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Update wled_serial.cpp

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Adds serial functionality

Can now change baud rate during runtime to be faster
Retrieve LED strip data as JSON blob
Retrieve LED strip data as BYTES (fast!)
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ChuckMash 2022-01-28 23:35:40 -08:00 committed by GitHub
parent e17203ca1b
commit 22fbb0e35b
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1 changed files with 45 additions and 0 deletions
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45
wled00/wled_serial.cpp
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@ -19,6 +19,15 @@ enum class AdaState {
TPM2_Header_CountLo, TPM2_Header_CountLo,
}; };
void update_baud_rate(int rate){
if (!pinManager.isPinAllocated(1)){
Serial.print("ATTENTION! Baud rate is changing to "); Serial.println(rate);
delay(100);
Serial.end();
Serial.begin(rate);
}
}
void handleSerial() void handleSerial()
{ {
if (pinManager.isPinAllocated(3)) return; if (pinManager.isPinAllocated(3)) return;
@ -31,6 +40,8 @@ void handleSerial()
static byte red = 0x00; static byte red = 0x00;
static byte green = 0x00; static byte green = 0x00;
uint16_t nBytes = 0;
while (Serial.available() > 0) while (Serial.available() > 0)
{ {
yield(); yield();
@ -46,6 +57,40 @@ void handleSerial()
return; return;
} else if (next == 'v') { } else if (next == 'v') {
Serial.print("WLED"); Serial.write(' '); Serial.println(VERSION); Serial.print("WLED"); Serial.write(' '); Serial.println(VERSION);
} else if ( next == 0xB0 ){ update_baud_rate( 115200 );
} else if ( next == 0xB1 ){ update_baud_rate( 230400 );
} else if ( next == 0xB2 ){ update_baud_rate( 460800 );
} else if ( next == 0xB3 ){ update_baud_rate( 500000 );
} else if ( next == 0xB4 ){ update_baud_rate( 576000 );
} else if ( next == 0xB5 ){ update_baud_rate( 921600 );
} else if ( next == 0xB6 ){ update_baud_rate( 1000000 );
} else if ( next == 0xB7 ){ update_baud_rate( 1500000 );
} else if (next == 'l'){ // LED Data return in JSON blob. Slow, but easy to use on the other end.
if (!pinManager.isPinAllocated(1)){
uint16_t used = strip.getLengthTotal();
Serial.print("[");
for (uint16_t i=0; i<used; i+=1){
Serial.print(strip.getPixelColor(i));
if (i != used-1) {Serial.print(",");}}
Serial.println("]");}
} else if (next == 'L'){ // LED Data returned as bytes. Faster, and slightly less easy to use on the other end.
if (!pinManager.isPinAllocated(1)){
// first byte sent back denotes number of color bytes. 0x00 RGB, 0x01 RGBW, 0x02 ??? etc
if (strip.isRgbw){ // alternate idea, merge the white channel down into RGB like recent websocket update. or perhaps 0x02 should be merged white chanel
Serial.write(0x01);
nBytes = 4;}
else{
Serial.write(0x00);
nBytes = 3;}
uint16_t used = strip.getLengthTotal();
for (uint16_t i=0; i<used; i+=1){
uint32_t thing = strip.getPixelColor(i);
Serial.write((byte *) &thing, nBytes);}
Serial.println();}
} else if (next == '{') { //JSON API } else if (next == '{') { //JSON API
bool verboseResponse = false; bool verboseResponse = false;
#ifdef WLED_USE_DYNAMIC_JSON #ifdef WLED_USE_DYNAMIC_JSON