diff options
Diffstat (limited to 'btif')
| -rw-r--r-- | btif/include/btif_hh.h | 5 | ||||
| -rwxr-xr-x | btif/src/btif_hh.c | 211 |
2 files changed, 208 insertions, 8 deletions
diff --git a/btif/include/btif_hh.h b/btif/include/btif_hh.h index 2849d63..ad438f9 100644 --- a/btif/include/btif_hh.h +++ b/btif/include/btif_hh.h @@ -66,6 +66,11 @@ #define BTIF_HH_MAX_HID 8 #define BTIF_HH_MAX_ADDED_DEV 32 +#define BTIF_HH_MAX_KEYSTATES 3 +#define BTIF_HH_KEYSTATE_MASK_NUMLOCK 0x01 +#define BTIF_HH_KEYSTATE_MASK_CAPSLOCK 0x02 +#define BTIF_HH_KEYSTATE_MASK_SCROLLLOCK 0x04 + typedef struct { bthh_connection_state_t dev_status; diff --git a/btif/src/btif_hh.c b/btif/src/btif_hh.c index 2e9387a..9a599dd 100755 --- a/btif/src/btif_hh.c +++ b/btif/src/btif_hh.c @@ -83,19 +83,17 @@ #define KEYSTATE_FILEPATH "/data/misc/bluedroid/bt_hh_ks" //keep this in sync with HID host jni -#define HID_REPORT_CAPSLOCK 0x39 -#define HID_REPORT_NUMLOCK 0x53 +#define HID_REPORT_CAPSLOCK 0x39 +#define HID_REPORT_NUMLOCK 0x53 #define HID_REPORT_SCROLLLOCK 0x47 -#define MAX_KEYSTATES 3 -#define KEYSTATE_MASK_NUMLOCK 0x01 -#define KEYSTATE_MASK_CAPSLOCK 0x02 -#define KEYSTATE_MASK_SCROLLLOCK 0x04 - //For Apple Magic Mouse #define MAGICMOUSE_VENDOR_ID 0x05ac #define MAGICMOUSE_PRODUCT_ID 0x030d +#define LOGITECH_KB_MX5500_VENDOR_ID 0x046D +#define LOGITECH_KB_MX5500_PRODUCT_ID 0xB30B + extern const int BT_UID; extern const int BT_GID; static int btif_hh_prev_keyevents=0; //The previous key events @@ -133,6 +131,13 @@ typedef enum ** Local type definitions ************************************************************************************/ +typedef struct hid_kb_list +{ + UINT16 product_id; + UINT16 version_id; + char* kb_name; +} tHID_KB_LIST; + /************************************************************************************ ** Static variables ************************************************************************************/ @@ -140,6 +145,17 @@ btif_hh_cb_t btif_hh_cb; static bthh_callbacks_t *bt_hh_callbacks = NULL; +/* List of HID keyboards for which the NUMLOCK state needs to be + * turned ON by default. Add devices to this list to apply the + * NUMLOCK state toggle on fpr first connect.*/ +static tHID_KB_LIST hid_kb_numlock_on_list[] = +{ + {LOGITECH_KB_MX5500_PRODUCT_ID, + LOGITECH_KB_MX5500_VENDOR_ID, + "Logitech MX5500 Keyboard"} +}; + + #define CHECK_BTHH_INIT() if (bt_hh_callbacks == NULL)\ {\ BTIF_TRACE_WARNING1("BTHH: %s: BTHH not initialized", __FUNCTION__);\ @@ -169,9 +185,165 @@ extern BOOLEAN check_cod(const bt_bdaddr_t *remote_bdaddr, uint32_t cod); extern void btif_dm_cb_remove_bond(bt_bdaddr_t *bd_addr); extern int scru_ascii_2_hex(char *p_ascii, int len, UINT8 *p_hex); +/***************************************************************************** +** Local Function prototypes +*****************************************************************************/ +static void set_keylockstate(int keymask, BOOLEAN isSet); +static void toggle_os_keylockstates(int fd, int changedkeystates); +static void sync_lockstate_on_connect(btif_hh_device_t *p_dev); +//static void hh_update_keyboard_lockstates(btif_hh_device_t *p_dev); + + /************************************************************************************ ** Functions ************************************************************************************/ + +static int get_keylockstates() +{ + return btif_hh_keylockstates; +} + +static void set_keylockstate(int keymask, BOOLEAN isSet) +{ + if(isSet) + btif_hh_keylockstates |= keymask; +} + +/******************************************************************************* +** +** Function toggle_os_keylockstates +** +** Description Function to toggle the keyboard lock states managed by the linux. +** This function is used in by two call paths +** (1) if the lock state change occurred from an onscreen keyboard, +** this function is called to update the lock state maintained + for the HID keyboard(s) +** (2) if a HID keyboard is disconnected and reconnected, +** this function is called to update the lock state maintained + for the HID keyboard(s) +** Returns void +*******************************************************************************/ + +static void toggle_os_keylockstates(int fd, int changedlockstates) +{ + BTIF_TRACE_EVENT3("%s: fd = %d, changedlockstates = 0x%x", + __FUNCTION__, fd, changedlockstates); + UINT8 hidreport[9]; + int reportIndex; + memset(hidreport,0,9); + hidreport[0]=1; + reportIndex=4; + + if (changedlockstates & BTIF_HH_KEYSTATE_MASK_CAPSLOCK) { + BTIF_TRACE_DEBUG1("%s Setting CAPSLOCK", __FUNCTION__); + hidreport[reportIndex++] = (UINT8)HID_REPORT_CAPSLOCK; + } + + if (changedlockstates & BTIF_HH_KEYSTATE_MASK_NUMLOCK) { + BTIF_TRACE_DEBUG1("%s Setting NUMLOCK", __FUNCTION__); + hidreport[reportIndex++] = (UINT8)HID_REPORT_NUMLOCK; + } + + if (changedlockstates & BTIF_HH_KEYSTATE_MASK_SCROLLLOCK) { + BTIF_TRACE_DEBUG1("%s Setting SCROLLLOCK", __FUNCTION__); + hidreport[reportIndex++] = (UINT8) HID_REPORT_SCROLLLOCK; + } + + BTIF_TRACE_DEBUG4("Writing hidreport #1 to os: "\ + "%s: %x %x %x", __FUNCTION__, + hidreport[0], hidreport[1], hidreport[2]); + BTIF_TRACE_DEBUG4("%s: %x %x %x", __FUNCTION__, + hidreport[3], hidreport[4], hidreport[5]); + BTIF_TRACE_DEBUG4("%s: %x %x %x", __FUNCTION__, + hidreport[6], hidreport[7], hidreport[8]); + bta_hh_co_write(fd , hidreport, sizeof(hidreport)); + usleep(200000); + memset(hidreport,0,9); + hidreport[0]=1; + BTIF_TRACE_DEBUG4("Writing hidreport #2 to os: "\ + "%s: %x %x %x", __FUNCTION__, + hidreport[0], hidreport[1], hidreport[2]); + BTIF_TRACE_DEBUG4("%s: %x %x %x", __FUNCTION__, + hidreport[3], hidreport[4], hidreport[5]); + BTIF_TRACE_DEBUG4("%s: %x %x %x ", __FUNCTION__, + hidreport[6], hidreport[7], hidreport[8]); + bta_hh_co_write(fd , hidreport, sizeof(hidreport)); +} + +/******************************************************************************* +** +** Function update_keyboard_lockstates +** +** Description Sends a report to the keyboard to set the lock states of keys +** +*******************************************************************************/ +static void update_keyboard_lockstates(btif_hh_device_t *p_dev) +{ + UINT8 len = 2; /* reportid + 1 byte report*/ + BD_ADDR* bda; + + /* Set report for other keyboards */ + BTIF_TRACE_EVENT3("%s: setting report on dev_handle %d to 0x%x", + __FUNCTION__, p_dev->dev_handle, btif_hh_keylockstates); + + if (p_dev->p_buf != NULL) { + GKI_freebuf(p_dev->p_buf); + } + /* Get SetReport buffer */ + p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + + sizeof(BT_HDR))); + if (p_dev->p_buf != NULL) { + p_dev->p_buf->len = len; + p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; + + /* LED status updated by data event */ + UINT8 *pbuf_data = (UINT8 *)(p_dev->p_buf + 1) + + p_dev->p_buf->offset; + pbuf_data[0]=0x01; /*report id */ + pbuf_data[1]=btif_hh_keylockstates; /*keystate*/ + bda = (BD_ADDR*) (&p_dev->bd_addr); + BTA_HhSendData(p_dev->dev_handle, *bda, + p_dev->p_buf); + } +} + +/******************************************************************************* +** +** Function sync_lockstate_on_connect +** +** Description Function to update the keyboard lock states managed by the OS +** when a HID keyboard is connected or disconnected and reconnected +** Returns void +*******************************************************************************/ +static void sync_lockstate_on_connect(btif_hh_device_t *p_dev) +{ + int keylockstates; + + BTIF_TRACE_EVENT1("%s: Syncing keyboard lock states after "\ + "reconnect...",__FUNCTION__); + /*If the device is connected, update keyboard state */ + update_keyboard_lockstates(p_dev); + + /*Check if the lockstate of caps,scroll,num is set. + If so, send a report to the kernel + so the lockstate is in sync */ + keylockstates = get_keylockstates(); + if (keylockstates) + { + BTIF_TRACE_DEBUG2("%s: Sending hid report to kernel "\ + "indicating lock key state 0x%x",__FUNCTION__, + keylockstates); + usleep(200000); + toggle_os_keylockstates(p_dev->fd, keylockstates); + } + else + { + BTIF_TRACE_DEBUG2("%s: NOT sending hid report to kernel "\ + "indicating lock key state 0x%x",__FUNCTION__, + keylockstates); + } +} + /******************************************************************************* ** ** Function btif_hh_find_dev_by_handle @@ -533,7 +705,8 @@ static void btif_hh_upstreams_evt(UINT16 event, char* p_param) tBTA_HH *p_data = (tBTA_HH *)p_param; bdstr_t bdstr; btif_hh_device_t *p_dev = NULL; - int len; + int i; + int len, tmplen; BTIF_TRACE_DEBUG2("%s: event=%s", __FUNCTION__, dump_hh_event(event)); @@ -730,6 +903,28 @@ static void btif_hh_upstreams_evt(UINT16 event, char* p_param) //Device already added. BTIF_TRACE_WARNING1("%s: Device already added ",__FUNCTION__); } + /*Sync HID Keyboard lockstates */ + tmplen = sizeof(hid_kb_numlock_on_list) + / sizeof(tHID_KB_LIST); + for(i = 0; i< tmplen; i++) + { + if(p_data->dscp_info.vendor_id + == hid_kb_numlock_on_list[i].version_id && + p_data->dscp_info.product_id + == hid_kb_numlock_on_list[i].product_id) + { + BTIF_TRACE_DEBUG3("%s() idx[%d] Enabling "\ + "NUMLOCK for device :: %s", __FUNCTION__, + i, hid_kb_numlock_on_list[i].kb_name); + /* Enable NUMLOCK by default so that numeric + keys work from first keyboard connect */ + set_keylockstate(BTIF_HH_KEYSTATE_MASK_NUMLOCK, + TRUE); + sync_lockstate_on_connect(p_dev); + /* End Sync HID Keyboard lockstates */ + break; + } + } } break; |