Update to spec
[metawatch.git] / metawatch.c
index 08d5aca..e487e35 100644 (file)
@@ -105,29 +105,38 @@ 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];
 
-       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[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];
 
-       return mw_send_frame(mwdevice, MW_SET_REAL_TIME_CLOCK, 0, data, 10);
+       data[0] = (identifier & 0x00ff);
+       data[1] = (identifier & 0xff00) >> 8;
+       data[2] = size;
+       if (size > 0 && mdata != NULL)
+               memcpy((data+3), mdata, size);
+
+       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)
@@ -154,6 +163,7 @@ 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)
 {
+       mwdevice->screen_mode = (mode & 0x0f);
        return mw_send_frame(mwdevice, MW_UPDATE_DISPLAY, (mode & 0x0f) | ((copy & 0x01) << 4), NULL, 0);
 }
 
@@ -222,6 +232,7 @@ int mw_write_oled_buffer(mwdevice_t *mwdevice,
        if (mwdevice->devtype != MW_DEVICE_TYPE_ANA_DIGI && mwdevice->devtype != MW_DEVICE_TYPE_DEVB_ANA_DIGI)
                return -1;
        
+       fprintf(stderr, "write oled buf len = %d\n", buflen);
        /* lower row first since display wil be updated after completion of upper row */
        if (buflen > 80) {
                for (i=80; i<buflen; i+=20) {
@@ -235,6 +246,7 @@ int mw_write_oled_buffer(mwdevice_t *mwdevice,
                memcpy((mdata+1), (buffer+i), 20);
                mw_send_frame(mwdevice, MW_WRITE_OLED_IDLE_DISPLAY_MSG, 1 | (oled ? 2 : 0), mdata, 21);
        }
+
        return 0;
 }
 
@@ -272,18 +284,94 @@ int mw_disable_button(mwdevice_t *mwdevice,
        return mw_send_frame(mwdevice, MW_ENABLE_BUTTON, 0, mdata, 3);
 }
 
+int mw_advance_watch_hands(mwdevice_t *mwdevice, unsigned char hours, unsigned char minutes, unsigned char seconds)
+{
+       unsigned char mdata[4];
+       
+       if (hours > 12)
+               return -1;
+       if (minutes > 60)
+               return -1;
+       if (seconds > 60)
+               return -1;
+
+       mdata[0] = hours;
+       mdata[1] = minutes;
+       mdata[2] = seconds;
+
+       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
  * ---------------------------------------------------------------------- */
 
+int mw_get_device_type_response(mwdevice_t *mwdevice, unsigned char devtype)
+{
+#ifdef DEBUG
+       fprintf(stderr, "Got device type ");
+       switch(devtype) {
+               case 0:
+                       fprintf(stderr, "Reserved\n");
+                       break;
+               case 1:
+                       fprintf(stderr, "Ana-Digi\n");
+                       break;
+               case 2:
+                       fprintf(stderr, "Digital\n");
+                       break;
+               case 3:
+                       fprintf(stderr, "Development Board Digital\n");
+                       break;
+               case 4:
+                       fprintf(stderr, "Development Board Ana-Digi\n");
+                       break;
+               default:
+                       fprintf(stderr, "unknown %d\n", devtype);
+                       break;
+       };
+#endif
+       mwdevice->devtype = devtype;
+       if (mwdevice->mw_get_device_type_response_cb != NULL)
+               mwdevice->mw_get_device_type_response_cb(mwdevice, devtype, mwdevice->mw_gdtypersp_data);
+       return 0;
+}
+
+void mw_set_get_device_type_response_cb(mwdevice_t *mwdevice, void (*mw_get_device_type_response_cb) (mwdevice_t *mwdevice, unsigned char devtype, void *user_data), void *user_data)
+{
+       if (mw_get_device_type_response_cb != NULL)
+               mwdevice->mw_get_device_type_response_cb = mw_get_device_type_response_cb;
+       if (user_data != NULL)
+               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;
-       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;
        }
@@ -296,11 +384,9 @@ 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];
-       clk1224 = rtcrsp[8];
-       date_fmt = rtcrsp[9];
 
