mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-29 17:48:10 +00:00
120 lines
4.6 KiB
C
120 lines
4.6 KiB
C
/*
|
|
* This file is part of the TREZOR project, https://trezor.io/
|
|
*
|
|
* Copyright (c) SatoshiLabs
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "embed/extmod/trezorobj.h"
|
|
|
|
#include "usb.h"
|
|
|
|
#define TOUCH_IFACE (255)
|
|
#define POLL_READ (0x0000)
|
|
#define POLL_WRITE (0x0100)
|
|
|
|
#define CHECK_PARAM_RANGE(value, minimum, maximum) \
|
|
if (value < minimum || value > maximum) { \
|
|
mp_raise_ValueError(#value " is out of range"); \
|
|
}
|
|
|
|
/// def poll(ifaces: Iterable[int], list_ref: List, timeout_us: int) -> bool:
|
|
/// '''
|
|
/// Wait until one of `ifaces` is ready to read or write (using masks
|
|
// `io.POLL_READ` and `io.POLL_WRITE`) and assign the result into
|
|
/// `list_ref`:
|
|
///
|
|
/// `list_ref[0]` - the interface number, including the mask
|
|
/// `list_ref[1]` - for touch event, tuple of (event_type, x_position, y_position)
|
|
/// - for USB read event, received bytes
|
|
///
|
|
/// If timeout occurs, False is returned, True otherwise.
|
|
/// '''
|
|
STATIC mp_obj_t mod_trezorio_poll(mp_obj_t ifaces, mp_obj_t list_ref, mp_obj_t timeout_us) {
|
|
mp_obj_list_t *ret = MP_OBJ_TO_PTR(list_ref);
|
|
if (!MP_OBJ_IS_TYPE(list_ref, &mp_type_list) || ret->len < 2) {
|
|
mp_raise_TypeError("invalid list_ref");
|
|
}
|
|
|
|
const mp_uint_t timeout = trezor_obj_get_uint(timeout_us);
|
|
const mp_uint_t deadline = mp_hal_ticks_us() + timeout;
|
|
mp_obj_iter_buf_t iterbuf;
|
|
|
|
for (;;) {
|
|
mp_obj_t iter = mp_getiter(ifaces, &iterbuf);
|
|
mp_obj_t item;
|
|
while ((item = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
|
|
const mp_uint_t i = trezor_obj_get_uint(item);
|
|
const mp_uint_t iface = i & 0x00FF;
|
|
const mp_uint_t mode = i & 0xFF00;
|
|
|
|
if (iface == TOUCH_IFACE) {
|
|
const uint32_t evt = touch_read();
|
|
if (evt) {
|
|
mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR(mp_obj_new_tuple(3, NULL));
|
|
tuple->items[0] = MP_OBJ_NEW_SMALL_INT((evt >> 24) & 0xFFU); // event type
|
|
tuple->items[1] = MP_OBJ_NEW_SMALL_INT((evt >> 12) & 0xFFFU); // x position
|
|
tuple->items[2] = MP_OBJ_NEW_SMALL_INT(evt & 0xFFFU); // y position
|
|
ret->items[0] = MP_OBJ_NEW_SMALL_INT(i);
|
|
ret->items[1] = MP_OBJ_FROM_PTR(tuple);
|
|
return mp_const_true;
|
|
}
|
|
} else
|
|
if (mode == POLL_READ) {
|
|
if (sectrue == usb_hid_can_read(iface)) {
|
|
uint8_t buf[64];
|
|
int len = usb_hid_read(iface, buf, sizeof(buf));
|
|
if (len > 0) {
|
|
ret->items[0] = MP_OBJ_NEW_SMALL_INT(i);
|
|
ret->items[1] = mp_obj_new_bytes(buf, len);
|
|
return mp_const_true;
|
|
}
|
|
} else if (sectrue == usb_webusb_can_read(iface)) {
|
|
uint8_t buf[64];
|
|
int len = usb_webusb_read(iface, buf, sizeof(buf));
|
|
if (len > 0) {
|
|
ret->items[0] = MP_OBJ_NEW_SMALL_INT(i);
|
|
ret->items[1] = mp_obj_new_bytes(buf, len);
|
|
return mp_const_true;
|
|
}
|
|
}
|
|
} else
|
|
if (mode == POLL_WRITE) {
|
|
if (sectrue == usb_hid_can_write(iface)) {
|
|
ret->items[0] = MP_OBJ_NEW_SMALL_INT(i);
|
|
ret->items[1] = mp_const_none;
|
|
return mp_const_true;
|
|
} else if (sectrue == usb_webusb_can_write(iface)) {
|
|
ret->items[0] = MP_OBJ_NEW_SMALL_INT(i);
|
|
ret->items[1] = mp_const_none;
|
|
return mp_const_true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mp_hal_ticks_us() >= deadline) {
|
|
break;
|
|
} else {
|
|
MICROPY_EVENT_POLL_HOOK
|
|
}
|
|
}
|
|
|
|
return mp_const_false;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_trezorio_poll_obj, mod_trezorio_poll);
|