added serialcmds module (#64)

platformio.ini

@@ -22,6 +22,7 @@ build_flags =
 	-DLH=8
 	-DLW=6
 	-DCONFIG_FILE='"/config.conf"'
+
 lib_deps =
 	WireGuard-ESP32
 	IRremoteESP8266
@@ -35,7 +36,9 @@ lib_deps =
 	bblanchon/ArduinoJson
 	rc-switch
 	;https://github.com/Martin-Laclaustra/rc-switch.git#transmittimingsarray
-
+	ESP8266Audio
+	FFat
+	ESP8266SAM
 
 [env:m5stack-cplus2]
 platform = espressif32
@@ -226,6 +229,8 @@ build_flags =
 
 	-DGROVE_SDA=2
 	-DGROVE_SCL=1
+
+	-DARDUINO_USB_CDC_ON_BOOT=1
 lib_deps =
 	${common.lib_deps}
 	xylopyrographer/LiteLED@^1.2.0

src/core/serialcmds.cpp

@@ -0,0 +1,313 @@
+
+#include "serialcmds.h"
+#include "globals.h"
+#include <IRsend.h>
+#include <string>
+#include "modules/others/TV-B-Gone.h"
+#include "cJSON.h"
+#include <inttypes.h> // for PRIu64
+
+#include <ESP8266Audio.h>
+#include <ESP8266SAM.h>
+#include "sd_functions.h"
+#include "settings.h"
+#include "display.h"
+#include "modules/rf/rf.h"
+
+
+void SerialPrintHexString(uint64_t val) {
+  char s[18] = {0};
+  //snprintf(s, 10, "%x", val);
+  //snprintf(s, sizeof(s), "%" PRIx64, val);
+  snprintf(s, sizeof(s), "%llx", val);
+  Serial.println(s);
+}
+
+void handleSerialCommands() {
+  String cmd_str;
+
+  /*
+  	if (Serial.available() >= MIN_CMD_LEN ) {
+      size_t len = Serial.available();
+      char sbuf[len] = {0};
+      Serial.readBytes(sbuf, len);
+      Serial.print("received:");
+      Serial.println(sbuf);
+      //log_d(sbuf);
+      cmd_str = String(sbuf);
+	} else  {
+    //Serial.println("nothing received");
+    //log_d("nothing received");
+    return;
+  }*/
+
+    if (Serial.available() >= 1) {    
+      cmd_str = Serial.readStringUntil('\n');
+    } else {
+      // try again on next iteration
+      return;
+    }  
+
+  //log_d(cmd_str.c_str());
+  cmd_str.trim();
+  cmd_str.toLowerCase();  // case-insensitive matching
+
+  //  TODO: more commands https://docs.flipper.net/development/cli#0Z9fs
+
+  if(cmd_str.startsWith("ir") ) {
+
+    // ir tx <protocol> <address> <command>
+    // <protocol>: NEC, NECext, NEC42, NEC42ext, Samsung32, RC6, RC5, RC5X, SIRC, SIRC15, SIRC20, Kaseikyo, RCA
+    // <address> and <command> must be in hex format
+    // e.g. ir tx NEC 04000000 08000000
+
+    if(cmd_str.startsWith("ir tx nec ")){
+       String address = cmd_str.substring(10, 10+8);
+       String command = cmd_str.substring(19, 19+8);
+       sendNECCommand(address, command);  // TODO: add arg for displayRedStripe optional
+       return;
+      }
+    if(cmd_str.startsWith("ir tx rc5 ")){
+       String address = cmd_str.substring(10, 10+8);
+       String command = cmd_str.substring(19, 19+8);
+       sendRC5Command(address, command);
+       return;
+      }
+    if(cmd_str.startsWith("ir tx rc6 ")){
+       String address = cmd_str.substring(10, 10+8);
+       String command = cmd_str.substring(19, 19+8);
+       sendRC6Command(address, command);
+       return;
+      }
+      // TODO: more protocols: Samsung32, SIRC
+      //if(cmd_str.startsWith("ir tx raw")){
+
+    if(cmd_str.startsWith("irsend")) {
+      // tasmota json command  https://tasmota.github.io/docs/Tasmota-IR/#sending-ir-commands
+      // e.g. IRSend {"Protocol":"NEC","Bits":32,"Data":"0x20DF10EF"}
+      // TODO: rewrite using ArduinoJson parser?
+      // TODO: decode "data" into "address, command" and use existing "send*Command" funcs
