Add analog clockface display, command dana <hour> <minute> <day#>

[metawatch.git] / metawatch.c

diff --git a/metawatch.c b/metawatch.c
index 5c5b73bfea3c36f3d939cf84d82d251964d56d6d..e093168d833fff9bb3bdf44b6fa8cd10ffb9fb9c 100644 (file)
--- a/metawatch.c
+++ b/metawatch.c
@@ -90,6 +90,7 @@ int mw_send_frame(mwdevice_t *mwdevice, unsigned char msg_type, unsigned char op
        while (((ret = write(mwdevice->mw_fd, frame, tlen)) >= 0) && (tlen > 0))
                tlen -= ret;
 
        while (((ret = write(mwdevice->mw_fd, frame, tlen)) >= 0) && (tlen > 0))
                tlen -= ret;
 

+       fsync(mwdevice->mw_fd);

        if (MW_FRAME_DELAY)
                usleep(MW_FRAME_DELAY);
 
        if (MW_FRAME_DELAY)
                usleep(MW_FRAME_DELAY);
 


@@ -105,29 +106,38 @@ int mw_send_frame(mwdevice_t *mwdevice, unsigned char msg_type, unsigned char op
  * ---------------------------------------------------------------------- */
 
 
  * ---------------------------------------------------------------------- */
 
 

-int mw_set_rtc(mwdevice_t *mwdevice, unsigned char clk1224, unsigned char date_fmt)
+int mw_set_rtc(mwdevice_t *mwdevice, struct tm *mw_tm)

 {
 {

-       time_t mtime;
-       struct tm mtm;

        unsigned short year;
        unsigned char data[32];
 
        unsigned short year;
        unsigned char data[32];
 

-       mtime = time(NULL);
-       localtime_r(&mtime, &mtm);
-
-       year = mtm.tm_year + 1900;  
+       year = mw_tm->tm_year + 1900;  

        data[0] = (year & 0x0f00) >> 8;
        data[1] = (year & 0x00ff);
        data[0] = (year & 0x0f00) >> 8;
        data[1] = (year & 0x00ff);

-       data[2] = mtm.tm_mon + 1;
-       data[3] = mtm.tm_mday;
-       data[4] = mtm.tm_wday;
-       data[5] = mtm.tm_hour;
-       data[6] = mtm.tm_min;
-       data[7] = mtm.tm_sec;
-       data[8] = clk1224;
-       data[9] = date_fmt;
+       data[2] = mw_tm->tm_mon + 1;
+       data[3] = mw_tm->tm_mday;
+       data[4] = mw_tm->tm_wday;
+       data[5] = mw_tm->tm_hour;
+       data[6] = mw_tm->tm_min;
+       data[7] = mw_tm->tm_sec;
+
+       return mw_send_frame(mwdevice, MW_SET_REAL_TIME_CLOCK, 0, data, 8);
+}
+
+int mw_nval_operation(mwdevice_t *mwdevice, unsigned char operation, unsigned short identifier, unsigned char size, void *mdata)
+{
+       unsigned char data[32];
+
+       data[0] = (identifier & 0x00ff);
+       data[1] = (identifier & 0xff00) >> 8;
+       data[2] = size;
+       if (size > 0 && mdata != NULL)
+               memcpy((data+3), mdata, size);

 
 

-       return mw_send_frame(mwdevice, MW_SET_REAL_TIME_CLOCK, 0, data, 10);
+       if (operation == MW_NVAL_OPERATION_READ || operation == MW_NVAL_OPERATION_WRITE) {
+               return mw_send_frame(mwdevice, MW_NVAL_OPERATION, operation, data, 3+size);
+       } else
+               return -1;

 }
 
 int mw_set_vibrate_mode(mwdevice_t *mwdevice, unsigned char enable, unsigned short on_time, unsigned short off_time, unsigned char cycles)
 }
 
 int mw_set_vibrate_mode(mwdevice_t *mwdevice, unsigned char enable, unsigned short on_time, unsigned short off_time, unsigned char cycles)


@@ -154,6 +164,7 @@ int mw_configure_watch_mode(mwdevice_t *mwdevice, unsigned char mode, unsigned c
 
 int mw_update_display(mwdevice_t *mwdevice, unsigned char mode, unsigned char copy)
 {
 
 int mw_update_display(mwdevice_t *mwdevice, unsigned char mode, unsigned char copy)
 {

