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SAMD21 Program Memory - Storing static data - PROGMEM?
I've searched the ASF docs and can not seem to find any information on how to store data in Program Memory e.g PROGMEM. In AVR we use Progmem, but I cant seem to find an...
Sunday, 7 August 2016 - 01:11
SAMD21 NVM - Total Number of Rows
I am getting familiar with NVM and my SAMD21J18A (SamD21 xplained Pro). I have a question in regards to the number of rows I can use for memory. According to the NVM documentation...
Sunday, 31 July 2016 - 20:55
SAMD21 - EEPROM emulator service - non volatile memory
Hi, I am using the the example EEPROM emulator service project for the SAMD21. I modified it slightly as I am learning how to read and write data. In the below example,  on...
Friday, 22 July 2016 - 12:03
Pass a char array in a const uint8_t *const data
I have an argument which expects a "const uint8_t *const data". What is the best way to pass   char data[10] = "Hello World";  into   const uint8_t *const data...
Friday, 22 July 2016 - 01:34
SAMD21 - SPI Help with MCP23S17
I've recently picked up a SAMD21 Xplained Pro (SAMD21J18A) and started to go through the getting started examples. I am currently working on the SPI Callback example. It looks...
Monday, 18 July 2016 - 10:55
SAMD21 Xplained Pro Operating Frequency
Hi, Perhaps this is a dumb question. I have picked up a SAMD21 Xplained pro which has a SAMD21J18A chip. The SAMD21J18A can run up to 48 mHz and comes with a 32 kHz external...
Wednesday, 13 July 2016 - 23:17
Samd21 setting interrupt on port b pin
Hi, I just picked up a Samd21 Xplain pro. I am starting out with the getting started example which covers the basics of handling inputs. Based on the example, I am able to set an...
Wednesday, 13 July 2016 - 00:09
2n7000 Disconnecting ground - ESP8266
I have the below "dumbed down" circuit which has an ESP8266 that receives some data from a server. At start up, I set PB0 high to apply voltage to the 2n7000 gate. After I receive...
Saturday, 11 June 2016 - 22:05
Suggestion for external interrupt
I've been working on my home automation project for about a year now (plugging a way at it as time permits). One of the parts of the project is an atmega328 temperature sensor for...
Tuesday, 31 May 2016 - 00:32
Display Module for SAM E70 Xplained Evaluation Kit
I am thinking about getting a SAM E70 Xplained Evaluation Kit to do process (view) video. Does anyone recommend a display module I should start with that will work will with...
Sunday, 22 May 2016 - 19:10
How does the AVR compiler interpret inline static?
I was reading through the Arduino SPI library and there are some functions defined as inline static. For example.. inline static void beginTransaction(SPISettings settings...
Wednesday, 11 May 2016 - 00:41
AS7 Trouble setting F_CPU correctly
I am setting the F_CPU for my project in setting the F_CPU to in Properties>Tool Chain>AVR/GNU C Compiler>Symbols & Properties>Tool Chain>AVR/GNU C++ Compiler...
Saturday, 7 May 2016 - 13:31

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