1 files changed, 71 insertions, 0 deletions
diff --git a/libs/uds-c/src/uds/extras.h b/libs/uds-c/src/uds/extras.h
new file mode 100644
index 0000000..126e5d4
--- /dev/null
+++ b/libs/uds-c/src/uds/extras.h
@@ -0,0 +1,71 @@
+#ifndef __EXTRAS_H__
+#define __EXTRAS_H__
+
+#include <uds/uds_types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// TODO everything in here is unused for the moment!
+
+typedef enum {
+    POWERTRAIN = 0x0,
+    CHASSIS = 0x1,
+    BODY = 0x2,
+    NETWORK = 0x3
+} DiagnosticTroubleCodeGroup;
+
+typedef struct {
+    DiagnosticTroubleCodeGroup group;
+    uint8_t group_num;
+    uint8_t code;
+} DiagnosticTroubleCode;
+
+
+/* Private: TODO unused for now
+ */
+typedef enum {
+    DTC_EMISSIONS,
+    DTC_DRIVE_CYCLE,
+    DTC_PERMANENT
+} DiagnosticTroubleCodeType;
+
+
+// TODO should we enumerate every OBD-II PID? need conversion formulas, too
+typedef struct {
+    uint16_t pid;
+    uint8_t bytes_returned;
+    float min_value;
+    float max_value;
+} DiagnosticParameter;
+
+typedef void (*DiagnosticMilStatusReceived)(bool malfunction_indicator_status);
+typedef void (*DiagnosticVinReceived)(uint8_t vin[]);
+typedef void (*DiagnosticTroubleCodesReceived)(
+        DiagnosticMode mode, DiagnosticTroubleCode* codes);
+typedef void (*DiagnosticPidEnumerationReceived)(
+        const DiagnosticResponse* response, uint16_t* pids);
+
+DiagnosticRequestHandle diagnostic_request_malfunction_indicator_status(
+        DiagnosticShims* shims,
+        DiagnosticMilStatusReceived callback);
+
+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);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __EXTRAS_H__