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#include "components/ble/MotionService.h"
#include "components/motion/MotionController.h"
#include "systemtask/SystemTask.h"
#include <nrf_log.h>
using namespace Pinetime::Controllers;
namespace {
// 0003yyxx-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, 0x03, 0x00 }
};
}
// 00030000-78fc-48fe-8e23-433b3a1942d0
constexpr ble_uuid128_t BaseUuid() {
return CharUuid(0x00, 0x00);
}
constexpr ble_uuid128_t motionServiceUuid {BaseUuid()};
constexpr ble_uuid128_t stepCountCharUuid {CharUuid(0x01, 0x00)};
constexpr ble_uuid128_t motionValuesCharUuid {CharUuid(0x02, 0x00)};
int MotionServiceCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt, void* arg) {
auto* motionService = static_cast<MotionService*>(arg);
return motionService->OnStepCountRequested(conn_handle, attr_handle, ctxt);
}
}
// TODO Refactoring - remove dependency to SystemTask
MotionService::MotionService(Pinetime::System::SystemTask& system, Controllers::MotionController& motionController)
: system {system},
motionController {motionController},
characteristicDefinition {{.uuid = &stepCountCharUuid.u,
.access_cb = MotionServiceCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_NOTIFY,
.val_handle = &stepCountHandle},
{.uuid = &motionValuesCharUuid.u,
.access_cb = MotionServiceCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_NOTIFY,
.val_handle = &motionValuesHandle},
{0}},
serviceDefinition {
{
.type = BLE_GATT_SVC_TYPE_PRIMARY,
.uuid = &motionServiceUuid.u,
.characteristics = characteristicDefinition
},
{0},
} {
// TODO refactor to prevent this loop dependency (service depends on controller and controller depends on service)
motionController.SetService(this);
}
void MotionService::Init() {
int res = 0;
res = ble_gatts_count_cfg(serviceDefinition);
ASSERT(res == 0);
res = ble_gatts_add_svcs(serviceDefinition);
ASSERT(res == 0);
}
int MotionService::OnStepCountRequested(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt* context) {
if (attributeHandle == stepCountHandle) {
NRF_LOG_INFO("Motion-stepcount : handle = %d", stepCountHandle);
uint32_t buffer = motionController.NbSteps();
int res = os_mbuf_append(context->om, &buffer, 4);
return (res == 0) ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
} else if(attributeHandle == motionValuesHandle) {
int16_t buffer[3] = { motionController.X(), motionController.Y(), motionController.Z() };
int res = os_mbuf_append(context->om, buffer, 3 * sizeof(int16_t));
return (res == 0) ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
}
return 0;
}
void MotionService::OnNewStepCountValue(uint32_t stepCount) {
if(!stepCountNoficationEnabled) return;
uint32_t buffer = stepCount;
auto* om = ble_hs_mbuf_from_flat(&buffer, 4);
uint16_t connectionHandle = system.nimble().connHandle();
if (connectionHandle == 0 || connectionHandle == BLE_HS_CONN_HANDLE_NONE) {
return;
}
ble_gattc_notify_custom(connectionHandle, stepCountHandle, om);
}
void MotionService::OnNewMotionValues(int16_t x, int16_t y, int16_t z) {
if(!motionValuesNoficationEnabled) return;
int16_t buffer[3] = { motionController.X(), motionController.Y(), motionController.Z() };
auto* om = ble_hs_mbuf_from_flat(buffer, 3 * sizeof(int16_t));
uint16_t connectionHandle = system.nimble().connHandle();
if (connectionHandle == 0 || connectionHandle == BLE_HS_CONN_HANDLE_NONE) {
return;
}
ble_gattc_notify_custom(connectionHandle, motionValuesHandle, om);
}
void MotionService::SubscribeNotification(uint16_t connectionHandle, uint16_t attributeHandle) {
if(attributeHandle == stepCountHandle)
stepCountNoficationEnabled = true;
else if(attributeHandle == motionValuesHandle)
motionValuesNoficationEnabled = true;
}
void MotionService::UnsubscribeNotification(uint16_t connectionHandle, uint16_t attributeHandle) {
if(attributeHandle == stepCountHandle)
stepCountNoficationEnabled = false;
else if(attributeHandle == motionValuesHandle)
motionValuesNoficationEnabled = false;
}
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