candump: Enable HW timestamping before using it

[can-utils.git] / lib.h

diff --git a/lib.h b/lib.h
index 4f361389e346747e74fadf8c1e1cccb906c264bf..2837278a3639c5f327114701e0886190052ab015 100644 (file)
--- a/lib.h
+++ b/lib.h
@@ -41,6 +41,11 @@
  *
  */
 
+#ifndef CAN_UTILS_LIB_H
+#define CAN_UTILS_LIB_H
+
+#include <stdio.h>
+
 /* buffer sizes for CAN frame string representations */
 
 #define CL_ID (sizeof("12345678##1"))
@@ -102,7 +107,7 @@ int parse_canframe(char *cs, struct canfd_frame *cf);
  * CAN FD frames
  * - string layout <can_id>##<flags>{data}
  * - <flags> a single ASCII Hex value (0 .. F) which defines canfd_frame.flags
- * - {data} has 0 to 64 hex-values that can (optionally) be seperated by '.'
+ * - {data} has 0 to 64 hex-values that can (optionally) be separated by '.'
  * - return value on successful parsing: CANFD_MTU
  *
  * Return value on detected problems: 0
@@ -146,15 +151,15 @@ void fprint_canframe(FILE *stream , struct canfd_frame *cf, char *eol, int sep,
 void sprint_canframe(char *buf , struct canfd_frame *cf, int sep, int maxdlen);
 /*
  * Creates a CAN frame hexadecimal output in compact format.
- * The CAN data[] is seperated by '.' when sep != 0.
+ * The CAN data[] is separated by '.' when sep != 0.
  *
  * The type of the CAN frame (CAN 2.0 / CAN FD) is specified by maxdlen:
  * maxdlen = 8 -> CAN2.0 frame
  * maxdlen = 64 -> CAN FD frame
  *
- * 12345678#112233 -> exended CAN-Id = 0x12345678, len = 3, data, sep = 0
- * 12345678#R -> exended CAN-Id = 0x12345678, RTR, len = 0
- * 12345678#R5 -> exended CAN-Id = 0x12345678, RTR, len = 5
+ * 12345678#112233 -> extended CAN-Id = 0x12345678, len = 3, data, sep = 0
+ * 12345678#R -> extended CAN-Id = 0x12345678, RTR, len = 0
+ * 12345678#R5 -> extended CAN-Id = 0x12345678, RTR, len = 5
  * 123#11.22.33.44.55.66.77.88 -> standard CAN-Id = 0x123, dlc = 8, sep = 1
  * 32345678#112233 -> error frame with CAN_ERR_FLAG (0x2000000) set
  * 123##0112233 -> CAN FD frame standard CAN-Id = 0x123, flags = 0, len = 3
@@ -184,11 +189,11 @@ void sprint_long_canframe(char *buf , struct canfd_frame *cf, int view, int maxd
  * maxdlen = 8 -> CAN2.0 frame
  * maxdlen = 64 -> CAN FD frame
  *
- * 12345678   [3]  11 22 33 -> exended CAN-Id = 0x12345678, dlc = 3, data
- * 12345678   [0]  remote request -> exended CAN-Id = 0x12345678, RTR
+ * 12345678   [3]  11 22 33 -> extended CAN-Id = 0x12345678, dlc = 3, data
+ * 12345678   [0]  remote request -> extended CAN-Id = 0x12345678, RTR
  * 14B0DC51   [8]  4A 94 E8 2A EC 58 55 62   'J..*.XUb' -> (with ASCII output)
  * 20001111   [7]  C6 23 7B 32 69 98 3C      ERRORFRAME -> (CAN_ERR_FLAG set)
- * 12345678  [03]  11 22 33 -> CAN FD with exended CAN-Id = 0x12345678, dlc = 3
+ * 12345678  [03]  11 22 33 -> CAN FD with extended CAN-Id = 0x12345678, dlc = 3
  *
  * 123   [3]  11 22 33         -> CANLIB_VIEW_INDENT_SFF == 0
  *      123   [3]  11 22 33    -> CANLIB_VIEW_INDENT_SFF == set
@@ -203,8 +208,10 @@ void sprint_long_canframe(char *buf , struct canfd_frame *cf, int view, int maxd
  *
  */
 
-void snprintf_can_error_frame(char *buf, size_t len, struct canfd_frame *cf,
-                             char *sep);
+void snprintf_can_error_frame(char *buf, size_t len, const struct canfd_frame *cf,
+                  const char *sep);
 /*
  * Creates a CAN error frame output in user readable format.
  */
+
+#endif