![](/media/cache/profiles/ndu.jpg.50x50_q85.jpg)
keyboard input, serial com test
Dependencies: mbed DISCO_L475VG_IOT01A_wifi TextLCD USBHost
src/input.cpp
- Committer:
- duchonic
- Date:
- 2019-08-15
- Revision:
- 6:9d975a9d2728
- Parent:
- 5:0466445897b8
File content as of revision 6:9d975a9d2728:
#include "mbed.h" #include "USBHostKeyboard.h" #include "inc/display.h" AnalogIn button(A0); // Init button (SELECT, LEFT, UP, DOWN, RIGHT) uint8_t lastKey; void onKey(uint8_t key) { lastKey = key; displayKey(key); printf("key:%c\n\r", key); } void keyboard_task(void const *) { USBHostKeyboard keyboard; while(1) { // try to connect a USB keyboard while(!keyboard.connect()) Thread::wait(500); printLine("connected",0); // when connected, attach handler called on keyboard event keyboard.attach(onKey); // wait until the keyboard is disconnected while(keyboard.connected()) Thread::wait(500); printLine("disconnected",0); } } void inputInit(void) { Thread keyboardTask(keyboard_task, NULL, osPriorityNormal, 256 * 4); printf("keyboard input thread created\n\r"); while(1) { Thread::wait(500); } } uint8_t getKey(void){ return lastKey; }