![if(InChar !='n')
{
DataUart += InChar;
}
else
{
// xử lí Json
Serial.println(DataUart);
xulyjson(String(DataUart));
DataUart = "";
}
}
}
//////////////////////////////////////
void xulyjson(String Data)
{
const size_t capacity = JSON_OBJECT_SIZE(2) + 256;
DynamicJsonDocument JSON(capacity);
DeserializationError error = deserializeJson( JSON, Data);
if(error)
{
Serial.println("json loi");
return;
}
else
{
nhiet_do_nhan= (String)JSON["b"];
do_am_nhan= (String)JSON["a"];
cd_sang_nhan=(String)JSON["d"];
do_am_dat_nhan=(String)JSON["c"];
Datapump= (String)JSON["e"];](https://image.slidesharecdn.com/code-nodemcu-231014165314-c31c7f07/85/code-nodemcu-docx-6-320.jpg)
![Dataled= (String)JSON["f"];
Dataquat= (String)JSON["g"];
BlynkEdgent.run();
float vau3,vau1,vau2,vau0;
vau3=cd_sang_nhan.toFloat();
vau1=nhiet_do_nhan.toFloat();
vau2= do_am_dat_nhan.toFloat();
vau0=do_am_nhan.toFloat();
trang_thai_bom= Datapump.toInt();
trang_thai_led= Dataled.toInt();
trang_thai_quat= Dataquat.toInt();
Blynk.virtualWrite(V4,trang_thai_bom);
Blynk.virtualWrite(V9,trang_thai_quat);
Blynk.virtualWrite(V6,trang_thai_led);
Blynk.virtualWrite(V3,vau3);
Blynk.virtualWrite(V2,vau2);
Blynk.virtualWrite(V1,vau1);
Blynk.virtualWrite(V0,vau0);
JSON.clear();
}
}
/////////////////////////////////////
void sendata(String(thamso1),String(thamso2),String(thamso3))
{
//
myserial.print("{"chedo":"");
myserial.print(thamso1);
myserial.print("", "T":"");
myserial.print(thamso2);
myserial.print("", "H":"");
myserial.print(thamso3);](https://image.slidesharecdn.com/code-nodemcu-231014165314-c31c7f07/85/code-nodemcu-docx-7-320.jpg)
code-nodemcu.docx
- 1. #include <ArduinoJson.h> #include <SoftwareSerial.h> #define BLYNK_TEMPLATE_ID "TMPLCKaGjlz5" #define BLYNK_DEVICE_NAME "IOT" #define BLYNK_FIRMWARE_VERSION "0.1.0" #define BLYNK_PRINT Serial //#define BLYNK_DEBUG #define APP_DEBUG #include "BlynkEdgent.h" const byte Rx= 12; const byte Tx =14; SoftwareSerial myserial=SoftwareSerial(Rx,Tx); //Rx-Tx void sendata(String(thamso1),String(thamso2),String(thamso3)); void control_pump(void); void read_esp(void); void xulyjson(String Data); void send_lenh(void); String nhiet_do_nhan=""; String do_am_nhan=""; String cd_sang_nhan=""; String do_am_dat_nhan=""; String DataUart=""; String DataSend= ""; String Datapump=""; String Dataled= ""; String Dataquat= ""; int trang_thai_bom; int trang_thai_led; int trang_thai_quat; int led; int pump1; int quat;
- 2. int nhiet_do_set; int do_am_dat_set; long t = 0; int che_do; ///////////////////////////////////////// void setup() { myserial.begin(9600);// 8-8,7-9 Serial.begin(9600); delay(100); BlynkEdgent.begin(); t= millis(); Blynk.syncAll(); BLYNK_CONNECTED (); } BLYNK_WRITE(V4) { pump1 = param.asInt(); if(che_do==0) { if(pump1==1 && trang_thai_bom==0) { myserial.println("{"chedo":"0"}"); Serial.println("{"chedo":"0"}"); myserial.println("{"pump":"1"}"); Serial.println("{"pump":"1"}"); myserial.flush(); delay(100); } else if(pump1==0 && trang_thai_bom==1) {
- 3. myserial.println("{"chedo":"0"}"); Serial.println("{"chedo":"0"}"); myserial.println("{"pump":"0"}"); Serial.println("{"pump":"0"}"); myserial.flush(); delay(100); } } } BLYNK_WRITE(V5) { nhiet_do_set = param.asInt(); delay(100); if(che_do==1) { sendata(String (che_do), String(nhiet_do_set),String (do_am_dat_set)); } } BLYNK_WRITE(V6) { led = param.asInt(); if(che_do==0) { if(led==1 && trang_thai_led==0) { myserial.println("{"led":"1"}"); Serial.println("{"led":"1"}"); myserial.flush(); delay(100); } else if(led==0 && trang_thai_led==1) {
- 4. myserial.println("{"led":"0"}"); Serial.println("{"led":"0"}"); myserial.flush(); delay(100); } } } BLYNK_WRITE(V7) { che_do= param.asInt(); sendata(String (che_do), String(nhiet_do_set),String (do_am_dat_set)); } BLYNK_WRITE(V8) { do_am_dat_set = param.asInt(); delay(100); if(che_do==1) { sendata(String (che_do), String(nhiet_do_set),String (do_am_dat_set)); } } BLYNK_WRITE(V9) { quat = param.asInt(); if(che_do==0) { if(quat==1 && trang_thai_quat==0) { myserial.println("{"chedo":"0"}"); Serial.println("{"chedo":"0"}"); myserial.println("{"quat":"1"}");
- 5. Serial.println("{"quat":"1"}"); myserial.flush(); delay(100); } else if(quat==0 && trang_thai_quat==1) { myserial.println("{"chedo":"0"}"); Serial.println("{"chedo":"0"}"); myserial.println("{"quat":"0"}"); Serial.println("{"quat":"0"}"); myserial.flush(); delay(100); } } } ////////////////////////////////////////// void loop() { read_esp(); } /////////////////////////////////////////////////// void read_esp(void) { // kiểm tra cổng RX có tín hiệu hay ko while (myserial.available()) { //đọc char InChar = (char)myserial.read();
- 6. if(InChar !='n') { DataUart += InChar; } else { // xử lí Json Serial.println(DataUart); xulyjson(String(DataUart)); DataUart = ""; } } } ////////////////////////////////////// void xulyjson(String Data) { const size_t capacity = JSON_OBJECT_SIZE(2) + 256; DynamicJsonDocument JSON(capacity); DeserializationError error = deserializeJson( JSON, Data); if(error) { Serial.println("json loi"); return; } else { nhiet_do_nhan= (String)JSON["b"]; do_am_nhan= (String)JSON["a"]; cd_sang_nhan=(String)JSON["d"]; do_am_dat_nhan=(String)JSON["c"]; Datapump= (String)JSON["e"];
- 7. Dataled= (String)JSON["f"]; Dataquat= (String)JSON["g"]; BlynkEdgent.run(); float vau3,vau1,vau2,vau0; vau3=cd_sang_nhan.toFloat(); vau1=nhiet_do_nhan.toFloat(); vau2= do_am_dat_nhan.toFloat(); vau0=do_am_nhan.toFloat(); trang_thai_bom= Datapump.toInt(); trang_thai_led= Dataled.toInt(); trang_thai_quat= Dataquat.toInt(); Blynk.virtualWrite(V4,trang_thai_bom); Blynk.virtualWrite(V9,trang_thai_quat); Blynk.virtualWrite(V6,trang_thai_led); Blynk.virtualWrite(V3,vau3); Blynk.virtualWrite(V2,vau2); Blynk.virtualWrite(V1,vau1); Blynk.virtualWrite(V0,vau0); JSON.clear(); } } ///////////////////////////////////// void sendata(String(thamso1),String(thamso2),String(thamso3)) { // myserial.print("{"chedo":""); myserial.print(thamso1); myserial.print("", "T":""); myserial.print(thamso2); myserial.print("", "H":""); myserial.print(thamso3);