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Dependencies: mbed
Diff: main.cpp
- Revision:
- 1:6e1e4116e0bd
- Parent:
- 0:4db87cec0fe6
diff -r 4db87cec0fe6 -r 6e1e4116e0bd main.cpp --- a/main.cpp Wed Dec 23 08:01:02 2020 +0000 +++ b/main.cpp Wed Dec 23 08:20:22 2020 +0000 @@ -1,7 +1,7 @@ #include "mbed.h" DigitalOut LED(LED1); -DigitalIn(USER_BUTTON); +DigitalIn button(USER_BUTTON); Serial pc(USBTX, USBRX、115200); // tx, rx int main() { @@ -9,7 +9,7 @@ wait_ms(200); LED = !LED; pc.printf("success\t"); - if (USER_BUTTON) pc.printf("button is on"); + if (button) pc.printf("button is on"); pc.printf("\r\n"); } } \ No newline at end of file