adebaumann/arduino_gauge_controller
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Blinking added to Arduino

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This commit is contained in:
Adrian A. Baumann
2026-04-15 21:53:01 +02:00
parent 19b1a7c6e5
commit 4a7551e358
2 changed files with 80 additions and 2 deletions
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79
Gaugecontroller/Gaugecontroller.ino
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@@ -70,11 +70,21 @@ struct Gauge {
bool sweepTowardMax = true;
};
struct BlinkState {
bool active = false;
uint32_t onMs = 500;
uint32_t offMs = 500;
CRGB onColor;
bool currentlyOn = false;
unsigned long lastToggleMs = 0;
};
Gauge gauges[GAUGE_COUNT];
String rxLine;
CRGB leds[TOTAL_LEDS];
uint8_t gaugeLedOffset[GAUGE_COUNT];
BlinkState blinkState[TOTAL_LEDS];
void sendReply(const String& s) {
CMD_PORT.println(s);
@@ -531,8 +541,10 @@ bool parseLed(const String& line) {
sendReply("ERR BAD_IDX"); return true;
}
CRGB color(constrain(r, 0, 255), constrain(g, 0, 255), constrain(b, 0, 255));
for (int i = idxFirst; i <= idxLast; i++)
for (int i = idxFirst; i <= idxLast; i++) {
blinkState[gaugeLedOffset[id] + i].active = false;
leds[gaugeLedOffset[id] + i] = color;
}
FastLED.show();
sendReply("OK");
return true;
@@ -540,6 +552,69 @@ bool parseLed(const String& line) {
return false;
}
bool parseBlink(const String& line) {
int id;
char idxToken[16];
long onMs, offMs;
if (sscanf(line.c_str(), "BLINK %d %15s %ld %ld", &id, idxToken, &onMs, &offMs) == 4) {
if (id < 0 || id >= GAUGE_COUNT) { sendReply("ERR BAD_ID"); return true; }
char* dash = strchr(idxToken, '-');
int idxFirst = atoi(idxToken);
int idxLast = dash ? atoi(dash + 1) : idxFirst;
if (idxFirst < 0 || idxLast >= gaugePins[id].ledCount || idxFirst > idxLast) {
sendReply("ERR BAD_IDX"); return true;
}
if (onMs == 0 && offMs == 0) {
for (int i = idxFirst; i <= idxLast; i++)
blinkState[gaugeLedOffset[id] + i].active = false;
sendReply("OK");
return true;
}
if (onMs <= 0 || offMs <= 0) { sendReply("ERR BAD_TIME"); return true; }
unsigned long nowMs = millis();
for (int i = idxFirst; i <= idxLast; i++) {
uint8_t globalIdx = gaugeLedOffset[id] + i;
BlinkState& bs = blinkState[globalIdx];
bs.onColor = leds[globalIdx];
bs.onMs = (uint32_t)onMs;
bs.offMs = (uint32_t)offMs;
bs.currentlyOn = true;
bs.lastToggleMs = nowMs;
bs.active = true;
leds[globalIdx] = bs.onColor;
}
FastLED.show();
sendReply("OK");
return true;
}
return false;
}
void updateBlink() {
unsigned long nowMs = millis();
bool changed = false;
for (uint8_t i = 0; i < GAUGE_COUNT; i++) {
for (uint8_t j = 0; j < gaugePins[i].ledCount; j++) {
uint8_t globalIdx = gaugeLedOffset[i] + j;
BlinkState& bs = blinkState[globalIdx];
if (!bs.active) continue;
uint32_t period = bs.currentlyOn ? bs.onMs : bs.offMs;
if ((nowMs - bs.lastToggleMs) >= period) {
bs.currentlyOn = !bs.currentlyOn;
bs.lastToggleMs = nowMs;
leds[globalIdx] = bs.currentlyOn ? bs.onColor : CRGB::Black;
changed = true;
}
}
}
if (changed) FastLED.show();
}
void processLine(const String& line) {
if (parseSet(line)) return;
if (parseSpeed(line)) return;
@@ -551,6 +626,7 @@ void processLine(const String& line) {
if (parsePosQuery(line)) return;
if (parseLedQuery(line)) return;
if (parseLed(line)) return;
if (parseBlink(line)) return;
if (parsePing(line)) return;
sendReply("ERR BAD_CMD");
@@ -613,6 +689,7 @@ void setup() {
void loop() {
readCommands();
updateBlink();
for (uint8_t i = 0; i < GAUGE_COUNT; i++) {
updateGauge(i);