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Lab Assignment: Device Interfacing w/ SPI + Data Structures
To learn how to create a single dynamic thread-safe driver for Synchronous Serial Port and to co...
Lab Assignment: UART
Objective To learn how to communicate between two master devices using UART. Assignment This a...
C vs. C++
Typically, C design pattern to create a re-usable module is performed like so: typedef struc...
Task Resuming & Suspending
A freeRTOS task that is currently running can be suspended by another task or by its own task. A ...
Critical Section
Objective To go over Critical Sections in an application as well as other kernel API calls that...
Semaphores Family
Binary Semaphore Counting Semaphore Mutex Recursive Mutex
GPIO
Objective To be able to General Purpose Input Output (GPIO), to generate digital output signals ...
ADC (Analog to Digital Converter)
Objective To learn about the use of ADCs, their different types, their related parameters, and h...
Pin Selection and Pin Mode
Objective Know how to select a specific functionality of a given LPC17xx pin. Know how to select...
EventGroups
Event group APIs can be used to monitor a set of tasks. A software watchdog in an embedded system...
Watchdogs
Watchdog is a timer which can continuously check if there is any malfunction in the system operat...
External Components
ADC Ultrasonic Proximity Sensor #include “adc0.h” int main(void) { int reading = 0;...
Block Diagrams
Board Block Diagrams The block diagrams below show the connectivity to various different chips o...
Adding Additional Source Code
C++ File Adding C++ code is simple. Simply add your *.hpp and *.cpp files and you are good to go...
Command Line Interface
Add a Terminal Command /* At terminal.cpp, add the following code at the taskEntry() function */...
FreeRTOS
FreeRTOS void vTaskCode( void * pvParameters ) { /* Grab Parameter */ uint32_t c = (u...
Debugging a crash
Debugging a Crash When the crash happens, it will print some useful info upon next boot, and it ...
Services
Timer Services Getting system time using C libraries is an option, but you can also get time dir...
Basic IO
GPIO #include "gpio.hpp" #include "utilities.h" int main(void) { /* Use P1.20 as Genera...