openpilot v0.9.6 release

date: 2024-02-21T23:02:42 master commit: 0b4d08fab8e35a264bc7383e878538f8083c33e5
2024-02-27 16:34:45 -07:00
commit 2901597132
1940 changed files with 647891 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;
+}