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modtrezormsg: store assigned used pages internally, add get_interfaces method

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Pavol Rusnak 2016-10-11 12:33:02 +02:00
parent 3f44dfedb5
commit a423d4602f
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GPG Key ID: 91F3B339B9A02A3D
3 changed files with 42 additions and 9 deletions
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37
extmod/modtrezormsg/modtrezormsg.c
View File

@ -25,8 +25,12 @@
#error Unsupported port. Only STMHAL and UNIX ports are supported.
#endif
#define MAX_INTERFACES 8
typedef struct _mp_obj_Msg_t {
mp_obj_base_t base;
uint16_t usage_pages[MAX_INTERFACES];
mp_uint_t interface_count;
} mp_obj_Msg_t;
STATIC mp_obj_t mod_TrezorMsg_Msg_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
@ -34,14 +38,15 @@ STATIC mp_obj_t mod_TrezorMsg_Msg_make_new(const mp_obj_type_t *type, size_t n_a
msg_init();
mp_obj_Msg_t *o = m_new_obj(mp_obj_Msg_t);
o->base.type = type;
o->interface_count = 0;
return MP_OBJ_FROM_PTR(o);
}
/// def trezor.msg.setup(ifaces: list) -> None:
/// def trezor.msg.set_interfaces(ifaces: list/tuple) -> None:
/// '''
/// Configures USB interfaces with a list of (usage_page, ...)
/// Configures USB interfaces with a list/tuple of (usage_page, ...)
/// '''
STATIC mp_obj_t mod_TrezorMsg_Msg_setup(mp_obj_t self, mp_obj_t ifaces) {
STATIC mp_obj_t mod_TrezorMsg_Msg_set_interfaces(mp_obj_t self, mp_obj_t ifaces) {
mp_uint_t iface_cnt;
mp_obj_t *usage_pages;
if (MP_OBJ_IS_TYPE(ifaces, &mp_type_tuple)) {
@ -52,13 +57,32 @@ STATIC mp_obj_t mod_TrezorMsg_Msg_setup(mp_obj_t self, mp_obj_t ifaces) {
} else {
mp_raise_TypeError("List or tuple expected");
}
if (iface_cnt > MAX_INTERFACES) {
mp_raise_ValueError("Maximum number of interfaces exceeded");
}
mp_obj_Msg_t *o = MP_OBJ_TO_PTR(self);
for (mp_uint_t i = 0; i < iface_cnt; i++) {
uint16_t usage_page = mp_obj_get_int(usage_pages[i]);
printf("iface %d: usage_page=%04x\n", i + 1, usage_page);
o->usage_pages[i] = usage_page;
}
o->interface_count = iface_cnt;
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorMsg_Msg_setup_obj, mod_TrezorMsg_Msg_setup);
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorMsg_Msg_set_interfaces_obj, mod_TrezorMsg_Msg_set_interfaces);
/// def trezor.msg.get_interfaces() -> tuple:
/// '''
/// Reads a tuple (of usage pages) of configured USB interfaces
/// '''
STATIC mp_obj_t mod_TrezorMsg_Msg_get_interfaces(mp_obj_t self) {
mp_obj_Msg_t *o = MP_OBJ_TO_PTR(self);
mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR(mp_obj_new_tuple(o->interface_count, NULL));
for (mp_uint_t i = 0; i < o->interface_count; i++) {
tuple->items[i] = MP_OBJ_NEW_SMALL_INT(o->usage_pages[i]);
}
return MP_OBJ_FROM_PTR(tuple);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_TrezorMsg_Msg_get_interfaces_obj, mod_TrezorMsg_Msg_get_interfaces);
/// def trezor.msg.send(usage_page: int, message: bytes) -> int:
/// '''
@ -122,7 +146,8 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorMsg_Msg_select_obj, mod_TrezorMsg_Msg
STATIC const mp_rom_map_elem_t mod_TrezorMsg_Msg_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_select), MP_ROM_PTR(&mod_TrezorMsg_Msg_select_obj) },
{ MP_ROM_QSTR(MP_QSTR_send), MP_ROM_PTR(&mod_TrezorMsg_Msg_send_obj) },
{ MP_ROM_QSTR(MP_QSTR_setup), MP_ROM_PTR(&mod_TrezorMsg_Msg_setup_obj) },
{ MP_ROM_QSTR(MP_QSTR_set_interfaces), MP_ROM_PTR(&mod_TrezorMsg_Msg_set_interfaces_obj) },
{ MP_ROM_QSTR(MP_QSTR_get_interfaces), MP_ROM_PTR(&mod_TrezorMsg_Msg_get_interfaces_obj) },
};
STATIC MP_DEFINE_CONST_DICT(mod_TrezorMsg_Msg_locals_dict, mod_TrezorMsg_Msg_locals_dict_table);

6
src/main.py
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@ -17,7 +17,11 @@ wallet.boot()
ui.display.backlight(ui.BACKLIGHT_NORMAL)
# Just a demo to show how to register USB ifaces
msg.setup([0xFF00, 0xFF01, 0xF1D0])
msg.set_interfaces([0xFF00, 0xFF01, 0xF1D0])
# and list them
for i, up in enumerate(msg.get_interfaces()):
print("iface %d: usage_page 0x%04x" % (i + 1, up))
# Initialize the wire codec pipeline
wire.setup()

8
src/trezor/msg.py
View File

@ -3,8 +3,12 @@ from TrezorMsg import Msg
_msg = Msg()
def setup(ifaces):
return _msg.setup(ifaces)
def set_interfaces(ifaces):
return _msg.set_interfaces(ifaces)
def get_interfaces():
return _msg.get_interfaces()
def select(timeout_us):