arduino json

main.py

@@ -5,18 +5,26 @@ import time
 
 ser = serial.Serial('/dev/ttyACM0', baudrate = 9600, timeout = 1)
 
-time.sleep(3)
-
-def getValues():
-    #ser.write(b'g')
-    lol = "g"
-    ser.write(str(lol).encode('ascii'))
-    arduinoData = ser.readline().decode('ascii')
-    return arduinoData
+#time.sleep(3)
 
 while 1:
-    userInput = input('Get data point?')
-    
-    if userInput == 'y':
-        print(getValues())
+    # {  "command": "switch",  "arg": "one",  "state": "off"}
+    userInput = input('> ')
+    ser.write(str(userInput).encode('ascii'))
+    arduinoData = ser.readline().decode('ascii')
+    print(arduinoData)
+
+
+##def getValues():
+##    #ser.write(b'g')
+##    lol = "g"
+##    ser.write(str(lol).encode('ascii'))
+##    arduinoData = ser.readline().decode('ascii')
+##    return arduinoData
+##
+##while 1:
+##    userInput = input('Get data point?')
+##    
+##    if userInput == 'y':
+##        print(getValues())
 

main/main.ino

@@ -1,20 +1,50 @@
 
+#include "ArduinoJson.h"
+
 int analogPin = 3;
 int data = 0;
 char userInput;
 
+
 void setup() {
   // put your setup code here, to run once:
   pinMode(LED_BUILTIN, OUTPUT);
+
+
+  
   Serial.begin(9600);
 
 }
 
 void loop() {
   // put your main code here, to run repeatedly:
-  if(Serial.available()>0) {
 
-    userInput = Serial.read();
+if(Serial.available()>0) {
+
+    //userInput = Serial.read();
+
+    // String input;
+
+    StaticJsonDocument<96> doc;
+    // {  "command": "switch",  "arg": "one",  "state": "off"}
+    DeserializationError error = deserializeJson(doc, Serial);
+
+    if (error) {
+      Serial.print(F("deserializeJson() failed: "));
+      Serial.println(error.f_str());
+      return;
+    }
+
+    const char* command = doc["command"]; // "switch"
+    const char* arg = doc["arg"]; // "one"
+    const char* state = doc["state"]; // "off"
+    
+
+    Serial.print(command);
+    Serial.print(" - ");
+    Serial.print(arg);
+    Serial.print(" - ");
+    Serial.println(state);
 
     if(userInput == 'g') {
 
@@ -34,7 +64,7 @@ void loop() {
       delay(200);
 
       */
-      delay(2000);
+      //delay(2000);
       Serial.println(data);
     }
   }