125 lines
4.9 KiB
C
125 lines
4.9 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) 2016 Glenn Ruben Bakke
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* Copyright (c) 2018 Artur Pacholec
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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 "ble.h"
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#include "ble_drv.h"
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#include "common-hal/bleio/UUID.h"
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#include "nrf_error.h"
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#include "py/objstr.h"
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#include "py/runtime.h"
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#include "shared-bindings/bleio/Adapter.h"
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#include "shared-bindings/bleio/UUID.h"
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#define UUID_STR_16BIT_LEN 6
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#define UUID_STR_128BIT_LEN 36
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static uint8_t xdigit_8b_value(byte nibble1, byte nibble2) {
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return unichar_xdigit_value(nibble1) |
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(unichar_xdigit_value(nibble2) << 4);
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}
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void common_hal_bleio_uuid_construct(bleio_uuid_obj_t *self, const mp_obj_t *uuid) {
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if (MP_OBJ_IS_INT(*uuid)) {
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self->type = UUID_TYPE_16BIT;
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self->value[1] = (mp_obj_get_int(*uuid) >> 8) & 0xFF;
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self->value[0] = (mp_obj_get_int(*uuid) >> 0) & 0xFF;
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return;
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}
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if (MP_OBJ_IS_STR(*uuid)) {
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GET_STR_DATA_LEN(*uuid, str_data, str_len);
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if (str_len == UUID_STR_16BIT_LEN) {
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self->type = UUID_TYPE_16BIT;
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self->value[0] = xdigit_8b_value(str_data[5], str_data[4]);
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self->value[1] = xdigit_8b_value(str_data[3], str_data[2]);
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} else if (str_len == UUID_STR_128BIT_LEN) {
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self->type = UUID_TYPE_128BIT;
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ble_uuid128_t vs_uuid;
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vs_uuid.uuid128[0] = xdigit_8b_value(str_data[35], str_data[34]);
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vs_uuid.uuid128[1] = xdigit_8b_value(str_data[33], str_data[32]);
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vs_uuid.uuid128[2] = xdigit_8b_value(str_data[31], str_data[30]);
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vs_uuid.uuid128[3] = xdigit_8b_value(str_data[29], str_data[28]);
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vs_uuid.uuid128[4] = xdigit_8b_value(str_data[27], str_data[26]);
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vs_uuid.uuid128[5] = xdigit_8b_value(str_data[25], str_data[24]);
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// 23 '-'
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vs_uuid.uuid128[6] = xdigit_8b_value(str_data[22], str_data[21]);
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vs_uuid.uuid128[7] = xdigit_8b_value(str_data[20], str_data[19]);
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// 18 '-'
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vs_uuid.uuid128[8] = xdigit_8b_value(str_data[17], str_data[16]);
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vs_uuid.uuid128[9] = xdigit_8b_value(str_data[15], str_data[14]);
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// 13 '-'
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vs_uuid.uuid128[10] = xdigit_8b_value(str_data[12], str_data[11]);
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vs_uuid.uuid128[11] = xdigit_8b_value(str_data[10], str_data[9]);
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// 8 '-'
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self->value[0] = xdigit_8b_value(str_data[7], str_data[6]);
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self->value[1] = xdigit_8b_value(str_data[5], str_data[4]);
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vs_uuid.uuid128[14] = xdigit_8b_value(str_data[3], str_data[2]);
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vs_uuid.uuid128[15] = xdigit_8b_value(str_data[1], str_data[0]);
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common_hal_bleio_adapter_set_enabled(true);
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const uint32_t err_code = sd_ble_uuid_vs_add(&vs_uuid, &self->uuid_vs_idx);
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if (err_code != NRF_SUCCESS) {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
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translate("Failed to add Vendor Specific UUID, status: 0x%08lX"), err_code));
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}
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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translate("Invalid UUID string length")));
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}
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return;
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}
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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translate("Invalid UUID parameter")));
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}
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void common_hal_bleio_uuid_print(bleio_uuid_obj_t *self, const mp_print_t *print) {
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if (self->type == UUID_TYPE_16BIT) {
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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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bleio_uuid_type_t common_hal_bleio_uuid_get_type(bleio_uuid_obj_t *self) {
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return self->type;
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}
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