21 lines
535 B
C++
21 lines
535 B
C++
//
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// Button Example for STM32F411 Discovery Board
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// This example reads the state of the user button and prints it to the serial monitor
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// The user button is connected to pin PA0: pressed gives 1, released gives 0
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// Compile with
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// - USB Support: CDC generic Serial suppercedes USART
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// - USART Support: Enabled (Generic Serial)
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//
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#define USER_BUTTON PA0
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void setup() {
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Serial.begin(9600);
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pinMode(USER_BUTTON, INPUT);
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}
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void loop() {
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bool active = digitalRead(USER_BUTTON);
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Serial.println(active);
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delay(1000);
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}
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