/* mbed Microcontroller Library
- Copyright (c) 2017 u-blox
- Licensed under the Apache License, Version 2.0 (the “License”);
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
http://www.apache.org/licenses/LICENSE-2.0 - Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an “AS IS” BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
*/
#include “mbed.h”
#include “UbloxATCellularInterfaceExt.h”
#include “gnss.h”
// The credentials of the SIM in the board. If PIN checking is enabled
// for your SIM card you must set this to the required PIN.
#define PIN “0000”
// Network credentials. You should set this according to your
// network/SIM card. For C030 boards, leave the parameters as NULL
// otherwise, if you do not know the APN for your network, you may
// either try the fairly common “internet” for the APN (and leave the
// username and password NULL), or you may leave all three as NULL and then
// a lookup will be attempted for a small number of known networks
// (see APN_db.h in mbed-os/features/netsocket/cellular/utils).
#define APN NULL
#define USERNAME NULL
#define PASSWORD NULL
// LEDs
DigitalOut ledRed(LED1, 1);
DigitalOut ledGreen(LED2, 1);
DigitalOut ledBlue(LED3, 1);
int counter = 0;
// The user button
volatile bool buttonPressed = false;
static void good() {
ledGreen = 0;
ledBlue = 1;
ledRed = 1;
}
static void bad() {
ledRed = 0;
ledGreen = 1;
ledBlue = 1;
}
static void event() {
ledBlue = 0;
ledRed = 1;
ledGreen = 1;
}
static void pulseEvent() {
event();
wait_ms(500);
good();
}
static void ledOff() {
ledBlue = 1;
ledRed = 1;
ledGreen = 1;
}
static void printCellLocateData(UbloxATCellularInterfaceExt::CellLocData *pData)
{
char timeString[25];
printf("Cell Locate data:\n");
if (strftime(timeString, sizeof(timeString), "%F %T", (const tm *) &(pData->time)) > 0) {
printf(" time: %s\n", timeString);
}
printf(" longitude: %.6f\n", pData->longitude);
printf(" latitude: %.6f\n", pData->latitude);
printf(" altitude: %d metre(s)\n", pData->altitude);
switch (pData->sensor) {
case UbloxATCellularInterfaceExt::CELL_LAST:
printf(" sensor type: last\n");
break;
case UbloxATCellularInterfaceExt::CELL_GNSS:
printf(" sensor type: GNSS\n");
break;
case UbloxATCellularInterfaceExt::CELL_LOCATE:
printf(" sensor type: Cell Locate\n");
break;
case UbloxATCellularInterfaceExt::CELL_HYBRID:
printf(" sensor type: hybrid\n");
break;
default:
printf(" sensor type: unknown\n");
break;
}
printf(" uncertainty: %d metre(s)\n", pData->uncertainty);
printf(" speed: %d metre(s)/second\n", pData->speed);
printf(" direction: %d degree(s)\n", pData->direction);
printf(" vertical accuracy: %d metre(s)/second\n", pData->speed);
printf(" satellite(s) used: %d\n", pData->svUsed);
printf("I am here: "
"https://maps.google.com/?q=%.5f,%.5f\n", pData->latitude, pData->longitude);
}
static void cbButton()
{
buttonPressed = true;
pulseEvent();
}
/* This example program for the u-blox C030 and C027 boards instantiates
- the UbloxAtCellularInterfaceExt to do FTP, HTTP and CellLocate operations.
- It uses the site test.rebex.net for FTP testing and the site
- developer.mbed.org for HTTP GET testing.
- Progress may be monitored with a serial terminal running at 9600 baud.
- The LED on the C030 board will turn green when this program is
- operating correctly, pulse blue when an FTP get, HTTP get or CellLocate
- operation is completed and turn red if there is a failure.
*/
int main()
{
UbloxATCellularInterfaceExt *interface = new UbloxATCellularInterfaceExt();
// If you need to debug the cellular interface, comment out the
// instantiation above and uncomment the one below.
