ST Americas mbed Team / Mbed 2 deprecated MTS_WiFi_Connect_M2X_Example

Sample project to connect to AT&T M2X from the STM32 Nucleo + MTS WiFi shield

Dependencies:   M2XStreamClient SocketModem jsonlite mbed

Fork of STM32_MTS_Wifi_Connect_M2X by AT&T Developer Summit Hackathon 2016

main.cpp@13:d8957cc4c88e, 2014-07-21 (annotated)

Committer:
joe_tijerina
Date:
Mon Jul 21 20:43:56 2014 +0000
Revision:
13:d8957cc4c88e
Parent:
12:676ba8e7bea2
Child:
14:df2fe4b77d83
Cleaned up, program for STM32F11 connects to Multitech Systems Wflyi hotspot, reads Grove Termp Sensor, and reports values up to AT&T M2X.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 0:23c1654d70e4 1 #include "mbed.h"
joe_tijerina 12:676ba8e7bea2 2 #include "M2XStreamClient.h"
sam_grove 0:23c1654d70e4 3 #include "MTSSerial.h"
sam_grove 0:23c1654d70e4 4 #include "Wifi.h"
joe_tijerina 12:676ba8e7bea2 5 #include "include_me.h"
joe_tijerina 12:676ba8e7bea2 6 #include "math.h"
joe_tijerina 12:676ba8e7bea2 7
joe_tijerina 12:676ba8e7bea2 8
sam_grove 0:23c1654d70e4 9 using namespace mts;
sam_grove 0:23c1654d70e4 10
jengbrecht 5:19044863e45c 11 /* This example shows how to do a basic connectivity test using
jengbrecht 5:19044863e45c 12 * the MTS Wifi shield board. You will need to change the network
mfiore 11:a9117a40bde7 13 * SSID and security key. You may need to chage the security type.
jengbrecht 5:19044863e45c 14 */
jengbrecht 5:19044863e45c 15
joe_tijerina 12:676ba8e7bea2 16 using namespace mts;
joe_tijerina 12:676ba8e7bea2 17
joe_tijerina 13:d8957cc4c88e 18 const char key[] = ""; // Replace with your M2X user account master key
joe_tijerina 13:d8957cc4c88e 19 const char feed[] = ""; // Replace with your blueprint feed ID
joe_tijerina 13:d8957cc4c88e 20 const char stream[] = ""; // Replace with your stream name
joe_tijerina 13:d8957cc4c88e 21 char name[] = ""; // Name of current location of datasource
joe_tijerina 12:676ba8e7bea2 22
joe_tijerina 13:d8957cc4c88e 23 double latitude = 30.3748076;
joe_tijerina 13:d8957cc4c88e 24 double longitude = -97.7386896; // You can also read those values from a GPS
joe_tijerina 13:d8957cc4c88e 25 double elevation = 400.00;
joe_tijerina 12:676ba8e7bea2 26
joe_tijerina 12:676ba8e7bea2 27 void on_data_point_found(const char* at, const char* value, int index, void* context) {
joe_tijerina 12:676ba8e7bea2 28 printf("Found a data point, index: %d\r\n", index);
joe_tijerina 12:676ba8e7bea2 29 printf("At: %s Value: %s\r\n", at, value);
joe_tijerina 12:676ba8e7bea2 30 }
joe_tijerina 12:676ba8e7bea2 31
joe_tijerina 12:676ba8e7bea2 32 void on_location_found(const char* name,
joe_tijerina 12:676ba8e7bea2 33 double latitude,
joe_tijerina 12:676ba8e7bea2 34 double longitude,
joe_tijerina 12:676ba8e7bea2 35 double elevation,
joe_tijerina 12:676ba8e7bea2 36 const char* timestamp,
joe_tijerina 12:676ba8e7bea2 37 int index,
joe_tijerina 12:676ba8e7bea2 38 void* context) {