+       mwdevice->screen_mode = (mode & 0x0f);

        return mw_send_frame(mwdevice, MW_UPDATE_DISPLAY, (mode & 0x0f) | ((copy & 0x01) << 4), NULL, 0);
 }
 
        return mw_send_frame(mwdevice, MW_UPDATE_DISPLAY, (mode & 0x0f) | ((copy & 0x01) << 4), NULL, 0);
 }
 


@@ -292,11 +303,26 @@ int mw_advance_watch_hands(mwdevice_t *mwdevice, unsigned char hours, unsigned c
        return mw_send_frame(mwdevice, MW_ADVANCE_WATCH_HANDS, 0, mdata, 3);
 }
 
        return mw_send_frame(mwdevice, MW_ADVANCE_WATCH_HANDS, 0, mdata, 3);
 }
 

+int mw_battery_configuration(mwdevice_t *mwdevice, unsigned char warn_lvl, unsigned char bt_off_lvl)
+{
+       unsigned char mdata[4];
+       
+       if (warn_lvl < 28 || warn_lvl > 42)
+               return -1;
+       if (bt_off_lvl < 28 || bt_off_lvl > 42)
+               return -1;
+
+       mdata[0] = warn_lvl;
+       mdata[1] = bt_off_lvl;
+
+       return mw_send_frame(mwdevice, MW_BATTERY_CONFIG_MSG, 0, mdata, 2);
+}
+
+

 /* ----------------------------------------------------------------------
  * Watch responses, events or notifications
  * ---------------------------------------------------------------------- */
 
 /* ----------------------------------------------------------------------
  * Watch responses, events or notifications
  * ---------------------------------------------------------------------- */
 

-

 int mw_get_device_type_response(mwdevice_t *mwdevice, unsigned char devtype)
 {
 #ifdef DEBUG
 int mw_get_device_type_response(mwdevice_t *mwdevice, unsigned char devtype)
 {
 #ifdef DEBUG


@@ -336,14 +362,17 @@ void mw_set_get_device_type_response_cb(mwdevice_t *mwdevice, void (*mw_get_devi
                mwdevice->mw_gdtypersp_data = user_data;
 }
 
                mwdevice->mw_gdtypersp_data = user_data;
 }
 

+int mw_nval_operation_response(mwdevice_t *mwdevice, unsigned char operation, unsigned short identifier, unsigned char size, void *mdata)
+{
+       return -1;
+}

 
 int mw_get_real_time_clock_response(mwdevice_t *mwdevice, unsigned char *rtcrsp, int len)
 {
        struct tm mtm;
        unsigned short year;
 
 int mw_get_real_time_clock_response(mwdevice_t *mwdevice, unsigned char *rtcrsp, int len)
 {
        struct tm mtm;
        unsigned short year;

-       unsigned char clk1224, date_fmt;

 
 

-       if (len != 10) {
+       if (len != 8) {

                fprintf(stderr, "get real time clock response length wrong %d != 10\n", len);
                return -1;
        }
                fprintf(stderr, "get real time clock response length wrong %d != 10\n", len);
                return -1;
        }


@@ -356,11 +385,9 @@ int mw_get_real_time_clock_response(mwdevice_t *mwdevice, unsigned char *rtcrsp,
        mtm.tm_hour = rtcrsp[5];
        mtm.tm_min = rtcrsp[6];
        mtm.tm_sec = rtcrsp[7];
        mtm.tm_hour = rtcrsp[5];
        mtm.tm_min = rtcrsp[6];
        mtm.tm_sec = rtcrsp[7];

-       clk1224 = rtcrsp[8];
-       date_fmt = rtcrsp[9];

 
 #ifdef DEBUG
 
 #ifdef DEBUG

-       fprintf(stderr, "watch RTC is %s, clock format is %s, date format is %s\n", asctime(&mtm), clk1224 ? "24h" : "AM/PM", date_fmt ? "DD/MM" : "MM/DD");
+       fprintf(stderr, "watch RTC is %s\n", asctime(&mtm));

