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47 lines
2.1 KiB
Markdown
47 lines
2.1 KiB
Markdown
# Baremetal webserver on NUCLEO-F429ZI
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This firmware uses MIP, an experimental TCP/IP stack of the Mongoose Network Library,
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which implements the following:
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- A complete [HTTP device dashboard](../../device-dashboard) with:
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- User authentication
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- Real-time device data graph
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- Coninfiguration display and update
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- MQTT communication with a remote MQTT server
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- No dependencies: no HAL, no CMSIS, no RTOS
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- Hand-written [mcu.h](mcu.h) header based on a [datasheet](https://www.st.com/resource/en/reference_manual/rm0090-stm32f405415-stm32f407417-stm32f427437-and-stm32f429439-advanced-armbased-32bit-mcus-stmicroelectronics.pdf)
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- Interrupt-driven [Ethernet driver](../../../drivers/mip_driver_stm32.c)
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- Blue LED blinky, based on SysTick interrupt
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- User button handler, turns off/on green LED, based on EXTI, interrupt-driven
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- HardFault handler that blinks red LED
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- Debug log on UART3 (st-link)
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## Requirements
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- [GNU make](http://mongoose.ws/tutorials/tools/#gnu-make)
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- [ARM GCC](http://mongoose.ws/tutorials/tools/#arm-gcc)
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- [stlink](http://mongoose.ws/tutorials/tools/#stlink) for flashing
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The Makefile defaults to using Docker for the compiler, so you don't actually need to install it if you are using a Linux/Mac workstation. If you are not, or you want to run your local ARM compiler, just append `DOCKER=` to the make commands depicted below to call the compiler directly; it must be in your executable path.
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In any case, the links above will send you to tutorials on how to install each of those tools in your workstation for Linux, Mac, and Windows.
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## Usage
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Plugin your Nucleo board into USB, and attach an Ethernet cable.
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To build and flash:
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```sh
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$ make clean flash
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```
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To see debug log, use any serial monitor program like `picocom` at 115200 bps and configure it to insert carriage returns after line feeds:
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```sh
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$ picocom /dev/ttyACM0 -i -b 115200 --imap=lfcrlf
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```
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There is also a [detailed tutorial on this example](https://mongoose.ws/tutorials/stm32/nucleo-f746zg-baremetal/) but for the NUCLEO-F746ZG board
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For more details and benchmark data on MIP, check the [F746ZG example](../nucleo-f746zg-baremetal/)
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