Recently Updated Pages
UART using GPIO
The objective of this assignment is to emulate UART in software. You will use a GPIO pin to trans...
DMA and Timer Integration
In this assignment, we will use multiple CPU peripherals and allow them to talk to each other...
RTOS Trace
Overview FreeRTOS trace is a third party library developed by Percepio; please check them out he...
Hardware Timer
A hardware timer is a time tracking peripheral that runs independent of the foreground CPU instru...
GPIO - LED and Switch Interface
Objective The objective of the assignment is to access microcontroller's port-pins to manipulate...
Preparation for Labs
C programming basics Functions Structures Pointers Bit Masking Tutorial Basic parts and t...
Unit Testing code that touches the HW registers
This article guides you on how to unit-test code that reads or writes hardware registers of you...
Use single periodic callback if possible
The problem with multiple callbacks is that the higher rate can interrupt a lower rate callback. ...
System Calls
TODO stdio memory
Required reference material
Useful Knowledge
Code Modularity
Code should be broken apart into smaller pieces which has advantages: Small code modules are ea...
Switch / Case Statements
Normally switch / case statements are encouraged. Here is an article that is sort of against it.
Coding Standards
Existing Code Structure Remember that consistency is more important than standards. That means...
Lookup Tables
Objective To discuss lookup tables and how to use them to sacrifice storage space to increase co...
Binary Semaphores
Semaphores are used to signal/synchronize tasks as well as protect resources. A binary semapho...
I²C (Inter-Integrated Circuit)
What is I2C I2C is pronounced "eye-squared see". It is also known as "TWI" because of the initia...
I2C Slave Lab Assignment
Objective Get hands on experience working with and understanding how I2C works by implementing a...
Watchdogs
Please follow the steps precisely in order to complete the objectives of the assignment. Create...
FreeRTOS Primitives, Data structures, and inter-task communication
Binary Semaphore Semaphores are used to signal/synchronize tasks as well as protect resources. ...
Lab Assignment: UART
Objective To learn how to communicate between two master devices using UART. Assignment This a...