 #endif
        if (mwdevice->mw_get_real_time_clock_response_cb != NULL)
                mwdevice->mw_get_real_time_clock_response_cb(mwdevice, &mtm, mwdevice->mw_grtcrsp_data);
 #endif
        if (mwdevice->mw_get_real_time_clock_response_cb != NULL)
                mwdevice->mw_get_real_time_clock_response_cb(mwdevice, &mtm, mwdevice->mw_grtcrsp_data);


@@ -379,21 +406,22 @@ void mw_set_get_real_time_clock_response_cb(mwdevice_t *mwdevice, void (*mw_get_
 
 int mw_get_battery_voltage_response(mwdevice_t *mwdevice, unsigned char *batrsp, int len)
 {
 
 int mw_get_battery_voltage_response(mwdevice_t *mwdevice, unsigned char *batrsp, int len)
 {

-       unsigned short voltage = *(unsigned short *)batrsp;
-       unsigned char power_good = batrsp[2];
-       unsigned char bat_charging = batrsp[3];
+       unsigned char power_good = batrsp[0];
+       unsigned char bat_charging = batrsp[1];
+       unsigned short voltage = *(unsigned short *)(batrsp+2);
+       unsigned short voltage_avg = *(unsigned short *)(batrsp+4);

 
 #ifdef DEBUG
 
 #ifdef DEBUG

-       fprintf(stderr, "battery is at %dmV, %s and %s\n", voltage, power_good ? "power is good" : "power fault", bat_charging ? "charging" : "not charging");
+       fprintf(stderr, "battery is at %dmV (average is %dmV), %s and %s\n", voltage, voltage_avg, power_good ? "power is good" : "power fault", bat_charging ? "charging" : "not charging");

 #endif
 
        if (mwdevice->mw_get_battery_voltage_response_cb != NULL)
 #endif
 
        if (mwdevice->mw_get_battery_voltage_response_cb != NULL)

-               mwdevice->mw_get_battery_voltage_response_cb(mwdevice, &voltage, &power_good, &bat_charging, mwdevice->mw_gbatvrsp_data);
+               mwdevice->mw_get_battery_voltage_response_cb(mwdevice, &voltage, &voltage_avg, &power_good, &bat_charging, mwdevice->mw_gbatvrsp_data);

 
        return 0;
 }
 
 
        return 0;
 }
 

-void mw_set_get_battery_voltage_response_cb(mwdevice_t *mwdevice, void (*mw_get_battery_voltage_response_cb) (mwdevice_t *mwdevice, unsigned short *voltage, unsigned char *pgood, unsigned char *charging, void *user_data), void *user_data)
+void mw_set_get_battery_voltage_response_cb(mwdevice_t *mwdevice, void (*mw_get_battery_voltage_response_cb) (mwdevice_t *mwdevice, unsigned short *voltage, unsigned short *voltage_avg, unsigned char *pgood, unsigned char *charging, void *user_data), void *user_data)

 {
        if (mw_get_battery_voltage_response_cb != NULL)
                mwdevice->mw_get_battery_voltage_response_cb = mw_get_battery_voltage_response_cb;
 {
        if (mw_get_battery_voltage_response_cb != NULL)
                mwdevice->mw_get_battery_voltage_response_cb = mw_get_battery_voltage_response_cb;


@@ -401,6 +429,7 @@ void mw_set_get_battery_voltage_response_cb(mwdevice_t *mwdevice, void (*mw_get_
                mwdevice->mw_gbatvrsp_data = user_data;
 }
 
                mwdevice->mw_gbatvrsp_data = user_data;
 }
 

+#if 0

 int mw_read_button_config_response(mwdevice_t *mwdevice, unsigned char *btnrsp, int len)
 {
 #ifdef DEBUG
 int mw_read_button_config_response(mwdevice_t *mwdevice, unsigned char *btnrsp, int len)
 {
 #ifdef DEBUG


@@ -420,6 +449,7 @@ int mw_read_button_config_response(mwdevice_t *mwdevice, unsigned char *btnrsp,
 
        return 0;
 }
 
        return 0;
 }

+#endif

 
 void mw_set_read_button_config_response_cb(mwdevice_t *mwdevice, void (*mw_read_button_config_response_cb) (mwdevice_t *mwdevice, void *user_data), void *user_data)
 {
 
 void mw_set_read_button_config_response_cb(mwdevice_t *mwdevice, void (*mw_read_button_config_response_cb) (mwdevice_t *mwdevice, void *user_data), void *user_data)
 {


