mirror of https://github.com/ARMmbed/mbed-os.git
33 lines
561 B
C++
33 lines
561 B
C++
#include "mbed.h"
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#if defined(TARGET_K64F)
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#define TEST_LED D9
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#elif defined(TARGET_NUCLEO_F103RB)
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#define TEST_LED D3
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#else
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#error This test is not supported on this target.
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#endif
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PwmOut led(TEST_LED);
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int main() {
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float crt = 1.0, delta = 0.05;
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led.period_ms(2); // 500Hz
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while (true) {
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led.write(crt);
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wait_ms(50);
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crt = crt + delta;
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if (crt > 1.0) {
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crt = 1.0;
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delta = -delta;
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}
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else if (crt < 0) {
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crt = 0;
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delta = -delta;
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}
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}
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}
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