Dear Madame/M-r,
We are a small R & D company, based in Bulgaria, Europe.
We work exclusively with U.S. partners.
We specialize in developing Embedded systems based ST(STM32), Microchip (Atmel )(PICs,AVR,Atmel ARM) and TI (MSP430) MCPUs and peripheries.
For our mobile devices use ESP32 and nRF51/52xxx BLEs.
We realize projects with requirements similar to yours ATSAM4S devices.
Our tools for design Microchip(Atmel SAM )based systems are:
Microchip Studio
IAR ARM
Keil ARM
SAM4S XPLAINED PRO EVALUATION KIT - in my office for quicly start
Atmel ICE
If we receive more information about your project, we will give you a real cost and time to implement your project.
Best
Valeri T.