@@ -429,23 +459,42 @@ void mw_set_read_button_config_response_cb(mwdevice_t *mwdevice, void (*mw_read_
                mwdevice->mw_rbtncnfrsp_data = user_data;
 }
 
                mwdevice->mw_rbtncnfrsp_data = user_data;
 }
 

+int mw_button_event_message(mwdevice_t *mwdevice, unsigned char *btnevt, int len, unsigned char opts)
+{
+#ifdef DEBUG
+       fprintf(stderr, "Button event message, button %d options %d\n", btnevt[0], opts);
+#endif
+
+       if (mwdevice->mw_button_event_message_cb != NULL)
+               mwdevice->mw_button_event_message_cb(mwdevice, btnevt[0], opts, mwdevice->mw_btnevmsg_data);
+
+       return 0;
+}
+
+void mw_set_button_event_message_cb(mwdevice_t *mwdevice, void (*mw_button_event_message_cb) (mwdevice_t *mwdevice, unsigned char buttons, unsigned char options, void *user_data), void *user_data)
+{
+       if (mw_button_event_message_cb != NULL)
+               mwdevice->mw_button_event_message_cb = mw_button_event_message_cb;
+       if (user_data != NULL)
+               mwdevice->mw_btnevmsg_data = user_data;
+}
+

 int mw_read_light_sensor_response(mwdevice_t *mwdevice, unsigned char *lightrsp, int len)
 {
 int mw_read_light_sensor_response(mwdevice_t *mwdevice, unsigned char *lightrsp, int len)
 {

-       unsigned char power_good = lightrsp[0];
-       unsigned char bat_charging = lightrsp[1];
-       unsigned short light_level = *(unsigned short *)(lightrsp+2);
+       unsigned short light_level = *(unsigned short *)(lightrsp);
+       unsigned short light_level_avg = *(unsigned short *)(lightrsp+2);

 
 #ifdef DEBUG
 
 #ifdef DEBUG

-       fprintf(stderr, "light sensor is at %d, power stat: %s and %s\n", light_level, power_good ? "power is good" : "power fault", bat_charging ? "charging" : "not charging");
+       fprintf(stderr, "light sensor is at %d, average at %d\n", light_level, light_level_avg);

 #endif
 
        if (mwdevice->mw_read_light_sensor_response_cb != NULL)
 #endif
 
        if (mwdevice->mw_read_light_sensor_response_cb != NULL)

-               mwdevice->mw_read_light_sensor_response_cb(mwdevice, &light_level, mwdevice->mw_rlsrsp_data);
+               mwdevice->mw_read_light_sensor_response_cb(mwdevice, &light_level, &light_level_avg, mwdevice->mw_rlsrsp_data);

 
        return 0;
 }
 
 
        return 0;
 }
 

-void mw_set_read_light_sensor_response_cb(mwdevice_t *mwdevice, void (*mw_read_light_sensor_response_cb) (mwdevice_t *mwdevice, unsigned short *light_level, void *user_data), void *user_data)
+void mw_set_read_light_sensor_response_cb(mwdevice_t *mwdevice, void (*mw_read_light_sensor_response_cb) (mwdevice_t *mwdevice, unsigned short *light_level, unsigned short *light_level_avg, void *user_data), void *user_data)

 {
        if (mw_read_light_sensor_response_cb != NULL)
                mwdevice->mw_read_light_sensor_response_cb = mw_read_light_sensor_response_cb;
 {
        if (mw_read_light_sensor_response_cb != NULL)
                mwdevice->mw_read_light_sensor_response_cb = mw_read_light_sensor_response_cb;


@@ -458,9 +507,10 @@ int mw_status_change_event(mwdevice_t *mwdevice, unsigned char option, unsigned
        unsigned char mode = (option & 0x0f);
        unsigned char status = statrsp[0];
 #ifdef DEBUG
        unsigned char mode = (option & 0x0f);
        unsigned char status = statrsp[0];
 #ifdef DEBUG

-       fprintf(stderr, "Status change event for mode %s: %s\n", mw_screen_mode_names[option&0x0f], mw_status_string[statrsp[0]]);      
+       fprintf(stderr, "Status change event for mode %s: %s\n", mw_screen_mode_names[mode], mw_status_string[status]); 

