Return-Path: From: Andrzej Kaczmarek To: CC: Andrzej Kaczmarek Subject: [PATCH 3/4] android/gatt: Add support to read connection RSSI Date: Fri, 16 May 2014 17:19:13 +0200 Message-ID: <1400253554-31574-3-git-send-email-andrzej.kaczmarek@tieto.com> In-Reply-To: <1400253554-31574-1-git-send-email-andrzej.kaczmarek@tieto.com> References: <1400253554-31574-1-git-send-email-andrzej.kaczmarek@tieto.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-bluetooth-owner@vger.kernel.org List-ID: --- android/bluetooth.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ android/bluetooth.h | 5 +++++ 2 files changed, 55 insertions(+) diff --git a/android/bluetooth.c b/android/bluetooth.c index 1e760d4..ee33676 100644 --- a/android/bluetooth.c +++ b/android/bluetooth.c @@ -3033,6 +3033,56 @@ bool bt_le_discovery_start(bt_le_device_found cb) return false; } +struct read_rssi_user_data { + bt_read_device_rssi_done cb; + void *user_data; +}; + +static void read_device_rssi_cb(uint8_t status, uint16_t length, + const void *param, void *user_data) +{ + const struct mgmt_rp_get_conn_info *rp = param; + struct read_rssi_user_data *data = user_data; + + DBG(""); + + if (status) + error("Failed to get conn info: %s (0x%02x))", + mgmt_errstr(status), status); + + data->cb(status, &rp->addr.bdaddr, rp->rssi, data->user_data); +} + +bool bt_read_device_rssi(const bdaddr_t *addr, bt_read_device_rssi_done cb, + void *user_data) +{ + struct device *dev; + struct read_rssi_user_data *data; + struct mgmt_cp_get_conn_info cp; + + /* type is used only as fallback when device is not in cache */ + dev = get_device(addr, BDADDR_BREDR); + + memcpy(&cp.addr.bdaddr, addr, sizeof(cp.addr.bdaddr)); + cp.addr.type = dev->bredr ? BDADDR_BREDR : dev->bdaddr_type; + + data = new0(struct read_rssi_user_data, 1); + if (!data) + return false; + + data->cb = cb; + data->user_data = user_data; + + if (!mgmt_send(mgmt_if, MGMT_OP_GET_CONN_INFO, adapter.index, + sizeof(cp), &cp, read_device_rssi_cb, data, free)) { + free(data); + error("Failed to get conn info"); + return false; + } + + return true; +} + static uint8_t set_adapter_scan_mode(const void *buf, uint16_t len) { const uint8_t *mode = buf; diff --git a/android/bluetooth.h b/android/bluetooth.h index 3eef7a4..6a3e766 100644 --- a/android/bluetooth.h +++ b/android/bluetooth.h @@ -50,3 +50,8 @@ bool bt_le_set_advertising(bool advertising, bt_le_set_advertising_done cb, uint8_t bt_get_device_android_type(const bdaddr_t *addr); const char *bt_get_adapter_name(void); bool bt_device_is_bonded(const bdaddr_t *bdaddr); + +typedef void (*bt_read_device_rssi_done)(uint8_t status, const bdaddr_t *addr, + int8_t rssi, void *user_data); +bool bt_read_device_rssi(const bdaddr_t *addr, bt_read_device_rssi_done cb, + void *user_data); -- 1.9.3