report battery levels with bluetooth

2025-05-31 19:55:18 -06:00
parent 3ac0d2f52a
commit 4574ee3088
3 changed files with 11 additions and 1 deletions
--- a/firmware/app/src/peripheral_gatt_write.c
+++ b/firmware/app/src/peripheral_gatt_write.c
@ -11,6 +11,7 @@
 #include <zephyr/bluetooth/conn.h>
 #include <zephyr/bluetooth/gatt.h>
 #include <zephyr/bluetooth/hci.h>
+#include <zephyr/bluetooth/services/bas.h>

 extern int mtu_exchange(struct bt_conn *conn);
 extern int write_cmd(struct bt_conn *conn);
@ -19,6 +20,9 @@ extern uint32_t last_write_rate;

 static const struct bt_data ad[] = {
 	BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)),
+	BT_DATA_BYTES(BT_DATA_UUID16_ALL,
+				  BT_UUID_16_ENCODE(BT_UUID_BAS_VAL), // battery service
+				  ),
 	BT_DATA(BT_DATA_NAME_COMPLETE, CONFIG_BT_DEVICE_NAME, sizeof(CONFIG_BT_DEVICE_NAME) - 1), // -1 to strip \0
 };