Bare Metal Program - Adafruit RP2040 LoRa - Feather
First time MCU programmer here. The current goal is a minimalistic firmware with basics, defining the memory map, booting, setting clocks, and blinking an led. Using C language. Raspberry’s RP2040 is an Arm cortex M0+. No plans to play with the LoRa chip right now. Considering I am an embedded systems beginner I figured it’s worth it to reach out to community to see if there are obvious speed bumps I haven’t recognized with this board:
https://www.adafruit.com/product/5714
RP2040 32-bit Cortex M0+ dual core
ROM in the processor
264 KB RAM
8 MB SPI FLASH
Reset button and Bootloader select button
12 MHz crystal
Follows Adafruit feather board specifications
https://www.adafruit.com/product/5714
RP2040 32-bit Cortex M0+ dual core
ROM in the processor
264 KB RAM
8 MB SPI FLASH
Reset button and Bootloader select button
12 MHz crystal
Follows Adafruit feather board specifications
This is the Adafruit Feather RP2040 RF95 LoRa Radio. We call these RadioFruits, our take on a microcontroller with a "Long Range (LoRa)" packet radio ...
