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W5500+STM32+SD web server

Multi-threaded HTTP server with SD memory card

WIZnet

Published February 14, 2023

Original author: GYUR22Original source (new tab)

W5500+STM32+SD web server

Components

Hardware components

WIZnet parts

Project description

MCU – STM32F100RBT SPI1 – W5500(Connection) SPI2 – SD Card LEDs – blue PC8 : SD card data green PC9 : successful initialization of SD card. When accessing the default server address, it accesses the index.htm file. When working, all all 8 sockets of the W5500 are used, due to this, multithreading is ensured. Number of state variables by number of sockets. Under equal conditions approximately as the ENC28j60, the maximum that I saw is ~130-140kb/s (since this also depends on the speed of working with the card, so the comparison may be incorrect because the SPI of the W5500 is up to 80MHz, and…

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