+//-----------------------------------------------------------------------------
+// Jonathan Westhues, Aug 2005
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Utility functions used in many places, not specific to any piece of code.
+//-----------------------------------------------------------------------------
+
#ifndef __UTIL_H
#define __UTIL_H
#include <stddef.h>
#include <stdint.h>
+#define RAMFUNC __attribute((long_call, section(".ramfunc")))
+
+#define BYTEx(x, n) (((x) >> (n * 8)) & 0xff )
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+
#define LED_RED 1
#define LED_ORANGE 2
#define LED_GREEN 4
#define BUTTON_SINGLE_CLICK -1
#define BUTTON_DOUBLE_CLICK -2
#define BUTTON_ERROR -99
-int strlen(const char *str);
-void *memcpy(void *dest, const void *src, int len);
-void *memset(void *dest, int c, int len);
-int memcmp(const void *av, const void *bv, int len);
-char *strncat(char *dest, const char *src, unsigned int n);
+
+uint32_t SwapBits(uint32_t value, int nrbits);
void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
uint64_t bytes_to_num(uint8_t* src, size_t len);
int BUTTON_HELD(int ms);
void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
-#endif
\ No newline at end of file
+void StartTickCount();
+uint32_t RAMFUNC GetTickCount();
+
+void StartCountUS();
+uint32_t RAMFUNC GetCountUS();
+uint32_t RAMFUNC GetDeltaCountUS();
+
+#endif