joe_tijerina 12:676ba8e7bea2 39 printf("Found a location, index: %d\r\n", index);
joe_tijerina 12:676ba8e7bea2 40 printf("Name: %s Latitude: %lf Longitude: %lf\r\n", name, latitude, longitude);
joe_tijerina 12:676ba8e7bea2 41 printf("Elevation: %lf Timestamp: %s\r\n", elevation, timestamp);
joe_tijerina 12:676ba8e7bea2 42 }
joe_tijerina 12:676ba8e7bea2 43
joe_tijerina 13:d8957cc4c88e 44
joe_tijerina 13:d8957cc4c88e 45
sam_grove 0:23c1654d70e4 46 int main()
sam_grove 0:23c1654d70e4 47 {
joe_tijerina 12:676ba8e7bea2 48 char amb_temp[6];
joe_tijerina 13:d8957cc4c88e 49 int response;
joe_tijerina 12:676ba8e7bea2 50 int a;
joe_tijerina 13:d8957cc4c88e 51 int adc_scale = 4095; // Scale Factor for the STM32F411's 12-bit ADC
joe_tijerina 13:d8957cc4c88e 52 int B = 3975; // B value from temp sensor datasheet
joe_tijerina 12:676ba8e7bea2 53 float resistance;
joe_tijerina 12:676ba8e7bea2 54 float temperature;
joe_tijerina 12:676ba8e7bea2 55 float temperature_f;
joe_tijerina 12:676ba8e7bea2 56
joe_tijerina 12:676ba8e7bea2 57 DigitalOut myled(D7);
joe_tijerina 12:676ba8e7bea2 58 AnalogIn analogRead(A0);
joe_tijerina 13:d8957cc4c88e 59 //AnalogIn analogLightSensorRead(A1);
joe_tijerina 12:676ba8e7bea2 60
joe_tijerina 12:676ba8e7bea2 61
jengbrecht 5:19044863e45c 62 //Set the network parameters
joe_tijerina 13:d8957cc4c88e 63 std::string ssid = "<your_wifi_ssid>";
joe_tijerina 13:d8957cc4c88e 64 std::string securityKey = "<your_wifi_passphrase>";
mfiore 11:a9117a40bde7 65 Wifi::SecurityType securityType = Wifi::WPA2;
sam_grove 0:23c1654d70e4 66
sam_grove 0:23c1654d70e4 67 //Wait for wifi module to boot up
sam_grove 0:23c1654d70e4 68 for (int i = 10; i >= 0; i = i - 2) {
sam_grove 0:23c1654d70e4 69 wait(2);
sam_grove 0:23c1654d70e4 70 printf("Waiting %d seconds...\n\r", i);
sam_grove 0:23c1654d70e4 71 }
sam_grove 0:23c1654d70e4 72
sam_grove 0:23c1654d70e4 73 //Setup serial interface to WiFi module
mfiore 11:a9117a40bde7 74 MTSSerial* serial = new MTSSerial(D8, D2, 256, 256);
sam_grove 0:23c1654d70e4 75 serial->baud(9600);
sam_grove 0:23c1654d70e4 76
joe_tijerina 12:676ba8e7bea2 77 Transport::setTransport(Transport::WIFI);
joe_tijerina 12:676ba8e7bea2 78
sam_grove 0:23c1654d70e4 79 //Setup Wifi class
sam_grove 0:23c1654d70e4 80 Wifi* wifi = Wifi::getInstance();
sam_grove 0:23c1654d70e4 81 printf("Init: %s\n\r", wifi->init(serial) ? "SUCCESS" : "FAILURE");
sam_grove 0:23c1654d70e4 82
sam_grove 0:23c1654d70e4 83 //Setup and check connection
sam_grove 0:23c1654d70e4 84 printf("Set Network: %s\n\r", getCodeNames(wifi->setNetwork(ssid, securityType, securityKey)).c_str());
sam_grove 0:23c1654d70e4 85 printf("Set DHCP: %s\n\r", getCodeNames(wifi->setDeviceIP("DHCP")).c_str());
mfiore 8:fa93a2d07116 86 while (! wifi->connect()) {
mfiore 8:fa93a2d07116 87 printf("Connect: Failure\r\n");
mfiore 8:fa93a2d07116 88 wait(1);
mfiore 8:fa93a2d07116 89 }
mfiore 8:fa93a2d07116 90 printf("Connect: Success\r\n");
