Two boards communication, blocking mode

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Two boards communication, 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_blocking_board1

 

Board #2, demo File: uart_board2_blocking_demo.mdl

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

uart_demo_blocking_board2

Description

This demo showing communication between 2 board. Board #1 is transmitter, by sending control information to Board #2 (receiver).

Hardware Setup

This demo tested with below hardware setup.

uart_hwsetup_twoboards_1

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

What should be happening?

After two boards running, LEDs of Board #2 will toggle every 250ms.