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my own random

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This commit is contained in:
Wolfgang Hottgenroth
2019-02-03 23:19:09 +01:00
parent f6f69dd9b2
commit a31c929053
4 changed files with 159 additions and 10 deletions
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43
pattern.c
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@ -2,7 +2,7 @@
#include "led.h"
#include "PontCoopScheduler.h"
#include <stdlib.h>
#include "myrand.h"
/*
* traversing the whole matrix
@ -73,6 +73,7 @@ void patternExec() {
void patternExec() {
static uint8_t state = 0;
static uint8_t column = 0;
static uint8_t stay = 0;
switch (state) {
case 0:
@ -86,23 +87,47 @@ void patternExec() {
break;
case 1:
// select new column, row 2
column = ((uint8_t) rand()) & 0x3;
column = myrand() & 0x3;
ledSetMatrix(column, 2, RED);
stay = myrand() & 0xf;
state = 2;
break;
case 2:
// stay
if (stay == 0) {
state = 3;
}
stay--;
break;
case 3:
// same column, row 1
ledSetMatrix(column, 1, RED);
ledSetMatrix(column, 2, OFF);
state = 3;
break;
case 3:
// same column, row 0
ledSetMatrix(column, 0, RED);
ledSetMatrix(column, 1, OFF);
stay = myrand() & 0xf;
state = 4;
break;
case 4:
// stay
if (stay == 0) {
state = 5;
}
stay--;
break;
case 5:
// same column, row 0
ledSetMatrix(column, 0, RED);
ledSetMatrix(column, 1, OFF);
stay = myrand() & 0xf;
state = 6;
break;
case 6:
// stay
if (stay == 0) {
state = 7;
}
stay--;
break;
case 7:
// same column, row 0 off
ledSetMatrix(column, 0, OFF);
state = 1;
@ -116,5 +141,5 @@ void patternExec() {
void patternInit() {
schAdd(patternExec, NULL, 0, 1000);
schAdd(patternExec, NULL, 0, 100);
}