NB-IoT 18: FTP upload
This example shows how to upload a file to a FTP server from Waspmote
Required Materials
1 x Waspmote 1 x Battery 1 x NB-IoT / Cat-M module 2 x NB-IoT / Cat-M antenna 1 x SIM card
Notes
- The battery has to be connected. - This example can be executed in Waspmote v15
Code
/*
--- NB_IoT_18 - FTP UPLOAD - Uploading files to a FTP server ---
Explanation: This example shows how to upload a file to a FTP server
from Waspmote
Copyright (C) 2019 Libelium Comunicaciones Distribuidas S.L.
http://www.libelium.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see .
Version: 3.0
Design: David Gascón
Implementation: P.Moreno, J.Siscart
*/
#include
// APN settings
char apn[] = "";
char login[] = "";
char password[] = "";
///////////////////////////////////////
// Operator selection
///////////////////////////////////////
char network_operator[] = "";
///////////////////////////////////////
// options:
// LALPHANUMERIC_OPERATOR Long format alphanumeric which can be up to 16 characters long.
// SALPHANUMERIC_OPERATOR Short format alphanumeric .
// NUMERIC_OPERATOR Numeric . GSM location area identification number.
///////////////////////////////////////
uint8_t operator_type = LALPHANUMERIC_OPERATOR;
///////////////////////////////////////
// Band configuration
///////////////////////////////////////
// NB-IoT & LTE-M1 bands:
// B1
// B2
// B3
// B4
// B5
// B8
// B12
// B13
// B18
// B19
// B20
// B26
// B28
// B39
// ------------------------------------
// GSM bands:
// GSM900
// GSM1800
// GSM850
// GSM1900
// GSM_ANYBAND
// NB_ANYBAND
// M1_ANYBAND
/////////////////////////////////////
char band[] = B20;
/////////////////////////////////////
// SERVER settings
///////////////////////////////////////
char ftp_server[] = "pruebas.libelium.com";
uint16_t ftp_port = 21;
char ftp_user[] = "t3g@libelium.com";
char ftp_pass[] = "ftp1234";
///////////////////////////////////////
///////////////////////////////////////////////////////////////////////
// Define filenames for SD card:
// - If the file is in the root directory: "FILE.TXT" or "/FILE.TXT"
// - If the file is inside a folder: "/FOLDER/FILE.TXT"
///////////////////////////////////////////////////////////////////////
char SD_FILE[] = "FILE3.TXT";
///////////////////////////////////////////////////////////////////////
// Define filenames for FTP server:
char SERVER_FILE[] = "FIL3.TXT";
///////////////////////////////////////////////////////////////////////
// define variables
int error;
uint32_t previous;
uint8_t sd_answer;
void setup()
{
USB.ON();
USB.println(F("Start program"));
//////////////////////////////////////////////////
// 1. sets operator parameters
//////////////////////////////////////////////////
BG96.set_APN(apn, login, password);
//////////////////////////////////////////////////
// 2. Show APN settings via USB port
//////////////////////////////////////////////////
BG96.show_APN();
//////////////////////////////////////////////////
// 1. Create a new file to upload
//////////////////////////////////////////////////
///////////////////////////////////
// 1.1. Init SD card
///////////////////////////////////
sd_answer = SD.ON();
if (sd_answer == 1)
{
USB.println(F("1. SD init OK"));
}
else
{
USB.println(F("1. SD init ERROR"));
}
///////////////////////////////////
// 1.2. Delete file if exists
///////////////////////////////////
sd_answer = SD.del(SD_FILE);
if (sd_answer == 1)
{
USB.println(F("2. File deleted"));
}
else
{
USB.println(F("2. File NOT deleted"));
}
///////////////////////////////////
// 1.3. Create file
///////////////////////////////////
sd_answer = SD.create(SD_FILE);
if (sd_answer == 1)
{
USB.println(F("3. File created"));
}
else
{
