Revision 1991
Updated some random number generators to have more entropy.
| validTurns.c | ||
|---|---|---|
| 22 | 22 |
#define SHIFT(s)( (s)<<1) |
| 23 | 23 |
#define RESEED(s)( (s)=( ( ((GET16(s)^GET14(s))^GET13(s))^GET11(s) ) | SHIFT(s) ) )/*reseeding the first bit of the number with bits from the number*/ |
| 24 | 24 |
|
| 25 |
unsigned int seed = 0xC0DE; |
|
| 26 |
int randomNumGen(int max){
|
|
| 27 |
//int a = 0; // not currently in use |
|
| 28 |
//int b = 0xBEEF; |
|
| 29 |
seed++; |
|
| 30 |
return seed%4; |
|
| 25 |
unsigned int turnseed = 0xC0DE; |
|
| 26 |
int resolvRandomNumberGen(int max){
|
|
| 27 |
turnseed *= (rtc_get() + encoder_read(LEFT))%9; |
|
| 28 |
return turnseed % max; |
|
| 31 | 29 |
} |
| 32 | 30 |
|
| 33 | 31 |
/* |
| 34 |
int randomNumGen(int max){
|
|
| 35 |
return rtc_get() % max; |
|
| 36 |
} |
|
| 37 |
int randomNumGen(int max){
|
|
| 38 |
int a = 1337; |
|
| 39 |
int b = 0xDEADBEEF; |
|
| 40 |
seed++; |
|
| 41 |
return seed%max; |
|
| 42 |
} |
|
| 43 |
*/ |
|
| 44 |
|
|
| 45 |
/* |
|
| 46 | 32 |
int getIntersectType(int barcode) |
| 47 | 33 |
{
|
| 48 | 34 |
return randomNumGen(5); |
| ... | ... | |
| 54 | 40 |
} |
| 55 | 41 |
*/ |
| 56 | 42 |
|
| 57 |
int getTurnType(int barcode)
|
|
| 43 |
char getTurnType(char barcode)
|
|
| 58 | 44 |
{
|
| 59 | 45 |
return randomNumGen(4); |
| 60 | 46 |
} |
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