sam_grove 0:23c1654d70e4 91 printf("Is Connected: %s\n\r", wifi->isConnected() ? "True" : "False");
mfiore 6:7c2bdcf9d302 92
joe_tijerina 12:676ba8e7bea2 93 printf("Ping Server: %s\n\r", wifi->ping("8.8.8.8") ? "Success" : "Failed");
joe_tijerina 12:676ba8e7bea2 94 wait(1);
joe_tijerina 13:d8957cc4c88e 95
joe_tijerina 12:676ba8e7bea2 96
joe_tijerina 12:676ba8e7bea2 97 // Initialize the M2X client
joe_tijerina 12:676ba8e7bea2 98 Client client;
joe_tijerina 12:676ba8e7bea2 99 M2XStreamClient m2xClient(&client, key);
joe_tijerina 13:d8957cc4c88e 100
joe_tijerina 13:d8957cc4c88e 101 // update location
joe_tijerina 13:d8957cc4c88e 102 response = m2xClient.updateLocation(feed, name, latitude, longitude, elevation);
joe_tijerina 13:d8957cc4c88e 103 printf("updateLocation response code: %d\r\n", response);
joe_tijerina 13:d8957cc4c88e 104 if (response == -1) while (true) ;
joe_tijerina 12:676ba8e7bea2 105
joe_tijerina 13:d8957cc4c88e 106 // read location
joe_tijerina 13:d8957cc4c88e 107 response = m2xClient.readLocation(feed, on_location_found, NULL);
joe_tijerina 13:d8957cc4c88e 108 printf("readLocation response code: %d\r\n", response);
joe_tijerina 13:d8957cc4c88e 109 if (response == -1) while (true) ;
joe_tijerina 13:d8957cc4c88e 110
joe_tijerina 12:676ba8e7bea2 111 while(1)
joe_tijerina 12:676ba8e7bea2 112 {
joe_tijerina 13:d8957cc4c88e 113 myled = 1; // LED is ON
joe_tijerina 12:676ba8e7bea2 114 a = analogRead.read_u16();
joe_tijerina 12:676ba8e7bea2 115
joe_tijerina 12:676ba8e7bea2 116 resistance = (float)(adc_scale-a)*10000/a; //get the resistance of the sensor;
joe_tijerina 13:d8957cc4c88e 117 temperature = 1/(log(resistance/10000)/B+1/298.15)-273.15; //convert to temperature via datasheet ;
joe_tijerina 12:676ba8e7bea2 118 temperature_f = (1.8 * temperature) + 32.0;
joe_tijerina 13:d8957cc4c88e 119 sprintf(amb_temp, "%0.2f", temperature_f);
joe_tijerina 13:d8957cc4c88e 120
joe_tijerina 12:676ba8e7bea2 121 printf("Temp Sensor Analog Reading is 0x%X = %d ", a, a);
joe_tijerina 13:d8957cc4c88e 122 printf("Current Temperature: %f C %f F \n\r", temperature, temperature_f);
joe_tijerina 12:676ba8e7bea2 123
joe_tijerina 13:d8957cc4c88e 124 response = m2xClient.post(feed, stream, amb_temp);
joe_tijerina 12:676ba8e7bea2 125 printf("Post response code: %d\r\n", response);
joe_tijerina 12:676ba8e7bea2 126 if (response == -1) while (true) ;
joe_tijerina 12:676ba8e7bea2 127
joe_tijerina 13:d8957cc4c88e 128 // read temperature
joe_tijerina 13:d8957cc4c88e 129 //response = m2xClient.fetchValues(feed, stream, on_data_point_found, NULL);
joe_tijerina 13:d8957cc4c88e 130 //printf("Fetch response code: %d\r\n", response);
joe_tijerina 13:d8957cc4c88e 131 //if (response == -1) while (true) ;
joe_tijerina 13:d8957cc4c88e 132
joe_tijerina 13:d8957cc4c88e 133 myled = 0; // LED is OFF
joe_tijerina 13:d8957cc4c88e 134 //delay(60000);
joe_tijerina 13:d8957cc4c88e 135 delay(5000);
joe_tijerina 13:d8957cc4c88e 136 }
sam_grove 0:23c1654d70e4 137 }