---------arduino send-client--------
#include <ESP8266.h>
#define SSID ""
#define PASSWORD ""
#define HOST_NAME "192...." // 自分のPCでパイソンサーバがうごくので、そのIPを入れる
#define HOST_PORT (9999)
SoftwareSerial mySerial(3,2);//rx,tx
ESP8266 wifi(mySerial);
void setup(void){
Serial.begin(9600); // arduinoUNOのソフトシリアルは９６００が上限なので
mySerial.begin(115200); //理由不分明だがesp01もボーレートを落とす
mySerial.println("AT+UART_CUR=9600,8,1,0,0");
delay(10);
mySerial.begin(9600);
delay(10);
if (wifi.setOprToStation()){ // set to station mode
Serial.println("ok:setup");
} else {
Serial.println("error:setup");
}
if (wifi.joinAP(SSID,PASSWORD)){ // join local net
Serial.println(wifi.getLocalIP().c_str());
} else {
Serial.println("failed:AP connect");
}
delay(10);
if (wifi.disableMUX()){ // for client mode
Serial.println("ok:single");
} else {
Serial.println("error:single");
}
delay(100);
}
void loop(void){ // send to PC python receive_server
char msg[128] = {0};
strcat(msg,"hello from Arduino to pc");
if (wifi.createTCP(HOST_NAME,HOST_PORT)){
Serial.println("ok:tcp connect.");
wifi.send(msg,strlen(msg));
wifi.releaseTCP();
} else {
Serial.println("failed:tcp connect");
}
while(1){
delay(10000);
}
}
----------------python receive_server ----------------------------------------------
import socket
host = "192.168...." # check by ipconfig/ifconfig
port = 9999
sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
sock.bind((host,port))
sock.listen(10)
cs,caddr=sock.accept() # caddrr not used as below
while True:
msg = cs.recv(1024)
print(msg.decode('ascii'))
break
sock.close()
