Increase arb IDs to uint32_t to fit extended IDs.

1 files changed, 8 insertions, 2 deletions

diff --git a/src/uds/uds.h b/src/uds/uds.h
index 22ff36af..1546320e 100644
--- a/src/uds/uds.h
+++ b/src/uds/uds.h
@@ -87,7 +87,7 @@ void start_diagnostic_request(DiagnosticShims* shims,
  * sent.
  */
 DiagnosticRequestHandle diagnostic_request_pid(DiagnosticShims* shims,
-        DiagnosticPidRequestType pid_request_type, uint16_t arbitration_id,
+        DiagnosticPidRequestType pid_request_type, uint32_t arbitration_id,
         uint16_t pid, DiagnosticResponseReceived callback);
 
 /* Public: Continue to send and receive a single diagnostic request, based on a
@@ -106,7 +106,7 @@ DiagnosticRequestHandle diagnostic_request_pid(DiagnosticShims* shims,
  */
 DiagnosticResponse diagnostic_receive_can_frame(DiagnosticShims* shims,
         DiagnosticRequestHandle* handle,
-        const uint16_t arbitration_id, const uint8_t data[],
+        const uint32_t arbitration_id, const uint8_t data[],
         const uint8_t size);
 
 /* Public: Parse the entier payload of the reponse as a single integer.
@@ -145,6 +145,12 @@ void diagnostic_request_to_string(const DiagnosticRequest* request,
  */
 float diagnostic_decode_obd2_pid(const DiagnosticResponse* response);
 
+/* Public: Returns true if the "fingerprint" of the two diagnostic messages
+ * matches - the arbitration_id, mode and pid (or lack of pid).
+ */
+bool diagnostic_request_equals(const DiagnosticRequest* ours,
+        const DiagnosticRequest* theirs);
+
 #ifdef __cplusplus
 }
 #endif