mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-24 23:38:09 +00:00
109 lines
4.5 KiB
C
109 lines
4.5 KiB
C
/// class HID:
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/// '''
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/// USB HID interface configuration.
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/// '''
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typedef struct _mp_obj_HID_t {
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mp_obj_base_t base;
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usb_hid_info_t info;
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} mp_obj_HID_t;
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/// def __init__(self,
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/// iface_num: int,
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/// ep_in: int,
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/// ep_out: int,
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/// report_desc: bytes,
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/// subclass: int = 0,
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/// protocol: int = 0,
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/// polling_interval: int = 1,
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/// max_packet_len: int = 64) -> None:
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/// '''
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/// '''
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STATIC mp_obj_t mod_trezorio_HID_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
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STATIC const mp_arg_t allowed_args[] = {
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{ MP_QSTR_iface_num, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
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{ MP_QSTR_ep_in, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
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{ MP_QSTR_ep_out, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
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{ MP_QSTR_subclass, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
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{ MP_QSTR_protocol, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
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{ MP_QSTR_polling_interval, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 1} },
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{ MP_QSTR_max_packet_len, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 64} },
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{ MP_QSTR_report_desc, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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};
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mp_arg_val_t vals[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all_kw_array(n_args, n_kw, args, MP_ARRAY_SIZE(allowed_args), allowed_args, vals);
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const mp_int_t iface_num = vals[0].u_int;
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const mp_int_t ep_in = vals[1].u_int;
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const mp_int_t ep_out = vals[2].u_int;
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const mp_int_t subclass = vals[3].u_int;
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const mp_int_t protocol = vals[4].u_int;
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const mp_int_t polling_interval = vals[5].u_int;
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const mp_int_t max_packet_len = vals[6].u_int;
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mp_buffer_info_t report_desc;
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mp_get_buffer_raise(vals[7].u_obj, &report_desc, MP_BUFFER_READ);
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if (report_desc.buf == NULL || report_desc.len == 0 || report_desc.len > 255) {
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mp_raise_ValueError("report_desc is invalid");
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}
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CHECK_PARAM_RANGE(iface_num, 0, 32)
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CHECK_PARAM_RANGE(ep_in, 0, 255)
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CHECK_PARAM_RANGE(ep_out, 0, 255)
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CHECK_PARAM_RANGE(subclass, 0, 255)
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CHECK_PARAM_RANGE(protocol, 0, 255)
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CHECK_PARAM_RANGE(polling_interval, 1, 255)
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CHECK_PARAM_RANGE(max_packet_len, 64, 64)
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mp_obj_HID_t *o = m_new_obj(mp_obj_HID_t);
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o->base.type = type;
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o->info.rx_buffer = m_new(uint8_t, max_packet_len);
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o->info.report_desc = report_desc.buf;
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o->info.iface_num = (uint8_t)(iface_num);
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o->info.ep_in = (uint8_t)(ep_in);
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o->info.ep_out = (uint8_t)(ep_out);
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o->info.subclass = (uint8_t)(subclass);
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o->info.protocol = (uint8_t)(protocol);
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o->info.polling_interval = (uint8_t)(polling_interval);
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o->info.max_packet_len = (uint8_t)(max_packet_len);
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o->info.report_desc_len = (uint8_t)(report_desc.len);
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return MP_OBJ_FROM_PTR(o);
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}
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/// def iface_num(self) -> int:
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/// '''
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/// Returns the configured number of this interface.
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/// '''
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STATIC mp_obj_t mod_trezorio_HID_iface_num(mp_obj_t self) {
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mp_obj_HID_t *o = MP_OBJ_TO_PTR(self);
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return MP_OBJ_NEW_SMALL_INT(o->info.iface_num);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorio_HID_iface_num_obj, mod_trezorio_HID_iface_num);
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/// def write(self, msg: bytes) -> int:
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/// '''
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/// Sends message using USB HID (device) or UDP (emulator).
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/// '''
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STATIC mp_obj_t mod_trezorio_HID_write(mp_obj_t self, mp_obj_t msg) {
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mp_obj_HID_t *o = MP_OBJ_TO_PTR(self);
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mp_buffer_info_t buf;
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mp_get_buffer_raise(msg, &buf, MP_BUFFER_READ);
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ssize_t r = usb_hid_write(o->info.iface_num, buf.buf, buf.len);
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return MP_OBJ_NEW_SMALL_INT(r);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorio_HID_write_obj, mod_trezorio_HID_write);
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STATIC const mp_rom_map_elem_t mod_trezorio_HID_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_iface_num), MP_ROM_PTR(&mod_trezorio_HID_iface_num_obj) },
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{ MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&mod_trezorio_HID_write_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(mod_trezorio_HID_locals_dict, mod_trezorio_HID_locals_dict_table);
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STATIC const mp_obj_type_t mod_trezorio_HID_type = {
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{ &mp_type_type },
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.name = MP_QSTR_HID,
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.make_new = mod_trezorio_HID_make_new,
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.locals_dict = (void*)&mod_trezorio_HID_locals_dict,
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};
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