// UbloxATCellularInterfaceExt *interface = new UbloxATCellularInterfaceExt(MDMTXD, MDMRXD,
// MBED_CONF_UBLOX_CELL_BAUD_RATE,
// true);
UbloxATCellularInterfaceExt::Error *err;
UbloxATCellularInterfaceExt::CellLocData data;
int numRes;
GnssSerial gnssSerial; // This needed purely to power on the GNSS chip in
// order that Cell Locate on the module can use it
#ifdef TARGET_UBLOX_C027
// No user button on C027
InterruptIn userButton(NC);
#else
InterruptIn userButton(SW0);
#endif
// Attach a function to the user button
userButton.rise(&cbButton);
// Power up GNSS to assist with the Cell Locate bit
gnssSerial.init();
good();
printf("Starting up, please wait up to 180 seconds for network registration to complete...\n");
if (interface->init(PIN))
{
pulseEvent();
interface->set_credentials(APN, USERNAME, PASSWORD);
printf("Registered, connecting to the packet network...\n");
for (int x = 0; interface->connect() != 0; x++) {
if (x > 0)
{
bad();
printf("Retrying (have you checked that an antenna is plugged in and your APN is correct?)...\n");
}
}
pulseEvent();
printf("Connected to the packet network...\n");
const int c_size_of_buffer = 1024;
char *buf;
int httpProfile;
int bytesRead = 0;
while(true)
{
bytesRead = 0;
buf = (char *) malloc(c_size_of_buffer);
httpProfile = interface->httpAllocProfile();
interface->httpSetTimeout(httpProfile, 30000);
interface->httpSetPar(httpProfile, UbloxATCellularInterfaceExt::HTTP_SECURE, "0");
interface->httpSetPar(httpProfile, UbloxATCellularInterfaceExt::HTTP_SERVER_NAME, "httpbin.org");
// Do the HTTP command
err = interface->httpCommand(httpProfile, UbloxATCellularInterfaceExt::HTTP_GET,
"/get",
NULL, NULL, 0, NULL,
buf, c_size_of_buffer, &bytesRead);
counter++;
printf("Counter %d \n", counter);
if (err == NULL)
{
pulseEvent();
if(bytesRead > 0 && bytesRead < c_size_of_buffer)
{
//Add null terminator
*(buf + bytesRead) = 0;
printf("Completed. The response contained:\n"
"----------------------------------------------------------------------------------------\n%s"
"----------------------------------------------------------------------------------------\n", buf);
}
else
{
printf("Error: Bytes read is zero");
}
}
else
{
bad();
printf("Unable to get from web, "
"error class %d, error code %d.\n", err->eClass, err->eCode);
}
free(buf);
wait_ms(5000);
}
#ifndef TARGET_UBLOX_C030_R41XM
// CELL LOCATE OPERATIONS (in a loop)
printf(“=== Cell Locate ===\n”);
printf("Sending Cell Locate requests in a loop (until the user button is pressed on C030 or forever on C027)...\n");
while (!buttonPressed) {
interface->cellLocSrvUdp();
interface->cellLocConfig(1); // Deep scan mode
printf("Sending Cell Locate request...\n");
if (interface->cellLocRequest(UbloxATCellularInterfaceExt::CELL_HYBRID, 10, 100,
(UbloxATCellularInterfaceExt::CellRespType) 1, 1)) {
// Wait for the response
numRes = 0;
for (int x = 0; (numRes == 0) && (x < 10); x++) {
numRes = interface->cellLocGetRes();
}
if (numRes > 0) {
interface->cellLocGetData(&data);
if (data.validData) {
pulseEvent();
printCellLocateData(&data);
}
} else {
bad();
printf("No response from Cell Locate server.\n");
}
}
wait_ms(5000);
#ifndef TARGET_UBLOX_C027
printf(“[Checking if user button has been pressed]\n”);
#endif
}
#else
while(!buttonPressed) {
wait_ms(500);
// Shift the LED states
int carry = ledBlue;
ledBlue = ledRed;
ledRed = ledGreen;
ledGreen = carry;
}
#endif
pulseEvent();
printf("User button was pressed, stopping...\n");
gnssSerial.powerOff();
interface->disconnect();
interface->deinit();
ledOff();
printf("Stopped.\n");
} else {
bad();
printf("Unable to initialise the interface.\n");
}
}
// End Of File