+      if(IrTx==0) IrTx = LED;  // quickfix init issue? CARDPUTER is 44
+
+      //IRsend irsend(IrTx);  //inverted = false
+      //Serial.println(IrTx);
+      IRsend irsend(IrTx,true);  // Set the GPIO to be used to sending the message.
+      //IRsend irsend(IrTx);  //inverted = false
+      irsend.begin();
+      cJSON *root = cJSON_Parse(cmd_str.c_str() + 6);	
+      if (root == NULL) {
+        Serial.println("This is NOT json format");
+        return;
+      }
+      uint16_t bits = 32; // defaults to 32 bits
+      const char *dataStr = "";
+      String protocolStr = "nec";  // defaults to NEC protocol
+
+      cJSON * protocolItem = cJSON_GetObjectItem(root,"protocol");    
+      cJSON * dataItem = cJSON_GetObjectItem(root, "data");
+      cJSON * bitsItem = cJSON_GetObjectItem(root,"bits");
+
+      if(protocolItem && cJSON_IsString(protocolItem)) protocolStr = protocolItem->valuestring;
+      if(bitsItem && cJSON_IsNumber(bitsItem)) bits = bitsItem->valueint;
+      if(dataItem && cJSON_IsString(dataItem)) {
+        dataStr = dataItem->valuestring;
+      } else {
+        Serial.println("missing or invalid data to send");
+        return;      
+      }
+      //String dataStr = cmd_str.substring(36, 36+8);
+      uint64_t data = strtoul(dataStr, nullptr, 16);
+      //Serial.println(dataStr);
+      //SerialPrintHexString(data);
+      //Serial.println(bits);
+      //Serial.println(protocolItem->valuestring);
+
+      cJSON_Delete(root);
+
+      if(protocolStr == "nec"){
+        // sendNEC(uint64_t data, uint16_t nbits, uint16_t repeat) 
+        irsend.sendNEC(data, bits, 10);
+      }
+      // TODO: more protocols
+    }
+
+    // turn off the led
+    digitalWrite(IrTx, LED_OFF);
+    //backToMenu();
+    return;
+  }  // end of ir commands
+
+  if(cmd_str.startsWith("rf") || cmd_str.startsWith("subghz" )) {
+    if(RfTx==0) RfTx=GROVE_SDA; // quick fix
+    pinMode(RfTx, OUTPUT);
+    //Serial.println(RfTx);
+
+    /* WIP:
+    if(cmd_str.startsWith("subghz tx")) {
+      // flipperzero-like cmd  https://docs.flipper.net/development/cli/#wLVht
+      // e.g. subghz tx 0000000000200001 868250000 403 10  // https://forum.flipper.net/t/friedland-libra-48249sl-wireless-doorbell-request/4528/20
+      //                {hex_key} {frequency} {te} {count}
+    }*/
+    if(cmd_str.startsWith("rfsend")) {
+      // tasmota json command  https://tasmota.github.io/docs/Tasmota-IR/#sending-ir-commands
+      // e.g. RfSend {"Data":"0x447503","Bits":24,"Protocol":1,"Pulse":174,"Repeat":10}  // on
+      // e.g. RfSend {"Data":"0x44750C","Bits":24,"Protocol":1,"Pulse":174,"Repeat":10}  // off
+
+      cJSON *root = cJSON_Parse(cmd_str.c_str() + 6);	
+      if (root == NULL) {
+        Serial.println("This is NOT json format");
+        return;
+      }
+      unsigned int bits = 32; // defaults to 32 bits
+      const char *dataStr = "";
+      int protocol = 1;  // defaults to 1
+      int pulse = 0; // 0 leave the library use the default value depending on protocol
+      int repeat = 10;
+
+      cJSON * protocolItem = cJSON_GetObjectItem(root,"protocol");    
+      cJSON * dataItem = cJSON_GetObjectItem(root, "data");
+      cJSON * bitsItem = cJSON_GetObjectItem(root,"bits");
+      cJSON * pulseItem = cJSON_GetObjectItem(root,"pulse");
