fona send/read sms example

Author: brentru

examples/fona_sms.py

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+import time
+import board
+import busio
+import digitalio
+from adafruit_fona.adafruit_fona import FONA
+
+print("FONA SMS")
+
+# Create a serial connection for the FONA connection
+uart = busio.UART(board.TX, board.RX)
+rst = digitalio.DigitalInOut(board.D4)
+
+# Initialize FONA module (this may take a few seconds)
+fona = FONA(uart, rst, debug=False)
+
+# Initialize Network
+while fona.network_status != 1:
+    print("Connecting to network...")
+    time.sleep(1)
+print("Connected to network!")
+print("RSSI: %ddB"%fona.rssi)
+
+# Text a number
+if not fona.send_sms(140404, "HELP"):
+    raise RuntimeError("FONA did not successfully send SMS")
+
+# Ask the FONA how many SMS message it has
+num_sms = fona.num_sms
+print("%d SMS's on SIM Card"%num_sms)
+
+# Read out all the SMS messages on the FONA's SIM
+for slot in range(1, num_sms):
+    print(fona.read_sms(slot))