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trezor-firmware/extmod/modtrezormsg/modtrezormsg.c
2016-09-27 17:24:00 +02:00

112 lines
3.4 KiB
C

/*
* Copyright (c) Pavol Rusnak, SatoshiLabs
*
* Licensed under Microsoft Reference Source License (Ms-RSL)
* see LICENSE.md file for details
*/
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include "py/nlr.h"
#include "py/runtime.h"
#include "py/binary.h"
#include "py/mphal.h"
#if MICROPY_PY_TREZORMSG
#if defined STM32_HAL_H
#include "modtrezormsg-stmhal.h"
#elif defined UNIX
#include "modtrezormsg-unix.h"
#else
#error Unsupported port. Only STMHAL and UNIX ports are supported.
#endif
// class Msg(object):
typedef struct _mp_obj_Msg_t {
mp_obj_base_t base;
} mp_obj_Msg_t;
// def Msg.__init__(self)
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) {
mp_arg_check_num(n_args, n_kw, 0, 0, false);
msg_init();
mp_obj_Msg_t *o = m_new_obj(mp_obj_Msg_t);
o->base.type = type;
return MP_OBJ_FROM_PTR(o);
}
// def Msg.send(self, message) -> int
STATIC mp_obj_t mod_TrezorMsg_Msg_send(mp_obj_t self, mp_obj_t message) {
mp_buffer_info_t buf;
mp_get_buffer_raise(message, &buf, MP_BUFFER_READ);
int r = msg_send(buf.buf, buf.len);
return MP_OBJ_NEW_SMALL_INT(r);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorMsg_Msg_send_obj, mod_TrezorMsg_Msg_send);
#define TICK_RESOLUTION 1000
// def Msg.select(self, timeout_us: int) -> None/tuple/bytes
STATIC mp_obj_t mod_TrezorMsg_Msg_select(mp_obj_t self, mp_obj_t timeout_us) {
int to = mp_obj_get_int(timeout_us);
if (to < 0) {
to = 0;
}
while (to >= 0) {
uint32_t e = msg_poll_ui_event();
if (e) {
mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR(mp_obj_new_tuple(3, NULL));
tuple->items[0] = MP_OBJ_NEW_SMALL_INT((e & 0xFF0000) >> 16);
tuple->items[1] = MP_OBJ_NEW_SMALL_INT((e & 0xFF00) >> 8);
tuple->items[2] = MP_OBJ_NEW_SMALL_INT((e & 0xFF));
return MP_OBJ_FROM_PTR(tuple);
}
const uint8_t *m = msg_recv();
if (m) {
vstr_t vstr;
vstr_init_len(&vstr, 64);
memcpy(vstr.buf, m, 64);
return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
}
mp_hal_delay_us_fast(TICK_RESOLUTION);
to -= TICK_RESOLUTION;
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorMsg_Msg_select_obj, mod_TrezorMsg_Msg_select);
// Msg stuff
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) },
};
STATIC MP_DEFINE_CONST_DICT(mod_TrezorMsg_Msg_locals_dict, mod_TrezorMsg_Msg_locals_dict_table);
STATIC const mp_obj_type_t mod_TrezorMsg_Msg_type = {
{ &mp_type_type },
.name = MP_QSTR_Msg,
.make_new = mod_TrezorMsg_Msg_make_new,
.locals_dict = (void*)&mod_TrezorMsg_Msg_locals_dict,
};
// module stuff
STATIC const mp_rom_map_elem_t mp_module_TrezorMsg_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_TrezorMsg) },
{ MP_ROM_QSTR(MP_QSTR_Msg), MP_ROM_PTR(&mod_TrezorMsg_Msg_type) },
};
STATIC MP_DEFINE_CONST_DICT(mp_module_TrezorMsg_globals, mp_module_TrezorMsg_globals_table);
const mp_obj_module_t mp_module_TrezorMsg = {
.base = { &mp_type_module },
.name = MP_QSTR_TrezorMsg,
.globals = (mp_obj_dict_t*)&mp_module_TrezorMsg_globals,
};
#endif // MICROPY_PY_TREZORMSG