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76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
//-----------------------------------------------------------------------------
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// Jonathan Westhues, Aug 2005
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// Utility functions used in many places, not specific to any piece of code.
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//-----------------------------------------------------------------------------
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#ifndef __UTIL_H
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#define __UTIL_H
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#include <stddef.h>
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#include <stdint.h>
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#include "common.h"
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#define BYTEx(x, n) (((x) >> (n * 8)) & 0xff )
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#define LED_RED 1
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#define LED_ORANGE 2
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#define LED_GREEN 4
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#define LED_RED2 8
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#define BUTTON_HOLD 1
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#define BUTTON_NO_CLICK 0
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#define BUTTON_SINGLE_CLICK -1
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#define BUTTON_DOUBLE_CLICK -2
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#define BUTTON_ERROR -99
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void print_result(char *name, uint8_t *buf, size_t len);
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size_t nbytes(size_t nbits);
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uint32_t SwapBits(uint32_t value, int nrbits);
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void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
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uint64_t bytes_to_num(uint8_t* src, size_t len);
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void rol(uint8_t *data, const size_t len);
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void lsl (uint8_t *data, size_t len);
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int32_t le24toh (uint8_t data[3]);
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void LED(int led, int ms);
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void LEDsoff();
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int BUTTON_CLICKED(int ms);
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int BUTTON_HELD(int ms);
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void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
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//iceman's ticks.h
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#ifndef GET_TICKS
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# define GET_TICKS (uint32_t)((AT91C_BASE_TC1->TC_CV << 16) | AT91C_BASE_TC0->TC_CV)
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#endif
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void SpinDelay(int ms);
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void SpinDelayUs(int us);
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void StartTickCount();
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uint32_t RAMFUNC GetTickCount();
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void StartCountUS();
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uint32_t RAMFUNC GetCountUS();
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uint32_t RAMFUNC GetDeltaCountUS();
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void StartCountSspClk();
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void ResetSspClk(void);
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uint32_t RAMFUNC GetCountSspClk();
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extern void StartTicks(void);
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extern void WaitTicks(uint32_t ticks);
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extern void WaitUS(uint16_t us);
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extern void WaitMS(uint16_t ms);
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extern void ResetTicks();
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extern void ResetTimer(AT91PS_TC timer);
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extern void StopTicks(void);
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// end iceman's ticks.h
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uint32_t prand();
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#endif
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