 #endif
 
 #endif
 

+       // mwdevice->screen_mode = mode;

        if (mwdevice->mw_status_change_event_cb != NULL)
                mwdevice->mw_status_change_event_cb(mwdevice, &mode, &status, mwdevice->mw_stchev_data);
 
        if (mwdevice->mw_status_change_event_cb != NULL)
                mwdevice->mw_status_change_event_cb(mwdevice, &mode, &status, mwdevice->mw_stchev_data);
 


@@ -475,12 +525,49 @@ void mw_set_status_change_event_cb(mwdevice_t *mwdevice, void (*mw_status_change
                mwdevice->mw_stchev_data = user_data;
 }
 
                mwdevice->mw_stchev_data = user_data;
 }
 

+int mw_low_battery_warning_message(mwdevice_t *mwdevice)
+{
+#ifdef DEBUG
+       fprintf(stderr, "Watch battery low, please connect charger\n");
+#endif
+       if (mwdevice->mw_low_battery_warning_message_cb != NULL)
+               mwdevice->mw_low_battery_warning_message_cb(mwdevice, mwdevice->mw_lbatwarnmsg_data);
+
+       return 0;
+}
+
+void mw_set_low_battery_warning_message_cb(mwdevice_t *mwdevice, void (*mw_low_battery_warning_message_cb) (mwdevice_t *mwdevice, void *user_data), void *user_data)
+{
+       if (mw_low_battery_warning_message_cb != NULL)
+               mwdevice->mw_low_battery_warning_message_cb = mw_low_battery_warning_message_cb;
+       if (user_data != NULL)
+               mwdevice->mw_lbatwarnmsg_data = user_data;
+}
+
+int mw_low_battery_bt_off_message(mwdevice_t *mwdevice)
+{
+#ifdef DEBUG
+       fprintf(stderr, "Watch battery extremely low - radio will turn off\n");
+#endif
+       if (mwdevice->mw_low_battery_bt_off_message_cb != NULL)
+               mwdevice->mw_low_battery_bt_off_message_cb(mwdevice, mwdevice->mw_lbatbtoff_data);
+
+       return 0;
+}
+
+void mw_set_low_battery_bt_off_message_cb(mwdevice_t *mwdevice, void (*mw_low_battery_bt_off_message_cb) (mwdevice_t *mwdevice, void *user_data), void *user_data)
+{
+       if (mw_low_battery_bt_off_message_cb != NULL)
+               mwdevice->mw_low_battery_bt_off_message_cb = mw_low_battery_bt_off_message_cb;
+       if (user_data != NULL)
+               mwdevice->mw_lbatbtoff_data = user_data;
+}

 
 /* ----------------------------------------------------------------------
  * Protocol handling
  * ---------------------------------------------------------------------- */
 
 
 /* ----------------------------------------------------------------------
  * Protocol handling
  * ---------------------------------------------------------------------- */
 

-int decode_frame(mwdevice_t *mwdevice, unsigned char *buf, int len)
+int mw_decode_frame(mwdevice_t *mwdevice, unsigned char *buf, int len)

 {
        unsigned short crc;
        unsigned char msglen;
 {
        unsigned short crc;
        unsigned char msglen;


@@ -523,23 +610,50 @@ int decode_frame(mwdevice_t *mwdevice, unsigned char *buf, int len)
                case MW_READ_LIGHT_SENSOR_RSP:
                        mw_read_light_sensor_response(mwdevice, msgdata, msgdatalen);
                        break;
                case MW_READ_LIGHT_SENSOR_RSP:
                        mw_read_light_sensor_response(mwdevice, msgdata, msgdatalen);
                        break;

-               case MW_LOW_BATTERY_WARNING_MSG:
-                       fprintf(stderr, "Watch battery low, please connect charger\n");
-                       break;
+#if 0

                case MW_READ_BUTTON_CONFIG_RSP:
                        mw_read_button_config_response(mwdevice, msgdata, msgdatalen);
                        break;
                case MW_READ_BUTTON_CONFIG_RSP:
                        mw_read_button_config_response(mwdevice, msgdata, msgdatalen);
                        break;

+#endif

                case MW_BUTTON_EVENT_MESSAGE:
                case MW_BUTTON_EVENT_MESSAGE:

-                       fprintf(stderr, "Button event message\n");
+                       mw_button_event_message(mwdevice, msgdata, msgdatalen, msgopt);
+                       break;
+               case MW_LOW_BATTERY_WARNING_MSG:
+                       mw_low_battery_warning_message(mwdevice);

