package dell55AAData;
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import dell_targets.Dell_BaseStation;
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public class Dell55AA02Parser {
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private static final String EXPECTED_HEADER = "55AA02";
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private static final int MIN_LENGTH = 36; // 18×Ö½Ú * 2×Ö·û/×Ö½Ú
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private static final int BASE_ID_START = 8; // »ùÕ¾IDÆðʼλÖÃ(µÚ4×Ö½Ú)
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private static final int SYNC_STATUS_START = 12; // ͬ²½×´Ì¬ÆðʼλÖÃ(µÚ5×Ö½Ú)
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private static final int PRESSURE_START = 14; // ÆøÑ¹ÖµÆðʼλÖÃ(µÚ6×Ö½Ú)
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/**
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* ½âÎö55AA02¸ñʽµÄ»ùÕ¾Êý¾Ý
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* @param message ½ÓÊÕµ½µÄÊý¾Ý£¨Ê®Áù½øÖÆ×Ö·û´®£©
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*/
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public static void parseAndUpdate(String message) {
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// 1. »ù´¡Ð£Ñé
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if (message == null || message.length() < MIN_LENGTH) {
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return;
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}
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// 2. Í·²¿Ð£Ñ飨¹Ì¶¨¿ªÍ·×Ö·û´®£©
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for (int i = 0; i < EXPECTED_HEADER.length(); i++) {
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if (message.charAt(i) != EXPECTED_HEADER.charAt(i)) {
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return;
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}
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}
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// 3. ½âÎö»ùÕ¾ID£¨ÔʼÊý¾Ý×Ö·û´®£©
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String baseId = new String(new char[]{
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message.charAt(BASE_ID_START),
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message.charAt(BASE_ID_START + 1),
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message.charAt(BASE_ID_START + 2),
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message.charAt(BASE_ID_START + 3)
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});
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// 4. ½âÎöͬ²½×´Ì¬£¨1×Ö½Ú£©
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char syncChar = message.charAt(SYNC_STATUS_START + 1); // ȡ״̬×Ö·û
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String syncStatus = (syncChar == '0') ? "0" : "1";
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// 5. ½âÎöÆøÑ¹Öµ£¨4×Ö½ÚС¶ËÐò£©
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int pressure = 0;
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for (int i = 0; i < 8; i += 2) {
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int idx = PRESSURE_START + i;
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// ʹÓÃHexUtilsµÄ¿ìËÙת»»·½·¨
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int byteValue = HexUtils.fastHexToByte(message.charAt(idx), message.charAt(idx + 1));
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pressure |= (byteValue << (i * 4)); // С¶ËºÏ²¢
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}
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String pressureStr = String.valueOf(pressure);
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// 6. ¸üлùÕ¾Êý¾Ý
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updateBaseStationData(baseId, syncStatus ,pressureStr);
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}
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/**
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* ¸üлùÕ¾Êý¾Ý
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* @param baseId »ùÕ¾ID
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* @param syncStatus ͬ²½×´Ì¬
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* @param pressure ÆøÑ¹Öµ×Ö·û´®
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*/
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private static void updateBaseStationData(String baseId, String syncStatus, String pressure) {
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Dell_BaseStation.updateBaseStationProperty(baseId, "syncStatus", syncStatus);
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Dell_BaseStation.updateBaseStationProperty(baseId, "barometerReading", pressure);
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}
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}
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