Return-Path: From: Santiago Carot-Nemesio To: linux-bluetooth@vger.kernel.org Cc: Santiago Carot-Nemesio Subject: [PATCH 1/8] Process characteristic descriptors in thermometer service. Date: Thu, 20 Oct 2011 11:46:44 +0200 Message-Id: <1319104011-27747-2-git-send-email-sancane@gmail.com> In-Reply-To: <1319104011-27747-1-git-send-email-sancane@gmail.com> References: <1319104011-27747-1-git-send-email-sancane@gmail.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: --- thermometer/thermometer.c | 77 ++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 76 insertions(+), 1 deletions(-) diff --git a/thermometer/thermometer.c b/thermometer/thermometer.c index 0d85102..854a157 100644 --- a/thermometer/thermometer.c +++ b/thermometer/thermometer.c @@ -42,6 +42,7 @@ #define THERMOMETER_INTERFACE "org.bluez.Thermometer" +#define TEMPERATURE_MEASUREMENT_UUID "00002a1c-0000-1000-8000-00805f9b34fb" #define TEMPERATURE_TYPE_UUID "00002a1d-0000-1000-8000-00805f9b34fb" #define INTERMEDIATE_TEMPERATURE_UUID "00002a1e-0000-1000-8000-00805f9b34fb" #define MEASUREMENT_INTERVAL_UUID "00002a21-0000-1000-8000-00805f9b34fb" @@ -161,10 +162,84 @@ static void change_property(struct thermometer *t, const gchar *name, DBG("%s is not a thermometer property", name); } +static void process_thermometer_desc(struct descriptor *desc) +{ + char uuidstr[MAX_LEN_UUID_STR]; + bt_uuid_t btuuid; + + bt_uuid16_create(&btuuid, GATT_CLIENT_CHARAC_CFG_UUID); + + if (bt_uuid_cmp(&desc->uuid, &btuuid) == 0) { + if (g_strcmp0(desc->ch->attr.uuid, + TEMPERATURE_MEASUREMENT_UUID) == 0) { + /* TODO: Check if we have to enable it */ + DBG("C.C.C in Temperature Measurement"); + } else if (g_strcmp0(desc->ch->attr.uuid, + INTERMEDIATE_TEMPERATURE_UUID) == 0) { + /* TODO: Check if we have to enable it */ + DBG("C.C.C in Intermediate Temperature"); + } else if (g_strcmp0(desc->ch->attr.uuid, + MEASUREMENT_INTERVAL_UUID) == 0) { + /* TODO: Enable indications */ + DBG("C.C.C in Measurement Interval"); + } else + goto end; + + return; + } + + bt_uuid16_create(&btuuid, GATT_CHARAC_VALID_RANGE_UUID); + + if (bt_uuid_cmp(&desc->uuid, &btuuid) == 0) + if (g_strcmp0(desc->ch->attr.uuid, + MEASUREMENT_INTERVAL_UUID) == 0) { + /* TODO: Process Measurement Interval */ + return; + } + +end: + bt_uuid_to_string(&desc->uuid, uuidstr, MAX_LEN_UUID_STR); + DBG("Ignored descriptor %s in characteristic %s", uuidstr, + desc->ch->attr.uuid); +} + static void discover_desc_cb(guint8 status, const guint8 *pdu, guint16 len, gpointer user_data) { - /* TODO */ + struct characteristic *ch = user_data; + struct att_data_list *list; + guint8 format; + int i; + + if (status != 0) { + error("Discover all characteristic descriptors failed [%s]: %s", + ch->attr.uuid, att_ecode2str(status)); + return; + } + + list = dec_find_info_resp(pdu, len, &format); + if (list == NULL) + return; + + for (i = 0; i < list->num; i++) { + struct descriptor *desc; + uint8_t *value; + + value = list->data[i]; + desc = g_new0(struct descriptor, 1); + desc->handle = att_get_u16(value); + desc->ch = ch; + + if (format == 0x01) + desc->uuid = att_get_uuid16(&value[2]); + else + desc->uuid = att_get_uuid128(&value[2]); + + ch->desc = g_slist_append(ch->desc, desc); + process_thermometer_desc(desc); + } + + att_data_list_free(list); } static void read_temp_type_cb(guint8 status, const guint8 *pdu, guint16 len, -- 1.7.6.1