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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-30 03:18:20 +00:00
trezor-firmware/embed/extmod/modtrezorio/modtrezorio-vcp.h
2018-02-26 14:07:37 +01:00

109 lines
4.2 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/>.
*/
void pendsv_kbd_intr(void);
/// class VCP:
/// '''
/// USB VCP interface configuration.
/// '''
typedef struct _mp_obj_VCP_t {
mp_obj_base_t base;
usb_vcp_info_t info;
} mp_obj_VCP_t;
/// def __init__(self,
/// iface_num: int,
/// data_iface_num: int,
/// ep_in: int,
/// ep_out: int,
/// ep_cmd: int) -> None:
/// '''
/// '''
STATIC mp_obj_t mod_trezorio_VCP_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
STATIC const mp_arg_t allowed_args[] = {
{ MP_QSTR_iface_num, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_data_iface_num, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_ep_in, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_ep_out, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_ep_cmd, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
};
mp_arg_val_t vals[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all_kw_array(n_args, n_kw, args, MP_ARRAY_SIZE(allowed_args), allowed_args, vals);
const mp_int_t iface_num = vals[0].u_int;
const mp_int_t data_iface_num = vals[1].u_int;
const mp_int_t ep_in = vals[2].u_int;
const mp_int_t ep_out = vals[3].u_int;
const mp_int_t ep_cmd = vals[4].u_int;
CHECK_PARAM_RANGE(iface_num, 0, 32)
CHECK_PARAM_RANGE(data_iface_num, 0, 32)
CHECK_PARAM_RANGE(ep_in, 0, 255)
CHECK_PARAM_RANGE(ep_out, 0, 255)
CHECK_PARAM_RANGE(ep_cmd, 0, 255)
const size_t vcp_buffer_len = 1024;
const size_t vcp_packet_len = 64;
mp_obj_VCP_t *o = m_new_obj(mp_obj_VCP_t);
o->base.type = type;
o->info.tx_packet = m_new(uint8_t, vcp_packet_len);
o->info.tx_buffer = m_new(uint8_t, vcp_buffer_len);
o->info.rx_packet = m_new(uint8_t, vcp_packet_len);
o->info.rx_buffer = m_new(uint8_t, vcp_buffer_len);
o->info.tx_buffer_len = vcp_buffer_len;
o->info.rx_buffer_len = vcp_buffer_len;
o->info.rx_intr_fn = pendsv_kbd_intr;
o->info.rx_intr_byte = 3; // Ctrl-C
o->info.iface_num = (uint8_t)(iface_num);
o->info.data_iface_num = (uint8_t)(data_iface_num);
o->info.ep_cmd = (uint8_t)(ep_cmd);
o->info.ep_in = (uint8_t)(ep_in);
o->info.ep_out = (uint8_t)(ep_out);
o->info.polling_interval = 10;
o->info.max_packet_len = (uint8_t)(vcp_packet_len);
return MP_OBJ_FROM_PTR(o);
}
/// def iface_num(self) -> int:
/// '''
/// Returns the configured number of this interface.
/// '''
STATIC mp_obj_t mod_trezorio_VCP_iface_num(mp_obj_t self) {
mp_obj_VCP_t *o = MP_OBJ_TO_PTR(self);
return MP_OBJ_NEW_SMALL_INT(o->info.iface_num);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorio_VCP_iface_num_obj, mod_trezorio_VCP_iface_num);
STATIC const mp_rom_map_elem_t mod_trezorio_VCP_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_iface_num), MP_ROM_PTR(&mod_trezorio_VCP_iface_num_obj) },
};
STATIC MP_DEFINE_CONST_DICT(mod_trezorio_VCP_locals_dict, mod_trezorio_VCP_locals_dict_table);
STATIC const mp_obj_type_t mod_trezorio_VCP_type = {
{ &mp_type_type },
.name = MP_QSTR_VCP,
.make_new = mod_trezorio_VCP_make_new,
.locals_dict = (void*)&mod_trezorio_VCP_locals_dict,
};