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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-19 21:08:07 +00:00

fix(core): prevent overloading app with touch events

[no changelog]
This commit is contained in:
tychovrahe 2024-05-22 22:19:14 +02:00 committed by TychoVrahe
parent 1be6208a02
commit b178c10e8b
4 changed files with 46 additions and 31 deletions

View File

@ -31,6 +31,7 @@
#define POLL_WRITE (0x0100)
extern bool usb_connected_previously;
extern uint32_t last_touch_sample_time;
/// package: trezorio.__init__
@ -84,8 +85,15 @@ STATIC mp_obj_t mod_trezorio_poll(mp_obj_t ifaces, mp_obj_t list_ref,
}
#if defined USE_TOUCH
else if (iface == TOUCH_IFACE) {
const uint32_t evt = touch_read();
if (evt) {
// ignore TOUCH_MOVE events if they are too frequent
if ((evt & TOUCH_MOVE) == 0 ||
(hal_ticks_ms() - last_touch_sample_time > 10)) {
last_touch_sample_time = hal_ticks_ms();
mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR(mp_obj_new_tuple(3, NULL));
const uint32_t etype = (evt >> 24) & 0xFFU; // event type
const uint32_t ex = (evt >> 12) & 0xFFFU; // x position
@ -117,6 +125,7 @@ STATIC mp_obj_t mod_trezorio_poll(mp_obj_t ifaces, mp_obj_t list_ref,
ret->items[1] = MP_OBJ_FROM_PTR(tuple);
return mp_const_true;
}
}
} else if (iface == USB_DATA_IFACE) {
bool usb_connected = usb_configured() == sectrue ? true : false;
if (usb_connected != usb_connected_previously) {

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@ -35,6 +35,8 @@
// Whether USB data pins were connected on last check (USB configured)
bool usb_connected_previously = true;
uint32_t last_touch_sample_time = 0;
#define CHECK_PARAM_RANGE(value, minimum, maximum) \
if (value < minimum || value > maximum) { \
mp_raise_ValueError(#value " is out of range"); \

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@ -266,7 +266,12 @@ uint32_t touch_read(void) {
touching = 1;
return TOUCH_START | xy;
} else if ((number_of_touch_points == 1) && (event_flag == EVENT_CONTACT)) {
if (touching) {
return TOUCH_MOVE | xy;
} else {
touching = 1;
return TOUCH_START | xy;
}
} else if ((number_of_touch_points == 0) && (event_flag == EVENT_LIFT_UP)) {
touching = 0;
return TOUCH_END | xy;

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@ -211,7 +211,6 @@ uint32_t touch_read(void) {
if (ev_type != 0) {
_touch_x = ev_x;
_touch_y = ev_y;
break;
}
}
return ev_type | touch_pack_xy(ev_x, ev_y);