Nicolas Duchoud
/
host_keyboard
usb keyboard
Diff: main.cpp
- Revision:
- 0:1c8a9f40d32c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Jul 25 06:52:50 2019 +0000 @@ -0,0 +1,34 @@ +#include "mbed.h" +#include "USBHostKeyboard.h" + +DigitalOut led(LED1); + +void onKey(uint8_t key) { + printf("Key: %c\r\n", key); +} + +void keyboard_task(void const *) { + + USBHostKeyboard keyboard; + + while(1) { + // try to connect a USB keyboard + while(!keyboard.connect()) + Thread::wait(500); + + // when connected, attach handler called on keyboard event + keyboard.attach(onKey); + + // wait until the keyboard is disconnected + while(keyboard.connected()) + Thread::wait(500); + } +} + +int main() { + Thread keyboardTask(keyboard_task, NULL, osPriorityNormal, 256 * 4); + while(1) { + led=!led; + Thread::wait(500); + } +}