From e21f6a7f414d1f832e8fddfeaab3b9de05aa3459 Mon Sep 17 00:00:00 2001 From: Jean-François Milants Date: Sun, 11 Jul 2021 16:55:06 +0200 Subject: Notify battery level every 10 minutes when connected to a BLE host. Refactor battery percent : only use uint8_t to store the battery % remaining. --- src/components/ble/BatteryInformationService.cpp | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'src/components/ble/BatteryInformationService.cpp') diff --git a/src/components/ble/BatteryInformationService.cpp b/src/components/ble/BatteryInformationService.cpp index 10a78d67..7f176904 100644 --- a/src/components/ble/BatteryInformationService.cpp +++ b/src/components/ble/BatteryInformationService.cpp @@ -17,7 +17,7 @@ BatteryInformationService::BatteryInformationService(Controllers::Battery& batte characteristicDefinition {{.uuid = (ble_uuid_t*) &batteryLevelUuid, .access_cb = BatteryInformationServiceCallback, .arg = this, - .flags = BLE_GATT_CHR_F_READ, + .flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_NOTIFY, .val_handle = &batteryLevelHandle}, {0}}, serviceDefinition { @@ -48,4 +48,8 @@ int BatteryInformationService::OnBatteryServiceRequested(uint16_t connectionHand return (res == 0) ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES; } return 0; -} \ No newline at end of file +} +void BatteryInformationService::NotifyBatteryLevel(uint16_t connectionHandle, uint8_t level) { + auto* om = ble_hs_mbuf_from_flat(&level, 1); + ble_gattc_notify_custom(connectionHandle, batteryLevelHandle, om); +} -- cgit v1.2.3-70-g09d2