74 lines
1.8 KiB
ReStructuredText
74 lines
1.8 KiB
ReStructuredText
.. _disco-sample:
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Disco demo
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##########
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Overview
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********
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A simple 'disco' demo. The demo assumes that 2 LEDs are connected to
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GPIO outputs of the MCU/board.
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Wiring
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******
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This sample should work on board with multiple built-in LEDs without any
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changes, otherwise, the code may need some changes before running on various
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board: set PORT, LED0 and LED1 according to the board's GPIO configuration.
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For example, on the following boards with additional LEDs, follow the
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instructions below:
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Nucleo-64 F103RB/F401RE boards
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==============================
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Connect two LEDs to PB5 and PB8 pins. PB5 is mapped to the
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Arduino's D4 pin and PB8 to Arduino's D15. For more details about
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these boards see:
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- https://developer.mbed.org/platforms/ST-Nucleo-F103RB/
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- https://developer.mbed.org/platforms/ST-Nucleo-F401RE/
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Building and Running
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*********************
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After startup, the program looks up a predefined GPIO device defined by 'PORT',
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and configures pins 'LED0' and 'LED1' in output mode. During each iteration of
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the main loop, the state of GPIO lines will be changed so that one of the lines
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is in high state, while the other is in low, thus switching the LEDs on and off
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in an alternating pattern.
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This project does not output to the serial console, but instead causes two LEDs
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connected to the GPIO device to blink in an alternating pattern.
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The sample can be found here: :file:`samples/basic/disco`.
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Nucleo F103RB
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=============
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.. zephyr-app-commands::
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:zephyr-app: samples/basic/disco
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:board: nucleo_f103rb
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:goals: build
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:compact:
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Nucleo F401RE
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=============
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.. zephyr-app-commands::
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:zephyr-app: samples/basic/disco
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:board: nucleo_f401re
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:goals: build
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:compact:
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reel Board
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==========
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.. zephyr-app-commands::
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:zephyr-app: samples/basic/disco
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:board: reel_board
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:goals: build
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:compact:
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