Diff: line_util.h

Revision:

0:5d5265391846

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/line_util.h	Mon Aug 13 07:05:57 2012 +0000
@@ -0,0 +1,75 @@
+#pragma once
+// TCP Echo server
+// 02/09/2011
+
+
+/*
+
+Hi there!
+
+*/
+
+#ifndef _LINE_UTIL_H
+#define _LINE_UTIL_H
+
+
+#define LINE_MAX_LEN 100
+#define NUM_LINES 51
+
+
+#include <time.h>
+
+
+typedef enum
+{
+  LINE_SRC_INVALID,    // 0 - Invalid Source
+  LINE_SRC_DEBUG,   // 1 - Internal DEBUG Source
+  LINE_SRC_HOST,    // 2 - HOST USB Port Source
+  LINE_SRC_GPS,     // 3 - GPS TTL Port Source
+  LINE_SRC_IMU,     // 4 - IMU TTL Port Source
+  LINE_SRC_WHEEL,   // 5 - Wheel Source (serial encoder or QEI)
+  LINE_SRC_BUTTONS, // 6 - GPIO Buttons Source
+  LINE_SRC_NONE,
+  LINE_SRC_COUNT, // 9 - Invalid source
+}LINE_SRC_T;
+
+
+extern const char* const LINE_SRC_NAMES[LINE_SRC_COUNT];  
+
+
+// This is a type to store a timestamp for each line.
+typedef struct _LINE_T
+{
+  LINE_SRC_T source; // Keep track of who's talking
+  time_t timestamp; // 32bit unsigned unix epochtime
+  uint32_t usec; // 32 bit unsigned microsecond counter
+  uint16_t len; // length of line
+  char line[LINE_MAX_LEN+1]; // Add an extra index to null-terminate.
+}LINE_T;
+
+
+unsigned int strip_crlf(char* src);
+
+
+unsigned int SLines_get_fill();
+
+
+unsigned int SLines_get_capacity();
+
+
+LINE_T* SLine_put(LINE_T* line);
+
+
+LINE_T* SLine_get();
+
+
+void SLine_remove();
+
+
+void SLine_clear();
+
+
+void SLine_put_control(bool ctrl);
+
+
+#endif
\ No newline at end of file