altosui: Add support for downloading TeleMini/TeleNano flight logs

[fw/altos] / altosui / AltosEepromRecord.java

diff --git a/altosui/AltosEepromRecord.java b/altosui/AltosEepromRecord.java
index e5196c50039a69434d36bd661f612ad50bb3ae08..5787af86e6d53fc60640bc35f803c7d71be2c931 100644 (file)
--- a/altosui/AltosEepromRecord.java
+++ b/altosui/AltosEepromRecord.java
@@ -38,6 +38,8 @@ public class AltosEepromRecord {
        public String   data;
        public boolean  tick_valid;
 
+       static final int        record_length = 8;
+
        int[] ParseHex(String line) {
                String[] tokens = line.split("\\s+");
                int[] array = new int[tokens.length];
@@ -51,44 +53,35 @@ public class AltosEepromRecord {
                return array;
        }
 
-       int checksum(int[] line) {
+       int checksum(int[] data, int start) {
                int     csum = 0x5a;
-               for (int i = 1; i < line.length; i++)
-                       csum += line[i];
+               for (int i = 0; i < record_length; i++)
+                       csum += data[i + start];
                return csum & 0xff;
        }
 
-       public AltosEepromRecord (AltosSerial serial_line, int addr)
-               throws TimeoutException, ParseException, InterruptedException {
-               String  line = serial_line.get_reply(5000);
-               if (line == null)
-                       throw new TimeoutException();
-               int[] values = ParseHex(line);
+       public AltosEepromRecord (AltosEepromChunk chunk, int start) throws ParseException {
+
+               cmd = chunk.data(start);
+               tick_valid = true;
 
-               if (values == null || values.length < 9) {
-                       System.out.printf("invalid line %s", line);
-                       throw new ParseException(String.format("inalid line %s", line), 0);
-               }
-               if (values[0] != (addr & 0xff))
-                       throw new ParseException(String.format("data address out of sync at 0x%x",
-                                                              addr), 0);
                int i;
-               for (i = 1; i < values.length; i++)
-                       if (values[i] != 0xff)
+               for (i = 0; i < record_length; i++)
+                       if (chunk.data[start + i] != 0xff)
                                break;
-               cmd = values[1];
-               tick_valid = true;
-               if (i != values.length) {
-                       if (checksum(values) != 0)
-                               throw new ParseException(String.format("invalid checksum at 0x%x in line %s", addr, line), 0);
+               if (i != 8) {
+                       if (checksum(chunk.data, start) != 0)
+                               throw new ParseException(String.format("invalid checksum at 0x%x",
+                                                                      chunk.address + start), 0);
                } else {
                        cmd = Altos.AO_LOG_INVALID;
                        tick_valid = false;
                }
 
-               tick = values[3] + (values[4] << 8);
-               a = values[5] + (values[6] << 8);
-               b = values[7] + (values[8] << 8);
+               tick = chunk.data16(start + 2);
+               a = chunk.data16(start + 4);
+               b = chunk.data16(start + 6);
+
                data = null;
        }