commit 94d3d4a5a389037a98ac150f0828b1d5b4c36a24
Author: PAN Lei <panleicim@gmail.com>
Date:   Mon Feb 7 09:13:45 2022 +0100

    first commit

diff --git a/main.py b/main.py
new file mode 100644
index 0000000..75660ab
--- /dev/null
+++ b/main.py
@@ -0,0 +1,33 @@
+import serial
+
+serial_list=[]
+ser = serial.Serial("COM74", 115200, timeout=1)
+
+
+def changeToSMSMode():
+    cmd = "AT+CMGF=1\r"  # text mode
+    sendCommand(cmd)
+    msg = ser.read(64)
+    print(msg)
+
+
+def sendCommand(cmd: str):
+    print("send command {}".format(cmd))
+    ser.write(cmd.encode())
+    msg = ser.read(100)
+    print(msg)
+
+
+if __name__ == '__main__':
+    #enable verbose logs
+    cmd = "AT+CMEE=2\r"
+    sendCommand(cmd)
+    #check pin
+    cmd_check_pin = "AT+cpin?\r"
+    sendCommand(cmd_check_pin)
+    # cmd = "AT\r"
+    # sendCommand(cmd)
+    # msg = ser.read(64)
+    # print(msg)
+    # changeToSMSMode()
+