62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
|
#include "BatteryInformationService.h"
|
||
|
|
#include "../Battery/BatteryController.h"
|
||
|
|
|
||
|
|
using namespace Pinetime::Controllers;
|
||
|
|
|
||
|
|
constexpr ble_uuid16_t BatteryInformationService::batteryInformationServiceUuid;
|
||
|
|
constexpr ble_uuid16_t BatteryInformationService::batteryLevelUuid;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
int BatteryInformationServiceCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg) {
|
||
|
|
auto* batteryInformationService = static_cast<BatteryInformationService*>(arg);
|
||
|
|
return batteryInformationService->OnBatteryServiceRequested(conn_handle, attr_handle, ctxt);
|
||
|
|
}
|
||
|
|
|
||
|
|
BatteryInformationService::BatteryInformationService(Controllers::Battery& batteryController) :
|
||
|
|
batteryController{batteryController},
|
||
|
|
characteristicDefinition{
|
||
|
|
{
|
||
|
|
.uuid = (ble_uuid_t *) &batteryLevelUuid,
|
||
|
|
.access_cb = BatteryInformationServiceCallback,
|
||
|
|
.arg = this,
|
||
|
|
.flags = BLE_GATT_CHR_F_READ,
|
||
|
|
.val_handle = &batteryLevelHandle
|
||
|
|
},
|
||
|
|
{
|
||
|
|
0
|
||
|
|
}
|
||
|
|
},
|
||
|
|
serviceDefinition{
|
||
|
|
{
|
||
|
|
/* Device Information Service */
|
||
|
|
.type = BLE_GATT_SVC_TYPE_PRIMARY,
|
||
|
|
.uuid = (ble_uuid_t *) &batteryInformationServiceUuid,
|
||
|
|
.characteristics = characteristicDefinition
|
||
|
|
},
|
||
|
|
{
|
||
|
|
0
|
||
|
|
},
|
||
|
|
}{
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void BatteryInformationService::Init() {
|
||
|
|
int res = 0;
|
||
|
|
res = ble_gatts_count_cfg(serviceDefinition);
|
||
|
|
ASSERT(res == 0);
|
||
|
|
|
||
|
|
res = ble_gatts_add_svcs(serviceDefinition);
|
||
|
|
ASSERT(res == 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
int BatteryInformationService::OnBatteryServiceRequested(uint16_t connectionHandle, uint16_t attributeHandle,
|
||
|
|
ble_gatt_access_ctxt *context) {
|
||
|
|
if(attributeHandle == batteryLevelHandle) {
|
||
|
|
NRF_LOG_INFO("BATTERY : handle = %d", batteryLevelHandle);
|
||
|
|
static uint8_t batteryValue = batteryController.PercentRemaining();
|
||
|
|
int res = os_mbuf_append(context->om, &batteryValue, 1);
|
||
|
|
return (res == 0) ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|