kopia lustrzana https://github.com/micropython/micropython
172 wiersze
7.0 KiB
C
172 wiersze
7.0 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Glenn Ruben Bakke
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/obj.h"
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#include "py/runtime.h"
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#include "py/objstr.h"
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#include "py/misc.h"
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#if MICROPY_PY_UBLUEPY
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#include "modubluepy.h"
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#include "ble_drv.h"
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STATIC void ubluepy_uuid_print(const mp_print_t *print, mp_obj_t o, mp_print_kind_t kind) {
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ubluepy_uuid_obj_t * self = (ubluepy_uuid_obj_t *)o;
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if (self->type == UBLUEPY_UUID_16_BIT) {
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mp_printf(print, "UUID(uuid: 0x" HEX2_FMT HEX2_FMT ")",
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self->value[1], self->value[0]);
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} else {
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mp_printf(print, "UUID(uuid: 0x" HEX2_FMT HEX2_FMT ", VS idx: " HEX2_FMT ")",
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self->value[1], self->value[0], self->uuid_vs_idx);
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}
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}
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STATIC mp_obj_t ubluepy_uuid_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
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enum { ARG_NEW_UUID };
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static const mp_arg_t allowed_args[] = {
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{ ARG_NEW_UUID, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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};
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// parse args
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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ubluepy_uuid_obj_t *s = m_new_obj(ubluepy_uuid_obj_t);
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s->base.type = type;
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mp_obj_t uuid_obj = args[ARG_NEW_UUID].u_obj;
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if (uuid_obj == MP_OBJ_NULL) {
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return MP_OBJ_FROM_PTR(s);
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}
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if (mp_obj_is_int(uuid_obj)) {
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s->type = UBLUEPY_UUID_16_BIT;
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s->value[1] = (((uint16_t)mp_obj_get_int(uuid_obj)) >> 8) & 0xFF;
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s->value[0] = ((uint8_t)mp_obj_get_int(uuid_obj)) & 0xFF;
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} else if (mp_obj_is_str(uuid_obj)) {
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GET_STR_DATA_LEN(uuid_obj, str_data, str_len);
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if (str_len == 6) { // Assume hex digit prefixed with 0x
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s->type = UBLUEPY_UUID_16_BIT;
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s->value[0] = unichar_xdigit_value(str_data[5]);
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s->value[0] += unichar_xdigit_value(str_data[4]) << 4;
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s->value[1] = unichar_xdigit_value(str_data[3]);
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s->value[1] += unichar_xdigit_value(str_data[2]) << 4;
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} else if (str_len == 36) {
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s->type = UBLUEPY_UUID_128_BIT;
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uint8_t buffer[16];
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buffer[0] = unichar_xdigit_value(str_data[35]);
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buffer[0] += unichar_xdigit_value(str_data[34]) << 4;
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buffer[1] = unichar_xdigit_value(str_data[33]);
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buffer[1] += unichar_xdigit_value(str_data[32]) << 4;
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buffer[2] = unichar_xdigit_value(str_data[31]);
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buffer[2] += unichar_xdigit_value(str_data[30]) << 4;
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buffer[3] = unichar_xdigit_value(str_data[29]);
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buffer[3] += unichar_xdigit_value(str_data[28]) << 4;
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buffer[4] = unichar_xdigit_value(str_data[27]);
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buffer[4] += unichar_xdigit_value(str_data[26]) << 4;
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buffer[5] = unichar_xdigit_value(str_data[25]);
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buffer[5] += unichar_xdigit_value(str_data[24]) << 4;
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// 23 '-'
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buffer[6] = unichar_xdigit_value(str_data[22]);
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buffer[6] += unichar_xdigit_value(str_data[21]) << 4;
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buffer[7] = unichar_xdigit_value(str_data[20]);
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buffer[7] += unichar_xdigit_value(str_data[19]) << 4;
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// 18 '-'
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buffer[8] = unichar_xdigit_value(str_data[17]);
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buffer[8] += unichar_xdigit_value(str_data[16]) << 4;
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buffer[9] = unichar_xdigit_value(str_data[15]);
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buffer[9] += unichar_xdigit_value(str_data[14]) << 4;
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// 13 '-'
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buffer[10] = unichar_xdigit_value(str_data[12]);
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buffer[10] += unichar_xdigit_value(str_data[11]) << 4;
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buffer[11] = unichar_xdigit_value(str_data[10]);
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buffer[11] += unichar_xdigit_value(str_data[9]) << 4;
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// 8 '-'
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// 16-bit field
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s->value[0] = unichar_xdigit_value(str_data[7]);
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s->value[0] += unichar_xdigit_value(str_data[6]) << 4;
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s->value[1] = unichar_xdigit_value(str_data[5]);
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s->value[1] += unichar_xdigit_value(str_data[4]) << 4;
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buffer[14] = unichar_xdigit_value(str_data[3]);
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buffer[14] += unichar_xdigit_value(str_data[2]) << 4;
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buffer[15] = unichar_xdigit_value(str_data[1]);
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buffer[15] += unichar_xdigit_value(str_data[0]) << 4;
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ble_drv_uuid_add_vs(buffer, &s->uuid_vs_idx);
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} else {
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mp_raise_ValueError("Invalid UUID string length");
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}
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} else if (mp_obj_is_type(uuid_obj, &ubluepy_uuid_type)) {
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// deep copy instance
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ubluepy_uuid_obj_t * p_old = MP_OBJ_TO_PTR(uuid_obj);
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s->type = p_old->type;
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s->value[0] = p_old->value[0];
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s->value[1] = p_old->value[1];
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} else {
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mp_raise_ValueError("Invalid UUID parameter");
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}
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return MP_OBJ_FROM_PTR(s);
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}
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/// \method binVal()
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/// Get binary value of the 16 or 128 bit UUID. Returned as bytearray type.
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///
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STATIC mp_obj_t uuid_bin_val(mp_obj_t self_in) {
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ubluepy_uuid_obj_t * self = MP_OBJ_TO_PTR(self_in);
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// TODO: Extend the uint16 byte value to 16 byte if 128-bit,
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// also encapsulate it in a bytearray. For now, return
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// the uint16_t field of the UUID.
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return MP_OBJ_NEW_SMALL_INT(self->value[0] | self->value[1] << 8);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(ubluepy_uuid_bin_val_obj, uuid_bin_val);
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STATIC const mp_rom_map_elem_t ubluepy_uuid_locals_dict_table[] = {
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#if 0
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{ MP_ROM_QSTR(MP_QSTR_getCommonName), MP_ROM_PTR(&ubluepy_uuid_get_common_name_obj) },
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#endif
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// Properties
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{ MP_ROM_QSTR(MP_QSTR_binVal), MP_ROM_PTR(&ubluepy_uuid_bin_val_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(ubluepy_uuid_locals_dict, ubluepy_uuid_locals_dict_table);
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const mp_obj_type_t ubluepy_uuid_type = {
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{ &mp_type_type },
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.name = MP_QSTR_UUID,
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.print = ubluepy_uuid_print,
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.make_new = ubluepy_uuid_make_new,
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.locals_dict = (mp_obj_dict_t*)&ubluepy_uuid_locals_dict
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};
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#endif // MICROPY_PY_UBLUEPY
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