+      cJSON * repeatItem = cJSON_GetObjectItem(root,"repeat");
+
+      if(protocolItem && cJSON_IsNumber(protocolItem)) protocol = protocolItem->valueint;
+      if(bitsItem && cJSON_IsNumber(bitsItem)) bits = bitsItem->valueint;
+      if(pulseItem && cJSON_IsNumber(pulseItem)) pulse = pulseItem->valueint;
+      if(repeatItem && cJSON_IsNumber(repeatItem)) repeat = repeatItem->valueint;
+      if(dataItem && cJSON_IsString(dataItem)) {
+        dataStr = dataItem->valuestring;
+      } else {
+        Serial.println("missing or invalid data to send");
+        cJSON_Delete(root);
+        return;      
+      }
+      //String dataStr = cmd_str.substring(36, 36+8);
+      uint64_t data = strtoul(dataStr, nullptr, 16);
+      //Serial.println(dataStr);
+      //SerialPrintHexString(data);
+      //Serial.println(bits);
+
+      RCSwitch_send(data, bits, pulse, protocol, repeat);
+
+      cJSON_Delete(root);
+      return;
+    }
+  }  // endof rf
+
+  if(cmd_str.startsWith("music_player " ) || cmd_str.startsWith("ttf" ) ) {
+    // TODO: move in audio.cpp module
+      AudioOutputI2S *audioout = new AudioOutputI2S();  // https://github.com/earlephilhower/ESP8266Audio/blob/master/src/AudioOutputI2S.cpp#L32
+  #ifdef CARDPUTER
+      audioout->SetPinout(41, 43, 42);
+      // TODO: other pinouts
+  #endif
+      AudioGenerator* generator = NULL;
+      AudioFileSource* source = NULL;
+
+      if(cmd_str.startsWith("music_player " ) ) {  // || cmd_str.startsWith("play " )
+        String song = cmd_str.substring(13, cmd_str.length());
+        if(song.indexOf(":") != -1) {
+          // RTTTL player
+          // music_player mario:d=4,o=5,b=100:16e6,16e6,32p,8e6,16c6,8e6,8g6,8p,8g,8p,8c6,16p,8g,16p,8e,16p,8a,8b,16a#,8a,16g.,16e6,16g6,8a6,16f6,8g6,8e6,16c6,16d6,8b,16p,8c6,16p,8g,16p,8e,16p,8a,8b,16a#,8a,16g.,16e6,16g6,8a6,16f6,8g6,8e6,16c6,16d6,8b,8p,16g6,16f#6,16f6,16d#6,16p,16e6,16p,16g#,16a,16c6,16p,16a,16c6,16d6,8p,16g6,16f#6,16f6,16d#6,16p,16e6,16p,16c7,16p,16c7,16c7,p,16g6,16f#6,16f6,16d#6,16p,16e6,16p,16g#,16a,16c6,16p,16a,16c6,16d6,8p,16d#6,8p,16d6,8p,16c6
+          // derived from https://github.com/earlephilhower/ESP8266Audio/blob/master/examples/PlayRTTTLToI2SDAC/PlayRTTTLToI2SDAC.ino
+          generator = new AudioGeneratorRTTTL();
+          source = new AudioFileSourcePROGMEM( song.c_str(), song.length() );
+        } else if(song.indexOf(".") != -1) {
+          // try to open "song" as a file
+          // e.g. music_player audio/Axel-F.txt
+          if(!song.startsWith("/")) song = "/" + song;  // add "/" if missing
+          // try opening on SD
+          //if(setupSdCard()) source = new AudioFileSourceFS(SD, song.c_str());
+          if(setupSdCard()) source = new AudioFileSourceSD(song.c_str());
+          // try opening on LittleFS
+          //if(!source) source = new AudioFileSourceFS(LittleFS, song.c_str());
+          if(!source) source = new AudioFileSourceLittleFS(song.c_str());
+          if(!source) {
+            Serial.print("audio file not found: ");
+            Serial.println(song);
+            return;
+          }
+          if(source){
+            // switch on extension
+            song.toLowerCase(); // case-insensitive match
+            if(song.endsWith(".txt") || song.endsWith(".rtttl"))  generator = new AudioGeneratorRTTTL();
+            /* 2FIX: compilation issues
