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程式列表

Python - ESP01.py

"""

ESP01.py

"""

import utime

DEBUG = True

class ESP01:

def __init__(self, port):

self.port = port

"""

* Name: sendData

* Description: this Function regulates how the AT Commands will ge sent to the ESP8266.

*

* Params: command - the AT Command to send

* - timeout - the time to wait for a response

* - debug - print to Serial window?(true = yes, false = no)

*

* Returns: The response from the esp8266 (if there is a reponse)

"""

def sendData(self,command,timeout,debug):

response = ""

self.port.write(command)

utime.sleep_ms(timeout)

response = self.port.read() # 從串口讀取數據

if(debug):

#if the "debug" variable value is TRUE, print the response on the Serial monitor.

# cmd = response.decode('utf-8');

# print("received:",cmd) # 列印接收到的資料

print("received:"+str(response) ) # 列印接收到的資料

return response #return the String response.

"""

* Name: InitWifiModule

* Description: this Function gives the commands that we need to send to the sendData() function to send it.

*

* Params: Nothing.

*

* Returns: Nothing (void).

"""

def InitWifiModule(self,SSID,PASSWORD):

print("connecting to wifi")

self.sendData("AT\r\n",200,DEBUG)

str1 = self.sendData("AT+RST\r\n",1000,False)

if(DEBUG):

print("received:",str1) # 列印接收到的資料

print("received:{}".format(str1)) # 列印接收到的資料

self.sendData("AT+GMR\r\n",1000,DEBUG)

CWJAP_CMD="AT+CWJAP=\"" + SSID + "\",\"" + PASSWORD + "\"\r\n"

self.sendData(CWJAP_CMD,25000,DEBUG)

utime.sleep_ms(3000)

self.sendData("AT+CWMODE=1\r\n", 1500, DEBUG) #set the ESP8266 WiFi mode to station mode.

utime.sleep_ms(1000)

self.sendData("AT+CIFSR\r\n", 1500, DEBUG) #Show IP Address, and the MAC Address.

utime.sleep_ms(1000)

Python - ePy-Lite_ESP01_dweet.py

"""

ePy-Lite_ESP01_dweet.py

EPY_Lite ESP01

-----------------

P2(UART0_RxD) TxD

P3(UART0_TxD) RxD

3V3 VCC

GND GND

"""

from machine import Switch #獲取按鍵KEY庫

from machine import ADC

from machine import Pin

from machine import UART

from machine import LED

import utime

import ESP01

SSID = "MYAP" # 填入要連線的WiFi熱點名稱

PASSWORD = "19760106" # Wi-Fi熱點密碼

HOST = "dweet.io" # 伺服器網址，不可動

PORT = 80

thing_name = "EPY_dweet"

hello = "Light"

str1 = ""

DEBUG = True

ledR = None

# Start Function

if __name__ == '__main__':

ledR = LED('ledy')

light = ADC(Pin.board.AIN0)

KeyA = Switch('keya') #創建按鍵A

wifi_uart=UART(0,115200)

wifi = ESP01.ESP01(wifi_uart)

wifi.InitWifiModule(SSID,PASSWORD)

print("--- Start ---")

light_val=0

try:

while True:

light_val = light.read()

ledR.on()

#https://dweet.io/dweet/for/my-thing-name?hello=world

request_str = "POST /dweet/for/" + thing_name + "?" + hello + "=" + str(light_val) + "\r\n" \

+ "Host: www.dweet.io\r\n" \

+ "Connection: close\r\n\r\n"

request_lenth = str(len(request_str)) # 計算訊息的字串總長度

CIPSEND_CMD="AT+CIPSEND=" + request_lenth + "\r\n"

if(DEBUG):

print(CIPSEND_CMD) # 顯示此訊息內容進行debug

print(request_str) # 顯示此訊息內容進行debug

CIPSTART_CMD="AT+CIPSTART=\"TCP\",\"" + HOST + "\"," + str(PORT) + "\r\n"

wifi.sendData(CIPSTART_CMD,15000,DEBUG)

data = wifi.sendData(CIPSEND_CMD, 1000, DEBUG)

if 'ERROR' in data: # 使用in運算子檢查

print('find \"ERROR\"')

if '>' in data: # 使用in運算子檢查

print('find \">\"')

else:

print('not find \">\"')

# while (data.find(">")<0):

# utime.sleep_ms(100)

# if(wifi_uart.any()): # 當串口有可讀數據時

# data = wifi_uart.read()

wifi.sendData(request_str, 1000, DEBUG)

ledR.off()

if (KeyA.value()) == True: #Press A Key

break

utime.sleep_ms(5000)

finally:

pass

light.deinit()

wifi_uart.deinit()

# KeyA.deinit()

#https://dweet.io/get/dweets/for/EPY_dweet

#https://dweet.io/get/latest/dweet/for/EPY_dweet

#http://dweet.io/follow/EPY_dweet

執行結果