Jingtian Dang / Mbed 2 deprecated USB_keyboard

DJT

Dependencies:   mbed USBHost

main.cpp

Committer:
yutation
Date:
2021-09-21
Revision:
0:1668dc5479ac

File content as of revision 0:1668dc5479ac:

#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);
    }
}