                        break;
                case MW_LOW_BATTERY_BT_OFF_MSG:
                        break;
                case MW_LOW_BATTERY_BT_OFF_MSG:

-                       fprintf(stderr, "Watch battery extremely low - radio will turn off\n");
+                       mw_low_battery_bt_off_message(mwdevice);
+                       break;
+               case MW_NVAL_OPERATION_RSP:
+                       fprintf(stderr, "NVAL operation response - ");
+                       switch (msgopt) {
+                               case 0x00:
+                                       fprintf(stderr, "success\n");
+                                       break;
+                               case 0x01:
+                                       fprintf(stderr, "failure!\n");
+                                       break;
+                               case 0x09:
+                                       fprintf(stderr, "Item Not initialized (Identifier Not found\n");
+                                       break;
+                               case 0x0a:
+                                       fprintf(stderr, "Operation failed\n");
+                                       break;
+                               case 0x0c:
+                                       fprintf(stderr, "Bad Item length\n");
+                                       break;
+                               default:
+                                       fprintf(stderr, "unknown status 0x%02x\n", msgopt);
+                                       break;
+                       };

                        break;
                case MW_STATUS_CHANGE_EVENT:
                        mw_status_change_event(mwdevice, msgopt, msgdata, msgdatalen);
                        break;
                default:
                        break;
                case MW_STATUS_CHANGE_EVENT:
                        mw_status_change_event(mwdevice, msgopt, msgdata, msgdatalen);
                        break;
                default:

+#ifdef DEBUG

                        fprintf(stderr, "Unkown msgtype 0x%02x\n", msgtype);
                        fprintf(stderr, "Unkown msgtype 0x%02x\n", msgtype);

+#endif

                        break;
        };
 
                        break;
        };
 


@@ -547,6 +661,38 @@ int decode_frame(mwdevice_t *mwdevice, unsigned char *buf, int len)
 }
 
 
 }
 
 

+int mw_feed_msg_buffer(mwdevice_t *mwdevice, unsigned char *buf, int len)
+{
+       char msgbuf[64];
+       int tlen;
+
+       if (len <= 0)
+               return -1;
+
+       memcpy((mwdevice->pbuf+mwdevice->pbuf_len), buf, len);
+       mwdevice->pbuf_len += len;
+       
+       while (mwdevice->pbuf_len > 0) {
+               /* scan for MW_SOF */
+               while (mwdevice->pbuf[0] != MW_SOF) {
+                       memmove(mwdevice->pbuf, (mwdevice->pbuf+1), --mwdevice->pbuf_len);
+               }
+               tlen = mwdevice->pbuf[1];
+               /* OK, there is an SOF but the message is too short */
+               if (tlen > mwdevice->pbuf_len) {
+                       /* we have to wait for more data to come in */
+                       break;
+               }
+               /* here we have a complete msg */
+               memcpy(msgbuf, mwdevice->pbuf, tlen);
+               mw_decode_frame(mwdevice, (unsigned char *)msgbuf, tlen);
+               memmove(mwdevice->pbuf, (mwdevice->pbuf+tlen), tlen);
+               mwdevice->pbuf_len -= tlen;
+       }
+       return 0;
+}
+
+

 /* ----------------------------------------------------------------------
  * General code usage
  * ---------------------------------------------------------------------- */
 /* ----------------------------------------------------------------------
  * General code usage
  * ---------------------------------------------------------------------- */


@@ -555,6 +701,8 @@ int mw_init(mwdevice_t *mwdevice, int mw_fd)
 {
        memset(mwdevice, 0, sizeof(mwdevice_t));
        mwdevice->mw_fd = mw_fd;
 {
        memset(mwdevice, 0, sizeof(mwdevice_t));
        mwdevice->mw_fd = mw_fd;

+       memset(mwdevice->pbuf, 0, MW_PBUF_LEN);
+       mwdevice->pbuf_len = 0;

 
        /* figure out which device we run with */
        mw_send_frame(mwdevice, MW_GET_DEVICE_TYPE, 0, NULL, 0);
 
        /* figure out which device we run with */
        mw_send_frame(mwdevice, MW_GET_DEVICE_TYPE, 0, NULL, 0);