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History

cpq 82b50fd3a5 Pass MDC clock divider explicitly rather than guess		2022-09-12 23:57:04 +01:00
..
boot.c	Add baremetal example on Nucleo-F429ZI	2022-08-29 19:20:20 -03:00
link.ld	Add baremetal example on Nucleo-F429ZI	2022-08-29 19:20:20 -03:00
main.c	Pass MDC clock divider explicitly rather than guess	2022-09-12 23:57:04 +01:00
Makefile	Enable FPU	2022-09-02 11:18:11 -03:00
mcu.h	Formatting	2022-09-10 21:49:20 +01:00
README.md	Update README	2022-09-11 11:23:58 +01:00
syscalls.c	Add baremetal example on Nucleo-F429ZI	2022-08-29 19:20:20 -03:00

Baremetal webserver on NUCLEO-F429ZG

This firmware uses experimental TCP/IP stack of the Mongoose Network Library, which implements the following:

A complete HTTP device dashboard with:
- User authentication
- Real-time device data graph
- Coninfiguration display and update
- MQTT communication with a remote MQTT server
No dependencies: no HAL, no CMSIS, no RTOS
Hand-written mcu.h header based on a datasheet
Interrupt-driven Ethernet driver
Blue LED blinky, based on SysTick interrupt
User button handler, turns off/on green LED, based on EXTI, interrupt-driven
HardFault handler that blinks red LED
Debug log on UART3 (st-link)

Requirements

Plugin your Nucleo board into USB, and attach an Ethernet cable. To build and flash:

$ make clean flash

To see debug log, use any serial monitor program like picocom at 115200 bps and configure it to insert carriage returns after line feeds:

$ picocom /dev/ttyACM0 -i -b 115200 --imap=lfcrlf

For more details and benchmark data on MIP, check the F746ZG example