InfiniTime/src/components/ble/NavigationService.cpp
2023-03-19 12:41:01 +02:00

118 lines
4.3 KiB
C++

/* Copyright (C) 2021 Adam Pigg
This file is part of InfiniTime.
InfiniTime 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.
InfiniTime 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 <https://www.gnu.org/licenses/>.
*/
#include "components/ble/NavigationService.h"
namespace {
// 0001yyxx-78fc-48fe-8e23-433b3a1942d0
constexpr ble_uuid128_t CharUuid(uint8_t x, uint8_t y) {
return ble_uuid128_t {.u = {.type = BLE_UUID_TYPE_128},
.value = {0xd0, 0x42, 0x19, 0x3a, 0x3b, 0x43, 0x23, 0x8e, 0xfe, 0x48, 0xfc, 0x78, x, y, 0x01, 0x00}};
}
// 00010000-78fc-48fe-8e23-433b3a1942d0
constexpr ble_uuid128_t BaseUuid() {
return CharUuid(0x00, 0x00);
}
constexpr ble_uuid128_t navUuid {BaseUuid()};
constexpr ble_uuid128_t navFlagCharUuid {CharUuid(0x01, 0x00)};
constexpr ble_uuid128_t navNarrativeCharUuid {CharUuid(0x02, 0x00)};
constexpr ble_uuid128_t navManDistCharUuid {CharUuid(0x03, 0x00)};
constexpr ble_uuid128_t navProgressCharUuid {CharUuid(0x04, 0x00)};
int NAVCallback(uint16_t /*conn_handle*/, uint16_t /*attr_handle*/, struct ble_gatt_access_ctxt* ctxt, void* arg) {
auto* navService = static_cast<Pinetime::Controllers::NavigationService*>(arg);
return navService->OnCommand(ctxt);
}
} // namespace
Pinetime::Controllers::NavigationService::NavigationService() {
characteristicDefinition[0] = {.uuid = &navFlagCharUuid.u,
.access_cb = NAVCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[1] = {.uuid = &navNarrativeCharUuid.u,
.access_cb = NAVCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[2] = {.uuid = &navManDistCharUuid.u,
.access_cb = NAVCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[3] = {.uuid = &navProgressCharUuid.u,
.access_cb = NAVCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[4] = {0};
serviceDefinition[0] = {.type = BLE_GATT_SVC_TYPE_PRIMARY, .uuid = &navUuid.u, .characteristics = characteristicDefinition};
serviceDefinition[1] = {0};
m_progress = 0;
}
void Pinetime::Controllers::NavigationService::Init() {
int res = 0;
res = ble_gatts_count_cfg(serviceDefinition);
ASSERT(res == 0);
res = ble_gatts_add_svcs(serviceDefinition);
ASSERT(res == 0);
}
int Pinetime::Controllers::NavigationService::OnCommand(struct ble_gatt_access_ctxt* ctxt) {
if (ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
size_t notifSize = OS_MBUF_PKTLEN(ctxt->om);
uint8_t data[notifSize + 1];
data[notifSize] = '\0';
os_mbuf_copydata(ctxt->om, 0, notifSize, data);
char* s = (char*) &data[0];
if (ble_uuid_cmp(ctxt->chr->uuid, &navFlagCharUuid.u) == 0) {
m_flag = s;
} else if (ble_uuid_cmp(ctxt->chr->uuid, &navNarrativeCharUuid.u) == 0) {
m_narrative = s;
} else if (ble_uuid_cmp(ctxt->chr->uuid, &navManDistCharUuid.u) == 0) {
m_manDist = s;
} else if (ble_uuid_cmp(ctxt->chr->uuid, &navProgressCharUuid.u) == 0) {
m_progress = data[0];
}
}
return 0;
}
std::string Pinetime::Controllers::NavigationService::getFlag() {
return m_flag;
}
std::string Pinetime::Controllers::NavigationService::getNarrative() {
return m_narrative;
}
std::string Pinetime::Controllers::NavigationService::getManDist() {
return m_manDist;
}
int Pinetime::Controllers::NavigationService::getProgress() {
return m_progress;
}