Add test cases from vi-firmware.

[apps/agl-service-can-low-level.git] / src / canutil / read.h

diff --git a/src/canutil/read.h b/src/canutil/read.h
index 815f26b..6ac4eeb 100644 (file)
--- a/src/canutil/read.h
+++ b/src/canutil/read.h
@@ -4,10 +4,26 @@
 #include <stdint.h>
 #include <stdbool.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Public: Parse a CAN signal from a message and apply required transformation.
+ *
+ * signal - The details of the signal to decode and forward.
+ * data   - The raw bytes of the CAN message that contains the signal, assumed
+ *      to be in big-endian byte order from CAN.
+ *
+ * Returns the final, transformed value of the signal.
+ */
 float parseFloat(uint64_t data, uint8_t bitPosition, uint8_t bitSize,
         float factor, float offset);
 
 bool parseBoolean(uint64_t data, uint8_t bitPosition, uint8_t bitSize,
         float factor, float offset);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif // __READ_H__