138 lines
4.0 KiB
C++
138 lines
4.0 KiB
C++
#include "wled.h"
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/*
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* Adalight and TPM2 handler
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*/
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enum class AdaState {
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Header_A,
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Header_d,
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Header_a,
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Header_CountHi,
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Header_CountLo,
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Header_CountCheck,
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Data_Red,
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Data_Green,
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Data_Blue,
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TPM2_Header_Type,
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TPM2_Header_CountHi,
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TPM2_Header_CountLo
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};
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void handleSerial()
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{
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if (pinManager.isPinAllocated(3)) return;
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#ifdef WLED_ENABLE_ADALIGHT
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static auto state = AdaState::Header_A;
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static uint16_t count = 0;
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static uint16_t pixel = 0;
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static byte check = 0x00;
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static byte red = 0x00;
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static byte green = 0x00;
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while (Serial.available() > 0)
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{
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yield();
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byte next = Serial.peek();
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switch (state) {
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case AdaState::Header_A:
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if (next == 'A') state = AdaState::Header_d;
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else if (next == 0xC9) { //TPM2 start byte
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state = AdaState::TPM2_Header_Type;
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}
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else if (next == '{') { //JSON API
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bool verboseResponse = false;
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#ifdef WLED_USE_DYNAMIC_JSON
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DynamicJsonDocument doc(JSON_BUFFER_SIZE);
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#else
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while (jsonBufferLock) delay(1);
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jsonBufferLock = true;
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doc.clear();
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#endif
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Serial.setTimeout(100);
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DeserializationError error = deserializeJson(doc, Serial);
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if (error) {
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jsonBufferLock = false;
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return;
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}
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fileDoc = &doc;
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verboseResponse = deserializeState(doc.as<JsonObject>());
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fileDoc = nullptr;
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//only send response if TX pin is unused for other purposes
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if (verboseResponse && !pinManager.isPinAllocated(1)) {
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doc.clear();
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JsonObject state = doc.createNestedObject("state");
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serializeState(state);
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JsonObject info = doc.createNestedObject("info");
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serializeInfo(info);
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serializeJson(doc, Serial);
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}
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jsonBufferLock = false;
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}
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break;
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case AdaState::Header_d:
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if (next == 'd') state = AdaState::Header_a;
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else state = AdaState::Header_A;
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break;
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case AdaState::Header_a:
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if (next == 'a') state = AdaState::Header_CountHi;
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else state = AdaState::Header_A;
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break;
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case AdaState::Header_CountHi:
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pixel = 0;
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count = next * 0x100;
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check = next;
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state = AdaState::Header_CountLo;
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break;
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case AdaState::Header_CountLo:
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count += next + 1;
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check = check ^ next ^ 0x55;
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state = AdaState::Header_CountCheck;
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break;
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case AdaState::Header_CountCheck:
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if (check == next) state = AdaState::Data_Red;
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else state = AdaState::Header_A;
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break;
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case AdaState::TPM2_Header_Type:
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state = AdaState::Header_A; //(unsupported) TPM2 command or invalid type
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if (next == 0xDA) state = AdaState::TPM2_Header_CountHi; //TPM2 data
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else if (next == 0xAA) Serial.write(0xAC); //TPM2 ping
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break;
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case AdaState::TPM2_Header_CountHi:
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pixel = 0;
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count = (next * 0x100) /3;
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state = AdaState::TPM2_Header_CountLo;
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break;
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case AdaState::TPM2_Header_CountLo:
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count += next /3;
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state = AdaState::Data_Red;
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break;
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case AdaState::Data_Red:
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red = next;
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state = AdaState::Data_Green;
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break;
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case AdaState::Data_Green:
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green = next;
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state = AdaState::Data_Blue;
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break;
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case AdaState::Data_Blue:
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byte blue = next;
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if (!realtimeOverride) setRealtimePixel(pixel++, red, green, blue, 0);
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if (--count > 0) state = AdaState::Data_Red;
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else {
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// if (!realtimeMode && bri == 0) strip.setBrightness(briLast); //realtimeLock() handles turning strip on/off
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realtimeLock(realtimeTimeoutMs, REALTIME_MODE_ADALIGHT);
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if (!realtimeOverride) strip.show();
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state = AdaState::Header_A;
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}
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break;
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}
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Serial.read(); //discard the byte
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}
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#endif
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}
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