remove binary-parsser lib dependency

2026-08-17 13:23:43 +00:00 · 2023-09-14 19:47:16 -05:00
parent d443b313cf
commit 016239b3ad
32 changed files with 373 additions and 455 deletions
@@ -0,0 +1,41 @@
+const { CHUNK_HEADER_SIZE } = require('../../constants');
+const chunk = require('../chunk');
+const dataTrackerFieldChunk = require('./data-tracker-field-chunk');
+
+function decodeTrackerChunk(trackerChunk) {
+  if (trackerChunk.chunk_data && trackerChunk.data_len > 0) {
+    let offset = 0;
+    while (offset < trackerChunk.data_len) {
+      const trackerFieldChunk = dataTrackerFieldChunk(trackerChunk.chunk_data.subarray(offset));
+      offset += CHUNK_HEADER_SIZE;
+      offset += trackerFieldChunk.data_len;
+      switch (trackerFieldChunk.id) {
+        case 0x0000:
+          trackerChunk.pos = trackerFieldChunk;
+          break;
+        case 0x0001:
+          trackerChunk.speed = trackerFieldChunk;
+          break;
+        case 0x0002:
+          trackerChunk.ori = trackerFieldChunk;
+          break;
+        case 0x0003:
+          trackerChunk.status = trackerFieldChunk;
+          break;
+        case 0x0004:
+          trackerChunk.accel = trackerFieldChunk;
+          break;
+        case 0x0005:
+          trackerChunk.trgtpos = trackerFieldChunk;
+          break;
+        case 0x0006:
+          trackerChunk.timestamp = trackerFieldChunk;
+          break;
+        default:
+          break;
+      }
+    }
+  }
+}
+
+module.exports = (buffer) => chunk(buffer, decodeTrackerChunk);