Nicolas Duchoud / Mbed 2 deprecated TestDeviceIot

keyboard input, serial com test

Dependencies:   mbed DISCO_L475VG_IOT01A_wifi TextLCD USBHost

src/input.cpp@5:0466445897b8, 2019-08-10 (annotated)

Committer:
duchonic
Date:
Sat Aug 10 08:34:41 2019 +0000
Revision:
5:0466445897b8
first

Who changed what in which revision?

UserRevisionLine numberNew contents of line
duchonic 5:0466445897b8 1 #include "mbed.h"
duchonic 5:0466445897b8 2 #include "USBHostKeyboard.h"
duchonic 5:0466445897b8 3 #include "inc/display.h"
duchonic 5:0466445897b8 4
duchonic 5:0466445897b8 5 AnalogIn button(A0); // Init button (SELECT, LEFT, UP, DOWN, RIGHT)
duchonic 5:0466445897b8 6
duchonic 5:0466445897b8 7 uint8_t lastKey;
duchonic 5:0466445897b8 8
duchonic 5:0466445897b8 9 void onKey(uint8_t key) {
duchonic 5:0466445897b8 10 lastKey = key;
duchonic 5:0466445897b8 11 displayKey(key);
duchonic 5:0466445897b8 12 printf("key:%c\n\r", key);
duchonic 5:0466445897b8 13 }
duchonic 5:0466445897b8 14
duchonic 5:0466445897b8 15
duchonic 5:0466445897b8 16 void keyboard_task(void const *) {
duchonic 5:0466445897b8 17
duchonic 5:0466445897b8 18 USBHostKeyboard keyboard;
duchonic 5:0466445897b8 19
duchonic 5:0466445897b8 20 while(1) {
duchonic 5:0466445897b8 21 // try to connect a USB keyboard
duchonic 5:0466445897b8 22 while(!keyboard.connect())
duchonic 5:0466445897b8 23 Thread::wait(500);
duchonic 5:0466445897b8 24
duchonic 5:0466445897b8 25 printLine("connected",0);
duchonic 5:0466445897b8 26 // when connected, attach handler called on keyboard event
duchonic 5:0466445897b8 27 keyboard.attach(onKey);
duchonic 5:0466445897b8 28
duchonic 5:0466445897b8 29 // wait until the keyboard is disconnected
duchonic 5:0466445897b8 30 while(keyboard.connected())
duchonic 5:0466445897b8 31 Thread::wait(500);
duchonic 5:0466445897b8 32 printLine("disconnected",0);
duchonic 5:0466445897b8 33 }
duchonic 5:0466445897b8 34 }
duchonic 5:0466445897b8 35
duchonic 5:0466445897b8 36 void inputInit(void) {
duchonic 5:0466445897b8 37 Thread keyboardTask(keyboard_task, NULL, osPriorityNormal, 256 * 4);
duchonic 5:0466445897b8 38 printf("keyboard input thread created\n\r");
duchonic 5:0466445897b8 39 while(1) {
duchonic 5:0466445897b8 40 Thread::wait(500);
duchonic 5:0466445897b8 41 }
duchonic 5:0466445897b8 42 }
duchonic 5:0466445897b8 43
duchonic 5:0466445897b8 44 uint8_t getKey(void){
duchonic 5:0466445897b8 45 return lastKey;
duchonic 5:0466445897b8 46 }