 #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);
@@ -319,21 +405,22 @@ 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)
 {
-       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
-       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)
-               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;
 }
 
-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;
@@ -341,6 +428,7 @@ void mw_set_get_battery_voltage_response_cb(mwdevice_t *mwdevice, void (*mw_get_
                mwdevice->mw_gbatvrsp_data = user_data;
 }
 
+#if 0
 int mw_read_button_config_response(mwdevice_t *mwdevice, unsigned char *btnrsp, int len)
 {
 #ifdef DEBUG
@@ -360,6 +448,7 @@ int mw_read_button_config_response(mwdevice_t *mwdevice, unsigned char *btnrsp,
 
        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)
 {
@@ -369,23 +458,42 @@ void mw_set_read_button_config_response_cb(mwdevice_t *mwdevice, void (*mw_read_
                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)
 {
-       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
-       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)
-               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;
 }
 
-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;
@@ -398,9 +506,10 @@ int mw_status_change_event(mwdevice_t *mwdevice, unsigned char option, unsigned
        unsigned char mode = (option & 0x0f);
        unsigned char status = statrsp[0];
 #ifdef DEBUG
-       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
 
+       // 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);
 
@@ -415,12 +524,49 @@ void mw_set_status_change_event_cb(mwdevice_t *mwdevice, void (*mw_status_change
                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
  * ---------------------------------------------------------------------- */
 
-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;
@@ -435,18 +581,10 @@ int decode_frame(mwdevice_t *mwdevice, unsigned char *buf, int len)
                fprintf(stderr, "decode frame CRC error\n");
                return -1;
        }
-#ifdef DEBUG
-        else
-               fprintf(stderr, "decode frame CRC OK\n");
-#endif
        if (buf[0] != MW_SOF) {
                fprintf(stderr, "decode frame SOF not found\n");
                return -1;
        }
-#ifdef DEBUG
-        else
-       fprintf(stderr, "decode frame found SOF\n");
-#endif
 
        msglen = buf[1];
        msgtype = buf[2];
@@ -456,28 +594,7 @@ int decode_frame(mwdevice_t *mwdevice, unsigned char *buf, int len)
 
        switch (msgtype) {
                case MW_GET_DEVICE_TYPE_RSP:
-                       fprintf(stderr, "Got device type ");
-                       switch(msgdata[0]) {
-                               case 0:
-                                       fprintf(stderr, "Reserved\n");
-                                       break;
-                               case 1:
-                                       fprintf(stderr, "Ana-Digi\n");
-                                       break;
-                               case 2:
-                                       fprintf(stderr, "Digital\n");
-                                       break;
-                               case 3:
-                                       fprintf(stderr, "Development Board Digital\n");
-                                       break;
-                               case 4:
-                                       fprintf(stderr, "Development Board Ana-Digi\n");
-                                       break;
-                               default:
-                                       fprintf(stderr, "unknown %d\n", msgdata[0]);
-                                       break;
-                       };
-                       mwdevice->devtype = msgdata[0];
+                       mw_get_device_type_response(mwdevice, msgdata[0]);
                        break;
                case MW_GET_INFORMATION_STRING_RSP:
                        msgdata[len-2] = 0;
@@ -492,23 +609,50 @@ 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_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;
+#endif
                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:
-                       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:
+#ifdef DEBUG
                        fprintf(stderr, "Unkown msgtype 0x%02x\n", msgtype);
+#endif
                        break;
        };
 
@@ -516,6 +660,38 @@ 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
  * ---------------------------------------------------------------------- */
@@ -524,6 +700,8 @@ int mw_init(mwdevice_t *mwdevice, int 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);