From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
This enables using hidhost HAL for LE devices since this is how HoG is
implemented in Android.
---
android/hidhost.c | 106 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 106 insertions(+)
diff --git a/android/hidhost.c b/android/hidhost.c
index 4a158c6..90a3409 100644
--- a/android/hidhost.c
+++ b/android/hidhost.c
@@ -48,6 +48,9 @@
#include "hal-msg.h"
#include "ipc-common.h"
#include "ipc.h"
+#include "bluetooth.h"
+#include "gatt.h"
+#include "hog.h"
#include "hidhost.h"
#include "utils.h"
@@ -77,11 +80,14 @@
/* HID Virtual Cable Unplug */
#define HID_VIRTUAL_CABLE_UNPLUG 0x05
+#define HOG_UUID "00001812-0000-1000-8000-00805f9b34fb"
+
static bdaddr_t adapter_addr;
static GIOChannel *ctrl_io = NULL;
static GIOChannel *intr_io = NULL;
static GSList *devices = NULL;
+static unsigned int hog_app = 0;
static struct ipc *hal_ipc = NULL;
@@ -102,6 +108,7 @@ struct hid_device {
guint intr_watch;
struct bt_uhid *uhid;
uint8_t last_hid_msg;
+ struct bt_hog *hog;
};
static int device_cmp(gconstpointer s, gconstpointer user_data)
@@ -131,6 +138,9 @@ static void hid_device_free(void *data)
if (dev->uhid)
bt_uhid_unref(dev->uhid);
+ if (dev->hog)
+ bt_hog_unref(dev->hog);
+
g_free(dev->rd_data);
g_free(dev);
}
@@ -722,6 +732,67 @@ fail:
hid_device_remove(dev);
}
+static void hog_conn_cb(const bdaddr_t *addr, int err, void *attrib)
+{
+ GSList *l;
+ struct hid_device *dev;
+
+ l = g_slist_find_custom(devices, addr, device_cmp);
+ dev = l ? l->data : NULL;
+
+ if (err < 0) {
+ if (!dev)
+ return;
+ goto fail;
+ }
+
+ if (!dev) {
+ dev = g_new0(struct hid_device, 1);
+ bacpy(&dev->dst, addr);
+ devices = g_slist_append(devices, dev);
+ bt_hid_notify_state(dev, HAL_HIDHOST_STATE_CONNECTING);
+ }
+
+ if (!dev->hog) {
+ /* TODO: Get device details and primary */
+ dev->hog = bt_hog_new("bluez-input-device", dev->vendor,
+ dev->product, dev->version, NULL);
+ if (!dev->hog) {
+ error("HoG: unable to create session");
+ goto fail;
+ }
+ }
+
+ if (!bt_hog_attach(dev->hog, attrib)) {
+ error("HoG: unable to attach");
+ goto fail;
+ }
+
+ bt_hid_notify_state(dev, HAL_HIDHOST_STATE_CONNECTED);
+
+ return;
+
+fail:
+ bt_hid_notify_state(dev, HAL_HIDHOST_STATE_DISCONNECTED);
+ hid_device_remove(dev);
+}
+
+static bool hog_connect(struct hid_device *dev)
+{
+ DBG("");
+
+ if (hog_app)
+ return bt_gatt_connect_app(hog_app, &dev->dst);
+
+ hog_app = bt_gatt_register_app(HOG_UUID, GATT_CLIENT, hog_conn_cb);
+ if (!hog_app) {
+ error("hidhost: bt_gatt_register_app failed");
+ return false;
+ }
+
+ return bt_gatt_connect_app(hog_app, &dev->dst);
+}
+
static void bt_hid_connect(const void *buf, uint16_t len)
{
const struct hal_cmd_hidhost_connect *cmd = buf;
@@ -748,6 +819,14 @@ static void bt_hid_connect(const void *buf, uint16_t len)
ba2str(&dev->dst, addr);
DBG("connecting to %s", addr);
+ if (bt_is_device_le(&dst)) {
+ if (!hog_connect(dev)) {
+ status = HAL_STATUS_FAILED;
+ goto failed;
+ }
+ goto done;
+ }
+
sdp_uuid16_create(&uuid, PNP_INFO_SVCLASS_ID);
if (bt_search_service(&adapter_addr, &dev->dst, &uuid,
hid_sdp_did_search_cb, dev, NULL, 0) < 0) {
@@ -757,6 +836,7 @@ static void bt_hid_connect(const void *buf, uint16_t len)
goto failed;
}
+done:
devices = g_slist_append(devices, dev);
bt_hid_notify_state(dev, HAL_HIDHOST_STATE_CONNECTING);
@@ -767,6 +847,20 @@ failed:
status);
}
+static bool hog_disconnect(struct hid_device *dev)
+{
+ DBG("");
+
+ bt_hid_notify_state(dev, HAL_HIDHOST_STATE_DISCONNECTING);
+
+ if (!bt_gatt_disconnect_app(hog_app, &dev->dst)) {
+ bt_hid_notify_state(dev, HAL_HIDHOST_STATE_DISCONNECTED);
+ hid_device_remove(dev);
+ }
+
+ return true;
+}
+
static void bt_hid_disconnect(const void *buf, uint16_t len)
{
const struct hal_cmd_hidhost_disconnect *cmd = buf;
@@ -786,6 +880,13 @@ static void bt_hid_disconnect(const void *buf, uint16_t len)
}
dev = l->data;
+ if (bt_is_device_le(&dst)) {
+ if (!hog_disconnect(dev)) {
+ status = HAL_STATUS_FAILED;
+ goto failed;
+ }
+ goto done;
+ }
/* Wait either channels to HUP */
if (dev->intr_io)
@@ -796,6 +897,8 @@ static void bt_hid_disconnect(const void *buf, uint16_t len)
bt_hid_notify_state(dev, HAL_HIDHOST_STATE_DISCONNECTING);
+
+done:
status = HAL_STATUS_SUCCESS;
failed:
@@ -1342,6 +1445,9 @@ void bt_hid_unregister(void)
{
DBG("");
+ if (hog_app > 0)
+ bt_gatt_unregister_app(hog_app);
+
g_slist_free_full(devices, hid_device_free);
devices = NULL;
--
1.9.3
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