Skywire_Demo - Demo using a Nimbelink Skywire cellular modem pai…

NimbeLink » Code » Skywire_Demo

NimbeLink / Mbed 2 deprecated Skywire_Demo

Demo using a Nimbelink Skywire cellular modem paired with ST Nucleo. This demo reads several sensors and reports them to a Freeboard dashboard using dweet.io from Buglabs

Dependencies: LIS3DH LM75B LPS331 hts221 mbed

Fork of Skywire_Demo by NimbeLink

Getting Started Guide

Set the JP5 jumper to E5V on the Nucleo
Place the Skywire Shield onto the Nucleo as pictured
Place the Skywire modem onto the Shield as picture and attach the antenna U.FL coax cable as pictured
Plug the 12V wall supply into the Skywire Shield

Go to https://freeboard.io/ and create a user account
Once you are logged into your Freeboard account, go to https://freeboard.io/board/PJI272 and clone the dashboard by clicking the CLONE link in the lower right corner
- Old Revision of dashboard is here https://freeboard.io/board/jqlneI

The new dashboard will show up on you account list under My Freeboards, you can then edit the name to whatever you like

Under the Datasources tab on the dashboard, click the skywire link

Change the THING NAME field to a unique string, we recommended using the MEID or IMEI on the Skywire Modem, but it could be anything you want.

Next, Import the Skywire_Demo program into the online compiler
Open main.cpp. Starting at Line 58, there is a list of Skywire Modems. Uncomment the Skywire Modem that you are using. Make sure only one Skywire Modem is uncommented:

main.cpp

/*
 * DEFINE THE SKYWIRE MODEM
 * Uncomment only the modem that you are using.
 * Make sure only one modem is uncommented!
 */
//#define NL_SW_1xRTT_V         // Verizon 2G Modem - CE910-DUAL
//#define NL_SW_1xRTT_S         // Sprint 2G Modem - CE910-DUAL
//#define NL_SW_1xRTT_A         // Aeris 2G Modem - CE910-DUAL
//#define NL_SW_GPRS            // AT&T/T-Mobile 2G Modem
//#define NL_SW_EVDO_V          // Verizon 3G Modem
//#define NL_SW_EVDO_A          // Aeris 3G Modem
//#define NL_SW_HSPAP           // AT&T/T-Mobile 3G Modem
//#define NL_SW_HSPAPG          // AT&T/T-Mobile 3G Modem w/ GPS
//#define NL_SW_HSPAPE          // GSM 3G Modem, EU
//#define NL_SW_LTE_TSVG        // Verizon 4G LTE Modem
//#define NL_SW_LTE_TNAG        // AT&T/T-Mobile 4G LTE Modem
//#define NL_SW_LTE_TEUG        // GSM 4G LTE Modem, EU
//#define NL_SW_LTE_GELS3       // VZW LTE Cat 1 Modem

Next, to Line 73 in main.cpp, and change the DeviceID to the THING NAME you entered into your Freeboard:

main.cpp

/* --CHANGE THIS FOR YOUR SETUP" -- */
#define DeviceID "DweetIODeviceName"  //Freeboard DweetIO unique ID

If applicable, go to Line 77 in main.cpp and change the APN to your specific APN:

main.cpp

/* --CHANGE THIS FOR YORU SETUP (IF APPLICABLE)-- */
#if defined NL_SW_HSPAP || defined NL_SW_HSPAPG || defined NL_SW_HSPAPE || defined NL_SW_LTE_TSVG || defined NL_SW_LTE_TNAG || defined NL_SW_LTE_TEUG || defined NL_SW_LTE_GELS3
    std::string APN = "yourAPNhere";
#endif

Compile and upload to the Nucleo, cycle power to the shield and the sensor data should start to upload to your new Freeboard.

main.cpp

Committer:: kholland
Date:: 2015-01-05
Revision:: 0:3095958bc639
Child:: 2:b57e24a42b6f

File content as of revision 0:3095958bc639:



#include "mbed.h"
#include "LPS331.h"
#include "LIS3DH.h"
#include "LM75B.h"

/* --CHANGE THIS FOR YOUR SETUP" -- */
#define DeviceID "mbedskywire"  //Freeboard DweetIO unique ID

DigitalOut myled(LED1);
DigitalOut skywire_en(PA_6);
DigitalOut skywire_rts(PA_7);

Serial skywire(PA_9,PA_10);
Serial debug_pc(USBTX, USBRX);

I2C i2c(PB_9,PB_8);
char msg[3];

LPS331 pressure(i2c);
LM75B LM75_temp(PB_9,PB_8);
LIS3DH accel(i2c, LIS3DH_V_CHIP_ADDR, LIS3DH_DR_NR_LP_100HZ, LIS3DH_FS_2G);


char str[512];
char str2[512];
float latitude;
float longitude;
int number;

int main()
{
    float axis[3];
    float press;
    float temp;

    
    debug_pc.baud(115200);
    skywire.baud(115200);
    skywire_rts=0;
    myled=0;
    debug_pc.printf("Starting Demo...\n"); 
    debug_pc.printf("Waiting for Skywire to Boot...\n"); 
    //Enable Skywire
    skywire_en=0;
    wait(2);
    skywire_en=1;
    wait(2);
    skywire_en=0;
    
    myled=1;    
    wait(5);
    
    LM75_temp.open(); 
    
    debug_pc.printf("Connecting to Network...\n");
    // get IP address
    skywire.printf("AT#SGACT=1,1\r\n"); 
    wait_ms(500);
    skywire.gets(str, 255);
    skywire.gets(str, 255);
    debug_pc.printf("Skywire says: %s\n", str);
    
    // connect to dweet.io
    skywire.printf("AT#HTTPCFG=1,\"dweet.io\",80,0\r\n");   
    skywire.gets(str, 255);
    skywire.gets(str, 255);
    debug_pc.printf("Skywire says: %s\n", str);    
    
    //get location approximation from cell tower information
    skywire.printf("AT#AGPSSND\r\n");
    skywire.gets(str, 255);
    skywire.gets(str, 255);
    skywire.gets(str, 255);
    skywire.gets(str, 255);
    debug_pc.printf("Skywire says: %s\n", str);
    sscanf(str, "%s %d,%f,%f,", str2, &number, &latitude, &longitude);
    debug_pc.printf("Location: Latt:%f, Long:%f\n", latitude, longitude);
 
    while(1) {
        temp = (float)LM75_temp;
        debug_pc.printf("Temp = %.3f\n", temp);
        press=(float)pressure.value() / 4096;
        debug_pc.printf("Pressure = %.3f\n", press);
        accel.read_data(axis);
        debug_pc.printf("Accel = %.3f, %.3f, %.3f\n", axis[0], axis[1], axis[2]);

        //Report Sensor Data to dweet.io
        skywire.printf("AT#HTTPQRY=1,0,\"/dweet/for/%s?temperature=%.3f&pressure=%.3f&X=%.3f&Y=%.3f&Z=%.3f&Latitude=%f&Longitude=%f\"\r\n", DeviceID, temp, press, axis[0], axis[1], axis[2], latitude, longitude);
        skywire.printf("AT#HTTPRCV=1\r\n");
        wait(5);
        }

}