+            if(song.endsWith(".mid"))  {
+              // need to load a soundfont
+              AudioFileSource* sf2 = NULL;
+              if(setupSdCard()) sf2 = new AudioFileSourceSD("audio/1mgm.sf2");  // TODO: make configurable
+              if(!sf2) sf2 = new AudioFileSourceLittleFS("audio/1mgm.sf2");  // TODO: make configurable
+              if(sf2) {
+                // a soundfount was found
+                AudioGeneratorMIDI* midi = new AudioGeneratorMIDI();
+                generator->SetSoundfont(sf2);
+                generator = midi;
+              }
+            }*/
+            if(song.endsWith(".wav"))  generator = new AudioGeneratorWAV();
+            if(song.endsWith(".mod"))  generator = new AudioGeneratorMOD();
+            if(song.endsWith(".mp3")) {
+                generator = new AudioGeneratorMP3();
+                source = new AudioFileSourceID3(source);
+            }
+            if(song.endsWith(".opus"))  generator = new AudioGeneratorOpus();
+            // TODO: more formats
+          }
+        }
+      }
+
+      //TODO: tone
+      // https://github.com/earlephilhower/ESP8266Audio/issues/643
+
+      //TODO: webradio
+      // https://github.com/earlephilhower/ESP8266Audio/tree/master/examples/WebRadio
+
+      if(cmd_str.startsWith("tts " ) || cmd_str.startsWith("say " )) {
+        // https://github.com/earlephilhower/ESP8266SAM/blob/master/examples/Speak/Speak.ino
+        audioout->begin();
+        ESP8266SAM *sam = new ESP8266SAM;
+        sam->Say(audioout, cmd_str.c_str() + strlen("tts "));
+        delete sam;
+        return;
+      }
+
+      if(generator && source && audioout) {
+        generator->begin(source, audioout);
+        // TODO async play
+        while (generator->isRunning()) {
+          if (!generator->loop()) generator->stop();
+        }
+        delete generator; delete source, delete audioout;
+        return;
+      }
+    }  // end of music_player
+
+  // WIP: record | mic
+  // https://github.com/earlephilhower/ESP8266Audio/issues/70
+  // https://github.com/earlephilhower/ESP8266Audio/pull/118
+
+/* TODO: rewrite using the new screen dimmer feat.
+  if(cmd_str.startsWith("lcd " ) || cmd_str.startsWith("tft" ) ) {
+    String new_status = cmd_str.substring(strlen("lcd "), cmd_str.length());
+    if(new_status=="off") {
+      analogWrite(BACKLIGHT, 0);
+      esp_timer_stop(screensaver_timer);
+    } else if(new_status=="on") {
+      getBrightness();  // reinit brightness
+      reset_screensaver_timer();
+    }
+    return;
+  }
+*/
+
+  if(cmd_str == "clock" ) {
+      //esp_timer_stop(screensaver_timer);  // disable screensaver while the clock is running
+      runClockLoop();
+      return;
+  }
+
+  Serial.println("unsupported serial command: " + cmd_str);
+
+
+}
+

src/core/serialcmds.h

@@ -0,0 +1,3 @@
+
+
+void handleSerialCommands();

src/main.cpp

@@ -56,6 +56,7 @@ TFT_eSprite draw = TFT_eSprite(&tft);
 #include "core/sd_functions.h"
 #include "core/settings.h"
 #include "core/main_menu.h"
+#include "core/serialcmds.h"
 
 
 /*********************************************************************
@@ -253,6 +254,7 @@ void loop() {
       delay(200);
     }
 
+    handleSerialCommands();
     checkShortcutPress();  // shortctus to quickly start apps without navigating the menus
 
     if (checkPrevPress()) {