USB.println(F("3. File NOT created"));
}
///////////////////////////////////
// 1.4. Append contents
///////////////////////////////////
USB.println(F("4. Appending data..."));
for (int i = 0; i < 50; i++)
{
sd_answer = SD.append( SD_FILE, "This is a new message\nThis is a new message\nThis is a new message\nThis is a new message\nThis is a new message\n");
if (sd_answer != 1)
{
USB.println(F("SD append error"));
}
else
{
USB.println(F("SD append ok"));
}
}
///////////////////////////////////
// 1.5. Close SD
///////////////////////////////////
SD.OFF();
USB.println(F("5. SD off"));
USB.println(F("Setup done\n\n"));
}
void loop()
{
//////////////////////////////////////////////////
// 1. Switch ON
//////////////////////////////////////////////////
error = BG96.ON();
if (error == 0)
{
USB.println(F("1. NB-IoT module ready..."));
////////////////////////////////////////////////
// 2.1. Check connection to network and continue
////////////////////////////////////////////////
error = BG96.nbiotConnection(apn, band, network_operator, operator_type);
if (error == 0)
{
USB.println(F("2.1. NB-IoT connection: OK "));
////////////////////////////////////////////////
// 2.2.1 NB-IoT Context Activation
////////////////////////////////////////////////
error = BG96.contextActivation(1,5);
if (error == 0)
{
USB.println(F("2.2.1. NB-IoT context connection: OK "));
USB.print(F("IP: ")); USB.println(BG96._ip);
////////////////////////////////////////////////
// 3. Setting DNS server
////////////////////////////////////////////////
error = BG96.setDNSServer("8.8.8.8","8.8.4.4");
if (error == 0)
{
USB.println(F("3. Setting DNS server: OK "));
}
else
{
USB.println(F("3. DNS error: ")); USB.println(error,DEC);
USB.println(BG96._buffer, BG96._length);
}
////////////////////////////////////////////////
// 4.1. FTP open session
////////////////////////////////////////////////
error = BG96.ftpOpenSession(ftp_server, ftp_port, ftp_user, ftp_pass);
// check answer
if (error == 0)
{
USB.println(F("4.1. FTP open session OK"));
previous = millis();
//////////////////////////////////////////////
// 4.2. FTP upload
//////////////////////////////////////////////
error = BG96.ftpUpload(SERVER_FILE, SD_FILE);
if (error == 0)
{
USB.print(F("4.2. Uploading SD file to FTP server done! "));
USB.print(F("Upload time: "));
USB.print((millis() - previous) / 1000, DEC);
USB.println(F(" s"));
}
else
{
USB.print(F("4.2. Error calling 'ftpUpload' function. Error: "));
USB.println(error, DEC);
}
//////////////////////////////////////////////
// 4.3. FTP close session
//////////////////////////////////////////////
error = BG96.ftpCloseSession();
if (error == 0)
{
USB.println(F("4.3. FTP close session OK"));
}
else
{
USB.print(F("4.3. Error calling 'ftpCloseSession' function. error: "));
USB.println(error, DEC);
}
}
else
{
USB.print(F( "4.1. FTP connection error: "));
USB.println(error, DEC);
}
}
}
else
{
// Problem with the communication with the NB-IoT module
USB.println(F("NB-IoT module not started"));
USB.print(F("Error code: "));
USB.println(error, DEC);
}
}
////////////////////////////////////////////////
// 5. Powers off the 4G module
////////////////////////////////////////////////
USB.println(F("5. Switch OFF NB-IoT module"));
error = BG96.OFF();
if (error == 0)
{
USB.println(F("5. Module is power off"));
}
else
{
USB.println(F("5. Power off ERROR"));
}
////////////////////////////////////////////////
// 6. Sleep
////////////////////////////////////////////////
USB.println(F("6. Enter deep sleep..."));
PWR.deepSleep("00:00:00:10", RTC_OFFSET, RTC_ALM1_MODE1, ALL_OFF);
USB.ON();
USB.println(F("7. Wake up!!\n\n"));
}
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