Two boards communication, non-blocking mode

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Two boards communication, non-blocking mode

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Board #1, demo File: uart_board1_blocking_demo.mdl

Build and program the demo model below to STM32F4DISCOVERY board #1

uart_demo_nonblocking_board1

 

Board #2, demo File: uart_board2_blocking_demo.mdl

Build and program the demo model below to STM32F4DISCOVERY board #2

uart_demo_nonblocking_board2

Description

This demo showing communication between 2 board using UART non-blocking mode.

Hardware Setup

This demo tested with below hardware setup.

uart_hwsetup_twoboards_2

Warning: To make change on hardware setup, please disconnect power supply first, to prevent damage to the boards.

What should be happening?

LED1, LED2 and LED3 of Board #2 will blink with difference frequency: 1Hz, 2Hz and 4Hz respectively.