openpilot v0.9.6 release

date: 2024-01-12T10:13:37
master commit: ba792d576a49a0899b88a753fa1c52956bedf9e6

panda/board/safety/safety_elm327.h

@@ -0,0 +1,26 @@
+static bool elm327_tx_hook(CANPacket_t *to_send) {
+  bool tx = true;
+  int addr = GET_ADDR(to_send);
+  int len = GET_LEN(to_send);
+
+  // All ISO 15765-4 messages must be 8 bytes long
+  if (len != 8) {
+    tx = false;
+  }
+
+  // Check valid 29 bit send addresses for ISO 15765-4
+  // Check valid 11 bit send addresses for ISO 15765-4
+  if ((addr != 0x18DB33F1) && ((addr & 0x1FFF00FF) != 0x18DA00F1) &&
+      ((addr & 0x1FFFFF00) != 0x600) && ((addr & 0x1FFFFF00) != 0x700)) {
+    tx = false;
+  }
+  return tx;
+}
+
+// If current_board->has_obd and safety_param == 0, bus 1 is multiplexed to the OBD-II port
+const safety_hooks elm327_hooks = {
+  .init = nooutput_init,
+  .rx = default_rx_hook,
+  .tx = elm327_tx_hook,
+  .fwd = default_fwd_hook,
+};