DevTerm/Code/devterm_keyboard/trackball.ino
2021-03-29 19:32:40 +08:00

54 lines
1.1 KiB
C++

/*
* clockworkpi devterm trackball
*/
#include "keys_io_map.h"
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <USBComposite.h>
#include "trackball.h"
int btn_state;
int btn_read_state;
unsigned long btn_current_action_time;
unsigned long btn_last_action_time;
// mouse move
int x_move, y_move;
Direction x_direction(LEFT_PIN, RIGHT_PIN);
Direction y_direction(UP_PIN, DOWN_PIN);
void trackball_task(DEVTERM*dv) {
btn_read_state = digitalRead(BTN_PIN);
if(btn_read_state != btn_state) {
btn_current_action_time = millis();
if(btn_current_action_time - btn_last_action_time > BOUNCE_INTERVAL) {
btn_state = btn_read_state;
btn_last_action_time = btn_current_action_time;
if(btn_state == HIGH) {
dv->Mouse->release();
} else {
dv->Mouse->press();
}
}
}
x_move = x_direction.read_action();
y_move = y_direction.read_action();
if(x_move != 0 || y_move != 0) {
dv->Mouse->move(x_move, y_move, 0);
}
}
void trackball_init(DEVTERM*){
pinMode(BTN_PIN,INPUT);
}