Mbed C++ Relay Toggle - Mbed-cpp Typing CST Test
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Mbed C++ Relay Toggle — Mbed-cpp Code
Simulates a relay switch toggled by a button press.
#include "mbed.h"
DigitalOut relay(D2);
int state = 0;
void updateUI() {
printf("Relay is %s\n", state ? "ON" : "OFF");
relay = state;
}
void toggleRelay() {
state = !state;
updateUI();
}
int main() {
updateUI();
toggleRelay();
toggleRelay();
}Mbed-cpp Language Guide
Mbed OS (mbed-cpp) is an open-source embedded operating system and C++ framework designed for ARM Cortex-M microcontrollers. It provides a full-featured platform for building IoT devices, supporting real-time operating system capabilities, peripheral access, and connectivity.
Primary Use Cases
- ▸Professional IoT and embedded device development
- ▸Real-time applications with RTOS support
- ▸Networking and connected devices (Wi-Fi, BLE, LoRa, Ethernet)
- ▸Sensor and actuator control for robotics and automation
- ▸Prototyping and production-level embedded systems
Notable Features
- ▸RTOS with multi-threading, timers, and events
- ▸Hardware abstraction layer for peripherals
- ▸Connectivity stacks for Wi-Fi, BLE, Ethernet, LoRa, and cellular
- ▸Power management and low-power modes
- ▸Extensive C++ library ecosystem for embedded development
Origin & Creator
Developed by ARM Ltd. in 2009 to create a unified C++ platform for ARM Cortex-M microcontrollers and IoT devices.
Industrial Note
Mbed OS is widely used in industrial IoT, connected devices, wearable electronics, and embedded prototyping where professional-grade C++ performance and RTOS features are required.