I have the following project with 4 deliverables. The cost of the first deliverable is $ 100. The cost of the second deliverable is $ 300. The third deliverable is $ 200 and the fourth deliverable is $ 100. Here is a description of the project " Project Overview I am migrating a thermal sensor system from an ATtiny861 to an ATSAMD21 (ARM Cortex-M0+). I am looking for a professional who can not only build a modular C++ firmware architecture but also provide full technical support in setting up my local development environment and debugging tools. Phase 0: Infrastructure & Environment Setup (Priority) Before the firmware tasks begin, you will guide me through the following: • IDE Installation: Direct me to the correct version of Microchip Studio (Atmel Studio) or a modern equivalent (e.g., VS Code + PlatformIO) and ensure it is configured correctly on my machine. • Debugger Configuration: Provide step-by-step guidance on connecting and configuring the hardware debugger (e.g., Atmel-ICE or EDBG). • Connection Test: Verify that the SAMD21 target is correctly detected and that we can perform a "Blinky" test to confirm the hardware/software link. Phase 1: Core Modular Firmware Development Once the environment is stable, you will develop the following: 1. Hardware Abstraction Layer (HAL): Create board_pins.h/cpp to manage all GPIO, 2x PWM, and ADC. No direct register access is allowed in the main application logic. 2. Live Parameter Interface: Design an ASCII protocol via USB CDC (e.g., SET PWM 1200) to update parameters live without recompiling. 3. Data Transmission & Visualization: Implement a routine to send stored test data (20 rows of 15 thermocouple values) to a PC and provide a Python script to plot these curves in real-time. Technical Requirements • Expertise: Deep knowledge of ATSAMD21 peripherals and ARM Cortex-M0+ architecture. • Architecture: Proven experience in designing modular, scalable Embedded C++ (No Arduino framework unless strictly necessary). • Communication: Ability to explain technical setup steps to a non-expert and document a clear serial protocol. • Tools: Proficiency in Microchip Studio, Python (for plotting), and serial terminal software like Tera Term. Deliverables • Fully configured local development and debugging environment. • Modular SAMD21 source code (Clean, commented C++). • Python plotting script for data verification. • Simple "How-to" guide for updating parameters via the serial interface.