// Utility functions used in many places, not specific to any piece of code.
//-----------------------------------------------------------------------------
-#ifndef __UTIL_H
-#define __UTIL_H
+#ifndef UTIL_H__
+#define UTIL_H__
#include <stddef.h>
#include <stdint.h>
-
-#define RAMFUNC __attribute((long_call, section(".ramfunc")))
+#include "common.h"
+#include "at91sam7s512.h"
#define BYTEx(x, n) (((x) >> (n * 8)) & 0xff )
-#define min(a, b) (((a) > (b)) ? (b) : (a))
-#define LED_RED 1
+#define LED_RED 1
#define LED_ORANGE 2
-#define LED_GREEN 4
-#define LED_RED2 8
-#define BUTTON_HOLD 1
-#define BUTTON_NO_CLICK 0
-#define BUTTON_SINGLE_CLICK -1
-#define BUTTON_DOUBLE_CLICK -2
-#define BUTTON_ERROR -99
-
-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);
-
-void SpinDelay(int ms);
-void SpinDelayUs(int us);
-void LED(int led, int ms);
-void LEDsoff();
-int BUTTON_CLICKED(int ms);
-int BUTTON_HELD(int ms);
-void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
-
-void StartTickCount();
-uint32_t RAMFUNC GetTickCount();
-
-void StartCountUS();
-uint32_t RAMFUNC GetCountUS();
-uint32_t RAMFUNC GetDeltaCountUS();
+#define LED_GREEN 4
+#define LED_RED2 8
+
+#define BUTTON_HOLD 1
+#define BUTTON_NO_CLICK 0
+#define BUTTON_SINGLE_CLICK -1
+#define BUTTON_DOUBLE_CLICK -2
+#define BUTTON_ERROR -99
+
+#define REV8(x) ((((x)>>7)&1)|((((x)>>6)&1)<<1)|((((x)>>5)&1)<<2)|((((x)>>4)&1)<<3)|((((x)>>3)&1)<<4)|((((x)>>2)&1)<<5)|((((x)>>1)&1)<<6)|(((x)&1)<<7))
+#define REV16(x) (REV8(x) | (REV8 (x >> 8) << 8))
+#define REV32(x) (REV16(x) | (REV16(x >> 16) << 16))
+#define REV64(x) (REV32(x) | (REV32(x >> 32) << 32))
+
+extern void print_result(char *name, uint8_t *buf, size_t len);
+extern size_t nbytes(size_t nbits);
+extern uint32_t SwapBits(uint32_t value, int nrbits);
+extern void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
+extern uint64_t bytes_to_num(uint8_t* src, size_t len);
+extern void rol(uint8_t *data, const size_t len);
+extern void lsl (uint8_t *data, size_t len);
+
+extern void LED(int led, int ms);
+extern void LEDsoff();
+extern void LEDson();
+extern void LEDsinvert();
+extern int BUTTON_CLICKED(int ms);
+extern int BUTTON_HELD(int ms);
+extern void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
+
+//iceman's ticks.h
+#ifndef GET_TICKS
+# define GET_TICKS GetTicks()
+#endif
+
+extern void SpinDelay(int ms);
+extern void SpinDelayUs(int us);
+
+extern void StartTickCount();
+extern uint32_t RAMFUNC GetTickCount();
+
+extern void StartCountUS();
+extern uint32_t RAMFUNC GetCountUS();
+extern uint32_t RAMFUNC GetDeltaCountUS();
+
+extern void StartCountSspClk();
+extern void ResetSspClk(void);
+extern uint32_t GetCountSspClk();
+
+extern void StartTicks(void);
+extern uint32_t GetTicks(void);
+extern void WaitTicks(uint32_t ticks);
+extern void WaitUS(uint16_t us);
+extern void WaitMS(uint16_t ms);
+extern void ResetTicks();
+extern void ResetTimer(AT91PS_TC timer);
+extern void StopTicks(void);
+// end iceman's ticks.h
+
+extern uint32_t prand();
#endif