| 1 | //----------------------------------------------------------------------------- |
| 2 | // Jonathan Westhues, Aug 2005 |
| 3 | // |
| 4 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, |
| 5 | // at your option, any later version. See the LICENSE.txt file for the text of |
| 6 | // the license. |
| 7 | //----------------------------------------------------------------------------- |
| 8 | // Utility functions used in many places, not specific to any piece of code. |
| 9 | //----------------------------------------------------------------------------- |
| 10 | |
| 11 | #ifndef __UTIL_H |
| 12 | #define __UTIL_H |
| 13 | |
| 14 | #include <stddef.h> |
| 15 | #include <stdint.h> |
| 16 | #include "common.h" |
| 17 | |
| 18 | #define BYTEx(x, n) (((x) >> (n * 8)) & 0xff ) |
| 19 | |
| 20 | #define LED_RED 1 |
| 21 | #define LED_ORANGE 2 |
| 22 | #define LED_GREEN 4 |
| 23 | #define LED_RED2 8 |
| 24 | #define BUTTON_HOLD 1 |
| 25 | #define BUTTON_NO_CLICK 0 |
| 26 | #define BUTTON_SINGLE_CLICK -1 |
| 27 | #define BUTTON_DOUBLE_CLICK -2 |
| 28 | #define BUTTON_ERROR -99 |
| 29 | |
| 30 | void print_result(char *name, uint8_t *buf, size_t len); |
| 31 | size_t nbytes(size_t nbits); |
| 32 | uint32_t SwapBits(uint32_t value, int nrbits); |
| 33 | void num_to_bytes(uint64_t n, size_t len, uint8_t* dest); |
| 34 | uint64_t bytes_to_num(uint8_t* src, size_t len); |
| 35 | void rol(uint8_t *data, const size_t len); |
| 36 | void lsl (uint8_t *data, size_t len); |
| 37 | int32_t le24toh (uint8_t data[3]); |
| 38 | |
| 39 | void LED(int led, int ms); |
| 40 | void LEDsoff(); |
| 41 | int BUTTON_CLICKED(int ms); |
| 42 | int BUTTON_HELD(int ms); |
| 43 | void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information); |
| 44 | |
| 45 | //iceman's ticks.h |
| 46 | #ifndef GET_TICKS |
| 47 | # define GET_TICKS (uint32_t)((AT91C_BASE_TC1->TC_CV << 16) | AT91C_BASE_TC0->TC_CV) |
| 48 | #endif |
| 49 | |
| 50 | void SpinDelay(int ms); |
| 51 | void SpinDelayUs(int us); |
| 52 | |
| 53 | void StartTickCount(); |
| 54 | uint32_t RAMFUNC GetTickCount(); |
| 55 | |
| 56 | void StartCountUS(); |
| 57 | uint32_t RAMFUNC GetCountUS(); |
| 58 | uint32_t RAMFUNC GetDeltaCountUS(); |
| 59 | |
| 60 | void StartCountSspClk(); |
| 61 | void ResetSspClk(void); |
| 62 | uint32_t RAMFUNC GetCountSspClk(); |
| 63 | |
| 64 | extern void StartTicks(void); |
| 65 | extern void WaitTicks(uint32_t ticks); |
| 66 | extern void WaitUS(uint16_t us); |
| 67 | extern void WaitMS(uint16_t ms); |
| 68 | extern void ResetTicks(); |
| 69 | extern void ResetTimer(AT91PS_TC timer); |
| 70 | extern void StopTicks(void); |
| 71 | // end iceman's ticks.h |
| 72 | |
| 73 | uint32_t prand(); |
| 74 | |
| 75 | #endif |