1 files changed, 29 insertions, 0 deletions
diff --git a/src/obd2/extras.c b/src/obd2/extras.c
new file mode 100644
index 00000000..ec1d996b
--- /dev/null
+++ b/src/obd2/extras.c
@@ -0,0 +1,29 @@
+#include <obd2/obd2.h>
+
+// TODO everything below here is for future work...not critical for now.
+
+DiagnosticRequestHandle diagnostic_request_malfunction_indicator_status(
+        DiagnosticShims* shims,
+        DiagnosticMilStatusReceived callback) {
+    // TODO request malfunction indicator light (MIL) status - request mode 1
+    // pid 1, parse first bit
+}
+
+DiagnosticRequestHandle diagnostic_request_vin(DiagnosticShims* shims,
+        DiagnosticVinReceived callback) {
+}
+
+DiagnosticRequestHandle diagnostic_request_dtc(DiagnosticShims* shims,
+        DiagnosticTroubleCodeType dtc_type,
+        DiagnosticTroubleCodesReceived callback) {
+}
+
+bool diagnostic_clear_dtc(DiagnosticShims* shims) {
+}
+
+DiagnosticRequestHandle diagnostic_enumerate_pids(DiagnosticShims* shims,
+        DiagnosticRequest* request, DiagnosticPidEnumerationReceived callback) {
+    // before calling the callback, split up the received bytes into 1 or 2 byte
+    // chunks depending on the mode so the final pid list is actual 1 or 2 byte PIDs
+    // TODO request supported PIDs  - request PID 0 and parse 4 bytes in response
+}