Firmware Design of STM32 ARM Cortex Sensor PCB in C Compiled with GCC

Firmware Design of STM32 ARM Cortex Sensor PCB in C Compiled with GCC Project Objectives: – Understand elements of a small PCB design, sensor data and signals – Consultant to write and test firmware for said PCB. Fully documented code required. Target Price for Project: US$750 or less Expertise Required: – C – GCC – Signal Processing – Circuit Design – Knowledge of Delta-Sigma ADCs Inputs: – Altium .schdoc, .pcbdoc, .prjpcb and .prjpcbstructure files + Altium Source files – 3D Models – BOM, gerber, source files – Datasheets – Reference Docs – Actual PCB, if needed. Key Components on Board: – Operational Amplifiers - Op Amps CMOS QUAD RRIO OP AMP – 100mA Ultra-Low Dropout Regulators With Shutdown – Switched Capacitor Voltage Converter Negative 250-mA Low-Dropout Regulator With – – Reverse Current Protection 250-mA Low-Dropout Regulator With Reverse Current – – Protection Analogue Switch ICs Quad Single USB 2.0 ESD protection to IEC 61000-4-2 – level 4 Digital to Analog Converters - DAC 12-Bit 4Ch Precision DAC STM32 ARM Cortex-– – M4 32b MCU+FPU, 210DMIPS, 1MB Flash/192+4KB RAM, USB, Ethernet, 17 TIMs, 3 ADCs – SINGLE-CHIP USB TO UART BRIDGE 24-bit, delta-sigma ADC Deliverables: – Tested and confirmed firmware – Documented unit tests required – Fully documented code required. – Must use C and GCC compiler Please answer these questions in your bid: 1. What is your experience with signal processing for analog inputs? 2. What is your experience with microcontroller interfaces to other logic ICs and experience with I2C and SPI? 3. What is your experience with output to serial and USB and ensuring data is transmitted with integrity? 4. What are your unit testing and documentation practices? Additional Requirements: 1. Please PM if you have any specific questions. 2. All work related to this project is to be owned by us. A signed innovation assignment agreement and a NDA is required. 3. All vendors agree to assign and does hereby assign to the contest host, bidhere23, (or any person or entity designated by the host) all his/her right, title and interest in and to all Developments and all related patents, patent applications, copyrights and copyright applications, designs, output, and other intellectual property delivered as part of this contest. 4. All vendors agree that all information and know-how, whether or not in writing, of a private, secret or confidential nature concerning the host’s business (collectively, “Proprietary Information”) is and shall be the exclusive property of the host.