IQ.Pilot Release Commit @ 0798119

2026-08-22 23:42:42 -05:00
commit b42569dbca
4529 changed files with 1132125 additions and 0 deletions
--- a/panda/board/crc.h
+++ b/panda/board/crc.h
@@ -0,0 +1,19 @@
+#pragma once
+
+uint8_t crc_checksum(const uint8_t *dat, int len, const uint8_t poly) {
+  uint8_t crc = 0xFFU;
+  int i;
+  int j;
+  for (i = len - 1; i >= 0; i--) {
+    crc ^= dat[i];
+    for (j = 0; j < 8; j++) {
+      if ((crc & 0x80U) != 0U) {
+        crc = (uint8_t)((crc << 1) ^ poly);
+      }
+      else {
+        crc <<= 1;
+      }
+    }
+  }
+  return crc;
+}