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fix pattern state engine

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This commit is contained in:
Wolfgang Hottgenroth
2019-02-11 13:25:01 +01:00
parent 969f198084
commit b1d19846a6
1 changed files with 64 additions and 70 deletions
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134
pattern.c
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@ -9,7 +9,8 @@
uint8_t temperature = 21;
const uint8_t TEMPERATURE_THRESHOLD = 25;
tColor lockedColor = OFF;
void patternSetTemperature(uint8_t t) {
temperature = t;
@ -35,6 +36,7 @@ void patternExec() {
}
*/
/*
void patternTestBlueExec() {
static uint8_t state = 0;
static uint8_t column = 0;
@ -76,63 +78,52 @@ void patternTestBlueExec() {
break;
}
}
*/
static bool _patternChangeColor() {
tColor newColor = OFF;
bool changed = false;
if (temperature > TEMPERATURE_THRESHOLD) {
newColor = RED;
} else {
newColor = BLUE;
}
if ((newColor != lockedColor) || (lockedColor == OFF)) {
lockedColor = newColor;
changed = true;
}
return changed;
}
uint8_t _patternStayCnt() {
uint8_t s = 0;
if (temperature < TEMPERATURE_THRESHOLD) {
s = TEMPERATURE_THRESHOLD - temperature;
} else if (temperature > (TEMPERATURE_THRESHOLD * 2)) {
s = 0;
} else {
s = (TEMPERATURE_THRESHOLD * 2) - temperature;
}
if (s == 0) {
s = 1;
}
return s;
}
void patternExec() {
static uint8_t state = 0;
static uint8_t column = 0;
static uint8_t stay = 0;
static uint8_t delay = 0;
static uint8_t stayCnt = 0;
static uint8_t baseRow = 0;
static tColor lockedColor = OFF;
tColor newColor;
switch (state) {
case 0:
// initialize
if (temperature < TEMPERATURE_THRESHOLD) {
delay = TEMPERATURE_THRESHOLD - temperature;
newColor = BLUE;
} else if (temperature > (TEMPERATURE_THRESHOLD * 2)) {
delay = 0;
newColor = RED;
} else {
delay = (TEMPERATURE_THRESHOLD * 2) - temperature;
newColor = RED;
}
if (delay == 0) {
delay = 1;
}
if ((newColor != lockedColor) || (lockedColor == OFF)) {
lockedColor = newColor;
state = 1;
} else {
state = 2;
}
break;
case 1:
// initialize at start or at color change
for (uint8_t c = 0; c <= 3; c++) {
for (uint8_t r = 0; r <= 3; r++) {
ledSetMatrix(c, r, OFF);
}
}
_patternChangeColor();
stay = _patternStayCnt();
baseRow = (lockedColor == RED) ? 3 : 0;
ledSetMatrix(0, baseRow, lockedColor);
@ -140,58 +131,61 @@ void patternExec() {
ledSetMatrix(2, baseRow, lockedColor);
ledSetMatrix(3, baseRow, lockedColor);
state = 1;
state = 2;
break;
case 1:
case 2:
// select new column, row 2
column = myrand() & 0x3;
ledSetMatrix(column, (lockedColor == RED) ? 2 : 1, lockedColor);
stayCnt = 0;
state = 2;
break;
case 2:
// stay
if (stayCnt >= stay) {
state = 3;
}
stayCnt++;
state = 3;
break;
case 3:
// stay
if (stayCnt >= delay) {
state = 4;
} else {
stayCnt++;
}
break;
case 4:
// same column, row 1
ledSetMatrix(column, (lockedColor == RED) ? 1 : 2, lockedColor);
ledSetMatrix(column, (lockedColor == RED) ? 2 : 1, OFF);
stayCnt = 0;
state = 4;
break;
case 4:
// stay
if (stayCnt >= stay) {
state = 5;
}
stayCnt++;
state = 5;
break;
case 5:
// stay
if (stayCnt >= delay) {
state = 6;
} else {
stayCnt++;
}
break;
case 6:
// same column, row 0
ledSetMatrix(column, (lockedColor == RED) ? 0 : 3, lockedColor);
ledSetMatrix(column, (lockedColor == RED) ? 1 : 2, OFF);
stayCnt = 0;
state = 6;
break;
case 6:
// stay
if (stayCnt >= stay) {
state = 7;
}
stayCnt++;
state = 7;
break;
case 7:
// stay
if (stayCnt >= delay) {
state = 8;
} else {
stayCnt++;
}
break;
case 8:
// same column, row 0 off
ledSetMatrix(column, (lockedColor == RED) ? 0 : 3, OFF);
state = _patternChangeColor() ? 0 : 1;
stay = _patternStayCnt();
state = 0;
break;
default:
state = 0;
lockedColor = OFF;
break;
}
}