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Code Issues Releases Wiki Activity

core/usb: Add write_blocking() to trezor.io.HID.

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This commit is contained in:
Andrew Kozlik 2019-08-08 15:37:05 +02:00
parent 5cbbcd0ce7
commit 84674a7463
3 changed files with 37 additions and 0 deletions
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19
core/embed/extmod/modtrezorio/modtrezorio-hid.h
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@ -128,10 +128,29 @@ STATIC mp_obj_t mod_trezorio_HID_write(mp_obj_t self, mp_obj_t msg) {
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorio_HID_write_obj,
mod_trezorio_HID_write);
/// def write_blocking(self, msg: bytes, timeout_ms: int) -> int:
/// """
/// Sends message using USB HID (device) or UDP (emulator).
/// """
STATIC mp_obj_t mod_trezorio_HID_write_blocking(mp_obj_t self, mp_obj_t msg,
mp_obj_t timeout_ms) {
mp_obj_HID_t *o = MP_OBJ_TO_PTR(self);
mp_buffer_info_t buf;
mp_get_buffer_raise(msg, &buf, MP_BUFFER_READ);
uint32_t timeout = trezor_obj_get_uint(timeout_ms);
ssize_t r =
usb_hid_write_blocking(o->info.iface_num, buf.buf, buf.len, timeout);
return MP_OBJ_NEW_SMALL_INT(r);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_trezorio_HID_write_blocking_obj,
mod_trezorio_HID_write_blocking);
STATIC const mp_rom_map_elem_t mod_trezorio_HID_locals_dict_table[] = {
{MP_ROM_QSTR(MP_QSTR_iface_num),
MP_ROM_PTR(&mod_trezorio_HID_iface_num_obj)},
{MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&mod_trezorio_HID_write_obj)},
{MP_ROM_QSTR(MP_QSTR_write_blocking),
MP_ROM_PTR(&mod_trezorio_HID_write_blocking_obj)},
};
STATIC MP_DEFINE_CONST_DICT(mod_trezorio_HID_locals_dict,
mod_trezorio_HID_locals_dict_table);

13
core/embed/unix/usb.c
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@ -24,6 +24,7 @@
#include <string.h>
#include <sys/poll.h>
#include <sys/socket.h>
#include <time.h>
#include "touch.h"
#include "usb.h"
@ -227,6 +228,18 @@ int usb_hid_write(uint8_t iface_num, const uint8_t *buf, uint32_t len) {
return usb_emulated_write(iface_num, buf, len);
}
int usb_hid_write_blocking(uint8_t iface_num, const uint8_t *buf, uint32_t len,
int timeout) {
const uint32_t start = clock();
while (sectrue != usb_hid_can_write(iface_num)) {
if (timeout >= 0 &&
(1000 * (clock() - start)) / CLOCKS_PER_SEC >= timeout) {
return 0; // Timeout
}
}
return usb_hid_write(iface_num, buf, len);
}
int usb_webusb_write(uint8_t iface_num, const uint8_t *buf, uint32_t len) {
if (iface_num >= USBD_MAX_NUM_INTERFACES ||
usb_ifaces[iface_num].type != USB_IFACE_TYPE_WEBUSB) {

5
core/mocks/generated/trezorio.pyi
View File

@ -171,6 +171,11 @@ class HID:
Sends message using USB HID (device) or UDP (emulator).
"""
def write_blocking(self, msg: bytes, timeout_ms: int) -> int:
"""
Sends message using USB HID (device) or UDP (emulator).
"""
# extmod/modtrezorio/modtrezorio-poll.h
def poll(ifaces: Iterable[int], list_ref: List, timeout_us: int) -> bool: