[max95]

Ciao a tutti,

volevo provare ad associare un modulino ESP01 (del quale ammetto non conoscere un granché...) alla mia schedina pico. Ho realizzato le connessioni come riportate alla fine del post. In rete ho trovato il seguente codice il quale però non mi porta da nessuna parte... il modulo l'ho collegato sulla UART0 (usando i gpio tx 16 e tx 17).
Dove sto sbagliando?

Codice:

import uos from machine import Pin, UART import utime recv_buf="" # receive buffer global variable print() print("Machine: \t" + uos.uname()[4]) print("MicroPython: \t" + uos.uname()[3]) uart0 = machine.UART(0, baudrate=115200, tx=Pin(16), rx=Pin(17)) print(uart0) def Rx_ESP_Data():     recv=bytes()     while uart0.any()>0:         recv+=uart0.read(1)     res=recv.decode('utf-8')     return res def Connect_WiFi(cmd, uart=uart0, timeout=3000):     print("CMD: " + cmd)     uart.write(cmd)     utime.sleep(7.0)     Wait_ESP_Rsp(uart, timeout)     print() def Send_AT_Cmd(cmd, uart=uart0, timeout=3000):     print("CMD: " + cmd)     uart.write(cmd)     Wait_ESP_Rsp(uart, timeout)     print()     def Wait_ESP_Rsp(uart=uart0, timeout=3000):     prvMills = utime.ticks_ms()     resp = b""     while (utime.ticks_ms()-prvMills)<timeout:         if uart.any():             resp = b"".join([resp, uart.read(1)])     print("resp:")     try:         print(resp.decode())     except UnicodeError:         print(resp) Send_AT_Cmd('AT\r\n')          #Test AT startup Send_AT_Cmd('AT+GMR\r\n')      #Check version information Send_AT_Cmd('AT+CIPSERVER=0\r\n')      #Check version information Send_AT_Cmd('AT+RST\r\n')      #Check version information Send_AT_Cmd('AT+RESTORE\r\n')  #Restore Factory Default Settings Send_AT_Cmd('AT+CWMODE?\r\n')  #Query the WiFi mode Send_AT_Cmd('AT+CWMODE=1\r\n') #Set the WiFi mode = Station mode Send_AT_Cmd('AT+CWMODE?\r\n')  #Query the WiFi mode again Send_AT_Cmd('AT+CWLAP\r\n', timeout=10000) #List available APs Connect_WiFi('AT+CWJAP="+++++","++++"\r\n', timeout=5000) #Connect to AP using SSID & Password Send_AT_Cmd('AT+CIFSR\r\n')    #Obtain the Local IP Address utime.sleep(3.0) print ('Starting connection to ESP8266...') while True:     print("ciao")     res =""     res=Rx_ESP_Data()     utime.sleep(2.0)     if '+IPD' in res: # if the buffer contains IPD(a connection), then respond with HTML handshake         id_index = res.find('+IPD')         print("resp:")         print(res)         connection_id =  res[id_index+5]         print("connectionId:" + connection_id)         print ('! Incoming connection - sending webpage')         uart0.write('AT+CIPSEND='+connection_id+',200'+'\r\n')  #Send a HTTP response then a webpage as bytes the 108 is the amount of bytes you are sending, change this if you change the data sent below         utime.sleep(1.0)         uart0.write('HTTP/1.1 200 OK'+'\r\n')         uart0.write('Content-Type: text/html'+'\r\n')         uart0.write('Connection: close'+'\r\n')         uart0.write(''+'\r\n')         uart0.write('<!DOCTYPE HTML>'+'\r\n')         uart0.write('<html>'+'\r\n')         uart0.write('<body><center><h1>Raspberry Pi Pico-ESP-01-ESP8266- Web Server</h1></center>'+'\r\n')         uart0.write('<center><h2>Interfacing of ESP8266 WiFi Module with Raspberry Pi Pico</h2></center>'+'\r\n')         uart0.write('</body></html>'+'\r\n')         utime.sleep(4.0)         Send_AT_Cmd('AT+CIPCLOSE='+ connection_id+'\r\n') # once file sent, close connection         utime.sleep(2.0)         recv_buf="" #reset buffer         print ('Waiting For connection...')

questo l'output che ottengo su seriale:

Codice:

Machine: Raspberry Pi Pico with RP2040 MicroPython: v1.19.1 on 2022-06-18 (GNU 11.2.0 MinSizeRel) UART(0, baudrate=115200, bits=8, parity=None, stop=1, tx=16, rx=17, txbuf=256, rxbuf=256, timeout=0, timeout_char=1, invert=None) CMD: AT resp: b'\xfe' CMD: AT+GMR resp: CMD: AT+CIPSERVER=0 resp: CMD: AT+RST resp: CMD: AT+RESTORE resp: CMD: AT+CWMODE? resp: CMD: AT+CWMODE=1 resp: CMD: AT+CWMODE? resp: CMD: AT+CWLAP resp: CMD: AT+CWJAP="++++","++++" resp: CMD: AT+CIFSR resp: Starting connection to ESP8266... ciao

ps. ho volutamente oscurato il nome della rete e la pass..

[ippogrifo]

Link dal quale hai ricavato il codice? Dalle procedure di risposta ai vari comandi, non vi è alcuna risposta utile. Potresti inserire nel codice delle istruzioni di print, con incrementi numerici, per verificare il flusso del programma.