 Extension 3
hi,   ASF has some nice examples on using the WINC1500 xplained pro with the SAMD21 xplained pro. The examples are configured to use EXT1. I need to you EXT3. I modify the...
Sun. Feb 11, 2018 - 02:32 PM

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